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// 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 <string>
#include "base/time/time.h"
#include "base/values.h"
#include "cc/debug/rendering_stats.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
static std::string ToString(const RenderingStats::TimeDeltaList& list) {
scoped_refptr<base::trace_event::TracedValue> value =
new base::trace_event::TracedValue();
list.AddToTracedValue("list_value", value.get());
return value->ToString();
}
TEST(RenderingStatsTest, TimeDeltaListEmpty) {
RenderingStats::TimeDeltaList time_delta_list;
EXPECT_EQ("{\"list_value\":[]}", ToString(time_delta_list));
}
TEST(RenderingStatsTest, TimeDeltaListNonEmpty) {
RenderingStats::TimeDeltaList time_delta_list;
time_delta_list.Append(base::TimeDelta::FromMilliseconds(234));
time_delta_list.Append(base::TimeDelta::FromMilliseconds(827));
EXPECT_EQ("{\"list_value\":[234.0,827.0]}", ToString(time_delta_list));
}
TEST(RenderingStatsTest, TimeDeltaListAdd) {
RenderingStats::TimeDeltaList time_delta_list_a;
time_delta_list_a.Append(base::TimeDelta::FromMilliseconds(810));
time_delta_list_a.Append(base::TimeDelta::FromMilliseconds(32));
RenderingStats::TimeDeltaList time_delta_list_b;
time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(43));
time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(938));
time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(2));
time_delta_list_a.Add(time_delta_list_b);
EXPECT_EQ("{\"list_value\":[810.0,32.0,43.0,938.0,2.0]}",
ToString(time_delta_list_a));
}
} // namespace
} // namespace cc
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