Fix InputConnection.deleteSurroundingText()

third_party/WebKit/Source/web/tests/WebViewTest.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 899 matching lines @@
     frame->extendSelectionAndDelete(5, 8);
     WebTextInputInfo info = webView->textInputInfo();
     EXPECT_EQ("01234ijklmnopqrstuvwxyz", std::string(info.value.utf8().data()));
     EXPECT_EQ(5, info.selectionStart);
     EXPECT_EQ(5, info.selectionEnd);
     frame->extendSelectionAndDelete(10, 0);
     info = webView->textInputInfo();
     EXPECT_EQ("ijklmnopqrstuvwxyz", std::string(info.value.utf8().data()));
 }
 
+TEST_F(WebViewTest, DeleteSurroundingText)
+{
+    URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("input_field_populated.html"));
+    WebView* webView = m_webViewHelper.initializeAndLoad(m_baseURL + "input_field_populated.html");
+    WebLocalFrameImpl* frame = toWebLocalFrameImpl(webView->mainFrame());
+    webView->setInitialFocus(false);
+
+    frame->setEditableSelectionOffsets(10, 10);
+    frame->deleteSurroundingText(5, 8);
+    WebTextInputInfo info = webView->textInputInfo();
+    EXPECT_EQ("01234ijklmnopqrstuvwxyz", std::string(info.value.utf8().data()));
+    EXPECT_EQ(5, info.selectionStart);
+    EXPECT_EQ(5, info.selectionEnd);
+
+    frame->setEditableSelectionOffsets(5, 10);
+    frame->deleteSurroundingText(3, 5);
+    info = webView->textInputInfo();
+    EXPECT_EQ("01ijklmstuvwxyz", std::string(info.value.utf8().data()));
+    EXPECT_EQ(2, info.selectionStart);
+    EXPECT_EQ(7, info.selectionEnd);
+
+    frame->setEditableSelectionOffsets(5, 5);
+    frame->deleteSurroundingText(10, 0);
+    info = webView->textInputInfo();
+    EXPECT_EQ("lmstuvwxyz", std::string(info.value.utf8().data()));
+    EXPECT_EQ(0, info.selectionStart);
+    EXPECT_EQ(0, info.selectionEnd);
+
+    frame->deleteSurroundingText(0, 20);
+    info = webView->textInputInfo();
+    EXPECT_EQ("", std::string(info.value.utf8().data()));
+    EXPECT_EQ(0, info.selectionStart);
+    EXPECT_EQ(0, info.selectionEnd);
+
+    frame->deleteSurroundingText(10, 10);
+    info = webView->textInputInfo();
+    EXPECT_EQ("", std::string(info.value.utf8().data()));
+    EXPECT_EQ(0, info.selectionStart);
+    EXPECT_EQ(0, info.selectionEnd);
+}
+
 TEST_F(WebViewTest, SetCompositionFromExistingText)
 {
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("input_field_populated.html"));
     WebView* webView = m_webViewHelper.initializeAndLoad(m_baseURL + "input_field_populated.html");
     webView->setInitialFocus(false);
     WebVector<WebCompositionUnderline> underlines(static_cast<size_t>(1));
     underlines[0] = WebCompositionUnderline(0, 4, 0, false, 0);
     WebLocalFrameImpl* frame = toWebLocalFrameImpl(webView->mainFrame());
     frame->setEditableSelectionOffsets(4, 10);
     frame->setCompositionFromExistingText(8, 12, underlines);
@@ skipping 2202 matching lines @@
     frame->setAutofillClient(&client);
     webView->setInitialFocus(false);
 
     EXPECT_TRUE(webView->confirmComposition(WebString::fromUTF8(std::string("hello").c_str())));
     EXPECT_EQ(1, client.textChangesFromUserGesture());
     EXPECT_FALSE(UserGestureIndicator::processingUserGesture());
     frame->setAutofillClient(0);
 }
 
 } // namespace blink