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| 1 // Copyright 2016 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 "base/run_loop.h" |
| 6 #include "components/memory_coordinator/browser/memory_coordinator.h" |
| 7 #include "components/memory_coordinator/common/memory_coordinator_features.h" |
| 8 #include "content/browser/browser_main_loop.h" |
| 9 #include "content/public/common/content_switches.h" |
| 10 #include "content/public/test/content_browser_test.h" |
| 11 #include "content/public/test/content_browser_test_utils.h" |
| 12 |
| 13 namespace content { |
| 14 |
| 15 class MemoryCoordinatorTest : public ContentBrowserTest { |
| 16 public: |
| 17 MemoryCoordinatorTest() {} |
| 18 |
| 19 void SetUp() override { |
| 20 memory_coordinator::EnableForTesting(); |
| 21 ContentBrowserTest::SetUp(); |
| 22 } |
| 23 |
| 24 void NotifyState(memory_coordinator::mojom::MemoryState state) { |
| 25 memory_coordinator()->IterateChildrenForTesting( |
| 26 base::Bind(&MemoryCoordinatorTest::NotifyStateToChild, |
| 27 base::Unretained(this), state)); |
| 28 } |
| 29 |
| 30 protected: |
| 31 memory_coordinator::MemoryCoordinator* memory_coordinator() { |
| 32 return BrowserMainLoop::GetInstance()->memory_coordinator(); |
| 33 } |
| 34 |
| 35 void NotifyStateToChild( |
| 36 memory_coordinator::mojom::MemoryState state, |
| 37 memory_coordinator::mojom::ChildMemoryCoordinator* child) { |
| 38 child->OnStateChange(state); |
| 39 } |
| 40 |
| 41 DISALLOW_COPY_AND_ASSIGN(MemoryCoordinatorTest); |
| 42 }; |
| 43 |
| 44 class LastStateChecker { |
| 45 public: |
| 46 explicit LastStateChecker( |
| 47 memory_coordinator::MemoryCoordinator* coordinator) |
| 48 : coordinator_(coordinator) {} |
| 49 ~LastStateChecker() {} |
| 50 |
| 51 void Check(memory_coordinator::mojom::MemoryState expected) { |
| 52 DCHECK(coordinator_); |
| 53 coordinator_->IterateChildrenForTesting(base::Bind( |
| 54 &LastStateChecker::GetChildState, base::Unretained(this), expected)); |
| 55 run_loop_.Run(); |
| 56 } |
| 57 |
| 58 private: |
| 59 void GetChildState(memory_coordinator::mojom::MemoryState expected, |
| 60 memory_coordinator::mojom::ChildMemoryCoordinator* child) { |
| 61 ++num_children_; |
| 62 child->GetCurrentStateForTesting( |
| 63 base::Bind(&LastStateChecker::CheckLastStateForChild, |
| 64 base::Unretained(this), expected)); |
| 65 } |
| 66 |
| 67 void CheckLastStateForChild(memory_coordinator::mojom::MemoryState expected, |
| 68 memory_coordinator::mojom::MemoryState actual) { |
| 69 EXPECT_EQ(expected, actual); |
| 70 if (--num_children_ == 0) { |
| 71 run_loop_.QuitWhenIdle(); |
| 72 } |
| 73 } |
| 74 |
| 75 memory_coordinator::MemoryCoordinator* coordinator_ = nullptr; |
| 76 base::RunLoop run_loop_; |
| 77 size_t num_children_ = 0; |
| 78 |
| 79 DISALLOW_COPY_AND_ASSIGN(LastStateChecker); |
| 80 }; |
| 81 |
| 82 IN_PROC_BROWSER_TEST_F(MemoryCoordinatorTest, Throttled) { |
| 83 GURL url = GetTestUrl("", "simple_page.html"); |
| 84 NavigateToURL(shell(), url); |
| 85 NotifyState(memory_coordinator::mojom::MemoryState::THROTTLED); |
| 86 |
| 87 LastStateChecker checker(memory_coordinator()); |
| 88 checker.Check(memory_coordinator::mojom::MemoryState::THROTTLED); |
| 89 } |
| 90 |
| 91 } // namespace content |
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