2010-11-19 Nikolas Zimmermann <nzimmermann@rim.com>
Reviewed by Dirk Schulze.
Convert SVGPathSeg/SVGPathSegList to the new SVGPropertyTearOff concept
https://bugs.webkit.org/show_bug.cgi?id=49580
SVGPathElement.cloneNode loses generated pathSegList
https://bugs.webkit.org/show_bug.cgi?id=43388
SVG Path elements are not correctly updated through pathSegList manipulation on relative values
https://bugs.webkit.org/show_bug.cgi?id=30219
Changing an SVGPathSeg does not update a following Smooth Cubic Curveto
https://bugs.webkit.org/show_bug.cgi?id=19741
SVGPathElement should only build SVGPathSeg* list on demand
https://bugs.webkit.org/show_bug.cgi?id=10827
Tests: svg/W3C-SVG-1.1-SE/paths-dom-02-f.svg
svg/dom/SVGPathSegList-appendItem.xhtml
svg/dom/SVGPathSegList-clear-and-initialize.xhtml
svg/dom/SVGPathSegList-cloning.html
svg/dom/SVGPathSegList-insertItemBefore.xhtml
svg/dom/SVGPathSegList-removeItem.xhtml
svg/dom/SVGPathSegList-replaceItem.xhtml
svg/dom/SVGPathSegList-xml-dom-synchronization.xhtml
svg/dom/SVGPathSegList-xml-dom-synchronization2.xhtml
svg/dom/SVGPathSegList-segment-modification.svg
Convert SVGPathSeg*/SVGPathSegList to the new SVG(Animated)PropertyTearOff concept.
Unlike all other SVG* types that use the SVGPropertyTearOff concept, SVGPathSegs are already refcounted,
and don't need to be wrapped in SVGPropertyTearOff objects. The consequence is that SVGPathSegs need to track
themselves to which list and path element they belong. Introduce new SVGAnimatedPathSegListPropertyTearOff
and SVGPathSegListPropertyTearOff classes, that encapsulate the special needed for SVGPathSegList.
Each SVGPathSeg now needs to store a RefPtr<SVGPathElement> - this makes it impossible to use SVGPathSegList
to represent the 'd' attribute internally in SVGPathElement. SVGPathSegList is now only used in the SVG DOM bindings
if someone explicitely requests 'pathElement.pathSegList' (eg. via JS). Switch to use SVGPathByteStream to store
the 'd' attribute data in SVGPathElement, which is much more compact, and less memory intensive.
Dirk already prepared SVGPathParserFactory some months ago, which allows easy conversion between
String/Path/SVGPathSegList/SVGPathByteStream in all directions, including normalizing the lists, when requested.
As consequence SVGPathSegList is now only built on demand, when explicitely requested. Using the SVGAnimatedProperty
concept gives us 'd' attribute <-> SVGPathSegList synchronization for free, fixing several bugs, listed above.
* Android.mk: Remove obsolete SVGPathSeg*.cpp files and SVGAnimatedPathData.cpp from build.
* CMakeLists.txt: Ditto.
* DerivedSources.make: Remove SVGAnimatedPathData IDL generation.
* GNUmakefile.am: Remove obsolete SVGPathSeg*.cpp files and SVGAnimatedPathData.cpp from build.
* WebCore.gyp/WebCore.gyp: Remove SVGAnimatedPathData IDL generation.
* WebCore.gypi: Remove obsolete SVGPathSeg*.cpp files and SVGAnimatedPathData.cpp from build.
* WebCore.order: Remove no-longer existant SVGAnimatedPathData symbols.
* WebCore.pro: Remove obsolete SVGPathSeg*.cpp files and SVGAnimatedPathData.cpp / JSSVGPathSegCustom.* from build.
* WebCore.vcproj/WebCore.vcproj: Ditto.
* WebCore.xcodeproj/project.pbxproj: Ditto.
* bindings/js/JSBindingsAllInOne.cpp: Remove JSSVGPathSegCustom.cpp from build.
* bindings/js/JSDOMBinding.cpp: Adapt to toJS() changes, remove context parameter.
(WebCore::setDOMException):
* bindings/js/JSDOMBinding.h: Remove obsolete CREATE_SVG_OBJECT_WRAPPER macro, the context parameter is not existant anymore.
* bindings/js/JSSVGPathSegCustom.cpp: Replace CREATE_SVG_OBJECT_WRAPPER by CREATE_DOM_OBJECT_WRAPPER. Remove context parameter/handling.
(WebCore::toJS):
* bindings/js/JSSVGPathSegListCustom.cpp: Removed.
* bindings/scripts/CodeGenerator.pm: Map 'SVGPathSegList' IDL type to SVG 'SVGPathSegListPropertyTearOff' native type.
* bindings/scripts/CodeGeneratorJS.pm: Remove IsSVGTypeNeedingContextParameter() methods and usages. Handle SVGPathSegListPropertyTearOff.
* bindings/scripts/CodeGeneratorObjC.pm: Handle SVGPathSegListPropertyTearOff.
* bindings/scripts/CodeGeneratorV8.pm: Remove IsSVGTypeNeedingContextParameter() methods and usages.
* rendering/SVGRenderTreeAsText.cpp: Build path string from byte stream, not path segment list.
(WebCore::operator<<):
* svg/SVGAllInOne.cpp: Remove obsolete cpp files.
* svg/SVGAnimatedPathData.cpp: Removed.
* svg/SVGAnimatedPathData.h: Removed.
* svg/SVGAnimatedPathData.idl: Removed.
* svg/SVGPathElement.cpp: Build SVGPathList on demand. Use SVGPathByteStream to parse/store the 'd' attribute content.
(WebCore::SVGPathElement::SVGPathElement):
(WebCore::SVGPathElement::getPathSegAtLength): Use SVGPathByteStream, not SVGPathSegList to determine the getPathSegAtLength() information.
(WebCore::SVGPathElement::createSVGPathSegClosePath): Pass SVGPathElement to SVGPathSeg and a SVGPathSegRole parameter and store it to track the list origin.
(WebCore::SVGPathElement::createSVGPathSegMovetoAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegMovetoRel): Ditto.
(WebCore::SVGPathElement::createSVGPathSegLinetoAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegLinetoRel): Ditto.
(WebCore::SVGPathElement::createSVGPathSegCurvetoCubicAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegCurvetoCubicRel): Ditto.
(WebCore::SVGPathElement::createSVGPathSegCurvetoQuadraticAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegCurvetoQuadraticRel): Ditto.
(WebCore::SVGPathElement::createSVGPathSegArcAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegArcRel): Ditto.
(WebCore::SVGPathElement::createSVGPathSegLinetoHorizontalAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegLinetoHorizontalRel): Ditto.
(WebCore::SVGPathElement::createSVGPathSegLinetoVerticalAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegLinetoVerticalRel): Ditto.
(WebCore::SVGPathElement::createSVGPathSegCurvetoCubicSmoothAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegCurvetoCubicSmoothRel): Ditto.
(WebCore::SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothAbs): Ditto.
(WebCore::SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothRel): Ditto.
(WebCore::SVGPathElement::parseMappedAttribute): Build SVGPathByteStream from 'd' attribute, not a SVGPathSegList.
(WebCore::SVGPathElement::svgAttributeChanged): If a SVGPathSegList object has been built, synchronize it with the 'd' attribute.
(WebCore::SVGPathElement::synchronizeProperty): Synchronize 'd' attribute with the SVGPathSegList, if needed.
(WebCore::SVGPathElement::synchronizeD): Added.
(WebCore::SVGPathElement::pathSegList): Use same trick as in SVGPolyElement to expose the 'pathSegList' / 'animatedPathSegList' object to the SVG DOM bindings.
(WebCore::SVGPathElement::normalizedPathSegList): Ditto.
(WebCore::SVGPathElement::animatedPathSegList): Ditto.
(WebCore::SVGPathElement::animatedNormalizedPathSegList): Ditto.
(WebCore::SVGPathElement::toPathData): Build 'Path' object from SVGPathByteStream, not from SVGPathSegList.
(WebCore::SVGPathElement::pathSegListChanged): Used to synchronize the SVGPathSegLists and the d attribute, as well as any changes from any SVGPathSeg associated with this SVGPathElement.
* svg/SVGPathElement.h: Add new accessors...
(WebCore::SVGPathElement::pathByteStream): ... needed by SVGRenderTreeAsText.
(WebCore::SVGPathElement::animatablePathSegList): ... needed by SVGPathSegListPropertyTearOff.
* svg/SVGPathElement.idl: Merge SVGAnimatedPathData interface into SVGPathElement.
* svg/SVGPathParserFactory.cpp: Cleanup SVGPathParserFactory, remove obsolete methods, now that SVGPathElement switched to using SVGPathByteStream internally.
(WebCore::globalSVGPathSegListBuilder):
(WebCore::SVGPathParserFactory::buildSVGPathByteStreamFromSVGPathSegList):
(WebCore::SVGPathParserFactory::buildPathFromByteStream):
(WebCore::SVGPathParserFactory::buildSVGPathSegListFromByteStream):
(WebCore::SVGPathParserFactory::buildStringFromSVGPathSegList):
(WebCore::SVGPathParserFactory::buildSVGPathByteStreamFromString):
(WebCore::SVGPathParserFactory::buildAnimatedSVGPathByteStream):
(WebCore::SVGPathParserFactory::getSVGPathSegAtLengthFromSVGPathByteStream):
* svg/SVGPathParserFactory.h:
* svg/SVGPathSeg.cpp: Removed.
* svg/SVGPathSeg.h: Add new SVGPathSegRole enum, identifying to which list a path segment belongs.
(WebCore::SVGPathSeg::SVGPathSeg):
* svg/SVGPathSeg.idl: Reindented.
* svg/SVGPathSegArc.cpp: Removed.
* svg/SVGPathSegArc.h: All setters now call the commitChange() method.
* svg/SVGPathSegArcAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegArcRel.idl: Ditto.
* svg/SVGPathSegClosePath.cpp: Removed.
* svg/SVGPathSegClosePath.h:
* svg/SVGPathSegCurvetoCubic.cpp: Removed.
* svg/SVGPathSegCurvetoCubic.h: All setters now call the commitChange() method.
* svg/SVGPathSegCurvetoCubicAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegCurvetoCubicRel.idl: Ditto.
* svg/SVGPathSegCurvetoCubicSmooth.cpp: Removed.
* svg/SVGPathSegCurvetoCubicSmooth.h: All setters now call the commitChange() method.
* svg/SVGPathSegCurvetoCubicSmoothAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegCurvetoCubicSmoothRel.idl: Ditto.
* svg/SVGPathSegCurvetoQuadratic.cpp: Removed.
* svg/SVGPathSegCurvetoQuadratic.h: All setters now call the commitChange() method.
* svg/SVGPathSegCurvetoQuadraticAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegCurvetoQuadraticRel.idl: Ditto.
* svg/SVGPathSegCurvetoQuadraticSmooth.cpp: Removed.
* svg/SVGPathSegCurvetoQuadraticSmooth.h: All setters now call the commitChange() method.
* svg/SVGPathSegCurvetoQuadraticSmoothAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegCurvetoQuadraticSmoothRel.idl: Ditto.
* svg/SVGPathSegLineto.cpp: Removed.
* svg/SVGPathSegLineto.h: All setters now call the commitChange() method.
* svg/SVGPathSegLinetoAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegLinetoHorizontal.cpp: Removed.
* svg/SVGPathSegLinetoHorizontal.h: All setters now call the commitChange() method.
* svg/SVGPathSegLinetoHorizontalAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegLinetoHorizontalRel.idl: Ditto.
* svg/SVGPathSegLinetoRel.idl: Enable StrictTypeChecking.
* svg/SVGPathSegLinetoVertical.cpp: Removed.
* svg/SVGPathSegLinetoVertical.h: All setters now call the commitChange() method.
* svg/SVGPathSegLinetoVerticalAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegLinetoVerticalRel.idl: Ditto.
* svg/SVGPathSegList.cpp: Switch from SVGList<RefPtr<SVGPathSeg> > to a plain Vector<RefPtr<SVGPathSeg> >.
(WebCore::SVGPathSegList::valueAsString): Utilize SVGPathParserFactory to build a String from a SVGPathSegList.
(WebCore::SVGPathSegList::commitChange): Call SVGPathElement::pathSegListChanged().
* svg/SVGPathSegList.h:
(WebCore::SVGPathSegList::SVGPathSegList):
* svg/SVGPathSegList.idl: Remove [JSCCustom] flags, no longer needed.
* svg/SVGPathSegListBuilder.cpp: Adapt to SVGPathSegList API changes.
(WebCore::SVGPathSegListBuilder::SVGPathSegListBuilder):
(WebCore::SVGPathSegListBuilder::moveTo):
(WebCore::SVGPathSegListBuilder::lineTo):
(WebCore::SVGPathSegListBuilder::lineToHorizontal):
(WebCore::SVGPathSegListBuilder::lineToVertical):
(WebCore::SVGPathSegListBuilder::curveToCubic):
(WebCore::SVGPathSegListBuilder::curveToCubicSmooth):
(WebCore::SVGPathSegListBuilder::curveToQuadratic):
(WebCore::SVGPathSegListBuilder::curveToQuadraticSmooth):
(WebCore::SVGPathSegListBuilder::arcTo):
(WebCore::SVGPathSegListBuilder::closePath):
* svg/SVGPathSegListBuilder.h: Ditto.
(WebCore::SVGPathSegListBuilder::setCurrentSVGPathElement):
(WebCore::SVGPathSegListBuilder::setCurrentSVGPathSegList):
(WebCore::SVGPathSegListBuilder::setCurrentSVGPathSegRole):
(WebCore::SVGPathSegListBuilder::cleanup):
* svg/SVGPathSegListSource.cpp: Ditto.
(WebCore::SVGPathSegListSource::SVGPathSegListSource):
(WebCore::SVGPathSegListSource::parseSVGSegmentType):
(WebCore::SVGPathSegListSource::nextCommand):
(WebCore::SVGPathSegListSource::parseMoveToSegment):
(WebCore::SVGPathSegListSource::parseLineToSegment):
(WebCore::SVGPathSegListSource::parseCurveToQuadraticSmoothSegment):
* svg/SVGPathSegListSource.h: Ditto.
(WebCore::SVGPathSegListSource::create):
* svg/SVGPathSegMoveto.cpp: Removed.
* svg/SVGPathSegMoveto.h: All setters now call the commitChange() method.
* svg/SVGPathSegMovetoAbs.idl: Enable StrictTypeChecking.
* svg/SVGPathSegMovetoRel.idl: Ditto.
* svg/SVGPathSegWithContext.h: Added. This is the new base class for all SVGPathSeg derived types, that's associated with a SVGPathElement and a 'role' (normalized/unaltered segment list).
(WebCore::SVGPathSegWithContext::SVGPathSegWithContext):
(WebCore::SVGPathSegWithContext::animatedProperty):
(WebCore::SVGPathSegWithContext::setContextAndRole):
(WebCore::SVGPathSegWithContext::commitChange):
(WebCore::SVGPathSegSingleCoordinate::x):
(WebCore::SVGPathSegSingleCoordinate::setX):
(WebCore::SVGPathSegSingleCoordinate::y):
(WebCore::SVGPathSegSingleCoordinate::setY):
(WebCore::SVGPathSegSingleCoordinate::SVGPathSegSingleCoordinate):
* svg/properties/SVGAnimatedPathSegListPropertyTearOff.h: Added.
(WebCore::SVGAnimatedPathSegListPropertyTearOff::baseVal):
(WebCore::SVGAnimatedPathSegListPropertyTearOff::animVal):
(WebCore::SVGAnimatedPathSegListPropertyTearOff::removeItemFromList):
(WebCore::SVGAnimatedPathSegListPropertyTearOff::create):
(WebCore::SVGAnimatedPathSegListPropertyTearOff::SVGAnimatedPathSegListPropertyTearOff):
* svg/properties/SVGPathSegListPropertyTearOff.cpp: Added.
(WebCore::SVGPathSegListPropertyTearOff::clear): Added in the cpp file, not in the header, as it needs access to SVGPathSegWithContext, which we can't include from the header.
(WebCore::SVGPathSegListPropertyTearOff::getItem): Ditto.
(WebCore::SVGPathSegListPropertyTearOff::removeItem): Ditto.
(WebCore::SVGPathSegListPropertyTearOff::contextElement): Needs access to SVGPathElement, that's why it lives in the cpp file.
(WebCore::SVGPathSegListPropertyTearOff::processIncomingListItemValue): Needs access to SVGPathSegWithContext.
* svg/properties/SVGPathSegListPropertyTearOff.h: Added.
(WebCore::SVGPathSegListPropertyTearOff::create):
(WebCore::SVGPathSegListPropertyTearOff::removeItemFromList):
(WebCore::SVGPathSegListPropertyTearOff::numberOfItems):
(WebCore::SVGPathSegListPropertyTearOff::initialize):
(WebCore::SVGPathSegListPropertyTearOff::insertItemBefore):
(WebCore::SVGPathSegListPropertyTearOff::replaceItem):
(WebCore::SVGPathSegListPropertyTearOff::appendItem):
(WebCore::SVGPathSegListPropertyTearOff::SVGPathSegListPropertyTearOff):
(WebCore::SVGPathSegListPropertyTearOff::commitChange):
(WebCore::SVGPathSegListPropertyTearOff::processIncomingListItemWrapper):
2010-11-19 Nikolas Zimmermann <nzimmermann@rim.com>
Reviewed by Dirk Schulze.
Convert SVGPathSeg/SVGPathSegList to the new SVGPropertyTearOff concept
https://bugs.webkit.org/show_bug.cgi?id=49580
Add several new tests covering SVGPathSegList usage.
* platform/mac/svg/W3C-SVG-1.1-SE/paths-dom-02-f-expected.checksum: Added.
* platform/mac/svg/W3C-SVG-1.1-SE/paths-dom-02-f-expected.png: Added.
* platform/mac/svg/W3C-SVG-1.1-SE/paths-dom-02-f-expected.txt: Added.
* platform/mac/svg/custom/svg-curve-with-relative-cordinates-expected.txt:
* platform/mac/svg/dom/SVGPathSegList-appendItem-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-appendItem-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-clear-and-initialize-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-clear-and-initialize-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-cloning-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-cloning-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-cloning-expected.txt: Added.
* platform/mac/svg/dom/SVGPathSegList-insertItemBefore-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-insertItemBefore-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-removeItem-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-removeItem-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-replaceItem-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-replaceItem-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-segment-modification-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-segment-modification-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-segment-modification-expected.txt: Added.
* platform/mac/svg/dom/SVGPathSegList-xml-dom-synchronization-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-xml-dom-synchronization-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-xml-dom-synchronization2-expected.checksum: Added.
* platform/mac/svg/dom/SVGPathSegList-xml-dom-synchronization2-expected.png: Added.
* platform/mac/svg/dom/SVGPathSegList-xml-dom-synchronization2-expected.txt: Added.
* svg/W3C-SVG-1.1-SE/paths-dom-02-f.svg: Added.
* svg/dom/SVGPathSegList-appendItem-expected.txt: Added.
* svg/dom/SVGPathSegList-appendItem.xhtml: Added.
* svg/dom/SVGPathSegList-clear-and-initialize-expected.txt: Added.
* svg/dom/SVGPathSegList-clear-and-initialize.xhtml: Added.
* svg/dom/SVGPathSegList-cloning.html: Added.
* svg/dom/SVGPathSegList-insertItemBefore-expected.txt: Added.
* svg/dom/SVGPathSegList-insertItemBefore.xhtml: Added.
* svg/dom/SVGPathSegList-removeItem-expected.txt: Added.
* svg/dom/SVGPathSegList-removeItem.xhtml: Added.
* svg/dom/SVGPathSegList-replaceItem-expected.txt: Added.
* svg/dom/SVGPathSegList-replaceItem.xhtml: Added.
* svg/dom/SVGPathSegList-segment-modification.svg: Added.
* svg/dom/SVGPathSegList-xml-dom-synchronization-expected.txt: Added.
* svg/dom/SVGPathSegList-xml-dom-synchronization.xhtml: Added.
* svg/dom/SVGPathSegList-xml-dom-synchronization2.xhtml: Added.
* svg/dom/fuzz-path-parser-expected.txt:
* svg/dom/path-parser-expected.txt:
* svg/dom/script-tests/path-parser.js:
():
* svg/dom/svglist-exception-on-out-bounds-error-expected.txt:
* svg/dom/svglist-exception-on-out-bounds-error.html:
* svg/dom/svgpath-out-of-bounds-getPathSeg-expected.txt:
Canonical link: https://commits.webkit.org/62843@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@72381 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2010-11-19 12:54:11 +00:00
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This is a test of the SVGPathSegList::removeItem() API.
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On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
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Check initial 'pathSegList' value of path1
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PASS path1.pathSegList.numberOfItems is 5
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PASS path1.pathSegList.getItem(0).toString() is "[object SVGPathSegMovetoAbs]"
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PASS path1.pathSegList.getItem(0).x is 0
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PASS path1.pathSegList.getItem(0).y is 0
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PASS path1.pathSegList.getItem(1).toString() is "[object SVGPathSegLinetoAbs]"
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PASS path1.pathSegList.getItem(1).x is 100
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PASS path1.pathSegList.getItem(1).y is 0
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PASS path1.pathSegList.getItem(2).toString() is "[object SVGPathSegLinetoAbs]"
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PASS path1.pathSegList.getItem(2).x is 100
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PASS path1.pathSegList.getItem(2).y is 100
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PASS path1.pathSegList.getItem(3).toString() is "[object SVGPathSegClosePath]"
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PASS path1.pathSegList.getItem(4).toString() is "[object SVGPathSegLinetoAbs]"
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PASS path1.pathSegList.getItem(4).x is 0
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PASS path1.pathSegList.getItem(4).y is 100
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Check initial 'pathSegList' value of path2
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PASS path2.pathSegList.numberOfItems is 5
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PASS path2.pathSegList.getItem(0).toString() is "[object SVGPathSegMovetoAbs]"
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PASS path2.pathSegList.getItem(0).x is 0
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PASS path2.pathSegList.getItem(0).y is 0
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PASS path2.pathSegList.getItem(1).toString() is "[object SVGPathSegLinetoHorizontalRel]"
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PASS path2.pathSegList.getItem(1).x is 100
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PASS path2.pathSegList.getItem(2).toString() is "[object SVGPathSegClosePath]"
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PASS path2.pathSegList.getItem(3).toString() is "[object SVGPathSegLinetoVerticalRel]"
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PASS path2.pathSegList.getItem(3).y is 100
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PASS path2.pathSegList.getItem(4).toString() is "[object SVGPathSegLinetoHorizontalRel]"
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PASS path2.pathSegList.getItem(4).x is -100
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Remove fourth item of path1
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PASS path1.pathSegList.removeItem(3).toString() is "[object SVGPathSegClosePath]"
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Remove third item of path2
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PASS path2.pathSegList.removeItem(2).toString() is "[object SVGPathSegClosePath]"
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PASS successfullyParsed is true
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TEST COMPLETE
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