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100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/* GStreamer
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*
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* fraction.c: test for all GstFraction operations
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*
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* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/gst.h>
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#include <glib.h>
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void
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test (void)
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{
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GValue value1 = { 0 };
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GValue value2 = { 0 };
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GValue value3 = { 0 };
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//gboolean ret;
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/* comparing 2/3 with 3/4 */
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g_value_init (&value1, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value1, 2, 3);
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g_value_init (&value2, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value2, 3, 4);
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g_assert (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
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g_assert (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
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g_assert (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
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g_value_unset (&value1);
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g_value_unset (&value2);
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/* comparing -4/5 with 2/-3 */
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g_value_init (&value1, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value1, -4, 5);
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g_value_init (&value2, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value2, 2, -3);
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g_assert (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
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g_assert (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
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g_assert (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
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g_value_unset (&value1);
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g_value_unset (&value2);
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/* comparing 10/100 with 20/2000 */
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g_value_init (&value1, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value1, 10, 100);
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g_value_init (&value2, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value2, 200, 2000);
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g_assert (gst_value_compare (&value1, &value2) == GST_VALUE_EQUAL);
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g_value_unset (&value1);
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g_value_unset (&value2);
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/* comparing -4/5 with 2/-3 */
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g_value_init (&value1, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value1, -4, 5);
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g_value_init (&value2, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value2, 2, -3);
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g_assert (gst_value_compare (&value1, &value2) == GST_VALUE_LESS_THAN);
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g_assert (gst_value_compare (&value2, &value1) == GST_VALUE_GREATER_THAN);
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g_assert (gst_value_compare (&value1, &value1) == GST_VALUE_EQUAL);
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g_value_unset (&value1);
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g_value_unset (&value2);
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/* multiplying 4/5 with 3/-2 */
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g_value_init (&value1, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value1, 4, 5);
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g_value_init (&value2, GST_TYPE_FRACTION);
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gst_value_set_fraction (&value2, 3, -2);
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g_value_init (&value3, GST_TYPE_FRACTION);
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g_assert (gst_value_fraction_multiply (&value3, &value1, &value2));
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g_assert (gst_value_get_fraction_nominator (&value3) == -6);
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g_assert (gst_value_get_fraction_denominator (&value3) == 5);
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g_value_unset (&value1);
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g_value_unset (&value2);
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g_value_unset (&value3);
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}
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int
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main (int argc, char *argv[])
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{
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gst_init (&argc, &argv);
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test ();
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return 0;
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}
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