[MarkersIntersectingRange #2] Add DocumentMarkerController::MarkersIntersectingRange()

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

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 311 matching lines @@
   MarkerController().RemoveSpellingMarkersUnderWords({"foo"});
 
   // RemoveSpellingMarkersUnderWords does not remove text match marker.
   ASSERT_EQ(1u, MarkerController().Markers().size());
   const DocumentMarker& marker = *MarkerController().Markers()[0];
   EXPECT_EQ(0u, marker.StartOffset());
   EXPECT_EQ(3u, marker.EndOffset());
   EXPECT_EQ(DocumentMarker::kTextMatch, marker.GetType());
 }
 
+TEST_F(DocumentMarkerControllerTest, MarkersIntersectingRange) {
+  SetBodyInnerHTML("<div contenteditable>123456789</div>");
+  GetDocument().UpdateStyleAndLayout();
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Add a spelling marker on "123"
+  MarkerController().AddSpellingMarker(
+      EphemeralRange(Position(text, 0), Position(text, 3)));
+  // Add a grammar marker on "456"

[Xiaocheng, 2017/06/22 03:25:10]

s/grammar/text match/

+  MarkerController().AddTextMatchMarker(
+      EphemeralRange(Position(text, 3), Position(text, 6)),
+      TextMatchMarker::MatchStatus::kInactive);
+  // Add a grammar marker on "789"
+  MarkerController().AddSpellingMarker(
+      EphemeralRange(Position(text, 6), Position(text, 9)));
+
+  // Query for spellcheck markers intersecting "3456". The text match marker
+  // should not be returned, nor should the spelling marker touching the range.
+  const Vector<std::pair<Node*, DocumentMarker*>>& results =
+      MarkerController().MarkersIntersectingRange(
+          EphemeralRange(Position(text, 2), Position(text, 6)),
+          DocumentMarker::MisspellingMarkers());
+
+  EXPECT_EQ(1u, results.size());
+  EXPECT_EQ(DocumentMarker::kSpelling, results[0].second->GetType());
+  EXPECT_EQ(0u, results[0].second->StartOffset());
+  EXPECT_EQ(3u, results[0].second->EndOffset());
+}
+
 }  // namespace blink