diff options
| author | Ben Widawsky <ben@bwidawsk.net> | 2012-10-15 10:05:56 -0700 |
|---|---|---|
| committer | Ben Widawsky <ben@bwidawsk.net> | 2012-10-15 10:05:56 -0700 |
| commit | dc3ac00f033245155c765f308fe76088f9f5bfc0 (patch) | |
| tree | 46303206c55eaab03aa2ca1234aeedb826d42139 /tests/sysfs_rps.c | |
| parent | 50d46750d90b30a06d15583abe693550955ebd50 (diff) | |
sysfs_rps: Add negative test case for bad values
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Diffstat (limited to 'tests/sysfs_rps.c')
| -rw-r--r-- | tests/sysfs_rps.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/tests/sysfs_rps.c b/tests/sysfs_rps.c index 833c2e97..94c43827 100644 --- a/tests/sysfs_rps.c +++ b/tests/sysfs_rps.c @@ -74,12 +74,20 @@ static int readval(FILE *filp) return val; } -static void writeval(FILE *filp, int val) +static int do_writeval(FILE *filp, int val, int lerrno) { + /* Must write twice to sysfs since the first one simply calculates the size and won't return the error */ + int ret; rewind(filp); - fprintf(filp, "%d", val); + ret = fprintf(filp, "%d", val); + rewind(filp); + ret = fprintf(filp, "%d", val); + if (ret && lerrno) + assert(errno = lerrno); fflush(filp); + return ret; } +#define writeval(filp, val) do_writeval(filp, val, 0) #define fcur (readval(stuff[CUR].filp)) #define fmin (readval(stuff[MIN].filp)) @@ -176,6 +184,9 @@ int main(int argc, char *argv[]) writeval(stuff[MAX].filp, fmin - 1); checkit(); + do_writeval(stuff[MIN].filp, 0x11111110, EINVAL); + do_writeval(stuff[MAX].filp, 0, EINVAL); + writeval(stuff[MIN].filp, origmin); writeval(stuff[MAX].filp, origmax); |