| <!doctype html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <style> |
| #test-root * { |
| background-color: red; |
| } |
| </style> |
| <style id="style"> |
| </style> |
| </head> |
| <body> |
| <div style="display:none" id="test-root"> |
| <testcaseA id="testcase1" type="foobar" attribute1="value1" class="bar baz bazoo" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase1"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase2" type="foobar" class="bar baz bazoo" attribute2="value2" attribute3="value3"></testcaseB> |
| <testcaseA id="testcase3" type="foobar" attribute1="value1" class="foo baz bazoo"><span><span><span><span><span><innerTestCase id="innertestcase2"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase4" type="foobar" attribute1="value1" class="foo bar bazoo"><span><span><span><span><span><innerTestCase id="innertestcase3"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase5" type="foobar" class="foo baz bazoo" attribute2="value2" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase4"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase6" type="foobar" attribute1="value1" class="foo bar baz" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase5"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase7" type="foobar" attribute1="value1" class="bar baz bazoo"><span><span><span><span><span><innerTestCase id="innertestcase6"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase8" type="foobar" attribute1="value1" class="foo baz bazoo"><span><span><span><span><span><innerTestCase id="innertestcase7"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase9" type="foobar" class="foo bar bazoo" attribute2="value2" attribute3="value3"></testcaseA> |
| <testcaseB id="testcase10" type="foobar" attribute1="value1" class="foo bar bazoo" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase8"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase11" type="foobar" attribute1="value1" class="foo bar baz"><span><span><span><span><span><innerTestCase id="innertestcase9"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase12" type="foobar" attribute1="value1" class="bar baz bazoo"><span><span><span><span><span><innerTestCase id="innertestcase10"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase13" type="foobar" attribute1="value1" class="foo baz bazoo" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase11"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase14" type="foobar" class="foo bar baz" attribute2="value2"><span><span><span><span><span><innerTestCase id="innertestcase12"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase15" type="foobar" attribute1="value1" class="foo bar bazoo"><span><span><span><span><span><innerTestCase id="innertestcase13"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase16" type="foobar" attribute1="value1" class="foo bar baz" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase14"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase17" type="foobar" attribute1="value1" class="bar baz bazoo" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase15"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase18" type="foobar" attribute1="value1" class="foo baz bazoo"><span><span><span><span><span><innerTestCase id="innertestcase16"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase19" type="foobar" attribute1="value1" class="foo bar bazoo"><span><span><span><span><span><innerTestCase id="innertestcase17"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase20" type="foobar" class="bar baz bazoo" attribute2="value2" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase18"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase21" type="foobar" attribute1="value1" class="foo bar baz" attribute3="value3"></testcaseA> |
| <testcaseB id="testcase22" type="foobar" attribute1="value1" class="bar baz bazoo"><span><span><span><span><span><innerTestCase id="innertestcase19"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase23" type="foobar" attribute1="value1" class="foo baz bazoo"><span><span><span><span><span><innerTestCase id="innertestcase20"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase24" type="foobar" attribute1="value1" class="foo bar bazoo" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase21"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase25" type="foobar" attribute1="value1" class="foo bar baz" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase22"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase26" type="foobar" attribute1="value1" class="bar baz bazoo"><span><span><span><span><span><innerTestCase id="innertestcase23"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase27" type="foobar" class="foo baz bazoo" attribute2="value2"></testcaseA> |
| <testcaseB id="testcase28" type="foobar" attribute1="value1" class="foo baz bazoo" attribute3="value3"><span><span><span><span><span><innerTestCase id="innertestcase24"></innerTestCase></span></span></span></span></span></testcaseB> |
| <testcaseA id="testcase29" type="foobar" attribute1="value1" class="foo bar bazoo"><span><span><span><span><span><innerTestCase id="innertestcase25"></innerTestCase></span></span></span></span></span></testcaseA> |
| <testcaseB id="testcase30" type="foobar" attribute1="value1" class="foo bar baz"><span><span><span><span><span><innerTestCase id="innertestcase26"></innerTestCase></span></span></span></span></span></testcaseB> |
| </div> |
| </body> |
| <script> |
| description('Check various cases of register pressure inside ":nth-last-child(An+B of selectorList)".'); |
| |
| function testQuerySelector(selector, expectedIds) { |
| shouldBe("document.querySelectorAll('" + selector + "').length", '' + expectedIds.length); |
| for (var i = 0; i < expectedIds.length; ++i) |
| shouldBeEqualToString("document.querySelectorAll('" + selector + "')[" + i + "].id", expectedIds[i]); |
| } |
| |
| function testStyling(selector, expectedIds) { |
| var stylingElement = document.getElementById("style"); |
| stylingElement.innerHTML = '' + selector + ' { background-color: rgb(10, 100, 200); }'; |
| |
| var allTestCases = document.querySelectorAll("#test-root *"); |
| for (var i = 0; i < allTestCases.length; ++i) { |
| var expectMatch = expectedIds.indexOf(allTestCases[i].id) >= 0; |
| shouldBeEqualToString('getComputedStyle(document.querySelectorAll("#test-root *")[' + i + ']).backgroundColor', expectMatch ? 'rgb(10, 100, 200)' : 'rgb(255, 0, 0)'); |
| } |
| |
| stylingElement.innerHTML = ''; |
| } |
| |
| function testSelector(selector, expectedIds) { |
| debug("Testing \"" + selector + "\""); |
| testQuerySelector("#test-root " + selector, expectedIds); |
| testStyling("#test-root " + selector, expectedIds); |
| debug(""); |
| } |
| |
| // First, test various case of simple register pressure. |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][class])", ["testcase1", "testcase4", "testcase7", "testcase10", "testcase12", "testcase15", "testcase17", "testcase19", "testcase22", "testcase24", "testcase26", "testcase29"]); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][type])", ["testcase1", "testcase4", "testcase7", "testcase10", "testcase12", "testcase15", "testcase17", "testcase19", "testcase22", "testcase24", "testcase26", "testcase29"]); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][type=foobar])", ["testcase1", "testcase4", "testcase7", "testcase10", "testcase12", "testcase15", "testcase17", "testcase19", "testcase22", "testcase24", "testcase26", "testcase29"]); |
| testSelector(":nth-last-child(2n of testcaseA:nth-last-child(2n+1))", []); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][type=foobar]:nth-last-child(2n+1))", ["testcase4", "testcase8", "testcase12", "testcase18", "testcase24", "testcase28"]); |
| |
| // Next, let's check those are handed correctly if combined in a selector list. |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][class])", ["testcase1", "testcase4", "testcase7", "testcase10", "testcase12", "testcase15", "testcase17", "testcase19", "testcase22", "testcase24", "testcase26", "testcase29"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][type])", ["testcase1", "testcase4", "testcase7", "testcase10", "testcase12", "testcase15", "testcase17", "testcase19", "testcase22", "testcase24", "testcase26", "testcase29"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][type=foobar])", ["testcase1", "testcase4", "testcase7", "testcase10", "testcase12", "testcase15", "testcase17", "testcase19", "testcase22", "testcase24", "testcase26", "testcase29"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), testcaseA:nth-last-child(2n+1))", []); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][type=foobar]:nth-last-child(2n+1))", ["testcase4", "testcase8", "testcase12", "testcase18", "testcase24", "testcase28"]); |
| |
| // Let's add even more register pressure, let's add a backtracking chain. |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][class]) > * > * innerTestCase", ["innertestcase1", "innertestcase3", "innertestcase6", "innertestcase8", "innertestcase10", "innertestcase13", "innertestcase15", "innertestcase17", "innertestcase19", "innertestcase21", "innertestcase23", "innertestcase25"]); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][class]) + * + * ~ * > * > * innerTestCase", ["innertestcase3", "innertestcase4", "innertestcase5", "innertestcase6", "innertestcase7", "innertestcase8", "innertestcase9", "innertestcase10", "innertestcase11", "innertestcase12", "innertestcase13", "innertestcase14", "innertestcase15", "innertestcase16", "innertestcase17", "innertestcase18", "innertestcase19", "innertestcase20", "innertestcase21", "innertestcase22", "innertestcase23", "innertestcase24", "innertestcase25", "innertestcase26"]); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][class][type]) > * > * innerTestCase", ["innertestcase1", "innertestcase3", "innertestcase6", "innertestcase8", "innertestcase10", "innertestcase13", "innertestcase15", "innertestcase17", "innertestcase19", "innertestcase21", "innertestcase23", "innertestcase25"]); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][class][type]) + * + * ~ * > * > * innerTestCase", ["innertestcase3", "innertestcase4", "innertestcase5", "innertestcase6", "innertestcase7", "innertestcase8", "innertestcase9", "innertestcase10", "innertestcase11", "innertestcase12", "innertestcase13", "innertestcase14", "innertestcase15", "innertestcase16", "innertestcase17", "innertestcase18", "innertestcase19", "innertestcase20", "innertestcase21", "innertestcase22", "innertestcase23", "innertestcase24", "innertestcase25", "innertestcase26"]); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][class][type=foobar]) > * > * innerTestCase", ["innertestcase1", "innertestcase3", "innertestcase6", "innertestcase8", "innertestcase10", "innertestcase13", "innertestcase15", "innertestcase17", "innertestcase19", "innertestcase21", "innertestcase23", "innertestcase25"]); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][class][type=foobar]) + * + * ~ * > * > * innerTestCase", ["innertestcase3", "innertestcase4", "innertestcase5", "innertestcase6", "innertestcase7", "innertestcase8", "innertestcase9", "innertestcase10", "innertestcase11", "innertestcase12", "innertestcase13", "innertestcase14", "innertestcase15", "innertestcase16", "innertestcase17", "innertestcase18", "innertestcase19", "innertestcase20", "innertestcase21", "innertestcase22", "innertestcase23", "innertestcase24", "innertestcase25", "innertestcase26"]); |
| testSelector(":nth-last-child(2n of testcaseA:nth-last-child(2n+1)) > * > * innerTestCase", []); |
| testSelector(":nth-last-child(2n of testcaseA:nth-last-child(2n+1)) + * + * ~ * > * > * innerTestCase", []); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][type=foobar]:nth-last-child(2n+1)) > * > * innerTestCase", ["innertestcase3", "innertestcase7", "innertestcase10", "innertestcase16", "innertestcase21", "innertestcase24"]); |
| testSelector(":nth-last-child(2n of [id^=testcase][attribute1=value1][type=foobar]:nth-last-child(2n+1)) + * + * ~ * > * > * innerTestCase", ["innertestcase6", "innertestcase7", "innertestcase8", "innertestcase9", "innertestcase10", "innertestcase11", "innertestcase12", "innertestcase13", "innertestcase14", "innertestcase15", "innertestcase16", "innertestcase17", "innertestcase18", "innertestcase19", "innertestcase20", "innertestcase21", "innertestcase22", "innertestcase23", "innertestcase24", "innertestcase25", "innertestcase26"]); |
| |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][class]) > * > * innerTestCase", ["innertestcase1", "innertestcase3", "innertestcase6", "innertestcase8", "innertestcase10", "innertestcase13", "innertestcase15", "innertestcase17", "innertestcase19", "innertestcase21", "innertestcase23", "innertestcase25"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][class]) + * + * ~ * > * > * innerTestCase", ["innertestcase3", "innertestcase4", "innertestcase5", "innertestcase6", "innertestcase7", "innertestcase8", "innertestcase9", "innertestcase10", "innertestcase11", "innertestcase12", "innertestcase13", "innertestcase14", "innertestcase15", "innertestcase16", "innertestcase17", "innertestcase18", "innertestcase19", "innertestcase20", "innertestcase21", "innertestcase22", "innertestcase23", "innertestcase24", "innertestcase25", "innertestcase26"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][class][type]) > * > * innerTestCase", ["innertestcase1", "innertestcase3", "innertestcase6", "innertestcase8", "innertestcase10", "innertestcase13", "innertestcase15", "innertestcase17", "innertestcase19", "innertestcase21", "innertestcase23", "innertestcase25"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][class][type]) + * + * ~ * > * > * innerTestCase", ["innertestcase3", "innertestcase4", "innertestcase5", "innertestcase6", "innertestcase7", "innertestcase8", "innertestcase9", "innertestcase10", "innertestcase11", "innertestcase12", "innertestcase13", "innertestcase14", "innertestcase15", "innertestcase16", "innertestcase17", "innertestcase18", "innertestcase19", "innertestcase20", "innertestcase21", "innertestcase22", "innertestcase23", "innertestcase24", "innertestcase25", "innertestcase26"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][class][type=foobar]) > * > * innerTestCase", ["innertestcase1", "innertestcase3", "innertestcase6", "innertestcase8", "innertestcase10", "innertestcase13", "innertestcase15", "innertestcase17", "innertestcase19", "innertestcase21", "innertestcase23", "innertestcase25"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][class][type=foobar]) + * + * ~ * > * > * innerTestCase", ["innertestcase3", "innertestcase4", "innertestcase5", "innertestcase6", "innertestcase7", "innertestcase8", "innertestcase9", "innertestcase10", "innertestcase11", "innertestcase12", "innertestcase13", "innertestcase14", "innertestcase15", "innertestcase16", "innertestcase17", "innertestcase18", "innertestcase19", "innertestcase20", "innertestcase21", "innertestcase22", "innertestcase23", "innertestcase24", "innertestcase25", "innertestcase26"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), testcaseA:nth-last-child(2n+1)) > * > * innerTestCase", []); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), testcaseA:nth-last-child(2n+1)) + * + * ~ * > * > * innerTestCase", []); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][type=foobar]:nth-last-child(2n+1)) > * > * innerTestCase", ["innertestcase3", "innertestcase7", "innertestcase10", "innertestcase16", "innertestcase21", "innertestcase24"]); |
| testSelector(":nth-last-child(2n of some, noise, those.selectors, are#not, matched.in#this:not(.tree), [id^=testcase][attribute1=value1][type=foobar]:nth-last-child(2n+1)) + * + * ~ * > * > * innerTestCase", ["innertestcase6", "innertestcase7", "innertestcase8", "innertestcase9", "innertestcase10", "innertestcase11", "innertestcase12", "innertestcase13", "innertestcase14", "innertestcase15", "innertestcase16", "innertestcase17", "innertestcase18", "innertestcase19", "innertestcase20", "innertestcase21", "innertestcase22", "innertestcase23", "innertestcase24", "innertestcase25", "innertestcase26"]); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </html> |
