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#include <string> 6 7#include "base/time/time.h" 8#include "base/values.h" 9#include "cc/debug/rendering_stats.h" 10#include "testing/gtest/include/gtest/gtest.h" 11 12namespace cc { 13namespace { 14 15static std::string ToString(const RenderingStats::TimeDeltaList& list) { 16 scoped_refptr<base::debug::TracedValue> value = 17 new base::debug::TracedValue(); 18 value->BeginArray("list_value"); 19 list.AddToTracedValue(value.get()); 20 value->EndArray(); 21 return value->ToString(); 22} 23 24TEST(RenderingStatsTest, TimeDeltaListEmpty) { 25 RenderingStats::TimeDeltaList time_delta_list; 26 EXPECT_EQ("{\"list_value\":[]}", ToString(time_delta_list)); 27} 28 29TEST(RenderingStatsTest, TimeDeltaListNonEmpty) { 30 RenderingStats::TimeDeltaList time_delta_list; 31 time_delta_list.Append(base::TimeDelta::FromMilliseconds(234)); 32 time_delta_list.Append(base::TimeDelta::FromMilliseconds(827)); 33 34 EXPECT_EQ("{\"list_value\":[234.0,827.0]}", ToString(time_delta_list)); 35} 36 37TEST(RenderingStatsTest, TimeDeltaListAdd) { 38 RenderingStats::TimeDeltaList time_delta_list_a; 39 time_delta_list_a.Append(base::TimeDelta::FromMilliseconds(810)); 40 time_delta_list_a.Append(base::TimeDelta::FromMilliseconds(32)); 41 42 RenderingStats::TimeDeltaList time_delta_list_b; 43 time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(43)); 44 time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(938)); 45 time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(2)); 46 47 time_delta_list_a.Add(time_delta_list_b); 48 EXPECT_EQ("{\"list_value\":[810.0,32.0,43.0,938.0,2.0]}", 49 ToString(time_delta_list_a)); 50} 51 52} // namespace 53} // namespace cc 54