From 1ccf05afa5560127b9ccf88348bddf4a2765fe95 Mon Sep 17 00:00:00 2001 Message-Id: From: Blue Swirl Date: Thu, 17 May 2012 18:55:58 +0000 Subject: [PATCH] qtest: add a fuzz test to fdc-test Add a simple register fuzzing test to floppy controller tests. Signed-off-by: Blue Swirl --- tests/fdc-test.c | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/tests/fdc-test.c b/tests/fdc-test.c index 5b5dd74..5a22a31 100644 --- a/tests/fdc-test.c +++ b/tests/fdc-test.c @@ -154,6 +154,22 @@ static void test_media_change(void) assert_bit_clear(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(); @@ -184,6 +200,7 @@ int main(int argc, char **argv) qtest_start(cmdline); qtest_irq_intercept_in(global_qtest, "ioapic"); qtest_add_func("/fdc/media_change", test_media_change); + qtest_add_func("/fdc/fuzz-registers", fuzz_registers); ret = g_test_run(); -- 1.7.2.5