From 85215d419b17aeedbfe93ff8d739b27937f72739 Mon Sep 17 00:00:00 2001 Message-Id: From: Blue Swirl Date: Sun, 15 Apr 2012 07:36:49 +0000 Subject: [PATCH 1/4] qtest: add register fuzzing to RTC test Reviewed-by: Anthony Liguori Signed-off-by: Blue Swirl --- tests/rtc-test.c | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/tests/rtc-test.c b/tests/rtc-test.c index 983a980..f23ac3a 100644 --- a/tests/rtc-test.c +++ b/tests/rtc-test.c @@ -240,6 +240,22 @@ static void alarm_time(void) g_assert(cmos_read(RTC_REG_C) == 0); } +/* 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, 16); + val = (uint8_t)g_test_rand_int_range(0, 256); + + cmos_write(reg, val); + cmos_read(reg); + } +} + int main(int argc, char **argv) { QTestState *s = NULL; @@ -253,6 +269,7 @@ int main(int argc, char **argv) qtest_add_func("/rtc/bcd/check-time", bcd_check_time); qtest_add_func("/rtc/dec/check-time", dec_check_time); qtest_add_func("/rtc/alarm-time", alarm_time); + qtest_add_func("/rtc/fuzz-registers", fuzz_registers); ret = g_test_run(); if (s) { -- 1.7.2.5