src/chrome/browser/ui/browser_iterator_unittest.cc

   1 // Copyright (c) 2013 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/browser_iterator.h"
   6
   7 #include "chrome/browser/ui/browser.h"
   8 #include "chrome/browser/ui/browser_list.h"
   9 #include "chrome/browser/ui/host_desktop.h"
  10 #include "chrome/test/base/browser_with_test_window_test.h"
  11
  12 typedef BrowserWithTestWindowTest BrowserIteratorTest;
  13
  14 namespace {
  15
  16 // BrowserWithTestWindowTest's default window is on the native desktop by
  17 // default. Force it to be on the Ash desktop to be able to test the iterator
  18 // in a situation with no browsers on the native desktop.
  19 class BrowserIteratorTestWithInitialWindowInAsh
  20     : public BrowserWithTestWindowTest {
  21  public:
  22   BrowserIteratorTestWithInitialWindowInAsh()
  23       : BrowserWithTestWindowTest(Browser::TYPE_TABBED,
  24                                   chrome::HOST_DESKTOP_TYPE_ASH,
  25                                   false) {
  26   }
  27 };
  28
  29 // Helper function to iterate and count all the browsers.
  30 size_t CountAllBrowsers() {
  31   size_t count = 0;
  32   for (chrome::BrowserIterator iterator; !iterator.done(); iterator.Next())
  33     ++count;
  34   return count;
  35 }
  36
  37 }
  38
  39 TEST_F(BrowserIteratorTest, BrowsersOnMultipleDesktops) {
  40   Browser::CreateParams native_params(profile(),
  41                                       chrome::HOST_DESKTOP_TYPE_NATIVE);
  42   Browser::CreateParams ash_params(profile(), chrome::HOST_DESKTOP_TYPE_ASH);
  43   // Note, browser 1 is on the native desktop.
  44   scoped_ptr<Browser> browser2(
  45       chrome::CreateBrowserWithTestWindowForParams(&native_params));
  46   scoped_ptr<Browser> browser3(
  47       chrome::CreateBrowserWithTestWindowForParams(&native_params));
  48   scoped_ptr<Browser> browser4(
  49       chrome::CreateBrowserWithTestWindowForParams(&ash_params));
  50   scoped_ptr<Browser> browser5(
  51       chrome::CreateBrowserWithTestWindowForParams(&ash_params));
  52
  53   // Sanity checks.
  54   BrowserList* native_list =
  55       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_NATIVE);
  56 #if defined(OS_CHROMEOS)
  57   // On Chrome OS, the native list and the ash list are the same.
  58   EXPECT_EQ(5U, native_list->size());
  59 #else
  60   BrowserList* ash_list =
  61       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
  62   EXPECT_EQ(3U, native_list->size());
  63   EXPECT_EQ(2U, ash_list->size());
  64 #endif
  65
  66   // Make sure the iterator finds all 5 browsers regardless of which desktop
  67   // they are on.
  68   EXPECT_EQ(5U, CountAllBrowsers());
  69 }
  70
  71 TEST_F(BrowserIteratorTest, NoBrowsersOnAshDesktop) {
  72   Browser::CreateParams native_params(profile(),
  73                                       chrome::HOST_DESKTOP_TYPE_NATIVE);
  74   // Note, browser 1 is on the native desktop.
  75   scoped_ptr<Browser> browser2(
  76       chrome::CreateBrowserWithTestWindowForParams(&native_params));
  77   scoped_ptr<Browser> browser3(
  78       chrome::CreateBrowserWithTestWindowForParams(&native_params));
  79
  80   // Sanity checks.
  81   BrowserList* native_list =
  82       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_NATIVE);
  83   EXPECT_EQ(3U, native_list->size());
  84 #if !defined(OS_CHROMEOS)
  85   // On non-Chrome OS platforms the Ash list is independent from the native
  86   // list, double-check that it's empty.
  87   BrowserList* ash_list =
  88       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
  89   EXPECT_EQ(0U, ash_list->size());
  90 #endif
  91
  92   // Make sure the iterator finds all 3 browsers on the native desktop and
  93   // doesn't trip over the empty Ash desktop list.
  94   EXPECT_EQ(3U, CountAllBrowsers());
  95 }
  96
  97 TEST_F(BrowserIteratorTestWithInitialWindowInAsh, NoBrowsersOnNativeDesktop) {
  98   Browser::CreateParams ash_params(profile(), chrome::HOST_DESKTOP_TYPE_ASH);
  99   // Note, browser 1 is on the ash desktop.
 100   scoped_ptr<Browser> browser2(
 101       chrome::CreateBrowserWithTestWindowForParams(&ash_params));
 102   scoped_ptr<Browser> browser3(
 103       chrome::CreateBrowserWithTestWindowForParams(&ash_params));
 104
 105   BrowserList* ash_list =
 106       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
 107   EXPECT_EQ(3U, ash_list->size());
 108 #if !defined(OS_CHROMEOS)
 109   // On non-Chrome OS platforms the native list is independent from the Ash
 110   // list; double-check that it's empty.
 111   BrowserList* native_list =
 112       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_NATIVE);
 113   EXPECT_EQ(0U, native_list->size());
 114 #endif
 115
 116   // Make sure the iterator finds all 3 browsers on the ash desktop and
 117   // doesn't trip over the empty native desktop list.
 118   EXPECT_EQ(3U, CountAllBrowsers());
 119 }
 120
 121 // Verify that the iterator still behaves if there are no browsers at all.
 122 TEST(BrowserIteratorTestWithNoTestWindow, NoBrowser) {
 123   EXPECT_EQ(0U, CountAllBrowsers());
 124 }