| // 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 "core/dom/StaticRange.h" |
| |
| #include "bindings/core/v8/ExceptionStatePlaceholder.h" |
| #include "core/dom/Element.h" |
| #include "core/dom/NodeList.h" |
| #include "core/dom/Range.h" |
| #include "core/dom/Text.h" |
| #include "core/html/HTMLBodyElement.h" |
| #include "core/html/HTMLDocument.h" |
| #include "core/html/HTMLElement.h" |
| #include "core/html/HTMLHtmlElement.h" |
| #include "platform/heap/Handle.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "wtf/Compiler.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/text/AtomicString.h" |
| |
| namespace blink { |
| |
| class StaticRangeTest : public testing::Test { |
| protected: |
| void SetUp() override; |
| |
| HTMLDocument& document() const; |
| |
| private: |
| Persistent<HTMLDocument> m_document; |
| }; |
| |
| void StaticRangeTest::SetUp() { |
| m_document = HTMLDocument::create(); |
| HTMLHtmlElement* html = HTMLHtmlElement::create(*m_document); |
| html->appendChild(HTMLBodyElement::create(*m_document)); |
| m_document->appendChild(html); |
| } |
| |
| HTMLDocument& StaticRangeTest::document() const { |
| return *m_document; |
| } |
| |
| TEST_F(StaticRangeTest, SplitTextNodeRangeWithinText) { |
| document().body()->setInnerHTML("1234", ASSERT_NO_EXCEPTION); |
| Text* oldText = toText(document().body()->firstChild()); |
| |
| StaticRange* staticRange04 = |
| StaticRange::create(document(), oldText, 0, oldText, 4); |
| StaticRange* staticRange02 = |
| StaticRange::create(document(), oldText, 0, oldText, 2); |
| StaticRange* staticRange22 = |
| StaticRange::create(document(), oldText, 2, oldText, 2); |
| StaticRange* staticRange24 = |
| StaticRange::create(document(), oldText, 2, oldText, 4); |
| |
| Range* range04 = staticRange04->toRange(ASSERT_NO_EXCEPTION); |
| Range* range02 = staticRange02->toRange(ASSERT_NO_EXCEPTION); |
| Range* range22 = staticRange22->toRange(ASSERT_NO_EXCEPTION); |
| Range* range24 = staticRange24->toRange(ASSERT_NO_EXCEPTION); |
| |
| oldText->splitText(2, ASSERT_NO_EXCEPTION); |
| Text* newText = toText(oldText->nextSibling()); |
| |
| // Range should mutate. |
| EXPECT_TRUE(range04->boundaryPointsValid()); |
| EXPECT_EQ(oldText, range04->startContainer()); |
| EXPECT_EQ(0, range04->startOffset()); |
| EXPECT_EQ(newText, range04->endContainer()); |
| EXPECT_EQ(2, range04->endOffset()); |
| |
| EXPECT_TRUE(range02->boundaryPointsValid()); |
| EXPECT_EQ(oldText, range02->startContainer()); |
| EXPECT_EQ(0, range02->startOffset()); |
| EXPECT_EQ(oldText, range02->endContainer()); |
| EXPECT_EQ(2, range02->endOffset()); |
| |
| // Our implementation always moves the boundary point at the separation point |
| // to the end of the original text node. |
| EXPECT_TRUE(range22->boundaryPointsValid()); |
| EXPECT_EQ(oldText, range22->startContainer()); |
| EXPECT_EQ(2, range22->startOffset()); |
| EXPECT_EQ(oldText, range22->endContainer()); |
| EXPECT_EQ(2, range22->endOffset()); |
| |
| EXPECT_TRUE(range24->boundaryPointsValid()); |
| EXPECT_EQ(oldText, range24->startContainer()); |
| EXPECT_EQ(2, range24->startOffset()); |
| EXPECT_EQ(newText, range24->endContainer()); |
| EXPECT_EQ(2, range24->endOffset()); |
| |
| // StaticRange shouldn't mutate. |
| EXPECT_EQ(oldText, staticRange04->startContainer()); |
| EXPECT_EQ(0, staticRange04->startOffset()); |
| EXPECT_EQ(oldText, staticRange04->endContainer()); |
| EXPECT_EQ(4, staticRange04->endOffset()); |
| |
| EXPECT_EQ(oldText, staticRange02->startContainer()); |
| EXPECT_EQ(0, staticRange02->startOffset()); |
| EXPECT_EQ(oldText, staticRange02->endContainer()); |
| EXPECT_EQ(2, staticRange02->endOffset()); |
| |
| EXPECT_EQ(oldText, staticRange22->startContainer()); |
| EXPECT_EQ(2, staticRange22->startOffset()); |
| EXPECT_EQ(oldText, staticRange22->endContainer()); |
| EXPECT_EQ(2, staticRange22->endOffset()); |
| |
| EXPECT_EQ(oldText, staticRange24->startContainer()); |
| EXPECT_EQ(2, staticRange24->startOffset()); |
| EXPECT_EQ(oldText, staticRange24->endContainer()); |
| EXPECT_EQ(4, staticRange24->endOffset()); |
| } |
| |
| TEST_F(StaticRangeTest, SplitTextNodeRangeOutsideText) { |
| 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); |
| |
| Element* outer = document().getElementById(AtomicString::fromUTF8("outer")); |
| Element* innerLeft = |
| document().getElementById(AtomicString::fromUTF8("inner-left")); |
| Element* innerRight = |
| document().getElementById(AtomicString::fromUTF8("inner-right")); |
| Text* oldText = toText(outer->childNodes()->item(2)); |
| |
| StaticRange* staticRangeOuterOutside = |
| StaticRange::create(document(), outer, 0, outer, 5); |
| StaticRange* staticRangeOuterInside = |
| StaticRange::create(document(), outer, 1, outer, 4); |
| StaticRange* staticRangeOuterSurroundingText = |
| StaticRange::create(document(), outer, 2, outer, 3); |
| StaticRange* staticRangeInnerLeft = |
| StaticRange::create(document(), innerLeft, 0, innerLeft, 1); |
| StaticRange* staticRangeInnerRight = |
| StaticRange::create(document(), innerRight, 0, innerRight, 1); |
| StaticRange* staticRangeFromTextToMiddleOfElement = |
| StaticRange::create(document(), oldText, 6, outer, 3); |
| |
| Range* rangeOuterOutside = |
| staticRangeOuterOutside->toRange(ASSERT_NO_EXCEPTION); |
| Range* rangeOuterInside = |
| staticRangeOuterInside->toRange(ASSERT_NO_EXCEPTION); |
| Range* rangeOuterSurroundingText = |
| staticRangeOuterSurroundingText->toRange(ASSERT_NO_EXCEPTION); |
| Range* rangeInnerLeft = staticRangeInnerLeft->toRange(ASSERT_NO_EXCEPTION); |
| Range* rangeInnerRight = staticRangeInnerRight->toRange(ASSERT_NO_EXCEPTION); |
| Range* rangeFromTextToMiddleOfElement = |
| staticRangeFromTextToMiddleOfElement->toRange(ASSERT_NO_EXCEPTION); |
| |
| oldText->splitText(3, ASSERT_NO_EXCEPTION); |
| Text* newText = toText(oldText->nextSibling()); |
| |
| // Range should mutate. |
| EXPECT_TRUE(rangeOuterOutside->boundaryPointsValid()); |
| EXPECT_EQ(outer, rangeOuterOutside->startContainer()); |
| EXPECT_EQ(0, rangeOuterOutside->startOffset()); |
| EXPECT_EQ(outer, rangeOuterOutside->endContainer()); |
| EXPECT_EQ(6, |
| rangeOuterOutside |
| ->endOffset()); // Increased by 1 since a new node is inserted. |
| |
| EXPECT_TRUE(rangeOuterInside->boundaryPointsValid()); |
| EXPECT_EQ(outer, rangeOuterInside->startContainer()); |
| EXPECT_EQ(1, rangeOuterInside->startOffset()); |
| EXPECT_EQ(outer, rangeOuterInside->endContainer()); |
| EXPECT_EQ(5, rangeOuterInside->endOffset()); |
| |
| EXPECT_TRUE(rangeOuterSurroundingText->boundaryPointsValid()); |
| EXPECT_EQ(outer, rangeOuterSurroundingText->startContainer()); |
| EXPECT_EQ(2, rangeOuterSurroundingText->startOffset()); |
| EXPECT_EQ(outer, rangeOuterSurroundingText->endContainer()); |
| EXPECT_EQ(4, rangeOuterSurroundingText->endOffset()); |
| |
| EXPECT_TRUE(rangeInnerLeft->boundaryPointsValid()); |
| EXPECT_EQ(innerLeft, rangeInnerLeft->startContainer()); |
| EXPECT_EQ(0, rangeInnerLeft->startOffset()); |
| EXPECT_EQ(innerLeft, rangeInnerLeft->endContainer()); |
| EXPECT_EQ(1, rangeInnerLeft->endOffset()); |
| |
| EXPECT_TRUE(rangeInnerRight->boundaryPointsValid()); |
| EXPECT_EQ(innerRight, rangeInnerRight->startContainer()); |
| EXPECT_EQ(0, rangeInnerRight->startOffset()); |
| EXPECT_EQ(innerRight, rangeInnerRight->endContainer()); |
| EXPECT_EQ(1, rangeInnerRight->endOffset()); |
| |
| EXPECT_TRUE(rangeFromTextToMiddleOfElement->boundaryPointsValid()); |
| EXPECT_EQ(newText, rangeFromTextToMiddleOfElement->startContainer()); |
| EXPECT_EQ(3, rangeFromTextToMiddleOfElement->startOffset()); |
| EXPECT_EQ(outer, rangeFromTextToMiddleOfElement->endContainer()); |
| EXPECT_EQ(4, rangeFromTextToMiddleOfElement->endOffset()); |
| |
| // StaticRange shouldn't mutate. |
| EXPECT_EQ(outer, staticRangeOuterOutside->startContainer()); |
| EXPECT_EQ(0, staticRangeOuterOutside->startOffset()); |
| EXPECT_EQ(outer, staticRangeOuterOutside->endContainer()); |
| EXPECT_EQ(5, staticRangeOuterOutside->endOffset()); |
| |
| EXPECT_EQ(outer, staticRangeOuterInside->startContainer()); |
| EXPECT_EQ(1, staticRangeOuterInside->startOffset()); |
| EXPECT_EQ(outer, staticRangeOuterInside->endContainer()); |
| EXPECT_EQ(4, staticRangeOuterInside->endOffset()); |
| |
| EXPECT_EQ(outer, staticRangeOuterSurroundingText->startContainer()); |
| EXPECT_EQ(2, staticRangeOuterSurroundingText->startOffset()); |
| EXPECT_EQ(outer, staticRangeOuterSurroundingText->endContainer()); |
| EXPECT_EQ(3, staticRangeOuterSurroundingText->endOffset()); |
| |
| EXPECT_EQ(innerLeft, staticRangeInnerLeft->startContainer()); |
| EXPECT_EQ(0, staticRangeInnerLeft->startOffset()); |
| EXPECT_EQ(innerLeft, staticRangeInnerLeft->endContainer()); |
| EXPECT_EQ(1, staticRangeInnerLeft->endOffset()); |
| |
| EXPECT_EQ(innerRight, staticRangeInnerRight->startContainer()); |
| EXPECT_EQ(0, staticRangeInnerRight->startOffset()); |
| EXPECT_EQ(innerRight, staticRangeInnerRight->endContainer()); |
| EXPECT_EQ(1, staticRangeInnerRight->endOffset()); |
| |
| EXPECT_EQ(oldText, staticRangeFromTextToMiddleOfElement->startContainer()); |
| EXPECT_EQ(6, staticRangeFromTextToMiddleOfElement->startOffset()); |
| EXPECT_EQ(outer, staticRangeFromTextToMiddleOfElement->endContainer()); |
| EXPECT_EQ(3, staticRangeFromTextToMiddleOfElement->endOffset()); |
| } |
| |
| TEST_F(StaticRangeTest, InvalidToRange) { |
| document().body()->setInnerHTML("1234", ASSERT_NO_EXCEPTION); |
| Text* oldText = toText(document().body()->firstChild()); |
| |
| StaticRange* staticRange04 = |
| StaticRange::create(document(), oldText, 0, oldText, 4); |
| |
| // Valid StaticRange. |
| staticRange04->toRange(ASSERT_NO_EXCEPTION); |
| |
| oldText->splitText(2, ASSERT_NO_EXCEPTION); |
| // StaticRange shouldn't mutate, endOffset() become invalid after splitText(). |
| EXPECT_EQ(oldText, staticRange04->startContainer()); |
| EXPECT_EQ(0, staticRange04->startOffset()); |
| EXPECT_EQ(oldText, staticRange04->endContainer()); |
| EXPECT_EQ(4, staticRange04->endOffset()); |
| |
| // Invalid StaticRange. |
| TrackExceptionState exceptionState; |
| staticRange04->toRange(exceptionState); |
| EXPECT_TRUE(exceptionState.hadException()); |
| } |
| |
| } // namespace blink |