content/browser/accessibility/accessibility_mode_browsertest.cc

   1 // Copyright 2014 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 "content/browser/accessibility/accessibility_mode_helper.h"
   6 #include "content/browser/renderer_host/render_view_host_impl.h"
   7 #include "content/browser/renderer_host/render_widget_host_impl.h"
   8 #include "content/browser/renderer_host/render_widget_host_view_base.h"
   9 #include "content/browser/web_contents/web_contents_impl.h"
  10 #include "content/public/browser/render_view_host.h"
  11 #include "content/public/browser/render_widget_host.h"
  12 #include "content/public/browser/render_widget_host_view.h"
  13 #include "content/public/browser/web_contents.h"
  14 #include "content/public/common/url_constants.h"
  15 #include "content/public/test/content_browser_test.h"
  16 #include "content/public/test/content_browser_test_utils.h"
  17 #include "content/shell/browser/shell.h"
  18 #include "content/test/accessibility_browser_test_utils.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20
  21 namespace content {
  22
  23 const char kMinimalPageDataURL[] =
  24     "data:text/html,<html><head></head><body>Hello, world</body></html>";
  25
  26 class AccessibilityModeTest : public ContentBrowserTest {
  27  protected:
  28   WebContentsImpl* web_contents() {
  29     return static_cast<WebContentsImpl*>(shell()->web_contents());
  30   }
  31
  32   void ExpectBrowserAccessibilityManager(bool expect_bam,
  33                                          std::string message = "") {
  34     if (expect_bam) {
  35       EXPECT_NE(
  36           (BrowserAccessibilityManager*)NULL,
  37           web_contents()->GetRootBrowserAccessibilityManager()) << message;
  38     } else {
  39       EXPECT_EQ(
  40           (BrowserAccessibilityManager*)NULL,
  41           web_contents()->GetRootBrowserAccessibilityManager()) << message;
  42     }
  43   }
  44
  45   AccessibilityMode CorrectedAccessibility(AccessibilityMode mode) {
  46     return AddAccessibilityModeTo(GetBaseAccessibilityMode(), mode);
  47   }
  48
  49   bool ShouldBeBrowserAccessibilityManager(AccessibilityMode mode) {
  50     mode = CorrectedAccessibility(mode);
  51     switch (mode) {
  52       case AccessibilityModeOff:
  53       case AccessibilityModeTreeOnly:
  54         return false;
  55       case AccessibilityModeComplete:
  56         return true;
  57       default:
  58         NOTREACHED();
  59     }
  60     return false;
  61   }
  62 };
  63
  64 IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeOff) {
  65   NavigateToURL(shell(), GURL(kMinimalPageDataURL));
  66
  67   EXPECT_EQ(CorrectedAccessibility(AccessibilityModeOff),
  68             web_contents()->GetAccessibilityMode());
  69   ExpectBrowserAccessibilityManager(
  70       ShouldBeBrowserAccessibilityManager(AccessibilityModeOff));
  71 }
  72
  73 IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeComplete) {
  74   NavigateToURL(shell(), GURL(kMinimalPageDataURL));
  75   ASSERT_EQ(CorrectedAccessibility(AccessibilityModeOff),
  76             web_contents()->GetAccessibilityMode());
  77
  78   AccessibilityNotificationWaiter waiter(shell());
  79   web_contents()->AddAccessibilityMode(AccessibilityModeComplete);
  80   EXPECT_EQ(AccessibilityModeComplete, web_contents()->GetAccessibilityMode());
  81   waiter.WaitForNotification();
  82   ExpectBrowserAccessibilityManager(
  83       ShouldBeBrowserAccessibilityManager(AccessibilityModeComplete));
  84 }
  85
  86 IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeTreeOnly) {
  87   NavigateToURL(shell(), GURL(kMinimalPageDataURL));
  88   ASSERT_EQ(CorrectedAccessibility(AccessibilityModeOff),
  89             web_contents()->GetAccessibilityMode());
  90
  91   AccessibilityNotificationWaiter waiter(shell());
  92   web_contents()->AddAccessibilityMode(AccessibilityModeTreeOnly);
  93   EXPECT_EQ(CorrectedAccessibility(AccessibilityModeTreeOnly),
  94             web_contents()->GetAccessibilityMode());
  95   waiter.WaitForNotification();
  96   // No BrowserAccessibilityManager expected for AccessibilityModeTreeOnly
  97   ExpectBrowserAccessibilityManager(
  98       ShouldBeBrowserAccessibilityManager(AccessibilityModeTreeOnly));
  99 }
 100
 101 IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AddingModes) {
 102   NavigateToURL(shell(), GURL(kMinimalPageDataURL));
 103
 104   AccessibilityNotificationWaiter waiter(shell());
 105   web_contents()->AddAccessibilityMode(AccessibilityModeTreeOnly);
 106   EXPECT_EQ(CorrectedAccessibility(AccessibilityModeTreeOnly),
 107             web_contents()->GetAccessibilityMode());
 108   waiter.WaitForNotification();
 109   ExpectBrowserAccessibilityManager(ShouldBeBrowserAccessibilityManager(
 110                                         AccessibilityModeTreeOnly),
 111                                     "Should be no BrowserAccessibilityManager "
 112                                     "for AccessibilityModeTreeOnly");
 113
 114   AccessibilityNotificationWaiter waiter2(shell());
 115   web_contents()->AddAccessibilityMode(AccessibilityModeComplete);
 116   EXPECT_EQ(AccessibilityModeComplete, web_contents()->GetAccessibilityMode());
 117   waiter2.WaitForNotification();
 118   ExpectBrowserAccessibilityManager(ShouldBeBrowserAccessibilityManager(
 119                                           AccessibilityModeComplete),
 120                                     "Should be a BrowserAccessibilityManager "
 121                                     "for AccessibilityModeComplete");
 122 }
 123
 124 }  // namespace content