[Intel-gfx] [PATCH i-g-t] tests/kms_pipe_crc_basic: expect setting bad source to fail

[Maarten Lankhorst]

Op 02-07-18 om 13:27 schreef Maarten Lankhorst:
> Op 02-07-18 om 13:16 schreef Mahesh Kumar:
>> Now crc-core framework verifies the source string passed by the user.
>> So setting bad-source will fail. Expect file write to fail in bad-source
>> subtest of kms_pipe_crc_basic.
>>
>> Signed-off-by: Mahesh Kumar <mahesh1.kumar at intel.com>
>> ---
>>  tests/kms_pipe_crc_basic.c | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/tests/kms_pipe_crc_basic.c b/tests/kms_pipe_crc_basic.c
>> index 235fdc38..2d4dfee8 100644
>> --- a/tests/kms_pipe_crc_basic.c
>> +++ b/tests/kms_pipe_crc_basic.c
>> @@ -48,8 +48,7 @@ static struct {
>>  
>>  static void test_bad_source(data_t *data)
>>  {
>> -	igt_assert(igt_sysfs_set(data->debugfs, "crtc-0/crc/control", "foo"));
>> -	igt_assert(openat(data->debugfs, "crtc-0/crc/data", O_WRONLY) == -1);
>> +	igt_assert(!igt_sysfs_set(data->debugfs, "crtc-0/crc/control", "foo"));
>>  }
>>  
>>  #define N_CRCS	3
> New behavior makes more sense.
>
> Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
>
> Do you have igt commit rights?
>
Any objections if we change this to allow both behaviors?

diff --git a/tests/kms_pipe_crc_basic.c b/tests/kms_pipe_crc_basic.c
index 235fdc386ba2..91909fa42f2f 100644
--- a/tests/kms_pipe_crc_basic.c
+++ b/tests/kms_pipe_crc_basic.c
@@ -48,8 +48,11 @@ static struct {
 
 static void test_bad_source(data_t *data)
 {
-	igt_assert(igt_sysfs_set(data->debugfs, "crtc-0/crc/control", "foo"));
-	igt_assert(openat(data->debugfs, "crtc-0/crc/data", O_WRONLY) == -1);
+	errno = 0;
+	if (igt_sysfs_set(data->debugfs, "crtc-0/crc/control", "foo"))
+		igt_assert(openat(data->debugfs, "crtc-0/crc/data", O_WRONLY) == -1);
+	else
+		igt_assert_eq(errno, EINVAL);
 }
 
 #define N_CRCS	3