| <!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"> |
| <testcase id="testcase1"></testcase> |
| <testcase id="testcase2"></testcase> |
| <testcase id="testcase3"></testcase> |
| <testcase id="testcase4"></testcase> |
| <testcase id="testcase5"></testcase> |
| <testcase id="testcase6"></testcase> |
| <testcase id="testcase7"></testcase> |
| <testcase id="testcase8"></testcase> |
| <testcase id="testcase9"></testcase> |
| <testcase id="testcase10"></testcase> |
| <testcase id="testcase11"></testcase> |
| </div> |
| </body> |
| <script> |
| description('Test basic uses cases of :nth-child().'); |
| |
| 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(""); |
| } |
| |
| // Test cases presented on http://nthmaster.com/ to have a simple baseline. |
| testSelector(":nth-child(8)", ["testcase8"]); |
| testSelector(":nth-child(n+6)", ["testcase6", "testcase7", "testcase8", "testcase9", "testcase10", "testcase11"]); |
| testSelector(":nth-child(-n+9)", ["testcase1", "testcase2", "testcase3", "testcase4", "testcase5", "testcase6", "testcase7", "testcase8", "testcase9"]); |
| testSelector(":nth-child(n+4):nth-child(-n+8)", ["testcase4", "testcase5", "testcase6", "testcase7", "testcase8"]); |
| testSelector(":nth-child(-n+8):nth-child(n+4)", ["testcase4", "testcase5", "testcase6", "testcase7", "testcase8"]); |
| testSelector(":nth-child(n+2):nth-child(odd):nth-child(-n+9)", ["testcase3", "testcase5", "testcase7", "testcase9"]); |
| testSelector(":nth-child(3n+1):nth-child(even)", ["testcase4", "testcase10"]); |
| testSelector(":nth-child(even):nth-child(3n+1)", ["testcase4", "testcase10"]); |
| |
| // The following was using :nth-child() on http://nthmaster.com/. It is adapted here for completness. |
| testSelector(":nth-child(3)", ["testcase3"]); |
| testSelector(":nth-child(4)", ["testcase4"]); |
| testSelector(":nth-child(3):nth-child(4)", []); |
| testSelector(":nth-child(4):nth-child(3)", []); |
| |
| testSelector(":nth-child(n+3)", ["testcase3", "testcase4", "testcase5", "testcase6", "testcase7", "testcase8", "testcase9", "testcase10", "testcase11"]); |
| testSelector(":nth-child(2n+2)", ["testcase2", "testcase4", "testcase6", "testcase8", "testcase10"]); |
| testSelector(":nth-child(n+3):nth-child(2n+2)", ["testcase4", "testcase6", "testcase8", "testcase10"]); |
| testSelector(":nth-child(2n+2):nth-child(n+3)", ["testcase4", "testcase6", "testcase8", "testcase10"]); |
| |
| testSelector(":nth-child(-n+4)", ["testcase1", "testcase2", "testcase3", "testcase4"]); |
| testSelector(":nth-child(-n+5)", ["testcase1", "testcase2", "testcase3", "testcase4", "testcase5"]); |
| testSelector(":nth-child(-n+4):nth-child(-n+5)", ["testcase1", "testcase2", "testcase3", "testcase4"]); |
| testSelector(":nth-child(-n+5):nth-child(-n+4)", ["testcase1", "testcase2", "testcase3", "testcase4"]); |
| |
| testSelector(":nth-child(n+3):nth-child(-n+6)", ["testcase3", "testcase4", "testcase5", "testcase6"]); |
| testSelector(":nth-child(-n+6):nth-child(n+3)", ["testcase3", "testcase4", "testcase5", "testcase6"]); |
| testSelector(":nth-child(n+1):nth-child(-n+3)", ["testcase1", "testcase2", "testcase3"]); |
| testSelector(":nth-child(-n+3):nth-child(n+1)", ["testcase1", "testcase2", "testcase3"]); |
| testSelector(":nth-child(n+3):nth-child(-n+6):nth-child(n+1):nth-child(-n+3)", ["testcase3"]); |
| testSelector(":nth-child(-n+6):nth-child(n+3):nth-child(-n+3):nth-child(n+1)", ["testcase3"]); |
| |
| testSelector(":nth-child(n+3):nth-child(odd):nth-child(-n+6)", ["testcase3", "testcase5"]); |
| testSelector(":nth-child(-n+6):nth-child(odd):nth-child(n+3)", ["testcase3", "testcase5"]); |
| testSelector(":nth-child(odd):nth-child(n+3):nth-child(-n+6)", ["testcase3", "testcase5"]); |
| testSelector(":nth-child(odd):nth-child(-n+6):nth-child(n+3)", ["testcase3", "testcase5"]); |
| testSelector(":nth-child(n+3):nth-child(-n+6):nth-child(odd)", ["testcase3", "testcase5"]); |
| testSelector(":nth-child(-n+6):nth-child(n+3):nth-child(odd)", ["testcase3", "testcase5"]); |
| |
| testSelector(":nth-child(n+1):nth-child(even):nth-child(-n+3)", ["testcase2"]); |
| testSelector(":nth-child(-n+3):nth-child(even):nth-child(n+1)", ["testcase2"]); |
| testSelector(":nth-child(even):nth-child(n+1):nth-child(-n+3)", ["testcase2"]); |
| testSelector(":nth-child(even):nth-child(-n+3):nth-child(n+1)", ["testcase2"]); |
| testSelector(":nth-child(-n+3):nth-child(n+1):nth-child(even)", ["testcase2"]); |
| testSelector(":nth-child(n+1):nth-child(-n+3):nth-child(even)", ["testcase2"]); |
| |
| testSelector(":nth-child(n+3):nth-child(odd):nth-child(-n+6):nth-child(n+1):nth-child(-n+3):nth-child(even)", []); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </html> |
