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 #ifndef NET_QUIC_TEST_TOOLS_MOCK_RANDOM_H_ 6 #define NET_QUIC_TEST_TOOLS_MOCK_RANDOM_H_ 7 8 #include "base/compiler_specific.h" 9 #include "net/quic/crypto/quic_random.h" 10 11 namespace net { 12 13 class MockRandom : public QuicRandom { 14 public: 15 // Initializes base_ to 0xDEADBEEF. 16 MockRandom(); 17 explicit MockRandom(uint32 base); 18 19 // QuicRandom: 20 // Fills the |data| buffer with a repeating byte, initially 'r'. 21 virtual void RandBytes(void* data, size_t len) OVERRIDE; 22 // Returns base + the current increment. 23 virtual uint64 RandUint64() OVERRIDE; 24 // Does nothing. 25 virtual void Reseed(const void* additional_entropy, 26 size_t entropy_len) OVERRIDE; 27 28 // ChangeValue increments |increment_|. This causes the value returned by 29 // |RandUint64| and the byte that |RandBytes| fills with, to change. 30 void ChangeValue(); 31 32 private: 33 uint32 base_; 34 uint8 increment_; 35 36 DISALLOW_COPY_AND_ASSIGN(MockRandom); 37 }; 38 39 } // namespace net 40 41 #endif // NET_QUIC_TEST_TOOLS_MOCK_RANDOM_H_ 42