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[1/4] qtest: add register fuzzing to RTC test

Message ID CAAu8pHs5cYJJjZQZgOwyZCQ+okcEK5ie_GPs_XrJYYRoJcV25A@mail.gmail.com
State New
Headers show

Commit Message

Blue Swirl April 19, 2012, 8:26 p.m. UTC 
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 tests/rtc-test.c |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)
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Patch

From 85215d419b17aeedbfe93ff8d739b27937f72739 Mon Sep 17 00:00:00 2001
Message-Id: <85215d419b17aeedbfe93ff8d739b27937f72739.1334866660.git.blauwirbel@gmail.com>
From: Blue Swirl <blauwirbel@gmail.com>
Date: Sun, 15 Apr 2012 07:36:49 +0000
Subject: [PATCH 1/4] qtest: add register fuzzing to RTC test

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 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