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1 // Copyright 2014 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 CC_TEST_TEST_NOW_SOURCE_H_ | |
6 #define CC_TEST_TEST_NOW_SOURCE_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/logging.h" | |
12 #include "base/trace_event/trace_event.h" | |
13 #include "base/trace_event/trace_event_argument.h" | |
14 | |
15 namespace cc { | |
16 | |
17 class TestNowSource : public base::RefCounted<TestNowSource> { | |
18 public: | |
19 static scoped_refptr<TestNowSource> Create(); | |
20 static scoped_refptr<TestNowSource> Create(int64_t initial); | |
21 static scoped_refptr<TestNowSource> Create(base::TimeTicks initial); | |
22 | |
23 virtual void Reset(); | |
24 virtual base::TimeTicks Now() const; | |
25 virtual void SetNow(base::TimeTicks time); | |
26 virtual void AdvanceNow(base::TimeDelta period); | |
27 | |
28 // Convenience functions to make it the now source easier to use in unit | |
29 // tests. | |
30 void AdvanceNowMicroseconds(int64_t period_in_microseconds); | |
31 void SetNowMicroseconds(int64_t time_in_microseconds); | |
32 | |
33 static const base::TimeTicks kAbsoluteMaxNow; | |
34 | |
35 // Tracing functions | |
36 scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const; | |
37 void AsValueInto(base::trace_event::TracedValue* state) const; | |
38 std::string ToString() const; | |
39 | |
40 int NumNowCalls() const { return num_now_calls_; } | |
41 | |
42 protected: | |
43 TestNowSource(); | |
44 explicit TestNowSource(int64_t initial); | |
45 explicit TestNowSource(base::TimeTicks initial); | |
46 | |
47 base::TimeTicks initial_; | |
48 base::TimeTicks now_; | |
49 mutable int num_now_calls_; | |
50 | |
51 private: | |
52 friend class base::RefCounted<TestNowSource>; | |
53 virtual ~TestNowSource(); | |
54 }; | |
55 | |
56 // gtest pretty printing functions | |
57 void PrintTo(const scoped_refptr<TestNowSource>& src, ::std::ostream* os); | |
58 ::std::ostream& operator<<(::std::ostream& os, | |
59 const scoped_refptr<TestNowSource>& src); | |
60 | |
61 } // namespace cc | |
62 | |
63 #endif // CC_TEST_TEST_NOW_SOURCE_H_ | |
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