1 files changed, 219 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/editing/markers/document_marker_test.cc b/chromium/third_party/blink/renderer/core/editing/markers/document_marker_test.cc
new file mode 100644
index 00000000000..996f4c40d84
--- /dev/null
+++ b/chromium/third_party/blink/renderer/core/editing/markers/document_marker_test.cc
@@ -0,0 +1,219 @@
+// 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 "third_party/blink/renderer/core/editing/markers/document_marker.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/blink/renderer/core/editing/markers/text_match_marker.h"
+
+namespace blink {
+
+using MarkerOffsets = DocumentMarker::MarkerOffsets;
+
+class DocumentMarkerTest : public testing::Test {
+ protected:
+  DocumentMarker* CreateMarker(unsigned startOffset, unsigned endOffset) {
+    return new TextMatchMarker(startOffset, endOffset,
+                               TextMatchMarker::MatchStatus::kInactive);
+  }
+};
+
+TEST_F(DocumentMarkerTest, MarkerTypeIteratorEmpty) {
+  DocumentMarker::MarkerTypes types(0);
+  EXPECT_TRUE(types.begin() == types.end());
+}
+
+TEST_F(DocumentMarkerTest, MarkerTypeIteratorOne) {
+  DocumentMarker::MarkerTypes types(DocumentMarker::kSpelling);
+  ASSERT_TRUE(types.begin() != types.end());
+  auto it = types.begin();
+  EXPECT_EQ(DocumentMarker::kSpelling, *it);
+  ++it;
+  EXPECT_TRUE(it == types.end());
+}
+
+TEST_F(DocumentMarkerTest, MarkerTypeIteratorConsecutive) {
+  DocumentMarker::MarkerTypes types(0b11);  // Spelling | Grammar
+  ASSERT_TRUE(types.begin() != types.end());
+  auto it = types.begin();
+  EXPECT_EQ(DocumentMarker::kSpelling, *it);
+  ++it;
+  EXPECT_EQ(DocumentMarker::kGrammar, *it);
+  ++it;
+  EXPECT_TRUE(it == types.end());
+}
+
+TEST_F(DocumentMarkerTest, MarkerTypeIteratorDistributed) {
+  DocumentMarker::MarkerTypes types(0b101);  // Spelling | TextMatch
+  ASSERT_TRUE(types.begin() != types.end());
+  auto it = types.begin();
+  EXPECT_EQ(DocumentMarker::kSpelling, *it);
+  ++it;
+  EXPECT_EQ(DocumentMarker::kTextMatch, *it);
+  ++it;
+  EXPECT_TRUE(it == types.end());
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteAfter) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 0);
+  EXPECT_EQ(0u, result.value().start_offset);
+  EXPECT_EQ(5u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteEndAndAfter) {
+  DocumentMarker* marker = CreateMarker(10, 15);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 0);
+  EXPECT_EQ(10u, result.value().start_offset);
+  EXPECT_EQ(13u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteBeforeAndAfter) {
+  DocumentMarker* marker = CreateMarker(20, 25);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 0);
+  EXPECT_EQ(WTF::nullopt, result);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteBeforeAndBeginning) {
+  DocumentMarker* marker = CreateMarker(30, 35);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 0);
+  EXPECT_EQ(13u, result.value().start_offset);
+  EXPECT_EQ(16u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteBefore) {
+  DocumentMarker* marker = CreateMarker(40, 45);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 0);
+  EXPECT_EQ(21u, result.value().start_offset);
+  EXPECT_EQ(26u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteStartAndAfter) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(0, 10, 0);
+  EXPECT_EQ(WTF::nullopt, result);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteBeforeAndEnd) {
+  DocumentMarker* marker = CreateMarker(5, 10);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(0, 10, 0);
+  EXPECT_EQ(WTF::nullopt, result);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteMarkerExactly) {
+  DocumentMarker* marker = CreateMarker(5, 10);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(5, 5, 0);
+  EXPECT_EQ(WTF::nullopt, result);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_DeleteMiddleOfMarker) {
+  DocumentMarker* marker = CreateMarker(5, 10);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(6, 3, 0);
+  EXPECT_EQ(5u, result.value().start_offset);
+  EXPECT_EQ(7u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_InsertAfter) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(10, 0, 5);
+  EXPECT_EQ(0u, result.value().start_offset);
+  EXPECT_EQ(5u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_InsertImmediatelyAfter) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(5, 0, 5);
+  EXPECT_EQ(0u, result.value().start_offset);
+  EXPECT_EQ(5u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_InsertInMiddle) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(2, 0, 5);
+  EXPECT_EQ(0u, result.value().start_offset);
+  EXPECT_EQ(10u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_InsertImmediatelyBefore) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(0, 0, 5);
+  EXPECT_EQ(5u, result.value().start_offset);
+  EXPECT_EQ(10u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_InsertBefore) {
+  DocumentMarker* marker = CreateMarker(5, 10);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(0, 0, 5);
+  EXPECT_EQ(10u, result.value().start_offset);
+  EXPECT_EQ(15u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceAfter) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 1);
+  EXPECT_EQ(0u, result.value().start_offset);
+  EXPECT_EQ(5u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceEndAndAfter) {
+  DocumentMarker* marker = CreateMarker(10, 15);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 1);
+  EXPECT_EQ(10u, result.value().start_offset);
+  EXPECT_EQ(13u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceBeforeAndAfter) {
+  DocumentMarker* marker = CreateMarker(20, 25);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 1);
+  EXPECT_EQ(WTF::nullopt, result);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceBeforeAndBeginning) {
+  DocumentMarker* marker = CreateMarker(30, 35);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 1);
+  EXPECT_EQ(14u, result.value().start_offset);
+  EXPECT_EQ(17u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceBefore) {
+  DocumentMarker* marker = CreateMarker(40, 45);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(13, 19, 1);
+  EXPECT_EQ(22u, result.value().start_offset);
+  EXPECT_EQ(27u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceBeginning) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(0, 2, 1);
+  EXPECT_EQ(0u, result.value().start_offset);
+  EXPECT_EQ(4u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceEnd) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(3, 2, 1);
+  EXPECT_EQ(0u, result.value().start_offset);
+  EXPECT_EQ(4u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceExactly) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(0, 5, 1);
+  EXPECT_EQ(0u, result.value().start_offset);
+  EXPECT_EQ(1u, result.value().end_offset);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceBeginningAndAfter) {
+  DocumentMarker* marker = CreateMarker(0, 5);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(0, 6, 1);
+  EXPECT_EQ(WTF::nullopt, result);
+}
+
+TEST_F(DocumentMarkerTest, GetShiftedMarkerPosition_ReplaceBeforeAndEnd) {
+  DocumentMarker* marker = CreateMarker(5, 10);
+  Optional<MarkerOffsets> result = marker->ComputeOffsetsAfterShift(4, 6, 1);
+  EXPECT_EQ(WTF::nullopt, result);
+}
+
+}  // namespace blink