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really add the tests for the 64/double conversion

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Original commit message from CVS:
really add the tests for the 64/double conversion
This commit is contained in:
Thomas Vander Stichele 2005-12-05 12:33:44 +00:00
parent 774d99069c
commit 30dab643af
1 changed files with 54 additions and 0 deletions
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54
tests/check/gst/gstutils.c
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@ -272,6 +272,58 @@ GST_START_TEST (test_math_scale_random)
GST_END_TEST;
GST_START_TEST (test_guint64_to_gdouble)
{
guint64 from[] = { 0, 1, 100, 10000, G_GINT64_CONSTANT (1) << 63,
(G_GINT64_CONSTANT (1) << 63) + 1,
(G_GINT64_CONSTANT (1) << 63) + (G_GINT64_CONSTANT (1) << 62)
};
gdouble to[] = { 0., 1., 100., 10000., 9223372036854775808.,
9223372036854775809., 13835058055282163712.
};
gdouble tolerance[] = { 0., 0., 0., 0., 0., 1., 1. };
gint i;
gdouble result;
gdouble delta;
for (i = 0; i < G_N_ELEMENTS (from); ++i) {
result = gst_util_guint64_to_gdouble (from[i]);
delta = ABS (to[i] - result);
fail_unless (delta <= tolerance[i],
"Could not convert %d: %" G_GUINT64_FORMAT
" -> %f, got %f instead, delta of %e with tolerance of %e",
i, from[i], to[i], result, delta, tolerance[i]);
}
}
GST_END_TEST;
GST_START_TEST (test_gdouble_to_guint64)
{
gdouble from[] = { 0., 1., 100., 10000., 9223372036854775808.,
9223372036854775809., 13835058055282163712.
};
guint64 to[] = { 0, 1, 100, 10000, G_GINT64_CONSTANT (1) << 63,
(G_GINT64_CONSTANT (1) << 63) + 1,
(G_GINT64_CONSTANT (1) << 63) + (G_GINT64_CONSTANT (1) << 62)
};
guint64 tolerance[] = { 0, 0, 0, 0, 0, 1, 1 };
gint i;
gdouble result;
guint64 delta;
for (i = 0; i < G_N_ELEMENTS (from); ++i) {
result = gst_util_gdouble_to_guint64 (from[i]);
delta = ABS (to[i] - result);
fail_unless (delta <= tolerance[i],
"Could not convert %f: %" G_GUINT64_FORMAT
" -> %d, got %d instead, delta of %e with tolerance of %e",
i, from[i], to[i], result, delta, tolerance[i]);
}
}
GST_END_TEST;
Suite *
gst_utils_suite (void)
{
@ -284,6 +336,8 @@ gst_utils_suite (void)
tcase_add_test (tc_chain, test_math_scale);
tcase_add_test (tc_chain, test_math_scale_uint64);
tcase_add_test (tc_chain, test_math_scale_random);
tcase_add_test (tc_chain, test_guint64_to_gdouble);
tcase_add_test (tc_chain, test_gdouble_to_guint64);
return s;
}