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 f190ac91c5137284e4e0baf55c96739e5a043074..590c7b3b17d89e6f66c91473b1bb7a16de27096d 100644
--- a/third_party/WebKit/Source/web/tests/WebViewTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
@@ -1409,6 +1409,49 @@ TEST_P(WebViewTest, DeleteSurroundingText) {
   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()),