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