[MarkersIntersectingRange #2.1] Add DocumentMarkerController::FirstMarkerIntersectingOffsetRange()

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 294 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, FirstMarkerIntersectingOffsetRange) {
+  SetBodyContent("<div contenteditable>123456789</div>");
+  GetDocument().UpdateStyleAndLayout();
+  Element* div = GetDocument().QuerySelector("div");
+  Text* text = ToText(div->firstChild());
+
+  // Add a spelling marker on "123"
+  MarkerController().AddSpellingMarker(
+      EphemeralRange(Position(text, 0), Position(text, 3)));
+
+  // Query for a spellcheck marker intersecting "3456"
+  const DocumentMarker* const result =
+      MarkerController().FirstMarkerIntersectingOffsetRange(
+          *text, 2, 6, DocumentMarker::MisspellingMarkers());
+
+  EXPECT_EQ(DocumentMarker::kSpelling, result->GetType());
+  EXPECT_EQ(0u, result->StartOffset());
+  EXPECT_EQ(3u, result->EndOffset());
+}
+
+TEST_F(DocumentMarkerControllerTest,
+       FirstMarkerIntersectingOffsetRange_collapsed) {
+  SetBodyContent("<div contenteditable>123456789</div>");
+  GetDocument().UpdateStyleAndLayout();
+  Element* div = GetDocument().QuerySelector("div");
+  Text* text = ToText(div->firstChild());
+
+  // Add a spelling marker on "123"
+  MarkerController().AddSpellingMarker(
+      EphemeralRange(Position(text, 0), Position(text, 3)));
+
+  // Query for a spellcheck marker containing the position between "1" and "2"
+  const DocumentMarker* const result =
+      MarkerController().FirstMarkerIntersectingOffsetRange(
+          *text, 1, 1, DocumentMarker::MisspellingMarkers());
+
+  EXPECT_EQ(DocumentMarker::kSpelling, result->GetType());
+  EXPECT_EQ(0u, result->StartOffset());
+  EXPECT_EQ(3u, result->EndOffset());
+}
+
 }  // namespace blink