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tests: Add a test for the RGB <-> HSL functions

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Reviewed-by: Robert Bragg <robert@linux.intel.com>

(cherry picked from commit 32d67c2bf40641b2d1d30fa2d994013c3e6ce5bc)
This commit is contained in:
Damien Lespiau 2013-05-14 21:26:30 +01:00 committed by Robert Bragg
parent 5858cac873
commit 1c3cd74211
3 changed files with 47 additions and 0 deletions
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1
tests/conform/Makefile.am
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@ -29,6 +29,7 @@ test_sources = \
test-blend-strings.c \
test-blend.c \
test-depth-test.c \
test-color-hsl.c \
test-color-mask.c \
test-backface-culling.c \
test-just-vertex-shader.c \

45
tests/conform/test-color-hsl.c Normal file
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@ -0,0 +1,45 @@
#include <math.h>
#include <string.h>
#include <cogl/cogl.h>
#include "test-utils.h"
#define cogl_assert_float(a, b) \
do { \
if (fabsf ((a) - (b)) >= 0.0001f) \
g_assert_cmpfloat ((a), ==, (b)); \
} while (0)
void
test_color_hsl (void)
{
CoglColor color;
float hue, saturation, luminance;
cogl_color_init_from_4ub(&color, 108, 198, 78, 255);
cogl_color_to_hsl(&color, &hue, &saturation, &luminance);
cogl_assert_float(hue, 105.f);
cogl_assert_float(saturation, 0.512821);
cogl_assert_float(luminance, 0.541176);
memset(&color, 0, sizeof (CoglColor));
cogl_color_init_from_hsl(&color, hue, saturation, luminance);
g_assert_cmpint (color.red, ==, 108);
g_assert_cmpint (color.green, ==, 198);
g_assert_cmpint (color.blue, ==, 78);
g_assert_cmpint (color.alpha, ==, 255);
memset(&color, 0, sizeof (CoglColor));
cogl_color_init_from_hsl(&color, hue, 0, luminance);
cogl_assert_float(color.red / 255.0f, luminance);
cogl_assert_float(color.green / 255.0f, luminance);
cogl_assert_float(color.blue / 255.0f, luminance);
cogl_assert_float(color.alpha / 255.0f, 1.0f);
if (cogl_test_verbose ())
g_print ("OK\n");
}

1
tests/conform/test-conform-main.c
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@ -135,6 +135,7 @@ main (int argc, char **argv)
0);
ADD_TEST (test_euler_quaternion, 0, 0);
ADD_TEST (test_color_hsl, 0, 0);
ADD_TEST (test_fence, TEST_REQUIREMENT_FENCE, 0);