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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "core/dom/StaticRange.h" |
| 6 |
| 7 #include "bindings/core/v8/ExceptionStatePlaceholder.h" |
| 8 #include "core/dom/Element.h" |
| 9 #include "core/dom/NodeList.h" |
| 10 #include "core/dom/Range.h" |
| 11 #include "core/dom/Text.h" |
| 12 #include "core/html/HTMLBodyElement.h" |
| 13 #include "core/html/HTMLDocument.h" |
| 14 #include "core/html/HTMLElement.h" |
| 15 #include "core/html/HTMLHtmlElement.h" |
| 16 #include "platform/heap/Handle.h" |
| 17 #include "testing/gtest/include/gtest/gtest.h" |
| 18 #include "wtf/Compiler.h" |
| 19 #include "wtf/RefPtr.h" |
| 20 #include "wtf/text/AtomicString.h" |
| 21 |
| 22 namespace blink { |
| 23 |
| 24 class StaticRangeTest : public testing::Test { |
| 25 protected: |
| 26 void SetUp() override; |
| 27 |
| 28 HTMLDocument& document() const; |
| 29 |
| 30 private: |
| 31 Persistent<HTMLDocument> m_document; |
| 32 }; |
| 33 |
| 34 void StaticRangeTest::SetUp() |
| 35 { |
| 36 m_document = HTMLDocument::create(); |
| 37 HTMLHtmlElement* html = HTMLHtmlElement::create(*m_document); |
| 38 html->appendChild(HTMLBodyElement::create(*m_document)); |
| 39 m_document->appendChild(html); |
| 40 } |
| 41 |
| 42 HTMLDocument& StaticRangeTest::document() const |
| 43 { |
| 44 return *m_document; |
| 45 } |
| 46 |
| 47 TEST_F(StaticRangeTest, SplitTextNodeRangeWithinText) |
| 48 { |
| 49 document().body()->setInnerHTML("1234", ASSERT_NO_EXCEPTION); |
| 50 Text* oldText = toText(document().body()->firstChild()); |
| 51 |
| 52 StaticRange* staticRange04 = StaticRange::create(document(), oldText, 0, old
Text, 4); |
| 53 StaticRange* staticRange02 = StaticRange::create(document(), oldText, 0, old
Text, 2); |
| 54 StaticRange* staticRange22 = StaticRange::create(document(), oldText, 2, old
Text, 2); |
| 55 StaticRange* staticRange24 = StaticRange::create(document(), oldText, 2, old
Text, 4); |
| 56 |
| 57 Range* range04 = staticRange04->toRange(ASSERT_NO_EXCEPTION); |
| 58 Range* range02 = staticRange02->toRange(ASSERT_NO_EXCEPTION); |
| 59 Range* range22 = staticRange22->toRange(ASSERT_NO_EXCEPTION); |
| 60 Range* range24 = staticRange24->toRange(ASSERT_NO_EXCEPTION); |
| 61 |
| 62 oldText->splitText(2, ASSERT_NO_EXCEPTION); |
| 63 Text* newText = toText(oldText->nextSibling()); |
| 64 |
| 65 // Range should mutate. |
| 66 EXPECT_TRUE(range04->boundaryPointsValid()); |
| 67 EXPECT_EQ(oldText, range04->startContainer()); |
| 68 EXPECT_EQ(0, range04->startOffset()); |
| 69 EXPECT_EQ(newText, range04->endContainer()); |
| 70 EXPECT_EQ(2, range04->endOffset()); |
| 71 |
| 72 EXPECT_TRUE(range02->boundaryPointsValid()); |
| 73 EXPECT_EQ(oldText, range02->startContainer()); |
| 74 EXPECT_EQ(0, range02->startOffset()); |
| 75 EXPECT_EQ(oldText, range02->endContainer()); |
| 76 EXPECT_EQ(2, range02->endOffset()); |
| 77 |
| 78 // Our implementation always moves the boundary point at the separation poin
t to the end of the original text node. |
| 79 EXPECT_TRUE(range22->boundaryPointsValid()); |
| 80 EXPECT_EQ(oldText, range22->startContainer()); |
| 81 EXPECT_EQ(2, range22->startOffset()); |
| 82 EXPECT_EQ(oldText, range22->endContainer()); |
| 83 EXPECT_EQ(2, range22->endOffset()); |
| 84 |
| 85 EXPECT_TRUE(range24->boundaryPointsValid()); |
| 86 EXPECT_EQ(oldText, range24->startContainer()); |
| 87 EXPECT_EQ(2, range24->startOffset()); |
| 88 EXPECT_EQ(newText, range24->endContainer()); |
| 89 EXPECT_EQ(2, range24->endOffset()); |
| 90 |
| 91 // StaticRange shouldn't mutate. |
| 92 EXPECT_EQ(oldText, staticRange04->startContainer()); |
| 93 EXPECT_EQ(0, staticRange04->startOffset()); |
| 94 EXPECT_EQ(oldText, staticRange04->endContainer()); |
| 95 EXPECT_EQ(4, staticRange04->endOffset()); |
| 96 |
| 97 EXPECT_EQ(oldText, staticRange02->startContainer()); |
| 98 EXPECT_EQ(0, staticRange02->startOffset()); |
| 99 EXPECT_EQ(oldText, staticRange02->endContainer()); |
| 100 EXPECT_EQ(2, staticRange02->endOffset()); |
| 101 |
| 102 EXPECT_EQ(oldText, staticRange22->startContainer()); |
| 103 EXPECT_EQ(2, staticRange22->startOffset()); |
| 104 EXPECT_EQ(oldText, staticRange22->endContainer()); |
| 105 EXPECT_EQ(2, staticRange22->endOffset()); |
| 106 |
| 107 EXPECT_EQ(oldText, staticRange24->startContainer()); |
| 108 EXPECT_EQ(2, staticRange24->startOffset()); |
| 109 EXPECT_EQ(oldText, staticRange24->endContainer()); |
| 110 EXPECT_EQ(4, staticRange24->endOffset()); |
| 111 } |
| 112 |
| 113 TEST_F(StaticRangeTest, SplitTextNodeRangeOutsideText) |
| 114 { |
| 115 document().body()->setInnerHTML("<span id=\"outer\">0<span id=\"inner-left\"
>1</span>SPLITME<span id=\"inner-right\">2</span>3</span>", ASSERT_NO_EXCEPTION)
; |
| 116 |
| 117 Element* outer = document().getElementById(AtomicString::fromUTF8("outer")); |
| 118 Element* innerLeft = document().getElementById(AtomicString::fromUTF8("inner
-left")); |
| 119 Element* innerRight = document().getElementById(AtomicString::fromUTF8("inne
r-right")); |
| 120 Text* oldText = toText(outer->childNodes()->item(2)); |
| 121 |
| 122 StaticRange* staticRangeOuterOutside = StaticRange::create(document(), outer
, 0, outer, 5); |
| 123 StaticRange* staticRangeOuterInside = StaticRange::create(document(), outer,
1, outer, 4); |
| 124 StaticRange* staticRangeOuterSurroundingText = StaticRange::create(document(
), outer, 2, outer, 3); |
| 125 StaticRange* staticRangeInnerLeft = StaticRange::create(document(), innerLef
t, 0, innerLeft, 1); |
| 126 StaticRange* staticRangeInnerRight = StaticRange::create(document(), innerRi
ght, 0, innerRight, 1); |
| 127 StaticRange* staticRangeFromTextToMiddleOfElement = StaticRange::create(docu
ment(), oldText, 6, outer, 3); |
| 128 |
| 129 Range* rangeOuterOutside = staticRangeOuterOutside->toRange(ASSERT_NO_EXCEPT
ION); |
| 130 Range* rangeOuterInside = staticRangeOuterInside->toRange(ASSERT_NO_EXCEPTIO
N); |
| 131 Range* rangeOuterSurroundingText = staticRangeOuterSurroundingText->toRange(
ASSERT_NO_EXCEPTION); |
| 132 Range* rangeInnerLeft = staticRangeInnerLeft->toRange(ASSERT_NO_EXCEPTION); |
| 133 Range* rangeInnerRight = staticRangeInnerRight->toRange(ASSERT_NO_EXCEPTION)
; |
| 134 Range* rangeFromTextToMiddleOfElement = staticRangeFromTextToMiddleOfElement
->toRange(ASSERT_NO_EXCEPTION); |
| 135 |
| 136 oldText->splitText(3, ASSERT_NO_EXCEPTION); |
| 137 Text* newText = toText(oldText->nextSibling()); |
| 138 |
| 139 // Range should mutate. |
| 140 EXPECT_TRUE(rangeOuterOutside->boundaryPointsValid()); |
| 141 EXPECT_EQ(outer, rangeOuterOutside->startContainer()); |
| 142 EXPECT_EQ(0, rangeOuterOutside->startOffset()); |
| 143 EXPECT_EQ(outer, rangeOuterOutside->endContainer()); |
| 144 EXPECT_EQ(6, rangeOuterOutside->endOffset()); // Increased by 1 since a new
node is inserted. |
| 145 |
| 146 EXPECT_TRUE(rangeOuterInside->boundaryPointsValid()); |
| 147 EXPECT_EQ(outer, rangeOuterInside->startContainer()); |
| 148 EXPECT_EQ(1, rangeOuterInside->startOffset()); |
| 149 EXPECT_EQ(outer, rangeOuterInside->endContainer()); |
| 150 EXPECT_EQ(5, rangeOuterInside->endOffset()); |
| 151 |
| 152 EXPECT_TRUE(rangeOuterSurroundingText->boundaryPointsValid()); |
| 153 EXPECT_EQ(outer, rangeOuterSurroundingText->startContainer()); |
| 154 EXPECT_EQ(2, rangeOuterSurroundingText->startOffset()); |
| 155 EXPECT_EQ(outer, rangeOuterSurroundingText->endContainer()); |
| 156 EXPECT_EQ(4, rangeOuterSurroundingText->endOffset()); |
| 157 |
| 158 EXPECT_TRUE(rangeInnerLeft->boundaryPointsValid()); |
| 159 EXPECT_EQ(innerLeft, rangeInnerLeft->startContainer()); |
| 160 EXPECT_EQ(0, rangeInnerLeft->startOffset()); |
| 161 EXPECT_EQ(innerLeft, rangeInnerLeft->endContainer()); |
| 162 EXPECT_EQ(1, rangeInnerLeft->endOffset()); |
| 163 |
| 164 EXPECT_TRUE(rangeInnerRight->boundaryPointsValid()); |
| 165 EXPECT_EQ(innerRight, rangeInnerRight->startContainer()); |
| 166 EXPECT_EQ(0, rangeInnerRight->startOffset()); |
| 167 EXPECT_EQ(innerRight, rangeInnerRight->endContainer()); |
| 168 EXPECT_EQ(1, rangeInnerRight->endOffset()); |
| 169 |
| 170 EXPECT_TRUE(rangeFromTextToMiddleOfElement->boundaryPointsValid()); |
| 171 EXPECT_EQ(newText, rangeFromTextToMiddleOfElement->startContainer()); |
| 172 EXPECT_EQ(3, rangeFromTextToMiddleOfElement->startOffset()); |
| 173 EXPECT_EQ(outer, rangeFromTextToMiddleOfElement->endContainer()); |
| 174 EXPECT_EQ(4, rangeFromTextToMiddleOfElement->endOffset()); |
| 175 |
| 176 // StaticRange shouldn't mutate. |
| 177 EXPECT_EQ(outer, staticRangeOuterOutside->startContainer()); |
| 178 EXPECT_EQ(0, staticRangeOuterOutside->startOffset()); |
| 179 EXPECT_EQ(outer, staticRangeOuterOutside->endContainer()); |
| 180 EXPECT_EQ(5, staticRangeOuterOutside->endOffset()); |
| 181 |
| 182 EXPECT_EQ(outer, staticRangeOuterInside->startContainer()); |
| 183 EXPECT_EQ(1, staticRangeOuterInside->startOffset()); |
| 184 EXPECT_EQ(outer, staticRangeOuterInside->endContainer()); |
| 185 EXPECT_EQ(4, staticRangeOuterInside->endOffset()); |
| 186 |
| 187 EXPECT_EQ(outer, staticRangeOuterSurroundingText->startContainer()); |
| 188 EXPECT_EQ(2, staticRangeOuterSurroundingText->startOffset()); |
| 189 EXPECT_EQ(outer, staticRangeOuterSurroundingText->endContainer()); |
| 190 EXPECT_EQ(3, staticRangeOuterSurroundingText->endOffset()); |
| 191 |
| 192 EXPECT_EQ(innerLeft, staticRangeInnerLeft->startContainer()); |
| 193 EXPECT_EQ(0, staticRangeInnerLeft->startOffset()); |
| 194 EXPECT_EQ(innerLeft, staticRangeInnerLeft->endContainer()); |
| 195 EXPECT_EQ(1, staticRangeInnerLeft->endOffset()); |
| 196 |
| 197 EXPECT_EQ(innerRight, staticRangeInnerRight->startContainer()); |
| 198 EXPECT_EQ(0, staticRangeInnerRight->startOffset()); |
| 199 EXPECT_EQ(innerRight, staticRangeInnerRight->endContainer()); |
| 200 EXPECT_EQ(1, staticRangeInnerRight->endOffset()); |
| 201 |
| 202 EXPECT_EQ(oldText, staticRangeFromTextToMiddleOfElement->startContainer()); |
| 203 EXPECT_EQ(6, staticRangeFromTextToMiddleOfElement->startOffset()); |
| 204 EXPECT_EQ(outer, staticRangeFromTextToMiddleOfElement->endContainer()); |
| 205 EXPECT_EQ(3, staticRangeFromTextToMiddleOfElement->endOffset()); |
| 206 } |
| 207 |
| 208 TEST_F(StaticRangeTest, InvalidToRange) |
| 209 { |
| 210 document().body()->setInnerHTML("1234", ASSERT_NO_EXCEPTION); |
| 211 Text* oldText = toText(document().body()->firstChild()); |
| 212 |
| 213 StaticRange* staticRange04 = StaticRange::create(document(), oldText, 0, old
Text, 4); |
| 214 |
| 215 // Valid StaticRange. |
| 216 staticRange04->toRange(ASSERT_NO_EXCEPTION); |
| 217 |
| 218 oldText->splitText(2, ASSERT_NO_EXCEPTION); |
| 219 // StaticRange shouldn't mutate, endOffset() become invalid after splitText(
). |
| 220 EXPECT_EQ(oldText, staticRange04->startContainer()); |
| 221 EXPECT_EQ(0, staticRange04->startOffset()); |
| 222 EXPECT_EQ(oldText, staticRange04->endContainer()); |
| 223 EXPECT_EQ(4, staticRange04->endOffset()); |
| 224 |
| 225 // Invalid StaticRange. |
| 226 TrackExceptionState exceptionState; |
| 227 staticRange04->toRange(exceptionState); |
| 228 EXPECT_TRUE(exceptionState.hadException()); |
| 229 } |
| 230 |
| 231 } // namespace blink |
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