qtest: add a fuzz test to fdc-test

Add a simple register fuzzing test to floppy controller tests.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2012-05-17 18:55:58 +00:00
parent cced7a13a2
commit 3359847e9d

View File

@ -250,6 +250,22 @@ static void test_media_change(void)
assert_bit_set(dir, DSKCHG);
}
/* success if no crash or abort */
static void fuzz_registers(void)
{
unsigned int i;
for (i = 0; i < 1000; i++) {
uint8_t reg, val;
reg = (uint8_t)g_test_rand_int_range(0, 8);
val = (uint8_t)g_test_rand_int_range(0, 256);
outb(FLOPPY_BASE + reg, val);
inb(FLOPPY_BASE + reg);
}
}
int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();
@ -281,6 +297,7 @@ int main(int argc, char **argv)
qtest_add_func("/fdc/no_media_on_start", test_no_media_on_start);
qtest_add_func("/fdc/read_without_media", test_read_without_media);
qtest_add_func("/fdc/media_change", test_media_change);
qtest_add_func("/fdc/fuzz-registers", fuzz_registers);
ret = g_test_run();