95 lines
2.4 KiB
HTML
95 lines
2.4 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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* {
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color: black;
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}
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target.Case1 {
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color: rgb(0, 1, 2);
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}
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target:matches(foo, .Case2, bar) {
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color: rgb(3, 4, 5);
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}
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target:matches(foo1, :matches(foo2, .Case3, bar1), bar2) {
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color: rgb(6, 7, 8);
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}
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target:matches(foo1, :matches(foo2, :matches(foo3, .Case4, bar1), bar2), bar3) {
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color: rgb(9, 10, 11);
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}
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</style>
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</head>
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<body>
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<div>
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<!-- With renderer -->
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<target></target>
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</div>
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<div style="display:none;">
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<!-- Without renderer -->
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<target></target>
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</div>
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</body>
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<script>
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description('Test that we do not invalidate the style of an element if we are changing a class that is not used by the stylesheet.');
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function shouldNeedStyleRecalc(expected) {
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var testFunction = expected ? shouldBeTrue : shouldBeFalse;
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testFunction("window.internals.nodeNeedsStyleRecalc(document.querySelectorAll(\"target\")[0])");
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testFunction("window.internals.nodeNeedsStyleRecalc(document.querySelectorAll(\"target\")[1])");
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}
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function addClass(name) {
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var allTargets = document.querySelectorAll("target");
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allTargets[0].classList.add(name);
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allTargets[1].classList.add(name);
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}
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function checkStyle(expectedColor) {
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var allTargets = document.querySelectorAll("target");
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shouldBeEqualToString('getComputedStyle(document.querySelectorAll("target")[0]).color', expectedColor);
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shouldBeEqualToString('getComputedStyle(document.querySelectorAll("target")[1]).color', expectedColor);
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}
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// Force a layout to ensure we don't have dirty styles.
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var offsetTop = document.documentElement.offsetTop;
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shouldNeedStyleRecalc(false);
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addClass('NotThere');
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shouldNeedStyleRecalc(false);
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addClass('Case1');
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shouldNeedStyleRecalc(true);
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checkStyle('rgb(0, 1, 2)');
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shouldNeedStyleRecalc(false);
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addClass('case1');
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shouldNeedStyleRecalc(false);
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addClass('Case2');
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shouldNeedStyleRecalc(true);
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checkStyle('rgb(3, 4, 5)');
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shouldNeedStyleRecalc(false);
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addClass('case2');
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shouldNeedStyleRecalc(false);
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addClass('Case3');
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shouldNeedStyleRecalc(true);
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checkStyle('rgb(6, 7, 8)');
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shouldNeedStyleRecalc(false);
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addClass('case3');
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shouldNeedStyleRecalc(false);
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addClass('Case4');
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shouldNeedStyleRecalc(true);
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checkStyle('rgb(9, 10, 11)');
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shouldNeedStyleRecalc(false);
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addClass('case4');
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shouldNeedStyleRecalc(false);
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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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