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 1416 matching lines @@
   EXPECT_EQ(0, info.selectionStart);
   EXPECT_EQ(0, info.selectionEnd);
 
   frame->deleteSurroundingText(10, 10);
   info = activeInputMethodController->textInputInfo();
   EXPECT_EQ("", std::string(info.value.utf8().data()));
   EXPECT_EQ(0, info.selectionStart);
   EXPECT_EQ(0, info.selectionEnd);
 }
 
+TEST_P(WebViewTest, DeleteSurroundingTextInCodePoints) {

[Changwan Ryu, 2017/01/25 07:30:56]

I don't think that this test adds any value because IMCTest covers it. (Sorry I
didn't notice earlier.)

[yabinh, 2017/02/08 12:32:42]

Done. Removed.

+  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());
+  // Focus on node "sample2".
+  webView->setInitialFocus(true);
+
+  frame->setEditableSelectionOffsets(4, 4);
+  frame->deleteSurroundingTextInCodePoints(2, 2);
+  WebInputMethodController* activeInputMethodController =
+      frame->inputMethodController();
+  WebTextInputInfo info = activeInputMethodController->textInputInfo();
+  // "a" + "def" + trophy + space + "gh".
+  EXPECT_EQ(WebString::fromUTF8("adef\xF0\x9F\x8F\x86 gh"), info.value);
+  EXPECT_EQ(1, info.selectionStart);
+  EXPECT_EQ(1, info.selectionEnd);
+
+  frame->setEditableSelectionOffsets(1, 3);
+  frame->deleteSurroundingTextInCodePoints(1, 4);
+  info = activeInputMethodController->textInputInfo();
+  EXPECT_EQ("deh", info.value);
+  EXPECT_EQ(0, info.selectionStart);
+  EXPECT_EQ(2, 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 2935 matching lines @@
   EXPECT_EQ(expectedWidth, vwElement->offsetWidth());
   EXPECT_EQ(expectedHeight, vwElement->offsetHeight());
 
   webView->resize(WebSize(800, 600));
   frame->printEnd();
 
   EXPECT_EQ(800, vwElement->offsetWidth());
 }
 
 }  // namespace blink