| // Copyright 2019 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 "components/metrics/android_metrics_provider.h" | 
 |  | 
 | #include "base/test/metrics/histogram_tester.h" | 
 | #include "testing/gtest/include/gtest/gtest.h" | 
 |  | 
 | namespace metrics { | 
 |  | 
 | class AndroidMetricsProviderTest : public testing::Test { | 
 |  public: | 
 |   AndroidMetricsProviderTest() = default; | 
 |   ~AndroidMetricsProviderTest() override = default; | 
 |  | 
 |  protected: | 
 |   base::HistogramTester histogram_tester_; | 
 |   AndroidMetricsProvider metrics_provider_; | 
 | }; | 
 |  | 
 | TEST_F(AndroidMetricsProviderTest, ProvidePreviousSessionData_IsLowRamDevice) { | 
 |   metrics_provider_.ProvidePreviousSessionData(nullptr /* uma_proto */); | 
 |   histogram_tester_.ExpectTotalCount("MemoryAndroid.LowRamDevice", 1); | 
 | } | 
 |  | 
 | TEST_F(AndroidMetricsProviderTest, ProvideCurrentSessionData_IsLowRamDevice) { | 
 |   metrics_provider_.ProvideCurrentSessionData(nullptr /* uma_proto */); | 
 |   histogram_tester_.ExpectTotalCount("MemoryAndroid.LowRamDevice", 1); | 
 | } | 
 |  | 
 | }  // namespace metrics |