src/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 using namespace blink;
  23
  24 namespace {
  25
  26 class RangeTest : public ::testing::Test {
  27 protected:
  28     virtual void SetUp() override;
  29
  30     HTMLDocument& document() const;
  31
  32 private:
  33     RefPtrWillBePersistent<HTMLDocument> m_document;
  34 };
  35
  36 void RangeTest::SetUp()
  37 {
  38     m_document = HTMLDocument::create();
  39     RefPtrWillBeRawPtr<HTMLHtmlElement> html = HTMLHtmlElement::create(*m_document);
  40     html->appendChild(HTMLBodyElement::create(*m_document));
  41     m_document->appendChild(html.release());
  42 }
  43
  44 HTMLDocument& RangeTest::document() const
  45 {
  46     return *m_document;
  47 }
  48
  49 TEST_F(RangeTest, SplitTextNodeRangeWithinText)
  50 {
  51     document().body()->setInnerHTML("1234", ASSERT_NO_EXCEPTION);
  52     Text* oldText = toText(document().body()->firstChild());
  53
  54     RefPtrWillBeRawPtr<Range> range04 = Range::create(document(), oldText, 0, oldText, 4);
  55     RefPtrWillBeRawPtr<Range> range02 = Range::create(document(), oldText, 0, oldText, 2);
  56     RefPtrWillBeRawPtr<Range> range22 = Range::create(document(), oldText, 2, oldText, 2);
  57     RefPtrWillBeRawPtr<Range> range24 = Range::create(document(), oldText, 2, oldText, 4);
  58
  59     oldText->splitText(2, ASSERT_NO_EXCEPTION);
  60     Text* newText = toText(oldText->nextSibling());
  61
  62     EXPECT_TRUE(range04->boundaryPointsValid());
  63     EXPECT_EQ(oldText, range04->startContainer());
  64     EXPECT_EQ(0, range04->startOffset());
  65     EXPECT_EQ(newText, range04->endContainer());
  66     EXPECT_EQ(2, range04->endOffset());
  67
  68     EXPECT_TRUE(range02->boundaryPointsValid());
  69     EXPECT_EQ(oldText, range02->startContainer());
  70     EXPECT_EQ(0, range02->startOffset());
  71     EXPECT_EQ(oldText, range02->endContainer());
  72     EXPECT_EQ(2, range02->endOffset());
  73
  74     // Our implementation always moves the boundary point at the separation point to the end of the original text node.
  75     EXPECT_TRUE(range22->boundaryPointsValid());
  76     EXPECT_EQ(oldText, range22->startContainer());
  77     EXPECT_EQ(2, range22->startOffset());
  78     EXPECT_EQ(oldText, range22->endContainer());
  79     EXPECT_EQ(2, range22->endOffset());
  80
  81     EXPECT_TRUE(range24->boundaryPointsValid());
  82     EXPECT_EQ(oldText, range24->startContainer());
  83     EXPECT_EQ(2, range24->startOffset());
  84     EXPECT_EQ(newText, range24->endContainer());
  85     EXPECT_EQ(2, range24->endOffset());
  86 }
  87
  88 TEST_F(RangeTest, SplitTextNodeRangeOutsideText)
  89 {
  90     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);
  91
  92     Element* outer = document().getElementById(AtomicString::fromUTF8("outer"));
  93     Element* innerLeft = document().getElementById(AtomicString::fromUTF8("inner-left"));
  94     Element* innerRight = document().getElementById(AtomicString::fromUTF8("inner-right"));
  95     Text* oldText = toText(outer->childNodes()->item(2));
  96
  97     RefPtrWillBeRawPtr<Range> rangeOuterOutside = Range::create(document(), outer, 0, outer, 5);
  98     RefPtrWillBeRawPtr<Range> rangeOuterInside = Range::create(document(), outer, 1, outer, 4);
  99     RefPtrWillBeRawPtr<Range> rangeOuterSurroundingText = Range::create(document(), outer, 2, outer, 3);
 100     RefPtrWillBeRawPtr<Range> rangeInnerLeft = Range::create(document(), innerLeft, 0, innerLeft, 1);
 101     RefPtrWillBeRawPtr<Range> rangeInnerRight = Range::create(document(), innerRight, 0, innerRight, 1);
 102     RefPtrWillBeRawPtr<Range> rangeFromTextToMiddleOfElement = Range::create(document(), oldText, 6, outer, 3);
 103
 104     oldText->splitText(3, ASSERT_NO_EXCEPTION);
 105     Text* newText = toText(oldText->nextSibling());
 106
 107     EXPECT_TRUE(rangeOuterOutside->boundaryPointsValid());
 108     EXPECT_EQ(outer, rangeOuterOutside->startContainer());
 109     EXPECT_EQ(0, rangeOuterOutside->startOffset());
 110     EXPECT_EQ(outer, rangeOuterOutside->endContainer());
 111     EXPECT_EQ(6, rangeOuterOutside->endOffset()); // Increased by 1 since a new node is inserted.
 112
 113     EXPECT_TRUE(rangeOuterInside->boundaryPointsValid());
 114     EXPECT_EQ(outer, rangeOuterInside->startContainer());
 115     EXPECT_EQ(1, rangeOuterInside->startOffset());
 116     EXPECT_EQ(outer, rangeOuterInside->endContainer());
 117     EXPECT_EQ(5, rangeOuterInside->endOffset());
 118
 119     EXPECT_TRUE(rangeOuterSurroundingText->boundaryPointsValid());
 120     EXPECT_EQ(outer, rangeOuterSurroundingText->startContainer());
 121     EXPECT_EQ(2, rangeOuterSurroundingText->startOffset());
 122     EXPECT_EQ(outer, rangeOuterSurroundingText->endContainer());
 123     EXPECT_EQ(4, rangeOuterSurroundingText->endOffset());
 124
 125     EXPECT_TRUE(rangeInnerLeft->boundaryPointsValid());
 126     EXPECT_EQ(innerLeft, rangeInnerLeft->startContainer());
 127     EXPECT_EQ(0, rangeInnerLeft->startOffset());
 128     EXPECT_EQ(innerLeft, rangeInnerLeft->endContainer());
 129     EXPECT_EQ(1, rangeInnerLeft->endOffset());
 130
 131     EXPECT_TRUE(rangeInnerRight->boundaryPointsValid());
 132     EXPECT_EQ(innerRight, rangeInnerRight->startContainer());
 133     EXPECT_EQ(0, rangeInnerRight->startOffset());
 134     EXPECT_EQ(innerRight, rangeInnerRight->endContainer());
 135     EXPECT_EQ(1, rangeInnerRight->endOffset());
 136
 137     EXPECT_TRUE(rangeFromTextToMiddleOfElement->boundaryPointsValid());
 138     EXPECT_EQ(newText, rangeFromTextToMiddleOfElement->startContainer());
 139     EXPECT_EQ(3, rangeFromTextToMiddleOfElement->startOffset());
 140     EXPECT_EQ(outer, rangeFromTextToMiddleOfElement->endContainer());
 141     EXPECT_EQ(4, rangeFromTextToMiddleOfElement->endOffset());
 142 }
 143
 144 }