Implement ThreadedInputConnection.deleteSurroundingTextInCodePoints()

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 1391 matching lines @@
   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_P(WebViewTest, DeleteSurroundingTextInCodePoints) {
+  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->deleteSurroundingTextInCodePoints(5, 8);
+  WebTextInputInfo info = webView->textInputInfo();
+  EXPECT_EQ("01234ijklmnopqrstuvwxyz", std::string(info.value.utf8().data()));

[Changwan Ryu, 2017/01/11 02:00:27]

how about deleting a surrounding pair in this test case?

[yabinh, 2017/01/24 11:39:56]

Done.

+  EXPECT_EQ(5, info.selectionStart);
+  EXPECT_EQ(5, info.selectionEnd);
+
+  frame->setEditableSelectionOffsets(5, 10);
+  frame->deleteSurroundingTextInCodePoints(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->deleteSurroundingTextInCodePoints(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->deleteSurroundingTextInCodePoints(0, 20);
+  info = webView->textInputInfo();
+  EXPECT_EQ("", std::string(info.value.utf8().data()));
+  EXPECT_EQ(0, info.selectionStart);
+  EXPECT_EQ(0, info.selectionEnd);
+
+  frame->deleteSurroundingTextInCodePoints(10, 10);
+  info = webView->textInputInfo();
+  EXPECT_EQ("", std::string(info.value.utf8().data()));
+  EXPECT_EQ(0, info.selectionStart);
+  EXPECT_EQ(0, info.selectionEnd);
+}
+
 TEST_P(WebViewTest, SetCompositionFromExistingText) {
   URLTestHelpers::registerMockedURLFromBaseURL(
       WebString::fromUTF8(m_baseURL.c_str()),
       WebString::fromUTF8("input_field_populated.html"));
   WebViewImpl* 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 = webView->mainFrameImpl();
@@ skipping 2871 matching lines @@
       .translate(50, 55)
       .scale(1. / 2.f);
   EXPECT_EQ(expectedMatrix,
             webViewImpl->getDeviceEmulationTransformForTesting());
   // visibleContentRect doesn't change.
   EXPECT_EQ(IntRect(50, 55, 50, 75),
             *devToolsEmulator->visibleContentRectForPainting());
 }
 
 }  // namespace blink