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qtest: add a fuzz test to fdc-test

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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
1 changed files with 17 additions and 0 deletions
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17
tests/fdc-test.c
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@ -250,6 +250,22 @@ static void test_media_change(void)
assert_bit_set(dir, DSKCHG); 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) int main(int argc, char **argv)
{ {
const char *arch = qtest_get_arch(); 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/no_media_on_start", test_no_media_on_start);
qtest_add_func("/fdc/read_without_media", test_read_without_media); qtest_add_func("/fdc/read_without_media", test_read_without_media);
qtest_add_func("/fdc/media_change", test_media_change); qtest_add_func("/fdc/media_change", test_media_change);
qtest_add_func("/fdc/fuzz-registers", fuzz_registers);
ret = g_test_run(); ret = g_test_run();