1 // Copyright (c) 2011 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/printing/print_preview_tab_controller.h"
6 #include "chrome/browser/tabs/tab_strip_model.h"
7 #include "chrome/browser/ui/browser_list.h"
8 #include "chrome/test/browser_with_test_window_test.h"
9 #include "chrome/test/testing_profile.h"
10 #include "content/browser/tab_contents/tab_contents.h"
11
12 typedef BrowserWithTestWindowTest PrintPreviewTabControllerTest;
13
14 // Create/Get a preview tab for initiator tab.
TEST_F(PrintPreviewTabControllerTest,GetOrCreatePreviewTab)15 TEST_F(PrintPreviewTabControllerTest, GetOrCreatePreviewTab) {
16 ASSERT_TRUE(browser());
17 BrowserList::SetLastActive(browser());
18 ASSERT_TRUE(BrowserList::GetLastActive());
19
20 // Lets start with one window with one tab.
21 EXPECT_EQ(1u, BrowserList::size());
22 EXPECT_EQ(0, browser()->tab_count());
23 browser()->NewTab();
24 EXPECT_EQ(1, browser()->tab_count());
25
26 // Create a reference to initiator tab contents.
27 TabContents* initiator_tab = browser()->GetSelectedTabContents();
28
29 scoped_refptr<printing::PrintPreviewTabController>
30 tab_controller(new printing::PrintPreviewTabController());
31 ASSERT_TRUE(tab_controller);
32
33 // Get the preview tab for initiator tab.
34 TabContents* preview_tab =
35 tab_controller->GetOrCreatePreviewTab(initiator_tab);
36
37 // New print preview tab is created. Current focus is on preview tab.
38 EXPECT_EQ(2, browser()->tab_count());
39 EXPECT_NE(initiator_tab, preview_tab);
40
41 // Activate initiator_tab.
42 initiator_tab->Activate();
43
44 // Get the print preview tab for initiator tab.
45 TabContents* new_preview_tab =
46 tab_controller->GetOrCreatePreviewTab(initiator_tab);
47
48 // Preview tab already exists. Tab count remains the same.
49 EXPECT_EQ(2, browser()->tab_count());
50
51 // 1:1 relationship between initiator and preview tab.
52 EXPECT_EQ(new_preview_tab, preview_tab);
53 }
54
55 // To show multiple print preview tabs exist in the same browser for
56 // different initiator tabs. If preview tab already exists for an initiator, it
57 // gets focused.
TEST_F(PrintPreviewTabControllerTest,MultiplePreviewTabs)58 TEST_F(PrintPreviewTabControllerTest, MultiplePreviewTabs) {
59 ASSERT_TRUE(browser());
60 BrowserList::SetLastActive(browser());
61 ASSERT_TRUE(BrowserList::GetLastActive());
62
63 // Lets start with one window and two tabs.
64 EXPECT_EQ(1u, BrowserList::size());
65 EXPECT_EQ(0, browser()->tab_count());
66
67 browser()->NewTab();
68 TabContents* tab_contents_1 = browser()->GetSelectedTabContents();
69 ASSERT_TRUE(tab_contents_1);
70
71 browser()->NewTab();
72 TabContents* tab_contents_2 = browser()->GetSelectedTabContents();
73 ASSERT_TRUE(tab_contents_2);
74 EXPECT_EQ(2, browser()->tab_count());
75
76 scoped_refptr<printing::PrintPreviewTabController>
77 tab_controller(new printing::PrintPreviewTabController());
78 ASSERT_TRUE(tab_controller);
79
80 // Create preview tab for |tab_contents_1|
81 TabContents* preview_tab_1 =
82 tab_controller->GetOrCreatePreviewTab(tab_contents_1);
83
84 EXPECT_NE(tab_contents_1, preview_tab_1);
85 EXPECT_EQ(3, browser()->tab_count());
86
87 // Create preview tab for |tab_contents_2|
88 TabContents* preview_tab_2 =
89 tab_controller->GetOrCreatePreviewTab(tab_contents_2);
90
91 EXPECT_NE(tab_contents_2, preview_tab_2);
92 // 2 initiator tab and 2 preview tabs exist in the same browser.
93 EXPECT_EQ(4, browser()->tab_count());
94
95 TabStripModel* model = browser()->tabstrip_model();
96 ASSERT_TRUE(model);
97
98 int preview_tab_1_index = model->GetWrapperIndex(preview_tab_1);
99 int preview_tab_2_index = model->GetWrapperIndex(preview_tab_2);
100
101 EXPECT_NE(-1, preview_tab_1_index);
102 EXPECT_NE(-1, preview_tab_2_index);
103 // Current tab is |preview_tab_2|.
104 EXPECT_EQ(preview_tab_2_index, browser()->active_index());
105
106 // Activate |tab_contents_1| tab.
107 tab_contents_1->Activate();
108
109 // When we get the preview tab for |tab_contents_1|,
110 // |preview_tab_1| is activated and focused.
111 tab_controller->GetOrCreatePreviewTab(tab_contents_1);
112 EXPECT_EQ(preview_tab_1_index, browser()->active_index());
113 }
114