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tests: tag: Adds unit tests for exif helper lib

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Adds some simple unit tests for exif helper lib functions

Fixes #614872
This commit is contained in:
Thiago Santos 2010-04-04 22:25:24 -03:00
parent 6b6a4e85ad
commit 4418dc9cdf
1 changed files with 114 additions and 0 deletions
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114
tests/check/libs/tag.c
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@ -27,6 +27,7 @@
#include <gst/check/gstcheck.h>
#include <gst/tag/tag.h>
#include <gst/base/gstbytewriter.h>
#include <string.h>
GST_START_TEST (test_parse_extended_comment)
@ -852,6 +853,7 @@ GST_START_TEST (test_xmp_parsing)
GST_END_TEST;
static void
tag_list_equals (GstTagList * taglist, GstTagList * taglist2)
{
@ -1036,6 +1038,116 @@ GST_START_TEST (test_xmp_tags_serialization_deserialization)
GST_END_TEST;
GST_START_TEST (test_exif_parsing)
{
GstTagList *taglist;
GstBuffer *buf;
GstByteWriter writer;
const gchar *str;
gst_byte_writer_init (&writer);
/* write the IFD */
/* 1 entry */
gst_byte_writer_put_uint16_le (&writer, 1);
/* copyright tag */
/* tag id */
gst_byte_writer_put_uint16_le (&writer, 0x8298);
/* tag type */
gst_byte_writer_put_uint16_le (&writer, 0x2);
/* count */
gst_byte_writer_put_uint32_le (&writer, strlen ("my copyright") + 1);
/* offset */
gst_byte_writer_put_uint32_le (&writer, 8 + 14);
/* data */
gst_byte_writer_put_string (&writer, "my copyright");
buf = gst_byte_writer_reset_and_get_buffer (&writer);
taglist = gst_tag_list_from_exif_buffer (buf, G_LITTLE_ENDIAN, 8);
fail_unless (gst_structure_n_fields (taglist) == 1);
fail_unless (gst_structure_has_field_typed (taglist, GST_TAG_COPYRIGHT,
G_TYPE_STRING));
str = gst_structure_get_string (taglist, GST_TAG_COPYRIGHT);
fail_unless (strcmp (str, "my copyright") == 0);
gst_tag_list_free (taglist);
gst_buffer_unref (buf);
}
GST_END_TEST;
static void
do_exif_tag_serialization_deserialization (const gchar * gsttag, GValue * value)
{
GstTagList *taglist = gst_tag_list_new ();
GstTagList *taglist2;
GstBuffer *buf;
gst_tag_list_add_value (taglist, GST_TAG_MERGE_REPLACE, gsttag, value);
/* LE */
buf = gst_tag_list_to_exif_buffer (taglist, G_LITTLE_ENDIAN, 0);
taglist2 = gst_tag_list_from_exif_buffer (buf, G_LITTLE_ENDIAN, 0);
gst_buffer_unref (buf);
tag_list_equals (taglist, taglist2);
gst_tag_list_free (taglist2);
/* BE */
buf = gst_tag_list_to_exif_buffer (taglist, G_BIG_ENDIAN, 0);
taglist2 = gst_tag_list_from_exif_buffer (buf, G_BIG_ENDIAN, 0);
gst_buffer_unref (buf);
tag_list_equals (taglist, taglist2);
gst_tag_list_free (taglist2);
/* APP1 */
buf = gst_tag_list_to_exif_buffer_with_tiff_header (taglist);
taglist2 = gst_tag_list_from_exif_buffer_with_tiff_header (buf);
gst_buffer_unref (buf);
tag_list_equals (taglist, taglist2);
gst_tag_list_free (taglist2);
gst_tag_list_free (taglist);
}
GST_START_TEST (test_exif_tags_serialization_deserialization)
{
GValue value = { 0 };
g_value_init (&value, G_TYPE_STRING);
g_value_set_static_string (&value, "my string");
do_exif_tag_serialization_deserialization (GST_TAG_COPYRIGHT, &value);
g_value_set_static_string (&value, "ty");
do_exif_tag_serialization_deserialization (GST_TAG_ARTIST, &value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_DOUBLE);
g_value_set_double (&value, 30.5);
do_exif_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LATITUDE,
&value);
g_value_set_double (&value, -12.125);
do_exif_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LATITUDE,
&value);
g_value_set_double (&value, 0);
do_exif_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LONGITUDE,
&value);
g_value_set_double (&value, 65.0);
do_exif_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LONGITUDE,
&value);
g_value_set_double (&value, -0.75);
do_exif_tag_serialization_deserialization (GST_TAG_GEO_LOCATION_LONGITUDE,
&value);
g_value_unset (&value);
}
GST_END_TEST;
static Suite *
tag_suite (void)
@ -1053,6 +1165,8 @@ tag_suite (void)
tcase_add_test (tc_chain, test_xmp_formatting);
tcase_add_test (tc_chain, test_xmp_parsing);
tcase_add_test (tc_chain, test_xmp_tags_serialization_deserialization);
tcase_add_test (tc_chain, test_exif_parsing);
tcase_add_test (tc_chain, test_exif_tags_serialization_deserialization);
return s;
}