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| 1 // Copyright 2017 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 #import "ios/shared/chrome/browser/tabs/web_state_list_order_controller.h" |
| 6 |
| 7 #include "base/macros.h" |
| 8 #include "base/memory/ptr_util.h" |
| 9 #import "ios/shared/chrome/browser/tabs/web_state_list.h" |
| 10 #import "ios/web/public/test/fakes/test_navigation_manager.h" |
| 11 #import "ios/web/public/test/fakes/test_web_state.h" |
| 12 #include "testing/gtest/include/gtest/gtest.h" |
| 13 #include "testing/platform_test.h" |
| 14 #include "ui/base/page_transition_types.h" |
| 15 |
| 16 namespace { |
| 17 const char kURL[] = "https://chromium.org/"; |
| 18 |
| 19 // A fake NavigationManager used to test opener-opened relationship in the |
| 20 // WebStateList. |
| 21 class FakeNavigationManer : public web::TestNavigationManager { |
| 22 public: |
| 23 FakeNavigationManer() = default; |
| 24 |
| 25 // web::NavigationManager implementation. |
| 26 int GetCurrentItemIndex() const override { return 0; } |
| 27 int GetLastCommittedItemIndex() const override { return 0; } |
| 28 |
| 29 DISALLOW_COPY_AND_ASSIGN(FakeNavigationManer); |
| 30 }; |
| 31 |
| 32 } // namespace |
| 33 |
| 34 class WebStateListOrderControllerTest : public PlatformTest { |
| 35 public: |
| 36 WebStateListOrderControllerTest() |
| 37 : web_state_list_(WebStateList::WebStateOwned), |
| 38 order_controller_(&web_state_list_) {} |
| 39 |
| 40 protected: |
| 41 WebStateList web_state_list_; |
| 42 WebStateListOrderController order_controller_; |
| 43 |
| 44 // This method should return std::unique_ptr<> however, due to the complex |
| 45 // ownership of Tab, WebStateList currently uses raw pointers. Change this |
| 46 // once Tab ownership is sane, see http://crbug.com/546222 for progress. |
| 47 web::WebState* CreateWebState() { |
| 48 auto test_web_state = base::MakeUnique<web::TestWebState>(); |
| 49 test_web_state->SetCurrentURL(GURL(kURL)); |
| 50 test_web_state->SetNavigationManager( |
| 51 base::MakeUnique<FakeNavigationManer>()); |
| 52 return test_web_state.release(); |
| 53 } |
| 54 |
| 55 private: |
| 56 DISALLOW_COPY_AND_ASSIGN(WebStateListOrderControllerTest); |
| 57 }; |
| 58 |
| 59 TEST_F(WebStateListOrderControllerTest, DetermineInsertionIndex) { |
| 60 web_state_list_.InsertWebState(0, CreateWebState(), nullptr); |
| 61 web_state_list_.InsertWebState(1, CreateWebState(), nullptr); |
| 62 web::WebState* opener = web_state_list_.GetWebStateAt(0); |
| 63 |
| 64 // Verify that first child WebState is inserted after |opener| if there are |
| 65 // no other children. |
| 66 EXPECT_EQ(1, order_controller_.DetermineInsertionIndex( |
| 67 ui::PAGE_TRANSITION_LINK, opener)); |
| 68 |
| 69 // Verify that child WebState is inserted at the end if it is not a "LINK" |
| 70 // transition. |
| 71 EXPECT_EQ(2, order_controller_.DetermineInsertionIndex( |
| 72 ui::PAGE_TRANSITION_GENERATED, opener)); |
| 73 |
| 74 // Verify that WebState is inserted at the end if it has no opener. |
| 75 EXPECT_EQ(2, order_controller_.DetermineInsertionIndex( |
| 76 ui::PAGE_TRANSITION_LINK, nullptr)); |
| 77 |
| 78 // Add a child WebState to |opener|, and verify that a second child would be |
| 79 // inserted after the first. |
| 80 web_state_list_.InsertWebState(2, CreateWebState(), opener); |
| 81 |
| 82 EXPECT_EQ(3, order_controller_.DetermineInsertionIndex( |
| 83 ui::PAGE_TRANSITION_LINK, opener)); |
| 84 |
| 85 // Add a grand-child to |opener|, and verify that adding another child to |
| 86 // |opener| would be inserted before the grand-child. |
| 87 web_state_list_.InsertWebState(3, CreateWebState(), |
| 88 web_state_list_.GetWebStateAt(1)); |
| 89 |
| 90 EXPECT_EQ(3, order_controller_.DetermineInsertionIndex( |
| 91 ui::PAGE_TRANSITION_LINK, opener)); |
| 92 } |
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