| // Copyright 2016 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/selection_template.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/editing/ephemeral_range.h" |
| #include "third_party/blink/renderer/core/editing/testing/editing_test_base.h" |
| |
| namespace blink { |
| |
| class SelectionTest : public EditingTestBase {}; |
| |
| TEST_F(SelectionTest, defaultConstructor) { |
| SelectionInDOMTree selection; |
| |
| EXPECT_EQ(TextAffinity::kDownstream, selection.Affinity()); |
| EXPECT_TRUE(selection.IsBaseFirst()); |
| EXPECT_TRUE(selection.IsNone()); |
| EXPECT_EQ(Position(), selection.Base()); |
| EXPECT_EQ(Position(), selection.Extent()); |
| EXPECT_EQ(EphemeralRange(), selection.ComputeRange()); |
| } |
| |
| TEST_F(SelectionTest, IsBaseFirst) { |
| SetBodyContent("<div id='sample'>abcdef</div>"); |
| |
| Element* sample = GetDocument().getElementById("sample"); |
| Position base(Position(sample->firstChild(), 4)); |
| Position extent(Position(sample->firstChild(), 2)); |
| SelectionInDOMTree::Builder builder; |
| builder.Collapse(base); |
| builder.Extend(extent); |
| const SelectionInDOMTree& selection = builder.Build(); |
| |
| EXPECT_EQ(TextAffinity::kDownstream, selection.Affinity()); |
| EXPECT_FALSE(selection.IsBaseFirst()); |
| EXPECT_FALSE(selection.IsNone()); |
| EXPECT_EQ(base, selection.Base()); |
| EXPECT_EQ(extent, selection.Extent()); |
| } |
| |
| TEST_F(SelectionTest, caret) { |
| SetBodyContent("<div id='sample'>abcdef</div>"); |
| |
| Element* sample = GetDocument().getElementById("sample"); |
| Position position(Position(sample->firstChild(), 2)); |
| SelectionInDOMTree::Builder builder; |
| builder.Collapse(position); |
| const SelectionInDOMTree& selection = builder.Build(); |
| |
| EXPECT_EQ(TextAffinity::kDownstream, selection.Affinity()); |
| EXPECT_TRUE(selection.IsBaseFirst()); |
| EXPECT_FALSE(selection.IsNone()); |
| EXPECT_EQ(position, selection.Base()); |
| EXPECT_EQ(position, selection.Extent()); |
| } |
| |
| TEST_F(SelectionTest, range) { |
| SetBodyContent("<div id='sample'>abcdef</div>"); |
| |
| Element* sample = GetDocument().getElementById("sample"); |
| Position base(Position(sample->firstChild(), 2)); |
| Position extent(Position(sample->firstChild(), 4)); |
| SelectionInDOMTree::Builder builder; |
| builder.Collapse(base); |
| builder.Extend(extent); |
| const SelectionInDOMTree& selection = builder.Build(); |
| |
| EXPECT_EQ(TextAffinity::kDownstream, selection.Affinity()); |
| EXPECT_TRUE(selection.IsBaseFirst()); |
| EXPECT_FALSE(selection.IsNone()); |
| EXPECT_EQ(base, selection.Base()); |
| EXPECT_EQ(extent, selection.Extent()); |
| } |
| |
| TEST_F(SelectionTest, SetAsBacwardAndForward) { |
| SetBodyContent("<div id='sample'>abcdef</div>"); |
| |
| Element* sample = GetDocument().getElementById("sample"); |
| Position start(Position(sample->firstChild(), 2)); |
| Position end(Position(sample->firstChild(), 4)); |
| EphemeralRange range(start, end); |
| const SelectionInDOMTree& backward_selection = |
| SelectionInDOMTree::Builder().SetAsBackwardSelection(range).Build(); |
| const SelectionInDOMTree& forward_selection = |
| SelectionInDOMTree::Builder().SetAsForwardSelection(range).Build(); |
| const SelectionInDOMTree& collapsed_selection = |
| SelectionInDOMTree::Builder() |
| .SetAsForwardSelection(EphemeralRange(start)) |
| .Build(); |
| |
| EXPECT_EQ(TextAffinity::kDownstream, backward_selection.Affinity()); |
| EXPECT_FALSE(backward_selection.IsBaseFirst()); |
| EXPECT_FALSE(backward_selection.IsNone()); |
| EXPECT_EQ(end, backward_selection.Base()); |
| EXPECT_EQ(start, backward_selection.Extent()); |
| EXPECT_EQ(start, backward_selection.ComputeStartPosition()); |
| EXPECT_EQ(end, backward_selection.ComputeEndPosition()); |
| EXPECT_EQ(range, backward_selection.ComputeRange()); |
| |
| EXPECT_EQ(TextAffinity::kDownstream, forward_selection.Affinity()); |
| EXPECT_TRUE(forward_selection.IsBaseFirst()); |
| EXPECT_FALSE(forward_selection.IsNone()); |
| EXPECT_EQ(start, forward_selection.Base()); |
| EXPECT_EQ(end, forward_selection.Extent()); |
| EXPECT_EQ(start, forward_selection.ComputeStartPosition()); |
| EXPECT_EQ(end, forward_selection.ComputeEndPosition()); |
| EXPECT_EQ(range, forward_selection.ComputeRange()); |
| |
| EXPECT_EQ(TextAffinity::kDownstream, collapsed_selection.Affinity()); |
| EXPECT_TRUE(collapsed_selection.IsBaseFirst()); |
| EXPECT_FALSE(collapsed_selection.IsNone()); |
| EXPECT_EQ(start, collapsed_selection.Base()); |
| EXPECT_EQ(start, collapsed_selection.Extent()); |
| EXPECT_EQ(start, collapsed_selection.ComputeStartPosition()); |
| EXPECT_EQ(start, collapsed_selection.ComputeEndPosition()); |
| EXPECT_EQ(EphemeralRange(start, start), collapsed_selection.ComputeRange()); |
| } |
| |
| TEST_F(SelectionTest, EquivalentPositions) { |
| SetBodyContent( |
| "<div id='first'></div>" |
| "<div id='last'></div>"); |
| Element* first = GetDocument().getElementById("first"); |
| Element* last = GetDocument().getElementById("last"); |
| Position after_first = Position::AfterNode(*first); |
| Position before_last = Position::BeforeNode(*last); |
| |
| // Test selections created with different but equivalent positions. |
| EXPECT_NE(after_first, before_last); |
| EXPECT_TRUE(after_first.IsEquivalent(before_last)); |
| |
| for (bool reversed : {false, true}) { |
| const Position& start = reversed ? before_last : after_first; |
| const Position& end = reversed ? after_first : before_last; |
| EphemeralRange range(start, end); |
| |
| const SelectionInDOMTree& selection = |
| SelectionInDOMTree::Builder().Collapse(start).Extend(end).Build(); |
| EXPECT_EQ( |
| selection, |
| SelectionInDOMTree::Builder().SetAsForwardSelection(range).Build()); |
| |
| EXPECT_TRUE(selection.IsCaret()); |
| EXPECT_EQ(range, selection.ComputeRange()); |
| EXPECT_EQ(start, selection.Base()); |
| EXPECT_EQ(start, selection.Extent()); |
| } |
| } |
| |
| } // namespace blink |