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// Copyright (c) 2012 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 "content/renderer/render_thread_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
#include <string>
namespace content {
class RenderThreadImplUnittest : public testing::Test {
public:
RenderThreadImplUnittest()
: kCustomizableHistogram_("Histogram1"),
kNormalHistogram_("Histogram2") {}
virtual ~RenderThreadImplUnittest() {}
protected:
virtual void SetUp() OVERRIDE {
histogram_customizer_.custom_histograms_.clear();
histogram_customizer_.custom_histograms_.insert(kCustomizableHistogram_);
}
RenderThreadImpl::HistogramCustomizer histogram_customizer_;
const char* kCustomizableHistogram_;
const char* kNormalHistogram_;
};
TEST_F(RenderThreadImplUnittest, CustomHistogramsWithNoNavigations) {
// First there is no page -> no custom histograms.
EXPECT_EQ(kCustomizableHistogram_,
histogram_customizer_.ConvertToCustomHistogramName(
kCustomizableHistogram_));
EXPECT_EQ(kNormalHistogram_,
histogram_customizer_.ConvertToCustomHistogramName(
kNormalHistogram_));
}
TEST_F(RenderThreadImplUnittest, CustomHistogramsForOneRenderView) {
histogram_customizer_.RenderViewNavigatedToHost("mail.google.com", 1);
EXPECT_EQ(std::string(kCustomizableHistogram_) + ".gmail",
histogram_customizer_.ConvertToCustomHistogramName(
kCustomizableHistogram_));
EXPECT_EQ(kNormalHistogram_,
histogram_customizer_.ConvertToCustomHistogramName(
kNormalHistogram_));
histogram_customizer_.RenderViewNavigatedToHost("docs.google.com", 1);
EXPECT_EQ(std::string(kCustomizableHistogram_) + ".docs",
histogram_customizer_.ConvertToCustomHistogramName(
kCustomizableHistogram_));
histogram_customizer_.RenderViewNavigatedToHost("nottracked.com", 1);
EXPECT_EQ(kCustomizableHistogram_,
histogram_customizer_.ConvertToCustomHistogramName(
kCustomizableHistogram_));
}
TEST_F(RenderThreadImplUnittest, CustomHistogramsForTwoRenderViews) {
// First there is only one view.
histogram_customizer_.RenderViewNavigatedToHost("mail.google.com", 1);
// Second view created and it navigates to the same host -> we can have a
// custom diagram.
histogram_customizer_.RenderViewNavigatedToHost("mail.google.com", 2);
EXPECT_EQ(std::string(kCustomizableHistogram_) + ".gmail",
histogram_customizer_.ConvertToCustomHistogramName(
kCustomizableHistogram_));
EXPECT_EQ(kNormalHistogram_,
histogram_customizer_.ConvertToCustomHistogramName(
kNormalHistogram_));
// Now the views diverge (one of them navigates to a different host) -> no
// custom diagram.
histogram_customizer_.RenderViewNavigatedToHost("docs.google.com", 2);
EXPECT_EQ(kCustomizableHistogram_,
histogram_customizer_.ConvertToCustomHistogramName(
kCustomizableHistogram_));
// After this point, there will never be a custom diagram again, even if the
// view navigated back to the common host.
histogram_customizer_.RenderViewNavigatedToHost("mail.google.com", 2);
EXPECT_EQ(kCustomizableHistogram_,
histogram_customizer_.ConvertToCustomHistogramName(
kCustomizableHistogram_));
}
} // namespace content
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