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unittest/sys_color: extend test

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This commit is contained in:
Karl Fessel 2023-05-31 17:49:19 +02:00
parent d742513b62
commit 8f8e29d9bd
1 changed files with 87 additions and 13 deletions
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100
tests/unittests/tests-color/tests-color.c
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@ -18,9 +18,11 @@
#include "color.h"
#include "container.h"
#include "tests-color.h"
#define HSV_EPSILON (1E-10f)
#define HSV_EPSILON (1E-2f)
static void test_str2rgb_upper_case__success(void)
{
@ -75,20 +77,91 @@ static void test_rgb2hex__success(void)
TEST_ASSERT_EQUAL_INT(0x000AB13C, hex);
}
static void test_rgb2hsv__black(void)
static void test_rgb2hsv(void)
{
color_hsv_t hsv;
color_rgb_t rgb = { .r = 0x00, .g = 0x00, .b = 0x00 };
struct { color_hsv_t hsv; color_rgb_t rgb; } h_r[] = {
{ { 0, 0, 0 }, { 0, 0, 0 } }, /*Black*/
{ { 0, 0, 100 }, { 255, 255, 255 } }, /*White*/
{ { 0, 100, 100 }, { 255, 0, 0 } }, /*Red*/
{ { 120, 100, 100 }, { 0, 255, 0 } }, /*Lime*/
{ { 240, 100, 100 }, { 0, 0, 255 } }, /*Blue*/
{ { 60, 100, 100 }, { 255, 255, 0 } }, /*Yellow*/
{ { 180, 100, 100 }, { 0, 255, 255 } }, /*Cyan*/
{ { 300, 100, 100 }, { 255, 0, 255 } }, /*Magenta*/
{ { 0, 0, 75 }, { 191, 191, 191 } }, /*Silver*/
{ { 0, 0, 50 }, { 128, 128, 128 } }, /*Gray*/
{ { 0, 100, 50 }, { 128, 0, 0 } }, /*Maroon*/
{ { 60, 100, 50 }, { 128, 128, 0 } }, /*Olive*/
{ { 120, 100, 50 }, { 0, 128, 0 } }, /*Green*/
{ { 300, 100, 50 }, { 128, 0, 128 } }, /*Purple*/
{ { 180, 100, 50 }, { 0, 128, 128 } }, /*Teal*/
{ { 240, 100, 50 }, { 0, 0, 128 } } /*Navy*/
};
unsigned len = ARRAY_SIZE(h_r);
color_rgb2hsv(&rgb, &hsv);
for (unsigned i = 0; i < len; i++) {
color_hsv_t hsv_o = { .h = h_r[i].hsv.h,
.s = h_r[i].hsv.s / 100,
.v = h_r[i].hsv.v / 100 };
color_rgb_t rgb_o = { .r = h_r[i].rgb.r,
.g = h_r[i].rgb.g,
.b = h_r[i].rgb.b };
/* XXX floats should never be compared for equality, so we check if we
* are within HSV_EPSILON of tolerance */
TEST_ASSERT(-HSV_EPSILON <= hsv.s);
TEST_ASSERT(-HSV_EPSILON <= hsv.v);
TEST_ASSERT( HSV_EPSILON >= hsv.s);
TEST_ASSERT( HSV_EPSILON >= hsv.v);
/* Hue for black is undefined so we don't check it */
color_hsv_t hsv;
color_rgb2hsv(&rgb_o, &hsv);
/* XXX floats should never be compared for equality, so we check if we
* are within HSV_EPSILON of tolerance */
TEST_ASSERT(-HSV_EPSILON <= hsv.s - hsv_o.s);
TEST_ASSERT( HSV_EPSILON >= hsv.s - hsv_o.s);
TEST_ASSERT(-HSV_EPSILON <= hsv.v - hsv_o.v);
TEST_ASSERT( HSV_EPSILON >= hsv.v - hsv_o.v);
/* Hue for grey is undefined so we don't check it */
if (hsv.s >= 0.0001f) {
TEST_ASSERT(-HSV_EPSILON <= hsv.h - hsv_o.h);
TEST_ASSERT( HSV_EPSILON >= hsv.h - hsv_o.h);
}
}
}
static void test_hsv2rgb(void)
{
struct { color_hsv_t hsv; color_rgb_t rgb; } h_r[] = {
{ { 0, 0, 0 }, { 0, 0, 0 } }, /*Black*/
{ { 0, 0, 100 }, { 255, 255, 255 } }, /*White*/
{ { 0, 100, 100 }, { 255, 0, 0 } }, /*Red*/
{ { 120, 100, 100 }, { 0, 255, 0 } }, /*Lime*/
{ { 240, 100, 100 }, { 0, 0, 255 } }, /*Blue*/
{ { 60, 100, 100 }, { 255, 255, 0 } }, /*Yellow*/
{ { 180, 100, 100 }, { 0, 255, 255 } }, /*Cyan*/
{ { 300, 100, 100 }, { 255, 0, 255 } }, /*Magenta*/
{ { 0, 0, 75 }, { 191, 191, 191 } }, /*Silver*/
{ { 0, 0, 50 }, { 128, 128, 128 } }, /*Gray*/
{ { 0, 100, 50 }, { 128, 0, 0 } }, /*Maroon*/
{ { 60, 100, 50 }, { 128, 128, 0 } }, /*Olive*/
{ { 120, 100, 50 }, { 0, 128, 0 } }, /*Green*/
{ { 300, 100, 50 }, { 128, 0, 128 } }, /*Purple*/
{ { 180, 100, 50 }, { 0, 128, 128 } }, /*Teal*/
{ { 240, 100, 50 }, { 0, 0, 128 } } /*Navy*/
};
unsigned len = ARRAY_SIZE(h_r);
for (unsigned i = 0; i < len; i++) {
color_hsv_t hsv_o = { .h = h_r[i].hsv.h,
.s = h_r[i].hsv.s / 100,
.v = h_r[i].hsv.v / 100 };
color_rgb_t rgb_o = { .r = h_r[i].rgb.r,
.g = h_r[i].rgb.g,
.b = h_r[i].rgb.b };
color_rgb_t rgb;
color_hsv2rgb(&hsv_o, &rgb);
TEST_ASSERT(rgb.r <= rgb_o.r + 1 && rgb.r >= rgb_o.r - 1);
TEST_ASSERT(rgb.g <= rgb_o.g + 1 && rgb.g >= rgb_o.g - 1);
TEST_ASSERT(rgb.b <= rgb_o.b + 1 && rgb.b >= rgb_o.b - 1);
}
}
static void test_rgb_invert__success(void)
@ -126,7 +199,8 @@ Test *tests_color_tests(void)
new_TestFixture(test_hex2rgb__success),
new_TestFixture(test_rgb2hex__success),
new_TestFixture(test_rgb2str__success),
new_TestFixture(test_rgb2hsv__black),
new_TestFixture(test_rgb2hsv),
new_TestFixture(test_hsv2rgb),
new_TestFixture(test_rgb_invert__success),
new_TestFixture(test_rgb_complementary__success),
};