content/renderer/external_popup_menu_browsertest.cc

   1 // Copyright (c) 2011 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 "base/strings/utf_string_conversions.h"
   6 #include "content/common/view_messages.h"
   7 #include "content/public/test/render_view_test.h"
   8 #include "content/renderer/render_view_impl.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10 #include "third_party/WebKit/public/web/WebView.h"
  11 #include "third_party/WebKit/public/platform/WebSize.h"
  12
  13 // Tests for the external select popup menu (Mac specific).
  14
  15 namespace content {
  16 namespace {
  17
  18 const char* const kSelectID = "mySelect";
  19 const char* const kEmptySelectID = "myEmptySelect";
  20
  21 }  // namespace
  22
  23 class ExternalPopupMenuTest : public RenderViewTest {
  24  public:
  25   ExternalPopupMenuTest() {}
  26
  27   RenderViewImpl* view() {
  28     return static_cast<RenderViewImpl*>(view_);
  29   }
  30
  31   virtual void SetUp() {
  32     RenderViewTest::SetUp();
  33     // We need to set this explictly as RenderMain is not run.
  34     blink::WebView::setUseExternalPopupMenus(true);
  35
  36     std::string html = "<select id='mySelect' onchange='selectChanged(this)'>"
  37                        "  <option>zero</option>"
  38                        "  <option selected='1'>one</option>"
  39                        "  <option>two</option>"
  40                        "</select>"
  41                        "<select id='myEmptySelect'>"
  42                        "</select>";
  43     if (ShouldRemoveSelectOnChange()) {
  44       html += "<script>"
  45               "  function selectChanged(select) {"
  46               "    select.parentNode.removeChild(select);"
  47               "  }"
  48               "</script>";
  49     }
  50
  51     // Load the test page.
  52     LoadHTML(html.c_str());
  53
  54     // Set a minimum size and give focus so simulated events work.
  55     view()->webwidget()->resize(blink::WebSize(500, 500));
  56     view()->webwidget()->setFocus(true);
  57   }
  58
  59   int GetSelectedIndex() {
  60     base::string16 script(base::ASCIIToUTF16(kSelectID));
  61     script.append(base::ASCIIToUTF16(".selectedIndex"));
  62     int selected_index = -1;
  63     ExecuteJavaScriptAndReturnIntValue(script, &selected_index);
  64     return selected_index;
  65   }
  66
  67  protected:
  68   virtual bool ShouldRemoveSelectOnChange() const { return false; }
  69
  70   DISALLOW_COPY_AND_ASSIGN(ExternalPopupMenuTest);
  71 };
  72
  73 // Normal case: test showing a select popup, canceling/selecting an item.
  74 TEST_F(ExternalPopupMenuTest, NormalCase) {
  75   IPC::TestSink& sink = render_thread_->sink();
  76
  77   // Click the text field once.
  78   EXPECT_TRUE(SimulateElementClick(kSelectID));
  79
  80   // We should have sent a message to the browser to show the popup menu.
  81   const IPC::Message* message =
  82       sink.GetUniqueMessageMatching(ViewHostMsg_ShowPopup::ID);
  83   ASSERT_TRUE(message != NULL);
  84   Tuple1<ViewHostMsg_ShowPopup_Params> param;
  85   ViewHostMsg_ShowPopup::Read(message, &param);
  86   ASSERT_EQ(3U, param.a.popup_items.size());
  87   EXPECT_EQ(1, param.a.selected_item);
  88
  89   // Simulate the user canceling the popup, the index should not have changed.
  90   view()->OnSelectPopupMenuItem(-1);
  91   EXPECT_EQ(1, GetSelectedIndex());
  92
  93   // Show the pop-up again and this time make a selection.
  94   EXPECT_TRUE(SimulateElementClick(kSelectID));
  95   view()->OnSelectPopupMenuItem(0);
  96   EXPECT_EQ(0, GetSelectedIndex());
  97
  98   // Show the pop-up again and make another selection.
  99   sink.ClearMessages();
 100   EXPECT_TRUE(SimulateElementClick(kSelectID));
 101   message = sink.GetUniqueMessageMatching(ViewHostMsg_ShowPopup::ID);
 102   ASSERT_TRUE(message != NULL);
 103   ViewHostMsg_ShowPopup::Read(message, &param);
 104   ASSERT_EQ(3U, param.a.popup_items.size());
 105   EXPECT_EQ(0, param.a.selected_item);
 106 }
 107
 108 // Page shows popup, then navigates away while popup showing, then select.
 109 TEST_F(ExternalPopupMenuTest, ShowPopupThenNavigate) {
 110   // Click the text field once.
 111   EXPECT_TRUE(SimulateElementClick(kSelectID));
 112
 113   // Now we navigate to another pager.
 114   LoadHTML("<blink>Awesome page!</blink>");
 115
 116   // Now the user selects something, we should not crash.
 117   view()->OnSelectPopupMenuItem(-1);
 118 }
 119
 120 // An empty select should not cause a crash when clicked.
 121 // http://crbug.com/63774
 122 TEST_F(ExternalPopupMenuTest, EmptySelect) {
 123   EXPECT_TRUE(SimulateElementClick(kEmptySelectID));
 124 }
 125
 126 class ExternalPopupMenuRemoveTest : public ExternalPopupMenuTest {
 127  public:
 128   ExternalPopupMenuRemoveTest() {}
 129
 130  protected:
 131   virtual bool ShouldRemoveSelectOnChange() const OVERRIDE { return true; }
 132 };
 133
 134 // Tests that nothing bad happen when the page removes the select when it
 135 // changes. (http://crbug.com/61997)
 136 TEST_F(ExternalPopupMenuRemoveTest, RemoveOnChange) {
 137   // Click the text field once to show the popup.
 138   EXPECT_TRUE(SimulateElementClick(kSelectID));
 139
 140   // Select something, it causes the select to be removed from the page.
 141   view()->OnSelectPopupMenuItem(0);
 142
 143   // Just to check the soundness of the test, call SimulateElementClick again.
 144   // It should return false as the select has been removed.
 145   EXPECT_FALSE(SimulateElementClick(kSelectID));
 146 }
 147
 148 }  // namespace content