Implement ThreadedInputConnection.deleteSurroundingTextInCodePoints()

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

Index: third_party/WebKit/Source/web/tests/WebViewTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebViewTest.cpp b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
index 1bf6e399b662dcadcf11434e50694f3b3f028622..0b5c2cfbd2a8ae9a5c1c20e42335ed1a0359a442 100644
--- a/third_party/WebKit/Source/web/tests/WebViewTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
@@ -1434,6 +1434,34 @@ TEST_P(WebViewTest, DeleteSurroundingText) {
   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()),