/* GStreamer
 * Copyright (C) <2004> David Schleef <david at schleef dot org>
 * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
 *
 * gstvalue.c: Unit tests for GstValue
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */


#include <gst/check/gstcheck.h>


GST_START_TEST (test_deserialize_buffer)
{
  GValue value = { 0 };
  GstBuffer *buf;

  g_value_init (&value, GST_TYPE_BUFFER);
  fail_unless (gst_value_deserialize (&value, "1234567890abcdef"));
  /* does not increase the refcount */
  buf = GST_BUFFER (g_value_get_boxed (&value));
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* does not increase the refcount */
  buf = gst_value_get_buffer (&value);
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* cleanup */
  g_value_unset (&value);
}

GST_END_TEST;

/* create and serialize a buffer */
GST_START_TEST (test_serialize_buffer)
{
  GValue value = { 0 };
  GstBuffer *buf;
  gchar *serialized;
  static const char *buf_data = "1234567890abcdef";
  gint len;

  len = strlen (buf_data);
  buf = gst_buffer_new_and_alloc (len);

  gst_buffer_fill (buf, 0, buf_data, len);

  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* and assign buffer to mini object */
  g_value_init (&value, GST_TYPE_BUFFER);
  gst_value_take_buffer (&value, buf);
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* now serialize it */
  serialized = gst_value_serialize (&value);
  GST_DEBUG ("serialized buffer to %s", serialized);
  fail_unless (serialized != NULL);

  /* refcount should not change */
  ASSERT_MINI_OBJECT_REFCOUNT (buf, "buffer", 1);

  /* cleanup */
  g_free (serialized);
  g_value_unset (&value);

  /* take NULL buffer */
  g_value_init (&value, GST_TYPE_BUFFER);
  GST_DEBUG ("setting NULL buffer");
  gst_value_take_buffer (&value, NULL);

  /* now serialize it */
  GST_DEBUG ("serializing NULL buffer");
  serialized = gst_value_serialize (&value);
  /* should return NULL */
  fail_unless (serialized == NULL);

  g_free (serialized);
  g_value_unset (&value);
}

GST_END_TEST;

GST_START_TEST (test_deserialize_gint64)
{
  GValue value = { 0 };
  const char *strings[] = {
    "12345678901",
    "-12345678901",
    "1152921504606846976",
    "-1152921504606846976",
  };
  gint64 results[] = {
    12345678901LL,
    -12345678901LL,
    1152921504606846976LL,
    -1152921504606846976LL,
  };
  int i;

  g_value_init (&value, G_TYPE_INT64);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_int64 (&value) == results[i],
        "resulting value is %" G_GINT64_FORMAT ", not %" G_GINT64_FORMAT
        ", for string %s (%d)", g_value_get_int64 (&value),
        results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_guint64)
{
  GValue value = { 0 };
  const char *strings[] = {
    "0xffffffffffffffff",
    "9223372036854775810",
    "-9223372036854775810",
    "-1",
    "1",
    "-0",
  };
  guint64 results[] = {
    0xffffffffffffffffULL,
    9223372036854775810ULL,
    9223372036854775806ULL,
    (guint64) - 1,
    1,
    0,
  };
  int i;

  g_value_init (&value, G_TYPE_UINT64);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_uint64 (&value) == results[i],
        "resulting value is %" G_GUINT64_FORMAT ", not %" G_GUINT64_FORMAT
        ", for string %s (%d)", g_value_get_uint64 (&value),
        results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_guchar)
{
  GValue value = { 0 };
  const char *strings[] = {
    "0xff",
    "255",
    "-1",
    "1",
    "-0",
  };
  guchar results[] = {
    0xff,
    255,
    (guchar) - 1,
    1,
    0,
  };
  int i;

  g_value_init (&value, G_TYPE_UCHAR);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_uchar (&value) == results[i],
        "resulting value is %u not %u, for string %s (%d)",
        g_value_get_uchar (&value), results[i], strings[i], i);
  }

  /* test serialisation as well while we're at it */
  {
    gchar *str;
    GValue value = { 0 };
    g_value_init (&value, G_TYPE_UCHAR);

    g_value_set_uchar (&value, 255);
    str = gst_value_serialize (&value);

    fail_unless_equals_string (str, "255");
    g_free (str);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_gstfraction)
{
  GValue value = { 0 };
  const char *strings[] = {
    "4/5",
    "-8/9"
  };
  gint64 result_numers[] = {
    4,
    -8
  };
  gint64 result_denoms[] = {
    5,
    9
  };

  int i;

  g_value_init (&value, GST_TYPE_FRACTION);
  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (gst_value_get_fraction_numerator (&value) == result_numers[i],
        "resulting numerator value is %d, not %d"
        ", for string %s (%d)", gst_value_get_fraction_numerator (&value),
        result_numers[i], strings[i], i);
    fail_unless (gst_value_get_fraction_denominator (&value) ==
        result_denoms[i], "resulting denominator value is %d, not %d"
        ", for string %s (%d)", gst_value_get_fraction_denominator (&value),
        result_denoms[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_gint)
{
  GValue value = { 0 };
  const char *strings[] = {
    "123456",
    "-123456",
    "0xFFFF",
    "0x0000FFFF",
    /* a positive long long, serializing to highest possible positive sint */
    "0x7FFFFFFF",
    /* a positive long long, serializing to lowest possible negative sint */
    "0x80000000",
    /* a negative long long, serializing to lowest possible negative sint */
    "0xFFFFFFFF80000000",
    "0xFF000000",
    /* a positive long long serializing to -1 */
    "0xFFFFFFFF",
    "0xFFFFFFFF",
    /* a negative long long serializing to -1 */
    "0xFFFFFFFFFFFFFFFF",
    "0xFFFFFFFFFFFFFFFF",
    "0xEFFFFFFF",
  };
  /* some casts need to be explicit because of unsigned -> signed */
  gint results[] = {
    123456,
    -123456,
    0xFFFF,
    0xFFFF,
    0x7FFFFFFF,
    (gint) 0x80000000,
    (gint) 0x80000000,
    (gint) 0xFF000000,
    -1,
    (gint) 0xFFFFFFFF,
    -1,
    (gint) 0xFFFFFFFFFFFFFFFFLL,
    (gint) 0xEFFFFFFF,
  };
  int i;

  g_value_init (&value, G_TYPE_INT);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_int (&value) == results[i],
        "resulting value is %d, not %d, for string %s (%d)",
        g_value_get_int (&value), results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_gint_failures)
{
  GValue value = { 0 };
  const char *strings[] = {
    "-",                        /* not a complete number */
    "- TEST",                   /* not a complete number */
    "0x0000000100000000",       /* lowest long long that cannot fit in 32 bits */
    "0xF000000000000000",
    "0xFFFFFFF000000000",
    "0xFFFFFFFF00000000",
    "0x10000000000000000",      /* first number too long to fit into a long long */
    /* invent a new processor first before trying to make this one pass */
    "0x10000000000000000000000000000000000000000000",
  };
  int i;

  g_value_init (&value, G_TYPE_INT);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_if (gst_value_deserialize (&value, strings[i]),
        "deserialized %s (%d), while it should have failed", strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_guint)
{
  GValue value = { 0 };
  const char *strings[] = {
    "123456",
    "-123456",
    "0xFFFF",
    "0x0000FFFF",
    /* a positive long long, serializing to highest possible positive sint */
    "0x7FFFFFFF",
    /* a positive long long, serializing to lowest possible negative sint */
    "0x80000000",
    "2147483648",
    /* a negative long long, serializing to lowest possible negative sint */
    "0xFFFFFFFF80000000",
    /* a value typically used for rgb masks */
    "0xFF000000",
    /* a positive long long serializing to highest possible positive uint */
    "0xFFFFFFFF",
    "0xFFFFFFFF",
    /* a negative long long serializing to highest possible positive uint */
    "0xFFFFFFFFFFFFFFFF",
    "0xEFFFFFFF",
  };
  guint results[] = {
    123456,
    (guint) - 123456,
    0xFFFF,
    0xFFFF,
    0x7FFFFFFF,
    0x80000000,
    (guint) 2147483648LL,
    0x80000000,
    0xFF000000,
    0xFFFFFFFF,
    G_MAXUINT,
    (guint) 0xFFFFFFFFFFFFFFFFLL,
    0xEFFFFFFF,
  };
  int i;

  g_value_init (&value, G_TYPE_UINT);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_uint (&value) == results[i],
        "resulting value is %d, not %d, for string %s (%d)",
        g_value_get_uint (&value), results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_guint_failures)
{
  GValue value = { 0 };
  const char *strings[] = {
    "-",                        /* not a complete number */
    "- TEST",                   /* not a complete number */
#if 0
/* FIXME: these values should not be deserializable, since they overflow
 * the target format */
    "0x0000000100000000",       /* lowest long long that cannot fit in 32 bits */
    "0xF000000000000000",
    "0xFFFFFFF000000000",
    "0xFFFFFFFF00000000",
    "0x10000000000000000",      /* first number too long to fit into a long long */
    /* invent a new processor first before trying to make this one pass */
    "0x10000000000000000000000000000000000000000000",
#endif
  };
  int i;

  g_value_init (&value, G_TYPE_UINT);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_if (gst_value_deserialize (&value, strings[i]),
        "deserialized %s (%d), while it should have failed", strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_serialize_flags)
{
  GValue value = { 0 };
  gchar *string;
  GstSeekFlags flags[] = {
    0,
    GST_SEEK_FLAG_NONE,
    GST_SEEK_FLAG_FLUSH,
    GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
  };
  const char *results[] = {
    "GST_SEEK_FLAG_NONE",
    "GST_SEEK_FLAG_NONE",
    "GST_SEEK_FLAG_FLUSH",
    "GST_SEEK_FLAG_FLUSH+GST_SEEK_FLAG_ACCURATE",
  };
  int i;

  g_value_init (&value, GST_TYPE_SEEK_FLAGS);

  for (i = 0; i < G_N_ELEMENTS (flags); ++i) {
    g_value_set_flags (&value, flags[i]);
    string = gst_value_serialize (&value);
    fail_if (string == NULL, "could not serialize flags %d", i);
    fail_unless (strcmp (string, results[i]) == 0,
        "resulting value is %s, not %s, for flags #%d", string, results[i], i);
    g_free (string);
  }
}

GST_END_TEST;


GST_START_TEST (test_deserialize_flags)
{
  GValue value = { 0 };
  const char *strings[] = {
    "",
    "0",
    "GST_SEEK_FLAG_NONE",
    "GST_SEEK_FLAG_FLUSH",
    "GST_SEEK_FLAG_FLUSH+GST_SEEK_FLAG_ACCURATE",
  };
  GstSeekFlags results[] = {
    GST_SEEK_FLAG_NONE,
    GST_SEEK_FLAG_NONE,
    GST_SEEK_FLAG_NONE,
    GST_SEEK_FLAG_FLUSH,
    GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
  };
  int i;

  g_value_init (&value, GST_TYPE_SEEK_FLAGS);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (g_value_get_flags (&value) == results[i],
        "resulting value is %d, not %d, for string %s (%d)",
        g_value_get_flags (&value), results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_bitmask)
{
  GValue value = { 0 };
  const char *strings[] = {
    "0xffffffffffffffff",
    "0x1234567890ABCDEF",
  };
  guint64 results[] = {
    0xffffffffffffffffULL,
    0x1234567890ABCDEFULL,
  };
  int i;

  g_value_init (&value, GST_TYPE_BITMASK);

  for (i = 0; i < G_N_ELEMENTS (strings); ++i) {
    fail_unless (gst_value_deserialize (&value, strings[i]),
        "could not deserialize %s (%d)", strings[i], i);
    fail_unless (gst_value_get_bitmask (&value) == results[i],
        "resulting value is 0x%016" G_GINT64_MODIFIER "x, not 0x%016"
        G_GINT64_MODIFIER "x, for string %s (%d)",
        gst_value_get_bitmask (&value), results[i], strings[i], i);
  }
}

GST_END_TEST;

GST_START_TEST (test_string)
{
  const gchar *try[] = {
    "Dude",
    "Hi, I'm a string",
    "tüüüt!",
    "\"\""                      /* Empty string */
  };
  gchar *tmp;
  GValue v = { 0, };
  guint i;

  g_value_init (&v, G_TYPE_STRING);
  for (i = 0; i < G_N_ELEMENTS (try); i++) {
    g_value_set_string (&v, try[i]);
    tmp = gst_value_serialize (&v);
    fail_if (tmp == NULL, "couldn't serialize: %s\n", try[i]);
    fail_unless (gst_value_deserialize (&v, tmp),
        "couldn't deserialize: %s\n", tmp);
    g_free (tmp);

    fail_unless (g_str_equal (g_value_get_string (&v), try[i]),
        "\nserialized  : %s\ndeserialized: %s", try[i],
        g_value_get_string (&v));
  }
  /* NULL strings should not be serializable */
  g_value_set_string (&v, NULL);
  fail_unless (gst_value_serialize (&v) == NULL);
  g_value_unset (&v);
}

GST_END_TEST;

GST_START_TEST (test_deserialize_string)
{
  struct
  {
    const gchar *from;
    const gchar *to;
  } tests[] = {
    {
    "", ""},                    /* empty strings */
    {
    "\"\"", ""},                /* quoted empty string -> empty string */
        /* Expected FAILURES: */
    {
    "\"", NULL},                /* missing second quote */
    {
    "\"Hello\\ World", NULL},   /* missing second quote */
    {
    "\"\\", NULL},              /* quote at end, missing second quote */
    {
    "\"\\0", NULL},             /* missing second quote */
    {
    "\"\\0\"", NULL},           /* unfinished escaped character */
    {
    "\" \"", NULL},             /* spaces must be escaped */
#if 0
        /* FIXME 0.9: this test should fail, but it doesn't */
    {
    "tüüt", NULL}             /* string with special chars must be escaped */
#endif
  };
  guint i;
  GValue v = { 0, };

  g_value_init (&v, G_TYPE_STRING);
  for (i = 0; i < G_N_ELEMENTS (tests); i++) {
    if (gst_value_deserialize (&v, tests[i].from)) {
      fail_if (tests[i].to == NULL,
          "I got %s instead of a failure", g_value_get_string (&v));
      fail_unless (g_str_equal (g_value_get_string (&v), tests[i].to),
          "\nwanted: %s\ngot    : %s", tests[i].to, g_value_get_string (&v));
    } else {
      fail_if (tests[i].to != NULL, "failed, but wanted: %s", tests[i].to);
    }
  }
  g_value_unset (&v);
}

GST_END_TEST;

GST_START_TEST (test_value_compare)
{
  GValue value1 = { 0 };
  GValue value2 = { 0 };
  GValue tmp = { 0 };

  g_value_init (&value1, G_TYPE_INT);
  g_value_set_int (&value1, 10);
  g_value_init (&value2, G_TYPE_INT);
  g_value_set_int (&value2, 20);
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
  fail_unless (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
  g_value_unset (&value1);
  g_value_unset (&value2);

  g_value_init (&value1, G_TYPE_DOUBLE);
  g_value_set_double (&value1, 10);
  g_value_init (&value2, G_TYPE_DOUBLE);
  g_value_set_double (&value2, 20);
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
  fail_unless (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
  g_value_unset (&value1);
  g_value_unset (&value2);

  g_value_init (&value1, G_TYPE_STRING);
  g_value_set_string (&value1, "a");
  g_value_init (&value2, G_TYPE_STRING);
  g_value_set_string (&value2, "b");
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
  fail_unless (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
  /* Test some NULL string comparisons */
  g_value_set_string (&value2, NULL);
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_UNORDERED);
  fail_unless (gst_value_compare (&value2, &value1) == GST_VALUE_UNORDERED);
  fail_unless (gst_value_compare (&value2, &value2) == GST_VALUE_EQUAL);

  g_value_unset (&value1);
  g_value_unset (&value2);

  /* comparing 2/3 with 3/4 */
  g_value_init (&value1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&value1, 2, 3);
  g_value_init (&value2, GST_TYPE_FRACTION);
  gst_value_set_fraction (&value2, 3, 4);
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
  fail_unless (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
  g_value_unset (&value1);
  g_value_unset (&value2);

  /* comparing -4/5 with 2/-3 */
  g_value_init (&value1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&value1, -4, 5);
  g_value_init (&value2, GST_TYPE_FRACTION);
  gst_value_set_fraction (&value2, 2, -3);
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
  fail_unless (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
  g_value_unset (&value1);
  g_value_unset (&value2);

  /* comparing 10/100 with 200/2000 */
  g_value_init (&value1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&value1, 10, 100);
  g_value_init (&value2, GST_TYPE_FRACTION);
  gst_value_set_fraction (&value2, 200, 2000);
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_EQUAL);
  g_value_unset (&value1);
  g_value_unset (&value2);

  /* comparing -4/5 with 2/-3 */
  g_value_init (&value1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&value1, -4, 5);
  g_value_init (&value2, GST_TYPE_FRACTION);
  gst_value_set_fraction (&value2, 2, -3);
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
  fail_unless (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
  g_value_unset (&value1);
  g_value_unset (&value2);

  /* Check that lists are equal regardless of order */
  g_value_init (&value1, GST_TYPE_LIST);
  g_value_init (&tmp, G_TYPE_INT);
  g_value_set_int (&tmp, 1);
  gst_value_list_append_value (&value1, &tmp);
  g_value_set_int (&tmp, 2);
  gst_value_list_append_value (&value1, &tmp);
  g_value_set_int (&tmp, 3);
  gst_value_list_append_value (&value1, &tmp);
  g_value_set_int (&tmp, 4);
  gst_value_list_append_value (&value1, &tmp);

  g_value_init (&value2, GST_TYPE_LIST);
  g_value_set_int (&tmp, 4);
  gst_value_list_append_value (&value2, &tmp);
  g_value_set_int (&tmp, 3);
  gst_value_list_append_value (&value2, &tmp);
  g_value_set_int (&tmp, 2);
  gst_value_list_append_value (&value2, &tmp);
  g_value_set_int (&tmp, 1);
  gst_value_list_append_value (&value2, &tmp);

  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_EQUAL,
      "value lists with different order were not equal when they should be");
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL,
      "value lists with same order were not equal when they should be");
  fail_unless (gst_value_compare (&value2, &value2) == GST_VALUE_EQUAL,
      "value lists with same order were not equal when they should be");

  /* Carry over the lists to this next check: */
  /* Lists with different sizes are unequal */
  g_value_set_int (&tmp, 1);
  gst_value_list_append_value (&value2, &tmp);

  fail_if (gst_value_compare (&value1, &value2) == GST_VALUE_EQUAL,
      "Value lists with different size were equal when they shouldn't be");

  /* Carry over the lists to this next check: */
  /* Lists with same size but list1 contains one more element not in list2 */
  g_value_set_int (&tmp, 5);
  gst_value_list_append_value (&value1, &tmp);

  fail_if (gst_value_compare (&value1, &value2) == GST_VALUE_EQUAL,
      "Value lists with different elements were equal when they shouldn't be");
  fail_if (gst_value_compare (&value2, &value1) == GST_VALUE_EQUAL,
      "Value lists with different elements were equal when they shouldn't be");

  g_value_unset (&value1);
  g_value_unset (&value2);
  g_value_unset (&tmp);

  /* Arrays are only equal when in the same order */
  g_value_init (&value1, GST_TYPE_ARRAY);
  g_value_init (&tmp, G_TYPE_INT);
  g_value_set_int (&tmp, 1);
  gst_value_array_append_value (&value1, &tmp);
  g_value_set_int (&tmp, 2);
  gst_value_array_append_value (&value1, &tmp);
  g_value_set_int (&tmp, 3);
  gst_value_array_append_value (&value1, &tmp);
  g_value_set_int (&tmp, 4);
  gst_value_array_append_value (&value1, &tmp);

  g_value_init (&value2, GST_TYPE_ARRAY);
  g_value_set_int (&tmp, 4);
  gst_value_array_append_value (&value2, &tmp);
  g_value_set_int (&tmp, 3);
  gst_value_array_append_value (&value2, &tmp);
  g_value_set_int (&tmp, 2);
  gst_value_array_append_value (&value2, &tmp);
  g_value_set_int (&tmp, 1);
  gst_value_array_append_value (&value2, &tmp);

  fail_if (gst_value_compare (&value1, &value2) == GST_VALUE_EQUAL,
      "Value arrays with different order were equal when they shouldn't be");
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL,
      "Identical value arrays were not equal when they should be");
  fail_unless (gst_value_compare (&value2, &value2) == GST_VALUE_EQUAL,
      "Identical value arrays were not equal when they should be");

  /* Carry over the arrays to this next check: */
  /* Arrays with different sizes are unequal */
  g_value_unset (&value2);
  g_value_init (&value2, GST_TYPE_ARRAY);
  g_value_copy (&value1, &value2);

  g_value_set_int (&tmp, 1);
  gst_value_array_append_value (&value2, &tmp);

  fail_if (gst_value_compare (&value1, &value2) == GST_VALUE_EQUAL,
      "Value arrays with different size were equal when they shouldn't be");
  /* order should not matter */
  fail_if (gst_value_compare (&value2, &value1) == GST_VALUE_EQUAL,
      "Value arrays with different size were equal when they shouldn't be");

  g_value_unset (&value1);
  g_value_unset (&value2);
  g_value_unset (&tmp);

  g_value_init (&value1, GST_TYPE_BITMASK);
  gst_value_set_bitmask (&value1, 0x123);
  g_value_init (&value2, GST_TYPE_BITMASK);
  gst_value_set_bitmask (&value2, 0x321);
  fail_unless (gst_value_compare (&value1, &value2) == GST_VALUE_UNORDERED);
  fail_unless (gst_value_compare (&value2, &value1) == GST_VALUE_UNORDERED);
  fail_unless (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
  g_value_unset (&value1);
  g_value_unset (&value2);
}

GST_END_TEST;

GST_START_TEST (test_value_intersect)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  GValue item = { 0 };
  gboolean ret;

  g_value_init (&src1, G_TYPE_INT);
  g_value_set_int (&src1, 10);
  g_value_init (&src2, G_TYPE_INT);
  g_value_set_int (&src2, 20);
  ret = gst_value_intersect (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  g_value_init (&src1, G_TYPE_STRING);
  g_value_set_static_string (&src1, "YUY2");
  g_value_init (&src2, GST_TYPE_LIST);
  g_value_init (&item, G_TYPE_STRING);
  g_value_set_static_string (&item, "YUY2");
  gst_value_list_append_value (&src2, &item);
  g_value_set_static_string (&item, "I420");
  gst_value_list_append_value (&src2, &item);
  g_value_set_static_string (&item, "ABCD");
  gst_value_list_append_value (&src2, &item);

  fail_unless (gst_value_intersect (&dest, &src1, &src2));
  fail_unless (G_VALUE_HOLDS_STRING (&dest));
  fail_unless (g_str_equal (g_value_get_string (&dest), "YUY2"));

  g_value_unset (&src1);
  g_value_unset (&src2);
  g_value_unset (&dest);
}

GST_END_TEST;


GST_START_TEST (test_value_subtract_int)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  const GValue *tmp;
  gboolean ret;

  /*  int <-> int
   */
  g_value_init (&src1, G_TYPE_INT);
  g_value_set_int (&src1, 10);
  g_value_init (&src2, G_TYPE_INT);
  g_value_set_int (&src2, 20);
  /* subtract as in sets, result is 10 */
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* same values, yields empty set */
  ret = gst_value_subtract (&dest, &src1, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  int <-> int_range
   */

  /* would yield an empty set */
  g_value_init (&src1, G_TYPE_INT);
  g_value_set_int (&src1, 10);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 0, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should create a list of two ranges. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 0);
  fail_unless (gst_value_get_int_range_max (tmp) == 9);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 11);
  fail_unless (gst_value_get_int_range_max (tmp) == 20);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 1, empty set */
  g_value_init (&src1, G_TYPE_INT);
  g_value_set_int (&src1, 10);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 10, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should create a new range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 11);
  fail_unless (gst_value_get_int_range_max (&dest) == 20);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 2, empty set */
  g_value_init (&src1, G_TYPE_INT);
  g_value_set_int (&src1, 20);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 10, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should create a new range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 10);
  fail_unless (gst_value_get_int_range_max (&dest) == 19);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* case 3, valid set */
  g_value_init (&src1, G_TYPE_INT);
  g_value_set_int (&src1, 0);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 10, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (G_VALUE_HOLDS_INT (&dest) == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* and the other way around, should keep the range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 10);
  fail_unless (gst_value_get_int_range_max (&dest) == 20);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  int_range <-> int_range
   */

  /* same range, empty set */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 10, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* non overlapping ranges */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 30, 40);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 10);
  fail_unless (gst_value_get_int_range_max (&dest) == 20);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 30);
  fail_unless (gst_value_get_int_range_max (&dest) == 40);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* completely overlapping ranges */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 10, 30);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 21);
  fail_unless (gst_value_get_int_range_max (&dest) == 30);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* partially overlapping ranges */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 15, 30);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 10);
  fail_unless (gst_value_get_int_range_max (&dest) == 14);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int_range_min (&dest) == 21);
  fail_unless (gst_value_get_int_range_max (&dest) == 30);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole { int_range, int_range } */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 15, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 10);
  fail_unless (gst_value_get_int_range_max (tmp) == 14);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 21);
  fail_unless (gst_value_get_int_range_max (tmp) == 30);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole, { int, int } */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 11, 29);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (G_VALUE_HOLDS_INT (tmp) == TRUE);
  fail_unless (g_value_get_int (tmp) == 10);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (G_VALUE_HOLDS_INT (tmp) == TRUE);
  fail_unless (g_value_get_int (tmp) == 30);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole, { int, int_range } */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 11, 28);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (G_VALUE_HOLDS_INT (tmp) == TRUE);
  fail_unless (g_value_get_int (tmp) == 10);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 29);
  fail_unless (gst_value_get_int_range_max (tmp) == 30);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole, { int_range, int } */
  g_value_init (&src1, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT_RANGE);
  gst_value_set_int_range (&src2, 12, 29);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int_range_min (tmp) == 10);
  fail_unless (gst_value_get_int_range_max (tmp) == 11);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (G_VALUE_HOLDS_INT (tmp) == TRUE);
  fail_unless (g_value_get_int (tmp) == 30);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);
}

GST_END_TEST;

GST_START_TEST (test_value_subtract_int64)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  const GValue *tmp;
  gboolean ret;

  /*  int64 <-> int64
   */
  g_value_init (&src1, G_TYPE_INT64);
  g_value_set_int64 (&src1, 10);
  g_value_init (&src2, G_TYPE_INT64);
  g_value_set_int64 (&src2, 20);
  /* subtract as in sets, result is 10 */
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* same values, yields empty set */
  ret = gst_value_subtract (&dest, &src1, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  int64 <-> int64_range
   */

  /* would yield an empty set */
  g_value_init (&src1, G_TYPE_INT64);
  g_value_set_int64 (&src1, 10);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 0, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should create a list of two ranges. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int64_range_min (tmp) == 0);
  fail_unless (gst_value_get_int64_range_max (tmp) == 9);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int64_range_min (tmp) == 11);
  fail_unless (gst_value_get_int64_range_max (tmp) == 20);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 1, empty set */
  g_value_init (&src1, G_TYPE_INT64);
  g_value_set_int64 (&src1, 10);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 10, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should create a new range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int64_range_min (&dest) == 11);
  fail_unless (gst_value_get_int64_range_max (&dest) == 20);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 2, empty set */
  g_value_init (&src1, G_TYPE_INT64);
  g_value_set_int64 (&src1, 20);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 10, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should create a new range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int64_range_min (&dest) == 10);
  fail_unless (gst_value_get_int64_range_max (&dest) == 19);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* case 3, valid set */
  g_value_init (&src1, G_TYPE_INT64);
  g_value_set_int64 (&src1, 0);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 10, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (G_VALUE_HOLDS_INT64 (&dest) == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* and the other way around, should keep the range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int64_range_min (&dest) == 10);
  fail_unless (gst_value_get_int64_range_max (&dest) == 20);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  int64_range <-> int64_range
   */

  /* same range, empty set */
  g_value_init (&src1, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 10, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* non overlapping ranges */
  g_value_init (&src1, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 30, 40);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int64_range_min (&dest) == 10);
  fail_unless (gst_value_get_int64_range_max (&dest) == 20);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int64_range_min (&dest) == 30);
  fail_unless (gst_value_get_int64_range_max (&dest) == 40);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* completely overlapping ranges */
  g_value_init (&src1, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 10, 30);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int64_range_min (&dest) == 21);
  fail_unless (gst_value_get_int64_range_max (&dest) == 30);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* partially overlapping ranges */
  g_value_init (&src1, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src1, 10, 20);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 15, 30);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int64_range_min (&dest) == 10);
  fail_unless (gst_value_get_int64_range_max (&dest) == 14);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_int64_range_min (&dest) == 21);
  fail_unless (gst_value_get_int64_range_max (&dest) == 30);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole { int64_range, int64_range } */
  g_value_init (&src1, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 15, 20);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int64_range_min (tmp) == 10);
  fail_unless (gst_value_get_int64_range_max (tmp) == 14);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int64_range_min (tmp) == 21);
  fail_unless (gst_value_get_int64_range_max (tmp) == 30);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole, { int64, int64 } */
  g_value_init (&src1, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 11, 29);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (G_VALUE_HOLDS_INT64 (tmp) == TRUE);
  fail_unless (g_value_get_int64 (tmp) == 10);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (G_VALUE_HOLDS_INT64 (tmp) == TRUE);
  fail_unless (g_value_get_int64 (tmp) == 30);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole, { int64, int64_range } */
  g_value_init (&src1, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 11, 28);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (G_VALUE_HOLDS_INT64 (tmp) == TRUE);
  fail_unless (g_value_get_int64 (tmp) == 10);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int64_range_min (tmp) == 29);
  fail_unless (gst_value_get_int64_range_max (tmp) == 30);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole, { int64_range, int64 } */
  g_value_init (&src1, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src1, 10, 30);
  g_value_init (&src2, GST_TYPE_INT64_RANGE);
  gst_value_set_int64_range (&src2, 12, 29);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_int64_range_min (tmp) == 10);
  fail_unless (gst_value_get_int64_range_max (tmp) == 11);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (G_VALUE_HOLDS_INT64 (tmp) == TRUE);
  fail_unless (g_value_get_int64 (tmp) == 30);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);
}

GST_END_TEST;

GST_START_TEST (test_value_subtract_double)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  const GValue *tmp;
  gboolean ret;

  /*  double <-> double
   */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 10.0);
  g_value_init (&src2, G_TYPE_DOUBLE);
  g_value_set_double (&src2, 20.0);
  /* subtract as in sets, result is 10 */
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* same values, yields empty set */
  ret = gst_value_subtract (&dest, &src1, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  double <-> double_range
   */

  /* would yield an empty set */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 10.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 0.0, 20.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, we cannot create open ranges
   * so the result is the range again */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 0.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 1, empty set */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 10.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 20.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should keep same range as
   * we don't have open ranges. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 2, empty set */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 20.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should keep same range as
   * we don't have open ranges. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* case 3, valid set */
  g_value_init (&src1, G_TYPE_DOUBLE);
  g_value_set_double (&src1, 0.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 20.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (G_VALUE_HOLDS_DOUBLE (&dest) == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* and the other way around, should keep the range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  double_range <-> double_range
   */

  /* same range, empty set */
  g_value_init (&src1, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 20.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* non overlapping ranges */
  g_value_init (&src1, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 30.0, 40.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 20.0);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 30.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 40.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* completely overlapping ranges */
  g_value_init (&src1, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 10.0, 30.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 20.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 30.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* partially overlapping ranges */
  g_value_init (&src1, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 20.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 15.0, 30.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 10.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 15.0);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (&dest) == TRUE);
  fail_unless (gst_value_get_double_range_min (&dest) == 20.0);
  fail_unless (gst_value_get_double_range_max (&dest) == 30.0);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole { double_range, double_range } */
  g_value_init (&src1, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src1, 10.0, 30.0);
  g_value_init (&src2, GST_TYPE_DOUBLE_RANGE);
  gst_value_set_double_range (&src2, 15.0, 20.0);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_double_range_min (tmp) == 10.0);
  fail_unless (gst_value_get_double_range_max (tmp) == 15.0);
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_DOUBLE_RANGE (tmp) == TRUE);
  fail_unless (gst_value_get_double_range_min (tmp) == 20.0);
  fail_unless (gst_value_get_double_range_max (tmp) == 30.0);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);
}

GST_END_TEST;

/* Test arithmetic subtraction of fractions */
GST_START_TEST (test_value_subtract_fraction)
{
  GValue result = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };

  /* Subtract 1/4 from 1/2 */
  g_value_init (&src1, GST_TYPE_FRACTION);
  g_value_init (&src2, GST_TYPE_FRACTION);
  g_value_init (&result, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 1, 2);
  gst_value_set_fraction (&src2, 1, 4);
  fail_unless (gst_value_fraction_subtract (&result, &src1, &src2) == TRUE);
  fail_unless (gst_value_get_fraction_numerator (&result) == 1);
  fail_unless (gst_value_get_fraction_denominator (&result) == 4);

  g_value_unset (&src1);
  g_value_unset (&src2);
  g_value_unset (&result);

  /* Subtract 1/12 from 7/8 */
  g_value_init (&src1, GST_TYPE_FRACTION);
  g_value_init (&src2, GST_TYPE_FRACTION);
  g_value_init (&result, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 7, 8);
  gst_value_set_fraction (&src2, 1, 12);
  fail_unless (gst_value_fraction_subtract (&result, &src1, &src2) == TRUE);
  fail_unless (gst_value_get_fraction_numerator (&result) == 19);
  fail_unless (gst_value_get_fraction_denominator (&result) == 24);

  g_value_unset (&src1);
  g_value_unset (&src2);
  g_value_unset (&result);

  /* Subtract 12/13 from 4/3 */
  g_value_init (&src1, GST_TYPE_FRACTION);
  g_value_init (&src2, GST_TYPE_FRACTION);
  g_value_init (&result, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 4, 3);
  gst_value_set_fraction (&src2, 12, 13);
  fail_unless (gst_value_fraction_subtract (&result, &src1, &src2) == TRUE);
  fail_unless (gst_value_get_fraction_numerator (&result) == 16);
  fail_unless (gst_value_get_fraction_denominator (&result) == 39);

  g_value_unset (&src1);
  g_value_unset (&src2);
  g_value_unset (&result);

  /* Subtract 1/12 from 7/8 */
}

GST_END_TEST;

/* Test set subtraction operations on fraction ranges */
GST_START_TEST (test_value_subtract_fraction_range)
{
  GValue dest = { 0 };
  GValue src1 = { 0 };
  GValue src2 = { 0 };
  GValue cmp = { 0 };
  const GValue *tmp;
  gboolean ret;

  /* Value for tests */
  g_value_init (&cmp, GST_TYPE_FRACTION);

  /*  fraction <-> fraction
   */
  g_value_init (&src1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 10, 1);
  g_value_init (&src2, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src2, 20, 1);
  gst_value_set_fraction (&src1, 10, 1);

  /* subtract as in sets, result is 10 */
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* same values, yields empty set */
  ret = gst_value_subtract (&dest, &src1, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  fraction <-> fraction_range
   */

  /* would yield an empty set */
  g_value_init (&src1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 10, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 0, 1, 20, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, we cannot create open ranges
   * so the result is the range again */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 0, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* border case 1, empty set */
  g_value_init (&src1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 10, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 10, 1, 20, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);

  /* and the other way around, should keep same range as
   * we don't have open ranges. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 10, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* case 2, valid set */
  g_value_init (&src1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&src1, 0, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 10, 1, 20, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION (&dest) == TRUE);
  fail_unless (gst_value_compare (&dest, &src1) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* and the other way around, should keep the range. */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  fail_unless (gst_value_compare (&dest, &src2) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /*  fraction_range <-> fraction_range
   */

  /* same range, empty set */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 2, 20, 2);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 10, 2, 20, 2);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* non overlapping ranges */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 2, 10, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 30, 2, 40, 2);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 5, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 10, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);

  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 15, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* completely overlapping ranges */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 1, 20, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 10, 1, 30, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == FALSE);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 30, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* partially overlapping ranges */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 1, 20, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 15, 1, 30, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 10, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 15, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);

  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (&dest) == TRUE);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (&dest),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 30, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (&dest),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  g_value_unset (&src1);
  g_value_unset (&src2);

  /* create a hole { double_range, double_range } */
  g_value_init (&src1, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src1, 10, 1, 30, 1);
  g_value_init (&src2, GST_TYPE_FRACTION_RANGE);
  gst_value_set_fraction_range_full (&src2, 15, 1, 20, 1);
  ret = gst_value_subtract (&dest, &src1, &src2);
  fail_unless (ret == TRUE);
  fail_unless (GST_VALUE_HOLDS_LIST (&dest) == TRUE);
  /* 1st list entry */
  tmp = gst_value_list_get_value (&dest, 0);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (tmp) == TRUE);
  gst_value_set_fraction (&cmp, 10, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (tmp),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 15, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (tmp),
          &cmp) == GST_VALUE_EQUAL);
  /* 2nd list entry */
  tmp = gst_value_list_get_value (&dest, 1);
  fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (tmp) == TRUE);
  gst_value_set_fraction (&cmp, 20, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_min (tmp),
          &cmp) == GST_VALUE_EQUAL);
  gst_value_set_fraction (&cmp, 30, 1);
  fail_unless (gst_value_compare (gst_value_get_fraction_range_max (tmp),
          &cmp) == GST_VALUE_EQUAL);
  g_value_unset (&dest);
  /* the other way */
  ret = gst_value_subtract (&dest, &src2, &src1);
  fail_unless (ret == FALSE);
  g_value_unset (&src1);
  g_value_unset (&src2);

  g_value_unset (&cmp);
}

GST_END_TEST;

/* Test set subtraction operations on fraction lists */
GST_START_TEST (test_value_subtract_fraction_list)
{
  GValue list1 = { 0 };
  GValue list2 = { 0 };
  GValue val1 = { 0 };
  GValue val2 = { 0 };
  GValue tmp = { 0 };
  gboolean ret;

  g_value_init (&list1, GST_TYPE_LIST);
  g_value_init (&val1, GST_TYPE_FRACTION);
  gst_value_set_fraction (&val1, 15, 2);
  gst_value_list_append_value (&list1, &val1);
  g_value_init (&tmp, GST_TYPE_FRACTION);
  gst_value_set_fraction (&tmp, 5, 1);
  gst_value_list_append_value (&list1, &tmp);
  g_value_unset (&tmp);

  g_value_init (&list2, GST_TYPE_LIST);
  g_value_init (&val2, GST_TYPE_FRACTION);
  gst_value_set_fraction (&val2, 15, 1);
  gst_value_list_append_value (&list2, &val2);
  g_value_init (&tmp, GST_TYPE_FRACTION);
  gst_value_set_fraction (&tmp, 5, 1);
  gst_value_list_append_value (&list2, &tmp);
  g_value_unset (&tmp);

  /* should subtract all common elements */
  ret = gst_value_subtract (&tmp, &list1, &list2);
  fail_unless (ret == TRUE);
  fail_unless (gst_value_compare (&tmp, &val1) == GST_VALUE_EQUAL);
  g_value_unset (&val1);
  g_value_unset (&tmp);

  ret = gst_value_subtract (&tmp, &list2, &list1);
  fail_unless (ret == TRUE);
  fail_unless (gst_value_compare (&tmp, &val2) == GST_VALUE_EQUAL);
  g_value_unset (&val2);
  g_value_unset (&tmp);

  g_value_unset (&list1);
  g_value_unset (&list2);
}

GST_END_TEST;

GST_START_TEST (test_date)
{
  GstStructure *s;
  GDate *date, *date2;
  gchar *str;

  date = g_date_new_dmy (22, 9, 2005);

  s = gst_structure_new ("media/x-type", "SOME_DATE_TAG", G_TYPE_DATE,
      date, NULL);

  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TAG", G_TYPE_DATE));
  fail_unless (gst_structure_get_date (s, "SOME_DATE_TAG", &date2));
  fail_unless (date2 != NULL);
  fail_unless (g_date_valid (date2));
  fail_unless (g_date_compare (date, date2) == 0);

  g_date_free (date);
  g_date_free (date2);
  date = NULL;
  date2 = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;

  fail_unless (g_str_equal (str,
          "media/x-type, SOME_DATE_TAG=(date)2005-09-22;"));

  s = gst_structure_from_string (str, NULL);
  g_free (str);
  str = NULL;

  fail_unless (s != NULL);
  fail_unless (gst_structure_has_name (s, "media/x-type"));
  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TAG", G_TYPE_DATE));
  fail_unless (gst_structure_get_date (s, "SOME_DATE_TAG", &date));
  fail_unless (date != NULL);
  fail_unless (g_date_valid (date));
  fail_unless (g_date_get_day (date) == 22);
  fail_unless (g_date_get_month (date) == 9);
  fail_unless (g_date_get_year (date) == 2005);
  g_date_free (date);
  date = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;

  fail_unless (g_str_equal (str,
          "media/x-type, SOME_DATE_TAG=(date)2005-09-22;"));
  g_free (str);
  str = NULL;
}

GST_END_TEST;

static gboolean
date_time_equal (GstDateTime * a, GstDateTime * b)
{
  if (gst_date_time_get_year (a) != gst_date_time_get_year (b) ||
      gst_date_time_get_month (a) != gst_date_time_get_month (b) ||
      gst_date_time_get_day (a) != gst_date_time_get_day (b))
    return FALSE;

  if (gst_date_time_get_hour (a) != gst_date_time_get_hour (b) ||
      gst_date_time_get_minute (a) != gst_date_time_get_minute (b) ||
      gst_date_time_get_second (a) != gst_date_time_get_second (b) ||
      gst_date_time_get_microsecond (a) != gst_date_time_get_microsecond (b))
    return FALSE;

  if (gst_date_time_get_time_zone_offset (a) !=
      gst_date_time_get_time_zone_offset (b))
    return FALSE;

  return TRUE;
}

GST_START_TEST (test_date_time)
{
  GstStructure *s;
  GstDateTime *datetime, *datetime2;
  GValue val = { 0, };
  gchar *str;

  /* utc timezone */
  datetime = gst_date_time_new (0, 2010, 6, 23, 7, 40, 10);

  s = gst_structure_new ("media/x-type", "SOME_DATE_TIME_TAG",
      GST_TYPE_DATE_TIME, datetime, NULL);

  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TIME_TAG",
          GST_TYPE_DATE_TIME));
  fail_unless (gst_structure_get_date_time (s, "SOME_DATE_TIME_TAG",
          &datetime2));
  fail_unless (datetime2 != NULL);
  fail_unless (date_time_equal (datetime, datetime2));

  gst_date_time_unref (datetime);
  gst_date_time_unref (datetime2);
  datetime = NULL;
  datetime2 = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;

  fail_unless_equals_string (str,
      "media/x-type, SOME_DATE_TIME_TAG=(datetime)2010-06-23T07:40:10Z;");

  s = gst_structure_from_string (str, NULL);
  g_free (str);
  str = NULL;

  fail_unless (s != NULL);
  fail_unless (gst_structure_has_name (s, "media/x-type"));
  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TIME_TAG",
          GST_TYPE_DATE_TIME));
  fail_unless (gst_structure_get_date_time (s, "SOME_DATE_TIME_TAG",
          &datetime));
  fail_unless (datetime != NULL);
  fail_unless (gst_date_time_get_year (datetime) == 2010);
  fail_unless (gst_date_time_get_month (datetime) == 6);
  fail_unless (gst_date_time_get_day (datetime) == 23);
  fail_unless (gst_date_time_get_hour (datetime) == 7);
  fail_unless (gst_date_time_get_minute (datetime) == 40);
  fail_unless (gst_date_time_get_second (datetime) == 10);
  fail_unless (gst_date_time_get_microsecond (datetime) == 0);
  fail_unless (gst_date_time_get_time_zone_offset (datetime) == 0);
  gst_date_time_unref (datetime);
  datetime = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;

  fail_unless_equals_string (str,
      "media/x-type, SOME_DATE_TIME_TAG=(datetime)2010-06-23T07:40:10Z;");
  g_free (str);
  str = NULL;

  /* with timezone */
  datetime = gst_date_time_new (-3.0, 2010, 6, 23, 7, 40, 10.000001);

  s = gst_structure_new ("media/x-type", "SOME_DATE_TIME_TAG",
      GST_TYPE_DATE_TIME, datetime, NULL);

  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TIME_TAG",
          GST_TYPE_DATE_TIME));
  fail_unless (gst_structure_get_date_time (s, "SOME_DATE_TIME_TAG",
          &datetime2));
  fail_unless (datetime2 != NULL);
  fail_unless (date_time_equal (datetime, datetime2));

  gst_date_time_unref (datetime);
  gst_date_time_unref (datetime2);
  datetime = NULL;
  datetime2 = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;

  fail_unless_equals_string (str,
      "media/x-type, SOME_DATE_TIME_TAG=(datetime)2010-06-23T07:40:10.000001-0300;");

  s = gst_structure_from_string (str, NULL);
  g_free (str);
  str = NULL;

  fail_unless (s != NULL);
  fail_unless (gst_structure_has_name (s, "media/x-type"));
  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TIME_TAG",
          GST_TYPE_DATE_TIME));
  fail_unless (gst_structure_get_date_time (s, "SOME_DATE_TIME_TAG",
          &datetime));
  fail_unless (datetime != NULL);
  fail_unless (gst_date_time_get_year (datetime) == 2010);
  fail_unless (gst_date_time_get_month (datetime) == 6);
  fail_unless (gst_date_time_get_day (datetime) == 23);
  fail_unless (gst_date_time_get_hour (datetime) == 7);
  fail_unless (gst_date_time_get_minute (datetime) == 40);
  fail_unless (gst_date_time_get_second (datetime) == 10);
  fail_unless (gst_date_time_get_microsecond (datetime) == 1);
  fail_unless (gst_date_time_get_time_zone_offset (datetime) == -3);
  gst_date_time_unref (datetime);
  datetime = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;
  fail_unless_equals_string (str,
      "media/x-type, SOME_DATE_TIME_TAG=(datetime)2010-06-23T07:40:10.000001-0300;");

  g_free (str);
  str = NULL;

  /* with positive timezone */
  datetime = gst_date_time_new (2.0, 2010, 6, 23, 7, 40, 10.000001);

  s = gst_structure_new ("media/x-type", "SOME_DATE_TIME_TAG",
      GST_TYPE_DATE_TIME, datetime, NULL);

  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TIME_TAG",
          GST_TYPE_DATE_TIME));
  fail_unless (gst_structure_get_date_time (s, "SOME_DATE_TIME_TAG",
          &datetime2));
  fail_unless (datetime2 != NULL);
  fail_unless (date_time_equal (datetime, datetime2));

  gst_date_time_unref (datetime);
  gst_date_time_unref (datetime2);
  datetime = NULL;
  datetime2 = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;

  fail_unless_equals_string (str,
      "media/x-type, SOME_DATE_TIME_TAG=(datetime)2010-06-23T07:40:10.000001+0200;");

  s = gst_structure_from_string (str, NULL);
  g_free (str);
  str = NULL;

  fail_unless (s != NULL);
  fail_unless (gst_structure_has_name (s, "media/x-type"));
  fail_unless (gst_structure_has_field_typed (s, "SOME_DATE_TIME_TAG",
          GST_TYPE_DATE_TIME));
  fail_unless (gst_structure_get_date_time (s, "SOME_DATE_TIME_TAG",
          &datetime));
  fail_unless (datetime != NULL);
  fail_unless (gst_date_time_get_year (datetime) == 2010);
  fail_unless (gst_date_time_get_month (datetime) == 6);
  fail_unless (gst_date_time_get_day (datetime) == 23);
  fail_unless (gst_date_time_get_hour (datetime) == 7);
  fail_unless (gst_date_time_get_minute (datetime) == 40);
  fail_unless (gst_date_time_get_second (datetime) == 10);
  fail_unless (gst_date_time_get_microsecond (datetime) == 1);
  fail_unless (gst_date_time_get_time_zone_offset (datetime) == 2);
  gst_date_time_unref (datetime);
  datetime = NULL;

  str = gst_structure_to_string (s);
  gst_structure_free (s);
  s = NULL;
  fail_unless_equals_string (str,
      "media/x-type, SOME_DATE_TIME_TAG=(datetime)2010-06-23T07:40:10.000001+0200;");

  g_free (str);
  str = NULL;

  /* test partial dates */
  datetime = gst_date_time_new (0.0, 2010, -1, -1, -1, -1, -1.0);
  g_value_init (&val, GST_TYPE_DATE_TIME);
  g_value_take_boxed (&val, datetime);
  str = gst_value_serialize (&val);
  g_value_reset (&val);
  fail_unless_equals_string (str, "2010");
  fail_unless (gst_value_deserialize (&val, str));
  datetime = g_value_get_boxed (&val);
  fail_if (!gst_date_time_has_year (datetime));
  fail_if (gst_date_time_has_month (datetime));
  fail_if (gst_date_time_has_day (datetime));
  fail_if (gst_date_time_has_time (datetime));
  g_value_unset (&val);
  g_free (str);

  datetime = gst_date_time_new (0.0, 2010, 9, -1, -1, -1, -1.0);
  g_value_init (&val, GST_TYPE_DATE_TIME);
  g_value_take_boxed (&val, datetime);
  str = gst_value_serialize (&val);
  g_value_reset (&val);
  fail_unless_equals_string (str, "2010-09");
  fail_unless (gst_value_deserialize (&val, str));
  datetime = g_value_get_boxed (&val);
  fail_if (!gst_date_time_has_year (datetime));
  fail_if (!gst_date_time_has_month (datetime));
  fail_if (gst_date_time_has_day (datetime));
  fail_if (gst_date_time_has_time (datetime));
  g_value_unset (&val);
  g_free (str);

  datetime = gst_date_time_new (0.0, 1983, 11, 30, -1, -1, -1.0);
  g_value_init (&val, GST_TYPE_DATE_TIME);
  g_value_take_boxed (&val, datetime);
  str = gst_value_serialize (&val);
  g_value_reset (&val);
  fail_unless_equals_string (str, "1983-11-30");
  fail_unless (gst_value_deserialize (&val, str));
  datetime = g_value_get_boxed (&val);
  fail_if (!gst_date_time_has_year (datetime));
  fail_if (!gst_date_time_has_month (datetime));
  fail_if (!gst_date_time_has_day (datetime));
  fail_if (gst_date_time_has_time (datetime));
  g_value_unset (&val);
  g_free (str);

  datetime = gst_date_time_new (0.0, 1983, 11, 30, 3, 52, -1.0);
  g_value_init (&val, GST_TYPE_DATE_TIME);
  g_value_take_boxed (&val, datetime);
  str = gst_value_serialize (&val);
  g_value_reset (&val);
  fail_unless_equals_string (str, "1983-11-30T03:52Z");
  fail_unless (gst_value_deserialize (&val, str));
  datetime = g_value_get_boxed (&val);
  fail_if (!gst_date_time_has_year (datetime));
  fail_if (!gst_date_time_has_month (datetime));
  fail_if (!gst_date_time_has_day (datetime));
  fail_if (!gst_date_time_has_time (datetime));
  fail_if (gst_date_time_has_second (datetime));
  fail_unless_equals_float (gst_date_time_get_time_zone_offset (datetime), 0.0);
  g_value_unset (&val);
  g_free (str);

  datetime = gst_date_time_new (-4.5, 1983, 11, 30, 3, 52, -1.0);
  g_value_init (&val, GST_TYPE_DATE_TIME);
  g_value_take_boxed (&val, datetime);
  str = gst_value_serialize (&val);
  g_value_reset (&val);
  fail_unless_equals_string (str, "1983-11-30T03:52-0430");
  fail_unless (gst_value_deserialize (&val, str));
  datetime = g_value_get_boxed (&val);
  fail_if (!gst_date_time_has_year (datetime));
  fail_if (!gst_date_time_has_month (datetime));
  fail_if (!gst_date_time_has_day (datetime));
  fail_if (!gst_date_time_has_time (datetime));
  fail_if (gst_date_time_has_second (datetime));
  fail_unless_equals_float (gst_date_time_get_time_zone_offset (datetime),
      -4.5);
  g_value_unset (&val);
  g_free (str);

  datetime = gst_date_time_new (4.5, 1983, 11, 30, 14, 52, 9);
  g_value_init (&val, GST_TYPE_DATE_TIME);
  g_value_take_boxed (&val, datetime);
  str = gst_value_serialize (&val);
  g_value_reset (&val);
  fail_unless_equals_string (str, "1983-11-30T14:52:09+0430");
  fail_unless (gst_value_deserialize (&val, str));
  datetime = g_value_get_boxed (&val);
  fail_if (!gst_date_time_has_year (datetime));
  fail_if (!gst_date_time_has_month (datetime));
  fail_if (!gst_date_time_has_day (datetime));
  fail_if (!gst_date_time_has_time (datetime));
  fail_if (!gst_date_time_has_second (datetime));
  fail_unless_equals_float (gst_date_time_get_time_zone_offset (datetime), 4.5);
  g_value_unset (&val);
  g_free (str);

  datetime = gst_date_time_new (-4.5, 1983, 11, 30, 14, 52, 9.702);
  g_value_init (&val, GST_TYPE_DATE_TIME);
  g_value_take_boxed (&val, datetime);
  str = gst_value_serialize (&val);
  g_value_reset (&val);
  fail_unless_equals_string (str, "1983-11-30T14:52:09.702-0430");
  fail_unless (gst_value_deserialize (&val, str));
  datetime = g_value_get_boxed (&val);
  fail_if (!gst_date_time_has_year (datetime));
  fail_if (!gst_date_time_has_month (datetime));
  fail_if (!gst_date_time_has_day (datetime));
  fail_if (!gst_date_time_has_time (datetime));
  fail_if (!gst_date_time_has_second (datetime));
  fail_unless_equals_float (gst_date_time_get_time_zone_offset (datetime),
      -4.5);
  g_value_unset (&val);
  g_free (str);
}

GST_END_TEST;

GST_START_TEST (test_fraction_range)
{
  GValue range = { 0, };
  GValue start = { 0, };
  GValue end = { 0, };
  GValue src = { 0, };
  GValue dest = { 0, };
  GValue range2 = { 0, };

  g_value_init (&range, GST_TYPE_FRACTION_RANGE);
  g_value_init (&range2, GST_TYPE_FRACTION_RANGE);
  g_value_init (&start, GST_TYPE_FRACTION);
  g_value_init (&end, GST_TYPE_FRACTION);
  g_value_init (&src, GST_TYPE_FRACTION);

  gst_value_set_fraction (&src, 1, 2);

  /* Check that a intersection of fraction & range = fraction */
  gst_value_set_fraction (&start, 1, 4);
  gst_value_set_fraction (&end, 2, 3);
  gst_value_set_fraction_range (&range, &start, &end);

  fail_unless (gst_value_intersect (&dest, &src, &range) == TRUE);
  fail_unless (G_VALUE_TYPE (&dest) == GST_TYPE_FRACTION);
  fail_unless (gst_value_compare (&dest, &src) == GST_VALUE_EQUAL);

  /* Check that a intersection selects the overlapping range */
  gst_value_set_fraction (&start, 1, 3);
  gst_value_set_fraction (&end, 2, 3);
  gst_value_set_fraction_range (&range2, &start, &end);
  g_value_unset (&dest);
  fail_unless (gst_value_intersect (&dest, &range, &range2) == TRUE);
  fail_unless (G_VALUE_TYPE (&dest) == GST_TYPE_FRACTION_RANGE);

  gst_value_set_fraction_range (&range2, &start, &end);
  fail_unless (gst_value_compare (&dest, &range2) == GST_VALUE_EQUAL);

  /* Check that non intersection ranges don't intersect */
  gst_value_set_fraction (&start, 4, 2);
  gst_value_set_fraction (&end, 5, 2);
  gst_value_set_fraction_range (&range2, &start, &end);
  g_value_unset (&dest);
  fail_unless (gst_value_intersect (&dest, &range, &range2) == FALSE);

  g_value_unset (&start);
  g_value_unset (&end);
  g_value_unset (&range);
  g_value_unset (&range2);
  g_value_unset (&src);
}

GST_END_TEST;

GST_START_TEST (test_serialize_deserialize_format_enum)
{
  GstStructure *s, *s2;
  GstFormat foobar_fmt;
  gchar *str, *str2, *end = NULL;

  /* make sure custom formats are serialised properly as well */
  foobar_fmt = gst_format_register ("foobar", "GST_FORMAT_FOOBAR");
  fail_unless (foobar_fmt != GST_FORMAT_UNDEFINED);

  s = gst_structure_new ("foo/bar", "format1", GST_TYPE_FORMAT,
      GST_FORMAT_BYTES, "format2", GST_TYPE_FORMAT, GST_FORMAT_TIME,
      "format3", GST_TYPE_FORMAT, GST_FORMAT_DEFAULT, "format4",
      GST_TYPE_FORMAT, foobar_fmt, NULL);

  str = gst_structure_to_string (s);
  GST_LOG ("Got structure string '%s'", GST_STR_NULL (str));
  fail_unless (str != NULL);
  fail_unless (strstr (str, "TIME") != NULL);
  fail_unless (strstr (str, "BYTE") != NULL);
  fail_unless (strstr (str, "DEFAULT") != NULL);
  fail_unless (strstr (str, "FOOBAR") != NULL);

  s2 = gst_structure_from_string (str, &end);
  fail_unless (s2 != NULL);

  str2 = gst_structure_to_string (s2);
  fail_unless (str2 != NULL);

  fail_unless (g_str_equal (str, str2));

  g_free (str);
  g_free (str2);
  gst_structure_free (s);
  gst_structure_free (s2);
}

GST_END_TEST;

GST_START_TEST (test_serialize_deserialize_caps)
{
  GValue value = { 0 }
  , value2 = {
  0};
  GstCaps *caps, *caps2;
  GstCaps *incaps;
  gchar *serialized;

  incaps = gst_caps_new_simple ("caps/internal",
      "in-field", G_TYPE_INT, 20, "in-field2",
      G_TYPE_STRING, "some in ternal field", NULL);
  caps = gst_caps_new_simple ("test/caps",
      "foo", G_TYPE_INT, 10, "bar", G_TYPE_STRING, "test",
      "int-caps", GST_TYPE_CAPS, incaps, NULL);
  fail_if (GST_CAPS_REFCOUNT_VALUE (caps) != 1);
  gst_caps_unref (incaps);

  /* and assign caps to gvalue */
  g_value_init (&value, GST_TYPE_CAPS);
  g_value_take_boxed (&value, caps);
  fail_if (GST_CAPS_REFCOUNT_VALUE (caps) != 1);

  /* now serialize it */
  serialized = gst_value_serialize (&value);
  GST_DEBUG ("serialized caps to %s", serialized);
  fail_unless (serialized != NULL);

  /* refcount should not change */
  fail_if (GST_CAPS_REFCOUNT_VALUE (caps) != 1);

  /* now deserialize again */
  g_value_init (&value2, GST_TYPE_CAPS);
  gst_value_deserialize (&value2, serialized);

  caps2 = g_value_get_boxed (&value2);
  fail_if (GST_CAPS_REFCOUNT_VALUE (caps2) != 1);

  /* they should be equal */
  fail_unless (gst_caps_is_equal (caps, caps2));

  /* cleanup */
  g_value_unset (&value);
  g_value_unset (&value2);
  g_free (serialized);
}

GST_END_TEST;

GST_START_TEST (test_int_range)
{
  GValue range = { 0, };
  GValue start = { 0, };
  GValue end = { 0, };
  GValue src = { 0, };
  GValue dest = { 0, };
  GValue range2 = { 0, };

  g_value_init (&range, GST_TYPE_INT_RANGE);
  g_value_init (&range2, GST_TYPE_INT_RANGE);
  g_value_init (&start, G_TYPE_INT);
  g_value_init (&end, G_TYPE_INT);
  g_value_init (&src, G_TYPE_INT);

  g_value_set_int (&src, 2);

  /* Check that a intersection of int & range = int */
  gst_value_set_int_range (&range, 1, 5);

  fail_unless (gst_value_intersect (&dest, &src, &range) == TRUE);
  fail_unless (G_VALUE_TYPE (&dest) == G_TYPE_INT);
  fail_unless (gst_value_compare (&dest, &src) == GST_VALUE_EQUAL);

  /* Check that a intersection selects the overlapping range */
  gst_value_set_int_range (&range2, 2, 3);
  g_value_unset (&dest);
  fail_unless (gst_value_intersect (&dest, &range, &range2) == TRUE);
  fail_unless (G_VALUE_TYPE (&dest) == GST_TYPE_INT_RANGE);

  fail_unless (gst_value_compare (&dest, &range2) == GST_VALUE_EQUAL);

  /* Check that non intersection ranges don't intersect */
  gst_value_set_int_range (&range2, 6, 7);
  g_value_unset (&dest);
  fail_unless (gst_value_intersect (&dest, &range, &range2) == FALSE);

  g_value_unset (&start);
  g_value_unset (&end);
  g_value_unset (&range);
  g_value_unset (&range2);
  g_value_unset (&src);
}

GST_END_TEST;

GST_START_TEST (test_int64_range)
{
  GValue range = { 0, };
  GValue start = { 0, };
  GValue end = { 0, };
  GValue src = { 0, };
  GValue dest = { 0, };
  GValue range2 = { 0, };

  g_value_init (&range, GST_TYPE_INT64_RANGE);
  g_value_init (&range2, GST_TYPE_INT64_RANGE);
  g_value_init (&start, G_TYPE_INT64);
  g_value_init (&end, G_TYPE_INT64);
  g_value_init (&src, G_TYPE_INT64);

  g_value_set_int64 (&src, 2);

  /* Check that a intersection of int64 & range = int64 */
  gst_value_set_int64_range (&range, 1, 5);

  fail_unless (gst_value_intersect (&dest, &src, &range) == TRUE);
  fail_unless (G_VALUE_TYPE (&dest) == G_TYPE_INT64);
  fail_unless (gst_value_compare (&dest, &src) == GST_VALUE_EQUAL);

  /* Check that a intersection selects the overlapping range */
  gst_value_set_int64_range (&range2, 2, 3);
  g_value_unset (&dest);
  fail_unless (gst_value_intersect (&dest, &range, &range2) == TRUE);
  fail_unless (G_VALUE_TYPE (&dest) == GST_TYPE_INT64_RANGE);

  fail_unless (gst_value_compare (&dest, &range2) == GST_VALUE_EQUAL);

  /* Check that non intersection ranges don't intersect */
  gst_value_set_int64_range (&range2, 6, 7);
  g_value_unset (&dest);
  fail_unless (gst_value_intersect (&dest, &range, &range2) == FALSE);

  g_value_unset (&start);
  g_value_unset (&end);
  g_value_unset (&range);
  g_value_unset (&range2);
  g_value_unset (&src);
}

GST_END_TEST;

GST_START_TEST (test_serialize_int64_range)
{
  int i = 0;

  gint64 int64_ranges[] = {
    0, 5,
    0, G_MAXINT,
    5, G_MAXINT32,
    5, G_MAXINT64,
  };
  gint int64_ranges_size = sizeof (int64_ranges) / sizeof (int64_ranges[0]) / 2;

  gchar *int64_range_strings[] = {
    g_strdup ("[ 0, 5 ]"),
    g_strdup_printf ("[ 0, %" G_GINT64_FORMAT " ]", (gint64) G_MAXINT),
    g_strdup_printf ("[ 5, %" G_GINT64_FORMAT " ]", (gint64) G_MAXINT32),
    g_strdup_printf ("[ 5, %" G_GINT64_FORMAT " ]", G_MAXINT64),
  };
  gint int64_range_strings_size =
      sizeof (int64_range_strings) / sizeof (int64_range_strings[0]);

  fail_unless (int64_ranges_size == int64_range_strings_size);

  while (i + 1 < (int64_ranges_size * 2)) {
    if ((i + 1) % 2) {
      gchar *str;
      gchar *str2;
      GValue value = { 0 };
      const GValue *deserialized_value;
      int idx = i / 2;
      GstStructure *s;

      g_value_init (&value, GST_TYPE_INT64_RANGE);

      /* check serialization */
      gst_value_set_int64_range (&value, int64_ranges[i], int64_ranges[i + 1]);
      str = gst_value_serialize (&value);
      fail_unless (strcmp (str, int64_range_strings[idx]) == 0);
      g_free (int64_range_strings[idx]);
      g_value_unset (&value);

      /* now deserialize again to an int64 range */
      s = gst_structure_new ("foo/bar", "range", GST_TYPE_INT64_RANGE,
          int64_ranges[i], int64_ranges[i + 1], NULL);
      deserialized_value = gst_structure_get_value (s, "range");
      fail_unless (GST_VALUE_HOLDS_INT64_RANGE (deserialized_value) == TRUE);
      str2 = gst_value_serialize (deserialized_value);

      fail_unless (gst_value_get_int64_range_min (deserialized_value) ==
          int64_ranges[i]);
      fail_unless (gst_value_get_int64_range_max (deserialized_value) ==
          int64_ranges[i + 1]);

      gst_structure_free (s);
      g_free (str);
      g_free (str2);
    }
    i++;
  }
}

GST_END_TEST;

GST_START_TEST (test_deserialize_int_range)
{
  GstStructure *s;
  gchar *str, *str2;
  gchar *end = NULL;
  const GValue *deserialized_value;

  /* check a valid int_range deserialization */
  str = g_strdup_printf ("foo/bar, range=[ 1, %d ];", G_MAXINT);
  s = gst_structure_from_string (str, &end);
  fail_unless (*end == '\0');
  deserialized_value = gst_structure_get_value (s, "range");
  fail_unless (GST_VALUE_HOLDS_INT_RANGE (deserialized_value) == TRUE);
  fail_unless (gst_value_get_int_range_min (deserialized_value) == 1);
  fail_unless (gst_value_get_int_range_max (deserialized_value) == G_MAXINT);
  gst_structure_free (s);
  end = NULL;
  g_free (str);

  /* check invalid int_range deserialization */
  str =
      g_strdup_printf ("foo/bar, range=[ 1, %" G_GINT64_FORMAT " ];",
      (gint64) G_MAXINT + 1);
  ASSERT_CRITICAL (s = gst_structure_from_string (str, &end));
  g_free (str);
  gst_structure_free (s);
  str =
      g_strdup_printf ("foo/bar, range=[ %" G_GINT64_FORMAT ", %"
      G_GINT64_FORMAT " ];", (gint64) G_MAXINT, (gint64) G_MAXINT + 1);
  ASSERT_CRITICAL (s = gst_structure_from_string (str, NULL));
  end = NULL;
  g_free (str);
  gst_structure_free (s);

  /* check a valid int64_range deserialization. Those ranges need to
   * be explicit about their storage type. */
  str = g_strdup_printf ("foo/bar, range=(gint64)[ 1, %d ];", G_MAXINT);
  s = gst_structure_from_string (str, &end);
  fail_unless (*end == '\0');
  deserialized_value = gst_structure_get_value (s, "range");
  fail_unless (GST_VALUE_HOLDS_INT64_RANGE (deserialized_value) == TRUE);
  fail_unless (gst_value_get_int64_range_min (deserialized_value) == 1);
  fail_unless (gst_value_get_int64_range_max (deserialized_value) == G_MAXINT);
  str2 = gst_structure_to_string (s);
  fail_unless (strcmp (str, str2) == 0);
  gst_structure_free (s);
  end = NULL;
  g_free (str);
  g_free (str2);

  /* check invalid int64_range (starting with a gint) deserialization */
  str =
      g_strdup_printf ("foo/bar, range=(gint64)[ 1, %" G_GUINT64_FORMAT " ];",
      (guint64) G_MAXINT64 + 1);
  ASSERT_CRITICAL (s = gst_structure_from_string (str, &end));
  fail_unless (*end == '\0');
  gst_structure_free (s);
  end = NULL;
  g_free (str);

  /* check invalid int64_range deserialization into a int64_range */
  str =
      g_strdup_printf ("foo/bar, range=(gint64)[ %" G_GINT64_FORMAT ", %"
      G_GUINT64_FORMAT " ];", (gint64) G_MAXINT, (guint64) G_MAXINT64 + 1);
  ASSERT_CRITICAL (s = gst_structure_from_string (str, NULL));
  g_free (str);
  gst_structure_free (s);

  /* check invalid int64_range deserialization into a int_range */
  str =
      g_strdup_printf ("foo/bar, range=[ %" G_GINT64_FORMAT ", %"
      G_GUINT64_FORMAT " ];", (gint64) G_MAXINT, (guint64) G_MAXINT64 + 1);
  s = gst_structure_from_string (str, &end);
  fail_unless (s == NULL);
  fail_unless (end == NULL);
  g_free (str);
}

GST_END_TEST;

GST_START_TEST (test_stepped_range_collection)
{
  GstStructure *s;
  const GValue *v;

  s = gst_structure_new ("foo/bar", "range", GST_TYPE_INT_RANGE, 8, 12, NULL);
  fail_unless (s != NULL);
  v = gst_structure_get_value (s, "range");
  fail_unless (v != NULL);
  fail_unless (gst_value_get_int_range_min (v) == 8);
  fail_unless (gst_value_get_int_range_max (v) == 12);
  fail_unless (gst_value_get_int_range_step (v) == 1);
  gst_structure_free (s);

  s = gst_structure_new ("foo/bar", "range", GST_TYPE_INT64_RANGE, (gint64) 8,
      (gint64) 12, NULL);
  fail_unless (s != NULL);
  v = gst_structure_get_value (s, "range");
  fail_unless (v != NULL);
  fail_unless (gst_value_get_int64_range_min (v) == 8);
  fail_unless (gst_value_get_int64_range_max (v) == 12);
  fail_unless (gst_value_get_int64_range_step (v) == 1);
  gst_structure_free (s);
}

GST_END_TEST;

GST_START_TEST (test_stepped_int_range_parsing)
{
  gchar *str;
  guint n;
  gchar *end = NULL;
  GstStructure *s;

  static const gchar *good_ranges[] = {
    "[0, 1, 1]",
    "[-2, 2, 2]",
    "[16, 4096, 16]",
  };

  static const gchar *bad_ranges[] = {
    "[0, 1, -1]",
    "[1, 2, 2]",
    "[2, 3, 2]",
    "[0, 0, 0]",
  };

  /* check we can parse good ranges */
  for (n = 0; n < G_N_ELEMENTS (good_ranges); ++n) {
    str = g_strdup_printf ("foo/bar, range=%s", good_ranges[n]);
    s = gst_structure_from_string (str, &end);
    fail_unless (s != NULL);
    fail_unless (*end == '\0');
    gst_structure_free (s);
    g_free (str);
  }

  /* check we cannot parse bad ranges */
  for (n = 0; n < G_N_ELEMENTS (bad_ranges); ++n) {
    str = g_strdup_printf ("foo/bar, range=%s", bad_ranges[n]);
    ASSERT_CRITICAL (s = gst_structure_from_string (str, &end));
    gst_structure_free (s);
    g_free (str);
  }
}

GST_END_TEST;

GST_START_TEST (test_stepped_int_range_ops)
{
  gchar *str1, *str2, *str3;
  guint n;
  GstStructure *s1, *s2, *s3;
  const GValue *v1, *v2, *v3;

  static const struct
  {
    const gchar *set1;
    const gchar *op;
    const gchar *set2;
    const gchar *result;
  } ranges[] = {
    {
    "[16, 4096, 16]", "inter", "[100, 200, 10]", "160"}, {
    "[16, 4096, 16]", "inter", "[100, 200, 100]", NULL}, {
    "[16, 4096, 16]", "inter", "[0, 512, 256]", "[256, 512, 256]"}, {
    "[16, 32, 16]", "union", "[32, 96, 16]", "[16, 96, 16]"}, {
    "[16, 32, 16]", "union", "[48, 96, 16]", "[16, 96, 16]"}, {
    "[112, 192, 16]", "union", "[48, 96, 16]", "[48, 192, 16]"}, {
    "[16, 32, 16]", "union", "[64, 96, 16]", NULL}, {
  "[112, 192, 16]", "union", "[48, 96, 8]", NULL},};

  for (n = 0; n < G_N_ELEMENTS (ranges); ++n) {
    gchar *end = NULL;
    GValue dest = { 0 };
    gboolean ret;

    str1 = g_strdup_printf ("foo/bar, range=%s", ranges[n].set1);
    s1 = gst_structure_from_string (str1, &end);
    fail_unless (s1 != NULL);
    fail_unless (*end == '\0');
    v1 = gst_structure_get_value (s1, "range");
    fail_unless (v1 != NULL);

    str2 = g_strdup_printf ("foo/bar, range=%s", ranges[n].set2);
    s2 = gst_structure_from_string (str2, &end);
    fail_unless (s2 != NULL);
    fail_unless (*end == '\0');
    v2 = gst_structure_get_value (s2, "range");
    fail_unless (v2 != NULL);

    if (!strcmp (ranges[n].op, "inter")) {
      ret = gst_value_intersect (&dest, v1, v2);
    } else if (!strcmp (ranges[n].op, "union")) {
      ret = gst_value_union (&dest, v1, v2);
    } else {
      fail_unless (FALSE);
      ret = FALSE;
    }

    if (ranges[n].result) {
      fail_unless (ret);
    } else {
      fail_unless (!ret);
    }

    if (ret) {
      str3 = g_strdup_printf ("foo/bar, range=%s", ranges[n].result);
      s3 = gst_structure_from_string (str3, &end);
      fail_unless (s3 != NULL);
      fail_unless (*end == '\0');
      v3 = gst_structure_get_value (s3, "range");
      fail_unless (v3 != NULL);

      if (gst_value_compare (&dest, v3) != GST_VALUE_EQUAL) {
        GST_ERROR ("%s %s %s yielded %s, expected %s", str1, ranges[n].op, str2,
            gst_value_serialize (&dest), gst_value_serialize (v3));
        fail_unless (FALSE);
      }

      gst_structure_free (s3);
      g_free (str3);

      g_value_unset (&dest);
    }

    gst_structure_free (s2);
    g_free (str2);
    gst_structure_free (s1);
    g_free (str1);
  }
}

GST_END_TEST;

static Suite *
gst_value_suite (void)
{
  Suite *s = suite_create ("GstValue");
  TCase *tc_chain = tcase_create ("general");

  suite_add_tcase (s, tc_chain);
  tcase_add_test (tc_chain, test_deserialize_buffer);
  tcase_add_test (tc_chain, test_serialize_buffer);
  tcase_add_test (tc_chain, test_deserialize_gint);
  tcase_add_test (tc_chain, test_deserialize_gint_failures);
  tcase_add_test (tc_chain, test_deserialize_guint);
  tcase_add_test (tc_chain, test_deserialize_guint_failures);
  tcase_add_test (tc_chain, test_deserialize_gint64);
  tcase_add_test (tc_chain, test_deserialize_guint64);
  tcase_add_test (tc_chain, test_deserialize_guchar);
  tcase_add_test (tc_chain, test_deserialize_gstfraction);
  tcase_add_test (tc_chain, test_deserialize_bitmask);
  tcase_add_test (tc_chain, test_serialize_flags);
  tcase_add_test (tc_chain, test_deserialize_flags);
  tcase_add_test (tc_chain, test_serialize_deserialize_format_enum);
  tcase_add_test (tc_chain, test_string);
  tcase_add_test (tc_chain, test_deserialize_string);
  tcase_add_test (tc_chain, test_value_compare);
  tcase_add_test (tc_chain, test_value_intersect);
  tcase_add_test (tc_chain, test_value_subtract_int);
  tcase_add_test (tc_chain, test_value_subtract_int64);
  tcase_add_test (tc_chain, test_value_subtract_double);
  tcase_add_test (tc_chain, test_value_subtract_fraction);
  tcase_add_test (tc_chain, test_value_subtract_fraction_range);
  tcase_add_test (tc_chain, test_value_subtract_fraction_list);
  tcase_add_test (tc_chain, test_date);
  tcase_add_test (tc_chain, test_date_time);
  tcase_add_test (tc_chain, test_fraction_range);
  tcase_add_test (tc_chain, test_serialize_deserialize_caps);
  tcase_add_test (tc_chain, test_int_range);
  tcase_add_test (tc_chain, test_int64_range);
  tcase_add_test (tc_chain, test_serialize_int64_range);
  tcase_add_test (tc_chain, test_deserialize_int_range);
  tcase_add_test (tc_chain, test_stepped_range_collection);
  tcase_add_test (tc_chain, test_stepped_int_range_parsing);
  tcase_add_test (tc_chain, test_stepped_int_range_ops);

  return s;
}

GST_CHECK_MAIN (gst_value);