150 lines
5.3 KiB
HTML
150 lines
5.3 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-last-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-last-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 appendElement(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.appendChild(newElement);
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var withoutRenderer = document.getElementById("without-renderer");
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withoutRenderer.appendChild(newElement.cloneNode());
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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("Initial state.");
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testColor(["element_1"]);
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debug("Removing the .webkit class from the fifth element, nothing should match.");
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removeWebKitClassFromElementsOfClass("element_5");
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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_5");
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testColor(["element_1"]);
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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_1"]);
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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("Appending we should have a match again, skipping 2.");
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appendElement("target", "element_6")
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testColor(["element_1"]);
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debug("Adding the .webkit class back on 2, we should now match 2 elements.");
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addWebKitClassToElementsOfClass("element_2");
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testColor(["element_1", "element_2"]);
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debug("Removing the element we added should put us back in the initial state.");
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removeElementsOfClass("element_6");
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testColor(["element_1"]);
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debug("Appending an element, we should match the first two targets again.");
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appendElement("target", "element_6")
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testColor(["element_1", "element_2"]);
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// Using nottarget is interesting because the ':nth-last-child()' part is not matched for those elements.
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debug("Appending an element <nottarget>, we should now match 1, 2, 3.");
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appendElement("nottarget", "element_-1")
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testColor(["element_1", "element_2", "element_3"]);
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debug("Appending an element <nottarget>, we should now match 1, 2, 3, 4.");
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appendElement("nottarget", "element_-2")
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testColor(["element_1", "element_2", "element_3", "element_4"]);
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debug("Appending an element <target>, we should now match 1, 2, 3, 4 and 5.");
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appendElement("target", "element_-3")
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testColor(["element_1", "element_2", "element_3", "element_4", "element_5"]);
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debug("Removing one of the <nottarget>, 5 should no longer match.");
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removeElementsOfClass("element_-2");
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testColor(["element_1", "element_2", "element_3", "element_4"]);
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debug("Removing the class from one of the <nottarget>, 4 should no longer match.");
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removeWebKitClassFromElementsOfClass("element_-1");
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testColor(["element_1", "element_2", "element_3"]);
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debug("Removing one of the <notarget>, 3 should no longer match.");
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removeElementsOfClass("element_-3");
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testColor(["element_1", "element_2"]);
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debug("Removing the class from one of the <target>, 2 should no longer match.");
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removeWebKitClassFromElementsOfClass("element_3");
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testColor(["element_1"]);
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debug("Removing one of the <target>, nothing should match.");
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removeElementsOfClass("element_4");
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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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