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 "base/memory/scoped_ptr.h"
6#include "base/message_loop/message_loop.h"
7#include "base/strings/utf_string_conversions.h"
8#include "testing/gtest/include/gtest/gtest.h"
9#include "ui/views/controls/tabbed_pane/tabbed_pane.h"
10#include "ui/views/test/views_test_base.h"
11
12using base::ASCIIToUTF16;
13
14namespace views {
15
16namespace {
17
18// A view for testing that takes a fixed preferred size upon construction.
19class FixedSizeView : public View {
20 public:
21  explicit FixedSizeView(const gfx::Size& size)
22    : size_(size) {}
23
24  // Overridden from View:
25  virtual gfx::Size GetPreferredSize() const OVERRIDE {
26    return size_;
27  }
28
29 private:
30  const gfx::Size size_;
31
32  DISALLOW_COPY_AND_ASSIGN(FixedSizeView);
33};
34
35typedef ViewsTestBase TabbedPaneTest;
36
37// Tests TabbedPane::GetPreferredSize() and TabbedPane::Layout().
38TEST_F(TabbedPaneTest, SizeAndLayout) {
39  scoped_ptr<TabbedPane> tabbed_pane(new TabbedPane());
40  View* child1 = new FixedSizeView(gfx::Size(20, 10));
41  tabbed_pane->AddTab(ASCIIToUTF16("tab1"), child1);
42  View* child2 = new FixedSizeView(gfx::Size(5, 5));
43  tabbed_pane->AddTab(ASCIIToUTF16("tab2"), child2);
44  tabbed_pane->SelectTabAt(0);
45
46  // The |tabbed_pane| implementation of Views has no border by default.
47  // Therefore it should be as wide as the widest tab. The native Windows
48  // tabbed pane has a border that used up extra space. Therefore the preferred
49  // width is larger than the largest child.
50  gfx::Size pref(tabbed_pane->GetPreferredSize());
51  EXPECT_GE(pref.width(), 20);
52  EXPECT_GT(pref.height(), 10);
53
54  // The bounds of our children should be smaller than the tabbed pane's bounds.
55  tabbed_pane->SetBounds(0, 0, 100, 200);
56  RunPendingMessages();
57  gfx::Rect bounds(child1->bounds());
58  EXPECT_GT(bounds.width(), 0);
59  // The |tabbed_pane| has no border. Therefore the children should be as wide
60  // as the |tabbed_pane|.
61  EXPECT_LE(bounds.width(), 100);
62  EXPECT_GT(bounds.height(), 0);
63  EXPECT_LT(bounds.height(), 200);
64
65  // If we switch to the other tab, it should get assigned the same bounds.
66  tabbed_pane->SelectTabAt(1);
67  EXPECT_EQ(bounds, child2->bounds());
68}
69
70TEST_F(TabbedPaneTest, AddAndSelect) {
71  scoped_ptr<TabbedPane> tabbed_pane(new TabbedPane());
72  // Add several tabs; only the first should be a selected automatically.
73  for (int i = 0; i < 3; ++i) {
74    View* tab = new View();
75    tabbed_pane->AddTab(ASCIIToUTF16("tab"), tab);
76    EXPECT_EQ(i + 1, tabbed_pane->GetTabCount());
77    EXPECT_EQ(0, tabbed_pane->selected_tab_index());
78  }
79
80  // Select each tab.
81  for (int i = 0; i < tabbed_pane->GetTabCount(); ++i) {
82    tabbed_pane->SelectTabAt(i);
83    EXPECT_EQ(i, tabbed_pane->selected_tab_index());
84  }
85
86  // Add a tab at index 0, it should not be selected automatically.
87  View* tab0 = new View();
88  tabbed_pane->AddTabAtIndex(0, ASCIIToUTF16("tab0"), tab0);
89  EXPECT_NE(tab0, tabbed_pane->GetSelectedTab());
90  EXPECT_NE(0, tabbed_pane->selected_tab_index());
91}
92
93}  // namespace
94
95}  // namespace views
96