1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "net/quic/crypto/quic_random.h"
6
7#include "testing/gtest/include/gtest/gtest.h"
8
9namespace net {
10namespace test {
11
12TEST(QuicRandomTest, RandBytes) {
13  unsigned char buf1[16];
14  unsigned char buf2[16];
15  memset(buf1, 0xaf, sizeof(buf1));
16  memset(buf2, 0xaf, sizeof(buf2));
17  ASSERT_EQ(0, memcmp(buf1, buf2, sizeof(buf1)));
18
19  QuicRandom* rng = QuicRandom::GetInstance();
20  rng->RandBytes(buf1, sizeof(buf1));
21  EXPECT_NE(0, memcmp(buf1, buf2, sizeof(buf1)));
22}
23
24TEST(QuicRandomTest, RandUint64) {
25  QuicRandom* rng = QuicRandom::GetInstance();
26  uint64 value1 = rng->RandUint64();
27  uint64 value2 = rng->RandUint64();
28  EXPECT_NE(value1, value2);
29}
30
31TEST(QuicRandomTest, Reseed) {
32  char buf[1024];
33  memset(buf, 0xaf, sizeof(buf));
34
35  QuicRandom* rng = QuicRandom::GetInstance();
36  rng->Reseed(buf, sizeof(buf));
37}
38
39}  // namespace test
40}  // namespace net
41