diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2020-11-20 11:52:14 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-11-23 12:30:17 +0000 |
| commit | b3b32e10057a05a6e0b0845453179e25228bd018 (patch) | |
| tree | f37d0862c6b091f13b8442b8b0cf5bad2c8dcc38 /tests/fbdev.c | |
| parent | 50064ff65fb7ce5ea0facd143b76aa34d5ff53e2 (diff) | |
tests/fbdev: Add tests for write operations on framebuffer
The write tests check the written buffer against the content of the mapped
framebuffer.
v4:
* replace igt_require() by iqt_assert() in "write" (Petri)
* add write test to CI
v3:
* put igt_describe() before igt_subtest() (Petri)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'tests/fbdev.c')
| -rw-r--r-- | tests/fbdev.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/fbdev.c b/tests/fbdev.c index d6bc70e0..f6e2a091 100644 --- a/tests/fbdev.c +++ b/tests/fbdev.c @@ -144,6 +144,22 @@ static void framebuffer_tests(int fd) pos - buf); } + igt_describe("Check write operations on framebuffer memory"); + igt_subtest("write") { + ssize_t ret; + + /* write to framebuffer and compare */ + for (int i = 0; i < ARRAY_SIZE(values); i++) { + memset(buf, values[i], fix_info.smem_len); + ret = pwrite(fd, buf, fix_info.smem_len, 0); + igt_assert_f(ret == (ssize_t)fix_info.smem_len, + "pwrite failed, ret=%zd\n", ret); + igt_assert_f(!memcmp(map, buf, fix_info.smem_len), + "write differs from mapped framebuffer for %x\n", + values[i]); + } + } + igt_fixture { free(buf); /* don't leave garbage on the screen */ |