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tests/kms_sink_crc_basic: clean up assert_color and provide more details

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We can simply sscanf the crc in one go. Also split up the igt asserts to
get better details about what went wrong.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2016-04-22 13:00:01 +03:00
parent 18170d211c
commit a1e38c52c6
1 changed files with 10 additions and 26 deletions
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36
tests/kms_sink_crc_basic.c
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@ -62,40 +62,24 @@ static void get_crc(char *crc) {
igt_assert(strcmp(crc, CRC_BLACK) != 0);
}
static void assert_color(char *crc, enum color color)
static void assert_color(const char *crc, enum color color)
{
char color_mask[5] = "FFFF\0";
char rs[5], gs[5], bs[5];
unsigned int rh, gh, bh, mask;
unsigned int r, g, b;
int ret;
sscanf(color_mask, "%4x", &mask);
memcpy(rs, &crc[0], 4);
rs[4] = '\0';
ret = sscanf(rs, "%4x", &rh);
igt_require(ret > 0);
memcpy(gs, &crc[4], 4);
gs[4] = '\0';
ret = sscanf(gs, "%4x", &gh);
igt_require(ret > 0);
memcpy(bs, &crc[8], 4);
bs[4] = '\0';
ret = sscanf(bs, "%4x", &bh);
igt_require(ret > 0);
ret = sscanf(crc, "%4x%4x%4x", &r, &g, &b);
igt_assert_eq(ret, 3);
switch (color) {
case RED:
igt_assert((rh & mask) != 0 &&
(gh & mask) == 0 &&
(bh & mask) == 0);
igt_assert_lt(0, r);
igt_assert_eq(0, g);
igt_assert_eq(0, b);
break;
case GREEN:
igt_assert((rh & mask) == 0 &&
(gh & mask) != 0 &&
(bh & mask) == 0);
igt_assert_eq(0, r);
igt_assert_lt(0, g);
igt_assert_eq(0, b);
break;
default:
igt_fail(IGT_EXIT_FAILURE);