naiveproxy/net/third_party/quic/test_tools/mock_random.h
2018-08-14 22:19:20 +00:00

42 lines
1.2 KiB
C++

// 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.
#ifndef NET_THIRD_PARTY_QUIC_TEST_TOOLS_MOCK_RANDOM_H_
#define NET_THIRD_PARTY_QUIC_TEST_TOOLS_MOCK_RANDOM_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "net/third_party/quic/core/crypto/quic_random.h"
namespace quic {
namespace test {
class MockRandom : public QuicRandom {
public:
// Initializes base_ to 0xDEADBEEF.
MockRandom();
explicit MockRandom(uint32_t base);
MockRandom(const MockRandom&) = delete;
MockRandom& operator=(const MockRandom&) = delete;
// QuicRandom:
// Fills the |data| buffer with a repeating byte, initially 'r'.
void RandBytes(void* data, size_t len) override;
// Returns base + the current increment.
uint64_t RandUint64() override;
// ChangeValue increments |increment_|. This causes the value returned by
// |RandUint64| and the byte that |RandBytes| fills with, to change.
void ChangeValue();
private:
uint32_t base_;
uint8_t increment_;
};
} // namespace test
} // namespace quic
#endif // NET_THIRD_PARTY_QUIC_TEST_TOOLS_MOCK_RANDOM_H_