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// Copyright (c) 2015 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 "base/test/histogram_tester.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/page_load_metrics/browser/metrics_web_contents_observer.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
namespace page_load_metrics {
class MetricsWebContentsObserverBrowserTest : public InProcessBrowserTest {
public:
MetricsWebContentsObserverBrowserTest(){};
~MetricsWebContentsObserverBrowserTest() override{};
protected:
base::HistogramTester histogram_tester_;
DISALLOW_COPY_AND_ASSIGN(MetricsWebContentsObserverBrowserTest);
};
IN_PROC_BROWSER_TEST_F(MetricsWebContentsObserverBrowserTest, NoNavigation) {
ASSERT_TRUE(embedded_test_server()->Start());
histogram_tester_.ExpectTotalCount(kHistogramDomContentLoaded, 0);
histogram_tester_.ExpectTotalCount(kHistogramLoad, 0);
histogram_tester_.ExpectTotalCount(kHistogramFirstLayout, 0);
}
IN_PROC_BROWSER_TEST_F(MetricsWebContentsObserverBrowserTest, NewPage) {
ASSERT_TRUE(embedded_test_server()->Start());
ui_test_utils::NavigateToURL(browser(),
embedded_test_server()->GetURL("/title1.html"));
ui_test_utils::NavigateToURL(browser(),
embedded_test_server()->GetURL("/title2.html"));
histogram_tester_.ExpectTotalCount(kHistogramDomContentLoaded, 1);
histogram_tester_.ExpectTotalCount(kHistogramLoad, 1);
histogram_tester_.ExpectTotalCount(kHistogramFirstLayout, 1);
}
IN_PROC_BROWSER_TEST_F(MetricsWebContentsObserverBrowserTest, AnchorLink) {
ASSERT_TRUE(embedded_test_server()->Start());
ui_test_utils::NavigateToURL(browser(),
embedded_test_server()->GetURL("/title1.html"));
ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/title1.html#hash"));
ui_test_utils::NavigateToURL(browser(),
embedded_test_server()->GetURL("/title2.html"));
histogram_tester_.ExpectTotalCount(kHistogramDomContentLoaded, 1);
histogram_tester_.ExpectTotalCount(kHistogramLoad, 1);
histogram_tester_.ExpectTotalCount(kHistogramFirstLayout, 1);
}
} // namespace page_load_metrics
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