Add test for ChromeVox sticky mode.

chrome/browser/chromeos/accessibility/spoken_feedback_browsertest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <queue>
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
@@ skipping 320 matching lines @@
   EXPECT_EQ("Start selection", monitor.GetNextUtterance());
   EXPECT_EQ("Title", monitor.GetNextUtterance());
   EXPECT_EQ(", selected", monitor.GetNextUtterance());
 
   // Press again to end the selection.
   SendKeyPressWithSearchAndShift(ui::VKEY_S);
   EXPECT_EQ("End selection", monitor.GetNextUtterance());
   EXPECT_EQ("Title", monitor.GetNextUtterance());
 }
 
+IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, ChromeVoxStickyMode) {
+  EXPECT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());

[David Tseng, 2014/09/25 20:36:57]

ASSERT?

[dmazzoni, 2014/09/25 22:49:27]

Done.

+
+  SpeechMonitor monitor;
+  AccessibilityManager::Get()->EnableSpokenFeedback(
+      true, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(monitor.SkipChromeVoxEnabledMessage());
+
+  ui_test_utils::NavigateToURL(
+      browser(),
+      GURL("data:text/html;charset=utf-8,"
+           "<label>Enter your name <input autofocus></label>"
+           "<p>One</p>"
+           "<h2>Two</h2>"));
+  while (monitor.GetNextUtterance() != "Enter your name") {
+  }
+  EXPECT_EQ("Edit text", monitor.GetNextUtterance());
+
+  // Press the sticky-key sequence: Search Search.
+  SendKeyPress(ui::VKEY_LWIN);
+  SendKeyPress(ui::VKEY_LWIN);
+  EXPECT_EQ("Sticky mode enabled", monitor.GetNextUtterance());
+
+  // Even once we hear "sticky mode enabled" from the ChromeVox background
+  // page, there's a short window of time when the content script still
+  // hasn't switched to sticky mode. That's why we're focused on a text box.
+  // Keep pressing the '/' key. If sticky mode is off, it will echo the word
+  // "slash". If sticky mode is on, it will open "Find in page". Keep pressing
+  // '/' until we get "Find in page.".
+  while (true) {

[David Tseng, 2014/09/25 20:36:57]

I've had to do something similar for ChromeVox Next js based tests; perhaps
refactor this pattern into a helper.

[dmazzoni, 2014/09/25 22:49:27]

Done.

+    SendKeyPress(ui::VKEY_OEM_2);
+    const std::string& utterance = monitor.GetNextUtterance();
+    if (utterance == "Find in page.") {
+      break;
+    } else {
+      ASSERT_EQ("slash", utterance);
+    }
+  }
+  EXPECT_EQ("Enter a search query.", monitor.GetNextUtterance());
+
+  // Press Esc to exit Find in Page mode.
+  SendKeyPress(ui::VKEY_ESCAPE);
+  EXPECT_EQ("Exited", monitor.GetNextUtterance());
+  EXPECT_EQ("Find in page.", monitor.GetNextUtterance());
+
+  // Press N H to jump to the next heading. Skip over speech in-between
+  // but make sure we end up at the heading.
+  SendKeyPress(ui::VKEY_N);
+  SendKeyPress(ui::VKEY_H);
+  while (monitor.GetNextUtterance() != "Two") {
+  }
+  EXPECT_EQ("Heading 2", monitor.GetNextUtterance());
+
+  // Press the up arrow to go to the previous element.
+  SendKeyPress(ui::VKEY_UP);
+  EXPECT_EQ("One", monitor.GetNextUtterance());
+}
+
 IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, TouchExploreStatusTray) {
   EXPECT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());
 
   SpeechMonitor monitor;
   AccessibilityManager::Get()->EnableSpokenFeedback(
       true, ash::A11Y_NOTIFICATION_NONE);
   EXPECT_TRUE(monitor.SkipChromeVoxEnabledMessage());
   DisableEarcons();
 
   SimulateTouchScreenInChromeVox();
@@ skipping 88 matching lines @@
   EXPECT_EQ("Select your language:", monitor.GetNextUtterance());
   EXPECT_EQ("English ( United States)", monitor.GetNextUtterance());
   EXPECT_TRUE(MatchPattern(monitor.GetNextUtterance(), "Combo box * of *"));
   ASSERT_TRUE(
       ui_test_utils::SendKeyPressToWindowSync(
           window, ui::VKEY_TAB, false, false, false, false));
   EXPECT_EQ("Select your keyboard:", monitor.GetNextUtterance());
 }
 
 }  // namespace chromeos