naiveproxy/net/third_party/quic/test_tools/mock_random.h

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2018-08-11 08:35:24 +03:00
// 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 net {
namespace test {
class MockRandom : public QuicRandom {
public:
// Initializes base_ to 0xDEADBEEF.
MockRandom();
explicit MockRandom(uint32_t base);
// 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;
// Does nothing.
void Reseed(const void* additional_entropy, size_t entropy_len) 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_;
DISALLOW_COPY_AND_ASSIGN(MockRandom);
};
} // namespace test
} // namespace net
#endif // NET_THIRD_PARTY_QUIC_TEST_TOOLS_MOCK_RANDOM_H_