[DMC #4] Add SingletonMarkerListImpl

third_party/WebKit/Source/core/editing/markers/SingletonMarkerListImplTest.cpp

Index: third_party/WebKit/Source/core/editing/markers/SingletonMarkerListImplTest.cpp
diff --git a/third_party/WebKit/Source/core/editing/markers/SingletonMarkerListImplTest.cpp b/third_party/WebKit/Source/core/editing/markers/SingletonMarkerListImplTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e6bb0a11dcfe460cf5af871757d6f07a71f1e1af
--- /dev/null
+++ b/third_party/WebKit/Source/core/editing/markers/SingletonMarkerListImplTest.cpp
@@ -0,0 +1,129 @@
+// Copyright 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/markers/SingletonMarkerListImpl.h"
+
+#include "core/editing/EditingTestBase.h"
+
+namespace blink {
+
+class SingletonMarkerListImplTest : public EditingTestBase {
+ protected:
+  SingletonMarkerListImplTest() : marker_list_(new SingletonMarkerListImpl()) {}
+
+  DocumentMarker* CreateMarker(unsigned start_offset, unsigned end_offset) {
+    return new DocumentMarker(start_offset, end_offset, Color::kBlack, false,
+                              Color::kBlack);
+  }
+
+  Persistent<SingletonMarkerListImpl> marker_list_;
+};
+
+TEST_F(SingletonMarkerListImplTest, Add) {
+  DocumentMarkerVector markers_in_list;
+  marker_list_->AppendMarkersToInputList(&markers_in_list);
+  EXPECT_EQ(0u, markers_in_list.size());
+
+  marker_list_->Add(CreateMarker(0, 1));
+  marker_list_->AppendMarkersToInputList(&markers_in_list);
+
+  EXPECT_EQ(1u, markers_in_list.size());
+
+  EXPECT_EQ(0u, markers_in_list[0]->StartOffset());
+  EXPECT_EQ(1u, markers_in_list[0]->EndOffset());
+}
+
+TEST_F(SingletonMarkerListImplTest, Clear) {
+  EXPECT_TRUE(marker_list_->IsEmpty());
+
+  marker_list_->Add(CreateMarker(0, 1));
+  EXPECT_FALSE(marker_list_->IsEmpty());
+
+  marker_list_->Clear();
+  EXPECT_TRUE(marker_list_->IsEmpty());
+}
+
+TEST_F(SingletonMarkerListImplTest, MoveMarkersNoOp) {
+  SingletonMarkerListImpl* dst_list = new SingletonMarkerListImpl();
+  marker_list_->MoveMarkers(5, dst_list);
+
+  EXPECT_TRUE(dst_list->IsEmpty());
+
+  marker_list_->Add(CreateMarker(5, 10));
+  marker_list_->MoveMarkers(5, dst_list);
+
+  EXPECT_TRUE(dst_list->IsEmpty());
+}
+
+TEST_F(SingletonMarkerListImplTest, MoveMarkersDoingMove) {
+  SingletonMarkerListImpl* dst_list = new SingletonMarkerListImpl();
+
+  marker_list_->Add(CreateMarker(5, 10));
+  marker_list_->MoveMarkers(8, dst_list);
+
+  EXPECT_TRUE(marker_list_->IsEmpty());
+
+  DocumentMarkerVector markers_in_list;
+  dst_list->AppendMarkersToInputList(&markers_in_list);
+
+  EXPECT_EQ(1u, markers_in_list.size());
+
+  EXPECT_EQ(5u, markers_in_list[0]->StartOffset());
+  EXPECT_EQ(7u, markers_in_list[0]->EndOffset());
+}
+
+TEST_F(SingletonMarkerListImplTest, RemoveMarkersNoOp) {
+  // Test that removing from an empty list doesn't crash
+  marker_list_->RemoveMarkers(0, 5);
+
+  marker_list_->Add(CreateMarker(5, 10));
+  marker_list_->RemoveMarkers(0, 5);
+
+  EXPECT_FALSE(marker_list_->IsEmpty());
+}
+
+TEST_F(SingletonMarkerListImplTest, RemoveMarkersDoingRemove) {
+  marker_list_->Add(CreateMarker(5, 10));
+  EXPECT_FALSE(marker_list_->IsEmpty());
+
+  marker_list_->RemoveMarkers(0, 6);
+  EXPECT_TRUE(marker_list_->IsEmpty());
+}
+
+TEST_F(SingletonMarkerListImplTest, ShiftMarkersNoOp) {
+  // Test that calling ShiftMarkers() on an empty list doesn't crash
+  marker_list_->ShiftMarkers(0, 5, 0);
+
+  marker_list_->Add(CreateMarker(5, 10));
+  EXPECT_FALSE(marker_list_->ShiftMarkers(15, 5, 0));
+
+  DocumentMarkerVector markers_in_list;
+  marker_list_->AppendMarkersToInputList(&markers_in_list);
+
+  EXPECT_EQ(1u, markers_in_list.size());
+
+  EXPECT_EQ(5u, markers_in_list[0]->StartOffset());
+  EXPECT_EQ(10u, markers_in_list[0]->EndOffset());
+}
+
+TEST_F(SingletonMarkerListImplTest, ShiftMarkersRemove) {
+  marker_list_->Add(CreateMarker(5, 10));
+  EXPECT_TRUE(marker_list_->ShiftMarkers(0, 15, 0));
+  EXPECT_TRUE(marker_list_->IsEmpty());
+}
+
+TEST_F(SingletonMarkerListImplTest, ShiftMarkersMove) {
+  marker_list_->Add(CreateMarker(5, 10));
+  EXPECT_TRUE(marker_list_->ShiftMarkers(0, 5, 0));
+
+  DocumentMarkerVector markers_in_list;
+  marker_list_->AppendMarkersToInputList(&markers_in_list);
+
+  EXPECT_EQ(1u, markers_in_list.size());
+
+  EXPECT_EQ(0u, markers_in_list[0]->StartOffset());
+  EXPECT_EQ(5u, markers_in_list[0]->EndOffset());
+}
+
+}  // namespace blink