components/metrics/gpu/gpu_metrics_provider_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/metrics/gpu/gpu_metrics_provider.h"
   6
   7 #include "base/basictypes.h"
   8 #include "components/metrics/proto/chrome_user_metrics_extension.pb.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10 #include "ui/gfx/size.h"
  11
  12 namespace metrics {
  13
  14 namespace {
  15
  16 const int kScreenWidth = 1024;
  17 const int kScreenHeight = 768;
  18 const int kScreenCount = 3;
  19 const float kScreenScaleFactor = 2;
  20
  21 class TestGPUMetricsProvider : public GPUMetricsProvider {
  22  public:
  23   TestGPUMetricsProvider() {}
  24   ~TestGPUMetricsProvider() override {}
  25
  26  private:
  27   gfx::Size GetScreenSize() const override {
  28     return gfx::Size(kScreenWidth, kScreenHeight);
  29   }
  30
  31   float GetScreenDeviceScaleFactor() const override {
  32     return kScreenScaleFactor;
  33   }
  34
  35   int GetScreenCount() const override { return kScreenCount; }
  36
  37   DISALLOW_COPY_AND_ASSIGN(TestGPUMetricsProvider);
  38 };
  39
  40 }  // namespace
  41
  42 class GPUMetricsProviderTest : public testing::Test {
  43  public:
  44   GPUMetricsProviderTest() {}
  45   ~GPUMetricsProviderTest() override {}
  46
  47  private:
  48   DISALLOW_COPY_AND_ASSIGN(GPUMetricsProviderTest);
  49 };
  50
  51 TEST_F(GPUMetricsProviderTest, ProvideSystemProfileMetrics) {
  52   TestGPUMetricsProvider provider;
  53   ChromeUserMetricsExtension uma_proto;
  54
  55   provider.ProvideSystemProfileMetrics(uma_proto.mutable_system_profile());
  56
  57   // Check that the system profile has the correct values set.
  58   const SystemProfileProto::Hardware& hardware =
  59       uma_proto.system_profile().hardware();
  60   EXPECT_EQ(kScreenWidth, hardware.primary_screen_width());
  61   EXPECT_EQ(kScreenHeight, hardware.primary_screen_height());
  62   EXPECT_EQ(kScreenScaleFactor, hardware.primary_screen_scale_factor());
  63   EXPECT_EQ(kScreenCount, hardware.screen_count());
  64 }
  65
  66 }  // namespace metrics