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-rw-r--r--base/rand_util_unittest.cc13
1 files changed, 13 insertions, 0 deletions
diff --git a/base/rand_util_unittest.cc b/base/rand_util_unittest.cc
index 3bdb815..d7fa37a 100644
--- a/base/rand_util_unittest.cc
+++ b/base/rand_util_unittest.cc
@@ -28,6 +28,19 @@ TEST(RandUtilTest, RandDouble) {
EXPECT_LE(0.0, number);
}
+TEST(RandUtilTest, RandBytes) {
+ const size_t buffer_size = 145;
+ char buffer[buffer_size];
+ memset(buffer, 0, buffer_size);
+ base::RandBytes(buffer, buffer_size);
+ char accumulator = 0;
+ for(size_t i = 0; i < buffer_size; ++i)
+ accumulator |= buffer[i];
+ // In theory this test can fail, but it won't before the universe dies of
+ // heat death.
+ EXPECT_NE(0, accumulator);
+}
+
TEST(RandUtilTest, RandBytesAsString) {
std::string random_string = base::RandBytesAsString(0);
EXPECT_EQ(0U, random_string.size());