| // Copyright 2018 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/LocalCaretRect.h" |
| |
| #include "core/editing/PositionWithAffinity.h" |
| #include "core/editing/TextAffinity.h" |
| #include "core/editing/testing/EditingTestBase.h" |
| |
| namespace blink { |
| |
| class LocalCaretRectTest : public EditingTestBase {}; |
| |
| TEST_F(LocalCaretRectTest, DOMAndFlatTrees) { |
| const char* body_content = |
| "<p id='host'><b id='one'>1</b></p><b id='two'>22</b>"; |
| const char* shadow_content = |
| "<b id='two'>22</b><content select=#one></content><b id='three'>333</b>"; |
| SetBodyContent(body_content); |
| SetShadowContent(shadow_content, "host"); |
| |
| Element* one = GetDocument().getElementById("one"); |
| |
| const LocalCaretRect& caret_rect_from_dom_tree = |
| LocalCaretRectOfPosition(Position(one->firstChild(), 0)); |
| |
| const LocalCaretRect& caret_rect_from_flat_tree = |
| LocalCaretRectOfPosition(PositionInFlatTree(one->firstChild(), 0)); |
| |
| EXPECT_FALSE(caret_rect_from_dom_tree.IsEmpty()); |
| EXPECT_EQ(caret_rect_from_dom_tree.layout_object, |
| caret_rect_from_flat_tree.layout_object); |
| EXPECT_EQ(caret_rect_from_dom_tree.rect, caret_rect_from_flat_tree.rect); |
| } |
| |
| TEST_F(LocalCaretRectTest, SimpleText) { |
| // This test only records the current behavior. Future changes are allowed. |
| |
| LoadAhem(); |
| SetBodyContent( |
| "<div id=div style='font: 10px/10px Ahem; width: 30px'>XXX</div>"); |
| const Node* foo = GetElementById("div")->firstChild(); |
| |
| EXPECT_EQ( |
| LayoutRect(0, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 0), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(10, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 1), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(20, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 2), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(29, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 3), TextAffinity::kDownstream}) |
| .rect); |
| } |
| |
| TEST_F(LocalCaretRectTest, MixedHeightText) { |
| // This test only records the current behavior. Future changes are allowed. |
| |
| LoadAhem(); |
| SetBodyContent( |
| "<div id=div style='font: 10px/10px Ahem; width: 30px'>Xpp</div>"); |
| const Node* foo = GetElementById("div")->firstChild(); |
| |
| EXPECT_EQ( |
| LayoutRect(0, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 0), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(10, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 1), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(20, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 2), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(29, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 3), TextAffinity::kDownstream}) |
| .rect); |
| } |
| |
| TEST_F(LocalCaretRectTest, RtlText) { |
| // This test only records the current behavior. Future changes are allowed. |
| |
| LoadAhem(); |
| SetBodyContent( |
| "<bdo dir=rtl id=bdo style='display: block; " |
| "font: 10px/10px Ahem; width: 30px'>XXX</bdo>"); |
| const Node* foo = GetElementById("bdo")->firstChild(); |
| |
| EXPECT_EQ( |
| LayoutRect(29, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 0), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(20, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 1), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(10, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 2), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(0, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 3), TextAffinity::kDownstream}) |
| .rect); |
| } |
| |
| TEST_F(LocalCaretRectTest, VerticalText) { |
| // This test only records the current behavior. Future changes are allowed. |
| |
| LoadAhem(); |
| SetBodyContent( |
| "<div id=div style='writing-mode: vertical-rl; " |
| "font: 10px/10px Ahem; width: 30px'>Xpp</div>"); |
| const Node* foo = GetElementById("div")->firstChild(); |
| |
| EXPECT_EQ( |
| LayoutRect(0, 0, 10, 1), |
| LocalCaretRectOfPosition({Position(foo, 0), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(0, 10, 10, 1), |
| LocalCaretRectOfPosition({Position(foo, 1), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(0, 20, 10, 1), |
| LocalCaretRectOfPosition({Position(foo, 2), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(0, 29, 10, 1), |
| LocalCaretRectOfPosition({Position(foo, 3), TextAffinity::kDownstream}) |
| .rect); |
| } |
| |
| TEST_F(LocalCaretRectTest, TwoLinesOfTextWithSoftWrap) { |
| // This test only records the current behavior. Future changes are allowed. |
| |
| LoadAhem(); |
| SetBodyContent( |
| "<div id=div style='font: 10px/10px Ahem; width: 30px; " |
| "word-break: break-all'>XXXXXX</div>"); |
| const Node* foo = GetElementById("div")->firstChild(); |
| |
| // First line |
| EXPECT_EQ( |
| LayoutRect(0, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 0), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(10, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 1), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(20, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 2), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(29, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 3), TextAffinity::kUpstream}) |
| .rect); |
| |
| // Second line |
| EXPECT_EQ( |
| LayoutRect(0, 10, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 3), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(10, 10, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 4), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(20, 10, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 5), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(29, 10, 1, 10), |
| LocalCaretRectOfPosition({Position(foo, 6), TextAffinity::kDownstream}) |
| .rect); |
| } |
| |
| TEST_F(LocalCaretRectTest, Images) { |
| // This test only records the current behavior. Future changes are allowed. |
| |
| GetDocument().SetCompatibilityMode(Document::kQuirksMode); |
| LoadAhem(); |
| SetBodyContent( |
| "<div id=div style='font: 10px/10px Ahem; width: 30px'>" |
| "<img id=img1 width=10px height=10px>" |
| "<img id=img2 width=10px height=10px>" |
| "</div>"); |
| |
| const Element& img1 = *GetElementById("img1"); |
| |
| EXPECT_EQ(LayoutRect(0, 0, 1, 10), |
| LocalCaretRectOfPosition( |
| {Position::BeforeNode(img1), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ(LayoutRect(9, 0, 1, 10), |
| LocalCaretRectOfPosition( |
| {Position::AfterNode(img1), TextAffinity::kDownstream}) |
| .rect); |
| |
| const Element& img2 = *GetElementById("img2"); |
| |
| // Box-anchored LocalCaretRect is local to the box itself, instead of its |
| // containing block. |
| EXPECT_EQ(LayoutRect(0, 0, 1, 10), |
| LocalCaretRectOfPosition( |
| {Position::BeforeNode(img2), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ(LayoutRect(9, 0, 1, 10), |
| LocalCaretRectOfPosition( |
| {Position::AfterNode(img2), TextAffinity::kDownstream}) |
| .rect); |
| } |
| |
| TEST_F(LocalCaretRectTest, TextAndImageMixedHeight) { |
| // This test only records the current behavior. Future changes are allowed. |
| |
| LoadAhem(); |
| SetBodyContent( |
| "<div id=div style='font: 10px/10px Ahem; width: 30px'>" |
| "X" |
| "<img id=img width=10px height=5px style='vertical-align: text-bottom'>" |
| "p</div>"); |
| |
| const Element& img = *GetElementById("img"); |
| const Node* text1 = img.previousSibling(); |
| const Node* text2 = img.nextSibling(); |
| |
| EXPECT_EQ( |
| LayoutRect(0, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(text1, 0), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(10, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(text1, 1), TextAffinity::kDownstream}) |
| .rect); |
| |
| EXPECT_EQ(LayoutRect(0, -5, 1, 10), |
| LocalCaretRectOfPosition( |
| {Position::BeforeNode(img), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ(LayoutRect(9, -5, 1, 10), |
| LocalCaretRectOfPosition( |
| {Position::AfterNode(img), TextAffinity::kDownstream}) |
| .rect); |
| |
| EXPECT_EQ( |
| LayoutRect(20, 5, 1, 10), |
| LocalCaretRectOfPosition({Position(text2, 0), TextAffinity::kDownstream}) |
| .rect); |
| EXPECT_EQ( |
| LayoutRect(29, 0, 1, 10), |
| LocalCaretRectOfPosition({Position(text2, 1), TextAffinity::kDownstream}) |
| .rect); |
| } |
| |
| } // namespace blink |
