| // Copyright 2014 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. |
| |
| #include <limits> |
| #include <string> |
| |
| #include "cc/test/test_now_source.h" |
| |
| namespace cc { |
| |
| // TestNowSource::Constructors |
| scoped_refptr<TestNowSource> TestNowSource::Create() { |
| return make_scoped_refptr(new TestNowSource()); |
| } |
| |
| scoped_refptr<TestNowSource> TestNowSource::Create(base::TimeTicks initial) { |
| return make_scoped_refptr(new TestNowSource(initial)); |
| } |
| |
| scoped_refptr<TestNowSource> TestNowSource::Create(int64_t initial) { |
| return make_scoped_refptr(new TestNowSource(initial)); |
| } |
| |
| TestNowSource::TestNowSource() |
| : initial_(base::TimeTicks::FromInternalValue(10000)), now_() { |
| Reset(); |
| } |
| |
| TestNowSource::TestNowSource(base::TimeTicks initial) |
| : initial_(initial), now_() { |
| Reset(); |
| } |
| |
| TestNowSource::TestNowSource(int64_t initial) |
| : initial_(base::TimeTicks::FromInternalValue(initial)), now_() { |
| Reset(); |
| } |
| |
| TestNowSource::~TestNowSource() { |
| } |
| |
| // TestNowSource actual functionality |
| void TestNowSource::Reset() { |
| TRACE_EVENT_INSTANT2("cc", |
| "TestNowSource::Reset", |
| TRACE_EVENT_SCOPE_THREAD, |
| "previous", |
| now_, |
| "initial", |
| initial_); |
| now_ = initial_; |
| } |
| |
| base::TimeTicks TestNowSource::Now() const { |
| return now_; |
| } |
| |
| void TestNowSource::SetNow(base::TimeTicks time) { |
| TRACE_EVENT_INSTANT2("cc", |
| "TestNowSource::SetNow", |
| TRACE_EVENT_SCOPE_THREAD, |
| "previous", |
| now_, |
| "new", |
| time); |
| DCHECK(time >= now_); // Time should always go forward. |
| now_ = time; |
| } |
| |
| void TestNowSource::AdvanceNow(base::TimeDelta period) { |
| TRACE_EVENT_INSTANT2("cc", |
| "TestNowSource::AdvanceNow", |
| TRACE_EVENT_SCOPE_THREAD, |
| "previous", |
| now_, |
| "by", |
| period.ToInternalValue()); |
| DCHECK(now_ != kAbsoluteMaxNow); |
| DCHECK(period >= base::TimeDelta()); // Time should always go forward. |
| now_ += period; |
| } |
| |
| const base::TimeTicks TestNowSource::kAbsoluteMaxNow = |
| base::TimeTicks::FromInternalValue(std::numeric_limits<int64_t>::max()); |
| |
| // TestNowSource::Convenience functions |
| void TestNowSource::AdvanceNowMicroseconds(int64_t period_in_microseconds) { |
| AdvanceNow(base::TimeDelta::FromMicroseconds(period_in_microseconds)); |
| } |
| void TestNowSource::SetNowMicroseconds(int64_t time_in_microseconds) { |
| SetNow(base::TimeTicks::FromInternalValue(time_in_microseconds)); |
| } |
| |
| // TestNowSource::Tracing functions |
| void TestNowSource::AsValueInto(base::trace_event::TracedValue* state) const { |
| state->SetInteger("now_in_microseconds", now_.ToInternalValue()); |
| } |
| |
| scoped_refptr<base::trace_event::ConvertableToTraceFormat> |
| TestNowSource::AsValue() const { |
| scoped_refptr<base::trace_event::TracedValue> state = |
| new base::trace_event::TracedValue(); |
| AsValueInto(state.get()); |
| return state; |
| } |
| |
| // TestNowSource::Pretty printing functions |
| std::string TestNowSource::ToString() const { |
| std::string output("TestNowSource("); |
| AsValue()->AppendAsTraceFormat(&output); |
| output += ")"; |
| return output; |
| } |
| |
| ::std::ostream& operator<<(::std::ostream& os, |
| const scoped_refptr<TestNowSource>& src) { |
| os << src->ToString(); |
| return os; |
| } |
| void PrintTo(const scoped_refptr<TestNowSource>& src, ::std::ostream* os) { |
| *os << src; |
| } |
| |
| } // namespace cc |