DocumentMarkerList refactor as an interface

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(GetDocument().body()->firstChild());
+
+  EphemeralRange range = PlainTextRange(0, 5).CreateRange(*div);
+  GetDocument().Markers().AddTextMatchMarker(
+      range, DocumentMarker::MatchStatus::kInactive);
+
+  range = PlainTextRange(6, 11).CreateRange(*div);
+  GetDocument().Markers().AddTextMatchMarker(
+      range, DocumentMarker::MatchStatus::kInactive);
+
+  range = PlainTextRange(12, 17).CreateRange(*div);
+  GetDocument().Markers().AddTextMatchMarker(
+      range, DocumentMarker::MatchStatus::kInactive);
+
+  SimpleEditCommand* command = SplitTextNodeCommand::Create(
+      ToText(GetDocument().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, GetDocument().Markers().MarkersFor(text1).size());
+
+  EXPECT_EQ(0u, GetDocument().Markers().MarkersFor(text1)[0]->StartOffset());
+  EXPECT_EQ(5u, GetDocument().Markers().MarkersFor(text1)[0]->EndOffset());
+
+  EXPECT_EQ(6u, GetDocument().Markers().MarkersFor(text1)[1]->StartOffset());
+  EXPECT_EQ(7u, GetDocument().Markers().MarkersFor(text1)[1]->EndOffset());
+
+  EXPECT_EQ(1u, GetDocument().Markers().MarkersFor(text2).size());
+
+  EXPECT_EQ(4u, GetDocument().Markers().MarkersFor(text2)[0]->StartOffset());
+  EXPECT_EQ(9u, GetDocument().Markers().MarkersFor(text2)[0]->EndOffset());
+
+  // Test undo
+  command->DoUnapply();
+
+  Node* text = ToText(div->firstChild());
+
+  EXPECT_EQ(3u, GetDocument().Markers().MarkersFor(text).size());
+
+  EXPECT_EQ(0u, GetDocument().Markers().MarkersFor(text)[0]->StartOffset());
+  EXPECT_EQ(5u, GetDocument().Markers().MarkersFor(text)[0]->EndOffset());
+
+  // TODO(rlanday): the truncated marker that spanned node boundaries is not
+  // restored properly
+  EXPECT_EQ(6u, GetDocument().Markers().MarkersFor(text)[1]->StartOffset());
+  EXPECT_EQ(7u, GetDocument().Markers().MarkersFor(text)[1]->EndOffset());
+
+  EXPECT_EQ(12u, GetDocument().Markers().MarkersFor(text)[2]->StartOffset());
+  EXPECT_EQ(17u, GetDocument().Markers().MarkersFor(text)[2]->EndOffset());
+
+  // Test redo
+  command->DoReapply();
+
+  text1 = ToText(div->firstChild());
+  text2 = ToText(text1->nextSibling());
+
+  EXPECT_EQ(2u, GetDocument().Markers().MarkersFor(text1).size());
+
+  EXPECT_EQ(0u, GetDocument().Markers().MarkersFor(text1)[0]->StartOffset());
+  EXPECT_EQ(5u, GetDocument().Markers().MarkersFor(text1)[0]->EndOffset());
+
+  EXPECT_EQ(6u, GetDocument().Markers().MarkersFor(text1)[1]->StartOffset());
+  EXPECT_EQ(7u, GetDocument().Markers().MarkersFor(text1)[1]->EndOffset());
+
+  EXPECT_EQ(1u, GetDocument().Markers().MarkersFor(text2).size());
+
+  EXPECT_EQ(4u, GetDocument().Markers().MarkersFor(text2)[0]->StartOffset());
+  EXPECT_EQ(9u, GetDocument().Markers().MarkersFor(text2)[0]->EndOffset());
+}
+
+}  // namespace blink