blob: 0eed2713a9d59de1460de69bdeb2d42c9ab47d80 [file] [log] [blame]
<!doctype html>
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
<style id="style-container">
</style>
</head>
<body>
</body>
<script>
description('Test the parsing of :nth-last-child(of) for querySelector and style.');
function testValidSelector(selectorString, expectedSerializedSelector) {
shouldNotThrow('document.querySelector(":nth-last-child(' + selectorString.replace(/\\/g, '\\\\') + ')")');
var styleContainer = document.getElementById('style-container');
styleContainer.innerHTML = ':nth-last-child(' + selectorString + ') { }';
shouldBe("document.getElementById('style-container').sheet.cssRules.length", "1");
if (!expectedSerializedSelector)
expectedSerializedSelector = selectorString;
shouldBeEqualToString("document.getElementById('style-container').sheet.cssRules[0].selectorText", ':nth-last-child(' + expectedSerializedSelector + ')');
styleContainer.innerHTML = '';
}
// There are multiple ways of parsing :nth-last-child() based on the An+B part, we should test everything.
var validNthAnPlusB = [
"even",
"odd",
"n",
"-n",
"3",
"-3",
"n+0",
"n-0",
"0n",
"3n+5",
"-3n+5",
"3n-5",
"-3n-5",
];
var expectedNthAnPlusB = [
"2n",
"2n+1",
"n",
"-n",
"3",
"-3",
"n",
"n",
"0",
"3n+5",
"-3n+5",
"3n-5",
"-3n-5",
];
debug("Test serizalization.");
testValidSelector("2n+1 of a,b,c,d", "2n+1 of a, b, c, d"); // Space separated complex selector.
testValidSelector(" 2n+1 of a, b ", "2n+1 of a, b"); // Ignored extra spaces.
testValidSelector("2n+1 of a>b, c d, e~f, g+h", "2n+1 of a > b, c d, e ~ f, g + h"); // Combinators.
// At the time of writing this test, the CSS Parser has a special mode for nth-*. Test it does not conflict with regular parsing.
testValidSelector("2n+1 of n");
testValidSelector("2n+1 of n-1"); // "n-1" is a perfectly valid element name.
testValidSelector("2n+1 of .n");
testValidSelector("2n+1 of .-n-1");
testValidSelector("2n+1 of .n-1");
testValidSelector("2n+1 of n+n", "2n+1 of n + n");
// Test case sensitivity of the separator "of". CSS 2.1 defines that "All CSS syntax is case-insensitive within the ASCII range".
for (var i = 0; i < validNthAnPlusB.length; ++i) {
testValidSelector(validNthAnPlusB[i] + " of .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " Of .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " oF .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " OF .foobar", expectedNthAnPlusB[i] + " of .foobar");
}
// CSS 2.1 "Characters and case" (http://www.w3.org/TR/CSS21/syndata.html#characters) section defines escaping for strings and identifiers:
for (var i = 0; i < validNthAnPlusB.length; ++i) {
// There is no formal definition of escaping of regular characters, but there is a note saying: 'The identifier "te\st" is exactly the same identifier as "test".'.
testValidSelector(validNthAnPlusB[i] + " \\of .foobar", expectedNthAnPlusB[i] + " of .foobar");
// Full hexadecimal escape ('o' = 0x6f, 'f' = 0x66, 'O' = 0x4f, 'F' = 0x46.
testValidSelector(validNthAnPlusB[i] + " \\00006ff .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " o\\000066 .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " \\00006F \\000066 .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " \\00004f \\000066 .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " \\00006F \\000046 .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " \\00004f \\000046 .foobar", expectedNthAnPlusB[i] + " of .foobar");
// Short syntax ('o' = 0x6f, 'f' = 0x66, 'O' = 0x4f, 'F' = 0x46.
testValidSelector(validNthAnPlusB[i] + " \\6f f .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " o\\66 .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " \\6F \\66 .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " \\4f \\66 .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " \\6F \\46 .foobar", expectedNthAnPlusB[i] + " of .foobar");
testValidSelector(validNthAnPlusB[i] + " \\4f \\46 .foobar", expectedNthAnPlusB[i] + " of .foobar");
}
</script>
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</html>