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/renderer_host/render_view_host_impl.h"
   6 #include "content/browser/renderer_host/render_widget_host_impl.h"
   7 #include "content/port/browser/render_widget_host_view_port.h"
   8 #include "content/public/browser/render_view_host.h"
   9 #include "content/public/browser/render_widget_host.h"
  10 #include "content/public/browser/render_widget_host_view.h"
  11 #include "content/public/browser/web_contents.h"
  12 #include "content/public/common/url_constants.h"
  13 #include "content/public/test/content_browser_test.h"
  14 #include "content/public/test/content_browser_test_utils.h"
  15 #include "content/shell/browser/shell.h"
  16 #include "content/test/accessibility_browser_test_utils.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 namespace content {
  20
  21 const char kMinimalPageDataURL[] =
  22     "data:text/html,<html><head></head><body>Hello, world</body></html>";
  23
  24 class AccessibilityModeTest : public ContentBrowserTest {
  25  protected:
  26   content::WebContents* web_contents() {
  27     return shell()->web_contents();
  28   }
  29
  30   content::RenderWidgetHostImpl* rwhi() {
  31     content::RenderWidgetHost* rwh =
  32         web_contents()->GetRenderWidgetHostView()->GetRenderWidgetHost();
  33     return content::RenderWidgetHostImpl::From(rwh);
  34   }
  35
  36   content::RenderWidgetHostViewPort* host_view() {
  37     return RenderWidgetHostViewPort::FromRWHV(
  38         shell()->web_contents()->GetRenderWidgetHostView());
  39   }
  40
  41   void ExpectBrowserAccessibilityManager(bool expect_bam,
  42                                          std::string message = "") {
  43     if (expect_bam) {
  44       EXPECT_NE((BrowserAccessibilityManager*)NULL,
  45                 host_view()->GetBrowserAccessibilityManager()) << message;
  46     } else {
  47       EXPECT_EQ((BrowserAccessibilityManager*)NULL,
  48                 host_view()->GetBrowserAccessibilityManager()) << message;
  49     }
  50   }
  51 };
  52
  53 IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeOff) {
  54   NavigateToURL(shell(), GURL(kMinimalPageDataURL));
  55
  56   EXPECT_EQ(AccessibilityModeOff, rwhi()->accessibility_mode());
  57   ExpectBrowserAccessibilityManager(false);
  58 }
  59
  60 IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeComplete) {
  61   NavigateToURL(shell(), GURL(kMinimalPageDataURL));
  62   ASSERT_EQ(AccessibilityModeOff, rwhi()->accessibility_mode());
  63
  64   AccessibilityNotificationWaiter waiter(shell());
  65   rwhi()->AddAccessibilityMode(AccessibilityModeComplete);
  66   EXPECT_EQ(AccessibilityModeComplete, rwhi()->accessibility_mode());
  67   waiter.WaitForNotification();
  68   ExpectBrowserAccessibilityManager(true);
  69 }
  70
  71 IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeTreeOnly) {
  72   NavigateToURL(shell(), GURL(kMinimalPageDataURL));
  73   ASSERT_EQ(AccessibilityModeOff, rwhi()->accessibility_mode());
  74
  75   AccessibilityNotificationWaiter waiter(shell());
  76   rwhi()->AddAccessibilityMode(AccessibilityModeTreeOnly);
  77   EXPECT_EQ(AccessibilityModeTreeOnly, rwhi()->accessibility_mode());
  78   waiter.WaitForNotification();
  79   // No BrowserAccessibilityManager expected for AccessibilityModeTreeOnly
  80   ExpectBrowserAccessibilityManager(false);
  81 }
  82
  83 IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AddingModes) {
  84   NavigateToURL(shell(), GURL(kMinimalPageDataURL));
  85
  86   AccessibilityNotificationWaiter waiter(shell());
  87   rwhi()->AddAccessibilityMode(AccessibilityModeTreeOnly);
  88   EXPECT_EQ(AccessibilityModeTreeOnly, rwhi()->accessibility_mode());
  89   waiter.WaitForNotification();
  90   ExpectBrowserAccessibilityManager(false,
  91                                     "Should be no BrowserAccessibilityManager "
  92                                     "for AccessibilityModeTreeOnly");
  93
  94   AccessibilityNotificationWaiter waiter2(shell());
  95   rwhi()->AddAccessibilityMode(AccessibilityModeComplete);
  96   EXPECT_EQ(AccessibilityModeComplete, rwhi()->accessibility_mode());
  97   waiter2.WaitForNotification();
  98   ExpectBrowserAccessibilityManager(true,
  99                                     "Should be a BrowserAccessibilityManager "
 100                                     "for AccessibilityModeComplete");
 101 }
 102
 103 }  // namespace content