| // Copyright 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 "chrome/browser/metrics/metrics_memory_details.h" |
| |
| #include "base/bind_helpers.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/test/histogram_tester.h" |
| #include "chrome/test/base/in_process_browser_test.h" |
| #include "content/public/test/test_utils.h" |
| |
| namespace { |
| |
| class TestMemoryDetails : public MetricsMemoryDetails { |
| public: |
| TestMemoryDetails() |
| : MetricsMemoryDetails(base::Bind(&base::DoNothing), nullptr) {} |
| |
| void StartFetchAndWait() { |
| StartFetch(FROM_CHROME_ONLY); |
| content::RunMessageLoop(); |
| } |
| |
| private: |
| ~TestMemoryDetails() override {} |
| |
| void OnDetailsAvailable() override { |
| MetricsMemoryDetails::OnDetailsAvailable(); |
| // Exit the loop initiated by StartFetchAndWait(). |
| base::MessageLoop::current()->QuitWhenIdle(); |
| } |
| |
| DISALLOW_COPY_AND_ASSIGN(TestMemoryDetails); |
| }; |
| |
| } // namespace |
| |
| class MetricsMemoryDetailsBrowserTest : public InProcessBrowserTest { |
| public: |
| MetricsMemoryDetailsBrowserTest() {} |
| ~MetricsMemoryDetailsBrowserTest() override {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(MetricsMemoryDetailsBrowserTest); |
| }; |
| |
| IN_PROC_BROWSER_TEST_F(MetricsMemoryDetailsBrowserTest, TestMemoryDetails) { |
| base::HistogramTester histogram_tester; |
| |
| scoped_refptr<TestMemoryDetails> details(new TestMemoryDetails); |
| details->StartFetchAndWait(); |
| |
| // Memory.Browser histogram should have a single non-0 sample recorded. |
| histogram_tester.ExpectTotalCount("Memory.Browser", 1); |
| scoped_ptr<base::HistogramSamples> samples( |
| histogram_tester.GetHistogramSamplesSinceCreation("Memory.Browser")); |
| ASSERT_TRUE(samples); |
| EXPECT_NE(0, samples->sum()); |
| } |