Add SplitTextNodeCommandTest

third_party/WebKit/Source/core/editing/commands/SplitTextNodeCommandTest.cpp

+// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/editing/commands/SplitTextNodeCommand.h"
+
+#include "core/editing/EditingTestBase.h"
+#include "core/editing/PlainTextRange.h"
+#include "core/editing/commands/EditingState.h"
+#include "core/editing/markers/DocumentMarkerController.h"
+
+namespace blink {
+
+class SplitTextNodeCommandTest : public EditingTestBase {};
+
+TEST_F(SplitTextNodeCommandTest, splitInMarkerInterior) {
+  setBodyContent("<div contenteditable>test1 test2 test3</div>");
+
+  ContainerNode* div = toContainerNode(document().body()->firstChild());
+
+  EphemeralRange range = PlainTextRange(0, 5).createRange(*div);
+  document().markers().addTextMatchMarker(
+      range, DocumentMarker::MatchStatus::kInactive);
+
+  range = PlainTextRange(6, 11).createRange(*div);
+  document().markers().addTextMatchMarker(
+      range, DocumentMarker::MatchStatus::kInactive);
+
+  range = PlainTextRange(12, 17).createRange(*div);
+  document().markers().addTextMatchMarker(
+      range, DocumentMarker::MatchStatus::kInactive);
+
+  SimpleEditCommand* command = SplitTextNodeCommand::create(
+      toText(document().body()->firstChild()->firstChild()), 8);
+
+  EditingState editingState;
+  command->doApply(&editingState);
+
+  Node* text1 = toText(div->firstChild());
+  Node* text2 = toText(text1->nextSibling());
+
+  // The first marker should end up in text1, the second marker should be
+  // truncated and end up text1, the third marker should end up in text2
+  // and its offset shifted to remain on the same piece of text
+
+  EXPECT_EQ(2u, document().markers().markersFor(text1).size());
+
+  EXPECT_EQ(0u, document().markers().markersFor(text1)[0]->startOffset());
+  EXPECT_EQ(5u, document().markers().markersFor(text1)[0]->endOffset());
+
+  EXPECT_EQ(6u, document().markers().markersFor(text1)[1]->startOffset());
+  EXPECT_EQ(7u, document().markers().markersFor(text1)[1]->endOffset());
+
+  EXPECT_EQ(1u, document().markers().markersFor(text2).size());
+
+  EXPECT_EQ(4u, document().markers().markersFor(text2)[0]->startOffset());
+  EXPECT_EQ(9u, document().markers().markersFor(text2)[0]->endOffset());
+
+  // Test undo
+  command->doUnapply();
+
+  Node* text = toText(div->firstChild());
+
+  EXPECT_EQ(3u, document().markers().markersFor(text).size());
+
+  EXPECT_EQ(0u, document().markers().markersFor(text)[0]->startOffset());
+  EXPECT_EQ(5u, document().markers().markersFor(text)[0]->endOffset());
+
+  // TODO(rlanday): the truncated marker that spanned node boundaries is not

[Xiaocheng, 2017/04/08 02:38:19]

Do you really plan to fix it?

I don't see a clean fix right now.

+  // restored properly
+  EXPECT_EQ(6u, document().markers().markersFor(text)[1]->startOffset());
+  EXPECT_EQ(7u, document().markers().markersFor(text)[1]->endOffset());
+
+  EXPECT_EQ(12u, document().markers().markersFor(text)[2]->startOffset());
+  EXPECT_EQ(17u, document().markers().markersFor(text)[2]->endOffset());
+
+  // Test redo
+  command->doReapply();
+
+  text1 = toText(div->firstChild());
+  text2 = toText(text1->nextSibling());
+
+  EXPECT_EQ(2u, document().markers().markersFor(text1).size());
+
+  EXPECT_EQ(0u, document().markers().markersFor(text1)[0]->startOffset());
+  EXPECT_EQ(5u, document().markers().markersFor(text1)[0]->endOffset());
+
+  EXPECT_EQ(6u, document().markers().markersFor(text1)[1]->startOffset());
+  EXPECT_EQ(7u, document().markers().markersFor(text1)[1]->endOffset());
+
+  EXPECT_EQ(1u, document().markers().markersFor(text2).size());
+
+  EXPECT_EQ(4u, document().markers().markersFor(text2)[0]->startOffset());
+  EXPECT_EQ(9u, document().markers().markersFor(text2)[0]->endOffset());
+}
+
+}  // namespace blink