third_party/WebKit/Source/core/dom/RangeTest.cpp

   1 // Copyright 2014 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 "config.h"
   6 #include "core/dom/Range.h"
   7
   8 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
   9 #include "core/dom/Element.h"
  10 #include "core/dom/NodeList.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 "wtf/Compiler.h"
  18 #include "wtf/RefPtr.h"
  19 #include "wtf/text/AtomicString.h"
  20 #include <gtest/gtest.h>
  21
  22 namespace blink {
  23
  24 class RangeTest : public ::testing::Test {
  25 protected:
  26     void SetUp() override;
  27
  28     HTMLDocument& document() const;
  29
  30 private:
  31     RefPtrWillBePersistent<HTMLDocument> m_document;
  32 };
  33
  34 void RangeTest::SetUp()
  35 {
  36     m_document = HTMLDocument::create();
  37     RefPtrWillBeRawPtr<HTMLHtmlElement> html = HTMLHtmlElement::create(*m_document);
  38     html->appendChild(HTMLBodyElement::create(*m_document));
  39     m_document->appendChild(html.release());
  40 }
  41
  42 HTMLDocument& RangeTest::document() const
  43 {
  44     return *m_document;
  45 }
  46
  47 TEST_F(RangeTest, SplitTextNodeRangeWithinText)
  48 {
  49     document().body()->setInnerHTML("1234", ASSERT_NO_EXCEPTION);
  50     Text* oldText = toText(document().body()->firstChild());
  51
  52     RefPtrWillBeRawPtr<Range> range04 = Range::create(document(), oldText, 0, oldText, 4);
  53     RefPtrWillBeRawPtr<Range> range02 = Range::create(document(), oldText, 0, oldText, 2);
  54     RefPtrWillBeRawPtr<Range> range22 = Range::create(document(), oldText, 2, oldText, 2);
  55     RefPtrWillBeRawPtr<Range> range24 = Range::create(document(), oldText, 2, oldText, 4);
  56
  57     oldText->splitText(2, ASSERT_NO_EXCEPTION);
  58     Text* newText = toText(oldText->nextSibling());
  59
  60     EXPECT_TRUE(range04->boundaryPointsValid());
  61     EXPECT_EQ(oldText, range04->startContainer());
  62     EXPECT_EQ(0, range04->startOffset());
  63     EXPECT_EQ(newText, range04->endContainer());
  64     EXPECT_EQ(2, range04->endOffset());
  65
  66     EXPECT_TRUE(range02->boundaryPointsValid());
  67     EXPECT_EQ(oldText, range02->startContainer());
  68     EXPECT_EQ(0, range02->startOffset());
  69     EXPECT_EQ(oldText, range02->endContainer());
  70     EXPECT_EQ(2, range02->endOffset());
  71
  72     // Our implementation always moves the boundary point at the separation point to the end of the original text node.
  73     EXPECT_TRUE(range22->boundaryPointsValid());
  74     EXPECT_EQ(oldText, range22->startContainer());
  75     EXPECT_EQ(2, range22->startOffset());
  76     EXPECT_EQ(oldText, range22->endContainer());
  77     EXPECT_EQ(2, range22->endOffset());
  78
  79     EXPECT_TRUE(range24->boundaryPointsValid());
  80     EXPECT_EQ(oldText, range24->startContainer());
  81     EXPECT_EQ(2, range24->startOffset());
  82     EXPECT_EQ(newText, range24->endContainer());
  83     EXPECT_EQ(2, range24->endOffset());
  84 }
  85
  86 TEST_F(RangeTest, SplitTextNodeRangeOutsideText)
  87 {
  88     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);
  89
  90     Element* outer = document().getElementById(AtomicString::fromUTF8("outer"));
  91     Element* innerLeft = document().getElementById(AtomicString::fromUTF8("inner-left"));
  92     Element* innerRight = document().getElementById(AtomicString::fromUTF8("inner-right"));
  93     Text* oldText = toText(outer->childNodes()->item(2));
  94
  95     RefPtrWillBeRawPtr<Range> rangeOuterOutside = Range::create(document(), outer, 0, outer, 5);
  96     RefPtrWillBeRawPtr<Range> rangeOuterInside = Range::create(document(), outer, 1, outer, 4);
  97     RefPtrWillBeRawPtr<Range> rangeOuterSurroundingText = Range::create(document(), outer, 2, outer, 3);
  98     RefPtrWillBeRawPtr<Range> rangeInnerLeft = Range::create(document(), innerLeft, 0, innerLeft, 1);
  99     RefPtrWillBeRawPtr<Range> rangeInnerRight = Range::create(document(), innerRight, 0, innerRight, 1);
 100     RefPtrWillBeRawPtr<Range> rangeFromTextToMiddleOfElement = Range::create(document(), oldText, 6, outer, 3);
 101
 102     oldText->splitText(3, ASSERT_NO_EXCEPTION);
 103     Text* newText = toText(oldText->nextSibling());
 104
 105     EXPECT_TRUE(rangeOuterOutside->boundaryPointsValid());
 106     EXPECT_EQ(outer, rangeOuterOutside->startContainer());
 107     EXPECT_EQ(0, rangeOuterOutside->startOffset());
 108     EXPECT_EQ(outer, rangeOuterOutside->endContainer());
 109     EXPECT_EQ(6, rangeOuterOutside->endOffset()); // Increased by 1 since a new node is inserted.
 110
 111     EXPECT_TRUE(rangeOuterInside->boundaryPointsValid());
 112     EXPECT_EQ(outer, rangeOuterInside->startContainer());
 113     EXPECT_EQ(1, rangeOuterInside->startOffset());
 114     EXPECT_EQ(outer, rangeOuterInside->endContainer());
 115     EXPECT_EQ(5, rangeOuterInside->endOffset());
 116
 117     EXPECT_TRUE(rangeOuterSurroundingText->boundaryPointsValid());
 118     EXPECT_EQ(outer, rangeOuterSurroundingText->startContainer());
 119     EXPECT_EQ(2, rangeOuterSurroundingText->startOffset());
 120     EXPECT_EQ(outer, rangeOuterSurroundingText->endContainer());
 121     EXPECT_EQ(4, rangeOuterSurroundingText->endOffset());
 122
 123     EXPECT_TRUE(rangeInnerLeft->boundaryPointsValid());
 124     EXPECT_EQ(innerLeft, rangeInnerLeft->startContainer());
 125     EXPECT_EQ(0, rangeInnerLeft->startOffset());
 126     EXPECT_EQ(innerLeft, rangeInnerLeft->endContainer());
 127     EXPECT_EQ(1, rangeInnerLeft->endOffset());
 128
 129     EXPECT_TRUE(rangeInnerRight->boundaryPointsValid());
 130     EXPECT_EQ(innerRight, rangeInnerRight->startContainer());
 131     EXPECT_EQ(0, rangeInnerRight->startOffset());
 132     EXPECT_EQ(innerRight, rangeInnerRight->endContainer());
 133     EXPECT_EQ(1, rangeInnerRight->endOffset());
 134
 135     EXPECT_TRUE(rangeFromTextToMiddleOfElement->boundaryPointsValid());
 136     EXPECT_EQ(newText, rangeFromTextToMiddleOfElement->startContainer());
 137     EXPECT_EQ(3, rangeFromTextToMiddleOfElement->startOffset());
 138     EXPECT_EQ(outer, rangeFromTextToMiddleOfElement->endContainer());
 139     EXPECT_EQ(4, rangeFromTextToMiddleOfElement->endOffset());
 140 }
 141
 142 } // namespace blink