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1 // Copyright (c) 2012 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 "chrome/browser/ui/tabs/tab_mru_list_manager.h" | |
sky
2012/06/15 19:47:39
newline between 5 and 6.
| |
6 #include "chrome/browser/ui/tabs/tab_strip_model.h" | |
7 #include "testing/gtest/include/gtest/gtest.h" | |
8 | |
9 typedef testing::Test TabMRUListManagerTest; | |
10 | |
11 // Swich to MRU tab when list is empty. | |
12 TEST_F(TabMRUListManagerTest, ListEmpty) { | |
13 TabMRUListManager mru_list(NULL); | |
14 TabContentsWrapper* contents = mru_list.GetPreviousMRUTab(); | |
15 EXPECT_EQ(NULL, contents); | |
16 } | |
17 | |
18 // Insert 3 tabs and switch between first and 3rd tab | |
19 TEST_F(TabMRUListManagerTest, ToggleMRUTabs) { | |
20 TabMRUListManager mru_list(NULL); | |
21 TabContentsWrapper* contents1 = (TabContentsWrapper*) 0xfffffff1; | |
sky
2012/06/15 19:47:39
Don't do this.
You can create TabContents in unit
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22 TabContentsWrapper* contents2 = (TabContentsWrapper*) 0xfffffff2; | |
23 TabContentsWrapper* contents3 = (TabContentsWrapper*) 0xfffffff3; | |
24 | |
25 mru_list.TabInsertedAt(contents1, 0, true); | |
26 mru_list.TabInsertedAt(contents2, 1, true); | |
27 mru_list.TabInsertedAt(contents3, 2, true); | |
28 | |
29 // content3 will be the current active tab and contents2 will be | |
30 // the most recently used tab. | |
31 // Now activate contents1 so that we toggle between contents1 and | |
32 // contents3 | |
33 mru_list.ActiveTabChanged(contents3, contents1, 0, true); | |
34 | |
35 // Now calling GetPreviousMRUTab will return contents3 because we | |
36 // shifted to contents1 from contents3, | |
37 TabContentsWrapper* contents = mru_list.GetPreviousMRUTab(); | |
38 EXPECT_EQ(contents, contents3); | |
39 } | |
40 | |
41 // Detach a MRU tab and check the behaviour | |
42 // Insert 3 tabs and switch between first and 3rd tab | |
43 TEST_F(TabMRUListManagerTest, DetachMRUTabs) { | |
44 TabMRUListManager mru_list(NULL); | |
45 TabContentsWrapper* contents1 = (TabContentsWrapper*) 0xfffffff1; | |
46 TabContentsWrapper* contents2 = (TabContentsWrapper*) 0xfffffff2; | |
47 TabContentsWrapper* contents3 = (TabContentsWrapper*) 0xfffffff3; | |
48 | |
49 mru_list.TabInsertedAt(contents1, 0, true); | |
50 mru_list.TabInsertedAt(contents2, 1, true); | |
51 mru_list.TabInsertedAt(contents3, 2, true); | |
52 | |
53 // content3 will be the current active tab and contents2 will be | |
54 // the most recently used tab. | |
55 // Now activate contents1 so that we toggle between contents1 and | |
56 // contents3 | |
57 mru_list.ActiveTabChanged(contents3, contents1, 0, true); | |
58 | |
59 // Now calling GetPreviousMRUTab will return contents3 because we | |
60 // shifted to contents1 from contents3, | |
61 TabContentsWrapper* contents = mru_list.GetPreviousMRUTab(); | |
62 EXPECT_EQ(contents, contents3); | |
63 | |
64 // Detach contents3 and then the next MRU tab should be contents2 | |
65 // as per MRU order. | |
66 mru_list.TabDetachedAt(contents3, 2); | |
67 contents = mru_list.GetPreviousMRUTab(); | |
68 EXPECT_EQ(contents, contents2); | |
69 } | |
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