158 lines
5.9 KiB
HTML
158 lines
5.9 KiB
HTML
<!doctype html>
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<html>
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<head>
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<script src="../../resources/js-test-pre.js"></script>
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<style>
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target {
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background-color: white;
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}
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target:nth-child(n+5 of .webkit) {
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background-color: rgb(1, 2, 3);
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}
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</style>
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</head>
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<body>
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<div id="with-renderer">
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<target class="element_1 webkit"></target>
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<target class="element_2 webkit"></target>
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<target class="element_3 webkit"></target>
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<target class="element_4 webkit"></target>
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<target class="element_5 webkit"></target>
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</div>
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<div id="without-renderer" style="display:none;">
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<target class="element_1 webkit"></target>
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<target class="element_2 webkit"></target>
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<target class="element_3 webkit"></target>
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<target class="element_4 webkit"></target>
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<target class="element_5 webkit"></target>
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</div>
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</body>
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<script>
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description('Test style update of :nth-child() when the tree structure is modified.');
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function testColor(classesThatShouldMatch) {
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var allTargets = document.querySelectorAll("target");
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for (var i = 0; i < allTargets.length; ++i) {
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var expectMath = classesThatShouldMatch.indexOf(allTargets[i].classList[0]) != -1;
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shouldBeEqualToString('getComputedStyle(document.querySelectorAll("target")[' + i + ']).backgroundColor', expectMath ? 'rgb(1, 2, 3)' : 'rgb(255, 255, 255)');
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}
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}
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function addElementAsFirstChild(tagName, className)
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{
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var newElement = document.createElement(tagName);
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newElement.className = className + ' webkit';
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var withRenderer = document.getElementById("with-renderer");
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withRenderer.insertBefore(newElement, withRenderer.firstChild);
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var withoutRenderer = document.getElementById("without-renderer");
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withoutRenderer.insertBefore(newElement.cloneNode(), withoutRenderer.firstChild);
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}
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function removeWebKitClassFromElementsOfClass(className)
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{
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var allElementsToUpdate = document.querySelectorAll('.' + className);
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for (var i = 0; i < allElementsToUpdate.length; ++i)
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allElementsToUpdate[i].classList.remove("webkit");
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}
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function addWebKitClassToElementsOfClass(className)
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{
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var allElementsToUpdate = document.querySelectorAll('.' + className);
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for (var i = 0; i < allElementsToUpdate.length; ++i)
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allElementsToUpdate[i].classList.add("webkit");
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}
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function removeElementsOfClass(className)
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{
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var allElementsToRemove = document.querySelectorAll('.' + className);
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for (var i = 0; i < allElementsToRemove.length; ++i)
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allElementsToRemove[i].parentElement.removeChild(allElementsToRemove[i]);
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}
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debug("Initialy, <foo> is the first of its type, the style should match.");
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testColor(["element_5"]);
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debug("Removing the .webkit class from the first element, nothing should match.");
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removeWebKitClassFromElementsOfClass("element_1");
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testColor([]);
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debug("Adding it back, we should be back to the original state.");
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addWebKitClassToElementsOfClass("element_1");
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testColor(["element_5"]);
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debug("Removing the .webkit class from the third element, nothing should match.");
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removeWebKitClassFromElementsOfClass("element_3");
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testColor([]);
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debug("Adding it back, we should be back to the original state.");
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addWebKitClassToElementsOfClass("element_3");
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testColor(["element_5"]);
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debug("Removing the .webkit class from the second element, nothing should match.");
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removeWebKitClassFromElementsOfClass("element_2");
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testColor([]);
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debug("Adding an element <target> on top, we should have a match again, skipping 2.");
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addElementAsFirstChild("target", "element_0")
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testColor(["element_5"]);
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debug("Adding the .webkit calss back on 2, we should now match 2 elements.");
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addWebKitClassToElementsOfClass("element_2");
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testColor(["element_4", "element_5"]);
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debug("Removing the element we added should put us back in the initial state.");
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removeElementsOfClass("element_0");
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testColor(["element_5"]);
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debug("Adding an element <target> on top, we should now match 4 and 5.");
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addElementAsFirstChild("target", "element_0")
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testColor(["element_4", "element_5"]);
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// Using nottarget is interesting because the ':nth-child()' part is not matched for those elements.
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debug("Adding an element <nottarget> on top, we should now match 3, 4 and 5.");
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addElementAsFirstChild("nottarget", "element_-1")
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testColor(["element_3", "element_4", "element_5"]);
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debug("Adding an element <nottarget> on top, we should now match 2, 3, 4 and 5.");
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addElementAsFirstChild("nottarget", "element_-2")
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testColor(["element_2", "element_3", "element_4", "element_5"]);
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debug("Adding an element <target> on top, we should now match 1, 2, 3, 4 and 5.");
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addElementAsFirstChild("target", "element_-3")
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testColor(["element_1", "element_2", "element_3", "element_4", "element_5"]);
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debug("Adding an element <nottarget> on top, we should now match 0, 1, 2, 3, 4 and 5.");
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addElementAsFirstChild("nottarget", "element_-4")
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testColor(["element_0", "element_1", "element_2", "element_3", "element_4", "element_5"]);
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debug("Removing one of the <nottarget>, 0 should no longer match.");
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removeElementsOfClass("element_-2");
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testColor(["element_1", "element_2", "element_3", "element_4", "element_5"]);
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debug("Removing one of the <target>, 1 should no longer match.");
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removeElementsOfClass("element_-4");
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testColor(["element_2", "element_3", "element_4", "element_5"]);
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debug("Removing one of the <notarget>, 2 should no longer match.");
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removeElementsOfClass("element_-1");
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testColor(["element_3", "element_4", "element_5"]);
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debug("Removing one of the <target>, 3 should no longer match.");
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removeElementsOfClass("element_-3");
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testColor(["element_4", "element_5"]);
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debug("Removing one of the <target>, 4 should no longer match.");
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removeElementsOfClass("element_0");
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testColor(["element_5"]);
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debug("Removing one of the <target>, there are only 4 siblings left, nothing can match.");
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removeElementsOfClass("element_1");
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testColor([]);
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</script>
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<script src="../../resources/js-test-post.js"></script>
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</html>
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