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