blob: 846d9b66f3d5419b8cf34ebe40a551a26f6eab20 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "crypto/random.h"
#include "base/strings/string_util.h"
#include "testing/gtest/include/gtest/gtest.h"
// Basic functionality tests. Does NOT test the security of the random data.
// Ensures we don't have all trivial data, i.e. that the data is indeed random.
// Currently, that means the bytes cannot be all the same (e.g. all zeros).
bool IsTrivial(const std::string& bytes) {
for (size_t i = 0; i < bytes.size(); i++) {
if (bytes[i] != bytes[0]) {
return false;
return true;
TEST(RandBytes, RandBytes) {
std::string bytes(16, '\0');
crypto::RandBytes(WriteInto(&bytes, bytes.size()), bytes.size());