Add support for Android spellcheck menu in Chrome/WebViews

third_party/WebKit/Source/core/editing/suggestion/TextSuggestionControllerTest.cpp

+// 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/suggestion/TextSuggestionController.h"
+
+#include "core/editing/EditingTestBase.h"
+#include "core/editing/FrameSelection.h"
+#include "core/editing/markers/DocumentMarkerController.h"
+#include "core/editing/spellcheck/SpellChecker.h"
+
+namespace blink {
+
+class TextSuggestionControllerTest : public EditingTestBase {};
+
+TEST_F(TextSuggestionControllerTest, ApplySpellCheckSuggestion) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "spllchck"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 0), Position(text, 8)));
+  // Select immediately before misspelling
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 0), Position(text, 0))
+          .Build());
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .ApplySpellCheckSuggestion("spellcheck");
+
+  EXPECT_EQ("spellcheck", text->textContent());
+}
+
+TEST_F(TextSuggestionControllerTest, DeleteActiveSuggestionRange_DeleteAtEnd) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "word1 word2"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Mark "word2" as misspelled
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 6), Position(text, 11)));
+  // Select immediately before word2
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 6), Position(text, 6))
+          .Build());
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .DeleteActiveSuggestionRange();
+
+  EXPECT_EQ("word1\xA0", text->textContent());
+}
+
+TEST_F(TextSuggestionControllerTest,
+       DeleteActiveSuggestionRange_DeleteInMiddle) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "word1 word2 word3"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Mark "word2" as misspelled
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 6), Position(text, 11)));
+  // Select immediately before word2
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 6), Position(text, 6))
+          .Build());
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .DeleteActiveSuggestionRange();
+
+  // One of the extra spaces around "word2" should have been removed
+  EXPECT_EQ("word1\xA0word3", text->textContent());
+}
+
+TEST_F(TextSuggestionControllerTest,
+       DeleteActiveSuggestionRange_DeleteAtBeginningWithSpaceAfter) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "word1 word2"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Mark "word1" as misspelled
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 0), Position(text, 5)));
+  // Select immediately before word1
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 0), Position(text, 0))
+          .Build());
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .DeleteActiveSuggestionRange();
+
+  // The space after "word1" should have been removed (to avoid leaving an
+  // empty space at the beginning of the composition)
+  EXPECT_EQ("word2", text->textContent());
+}
+
+TEST_F(TextSuggestionControllerTest,
+       DeleteActiveSuggestionRange_DeleteEntireRange) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "word1"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Mark "word1" as misspelled
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 0), Position(text, 5)));
+  // Select immediately before word1
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 0), Position(text, 0))
+          .Build());
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .DeleteActiveSuggestionRange();
+
+  EXPECT_EQ("", text->textContent());
+}
+
+// The following two cases test situations that shouldn't occur in normal use
+// (spellcheck markers not spanning a whole word), but are included anyway to
+// verify that DeleteActiveSuggestionRange() is well-behaved in these cases
+
+TEST_F(TextSuggestionControllerTest,
+       DeleteActiveSuggestionRange_DeleteRangeWithTextBeforeAndSpaceAfter) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "word1word2 word3"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Mark "word2" as misspelled
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 5), Position(text, 10)));
+  // Select immediately before word2
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 5), Position(text, 5))
+          .Build());
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .DeleteActiveSuggestionRange();
+
+  EXPECT_EQ("word1\xA0word3", text->textContent());
+}
+
+TEST_F(TextSuggestionControllerTest,
+       DeleteActiveSuggestionRange_DeleteRangeWithSpaceBeforeAndTextAfter) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "word1 word2word3"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Mark "word2" as misspelled
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 6), Position(text, 11)));
+  // Select immediately before word2
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 6), Position(text, 6))
+          .Build());
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .DeleteActiveSuggestionRange();
+
+  EXPECT_EQ("word1\xA0word3", text->textContent());
+}
+
+TEST_F(TextSuggestionControllerTest,
+       DeleteActiveSuggestionRange_DeleteAtBeginningWithTextAfter) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "word1word2"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Mark "word1" as misspelled
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 0), Position(text, 5)));
+  // Select immediately before word1
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 0), Position(text, 0))
+          .Build());
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .DeleteActiveSuggestionRange();
+
+  EXPECT_EQ("word2", text->textContent());
+}
+
+TEST_F(TextSuggestionControllerTest,
+       DeleteActiveSuggestionRange_NewWordAddedToDictionary) {
+  SetBodyContent(
+      "<div contenteditable>"
+      "embiggen"
+      "</div>");
+  Element* div = GetDocument().QuerySelector("div");
+  Node* text = div->firstChild();
+
+  // Mark "embiggen" as misspelled
+  GetDocument().Markers().AddSpellingMarker(
+      EphemeralRange(Position(text, 0), Position(text, 8)));
+  // Select immediately before embiggen
+  GetDocument().GetFrame()->Selection().SetSelection(
+      SelectionInDOMTree::Builder()
+          .SetBaseAndExtent(Position(text, 0), Position(text, 0))
+          .Build());
+  // Add some other word to the dictionary
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .NewWordAddedToDictionary("cromulent");
+  // Verify the spelling marker is still present
+  EXPECT_TRUE(GetDocument()
+                  .GetFrame()
+                  ->GetSpellChecker()
+                  .GetSpellCheckMarkerTouchingSelection());
+
+  // Add "embiggen" to the dictionary
+  GetDocument()
+      .GetFrame()
+      ->GetTextSuggestionController()
+      .NewWordAddedToDictionary("embiggen");
+  // Verify the spelling marker is gone
+  EXPECT_FALSE(GetDocument()
+                   .GetFrame()
+                   ->GetSpellChecker()
+                   .GetSpellCheckMarkerTouchingSelection());
+}
+
+}  // namespace blink