127 lines
3.8 KiB
HTML
127 lines
3.8 KiB
HTML
<html>
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<!--
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NOTE: This intentionally does not use description() and does not include js-test-post because
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doing either of those things made the bug go away.
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NOTE: This intentionally does not use the name `CSS.escape` because that function exists now but
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did not when this test was added. The name was changed to `CSS.layoutTestEscape` for this test.
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-->
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<script src="../../resources/js-test-pre.js"></script>
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<script type='text/javascript'>
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/*! https://mths.be/cssescape v1.1.0 by @mathias | MIT license */
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;(function(root) {
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if (!root.CSS) {
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root.CSS = {};
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}
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var CSS = root.CSS;
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var InvalidCharacterError = function(message) {
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this.message = message;
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};
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InvalidCharacterError.prototype = new Error;
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InvalidCharacterError.prototype.name = 'InvalidCharacterError';
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if (!CSS.layoutTestEscape) {
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// https://drafts.csswg.org/cssom/#serialize-an-identifier
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CSS.layoutTestEscape = function(value) {
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var string = String(value);
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var length = string.length;
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var index = -1;
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var codeUnit;
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var result = '';
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var firstCodeUnit = string.charCodeAt(0);
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while (++index < length) {
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codeUnit = string.charCodeAt(index);
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// Note: there’s no need to special-case astral symbols, surrogate
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// pairs, or lone surrogates.
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// If the character is NULL (U+0000), then throw an
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// `InvalidCharacterError` exception and terminate these steps.
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if (codeUnit == 0x0000) {
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throw new InvalidCharacterError(
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'Invalid character: the input contains U+0000.'
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);
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}
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if (
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// If the character is in the range [\1-\1F] (U+0001 to U+001F) or is
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// U+007F, […]
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(codeUnit >= 0x0001 && codeUnit <= 0x001F) || codeUnit == 0x007F ||
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// If the character is the first character and is in the range [0-9]
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// (U+0030 to U+0039), […]
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(index == 0 && codeUnit >= 0x0030 && codeUnit <= 0x0039) ||
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// If the character is the second character and is in the range [0-9]
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// (U+0030 to U+0039) and the first character is a `-` (U+002D), […]
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(
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index == 1 &&
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codeUnit >= 0x0030 && codeUnit <= 0x0039 &&
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firstCodeUnit == 0x002D
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)
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) {
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// https://drafts.csswg.org/cssom/#escape-a-character-as-code-point
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result += '\\' + codeUnit.toString(16) + ' ';
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continue;
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}
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if (
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// If the character is the first character and is a `-` (U+002D), and
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// there is no second character, […]
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index == 0 &&
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length == 1 &&
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codeUnit == 0x002D
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) {
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result += '\\' + string.charAt(index);
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continue;
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}
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// If the character is not handled by one of the above rules and is
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// greater than or equal to U+0080, is `-` (U+002D) or `_` (U+005F), or
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// is in one of the ranges [0-9] (U+0030 to U+0039), [A-Z] (U+0041 to
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// U+005A), or [a-z] (U+0061 to U+007A), […]
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if (
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codeUnit >= 0x0080 ||
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codeUnit == 0x002D ||
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codeUnit == 0x005F ||
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codeUnit >= 0x0030 && codeUnit <= 0x0039 ||
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codeUnit >= 0x0041 && codeUnit <= 0x005A ||
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codeUnit >= 0x0061 && codeUnit <= 0x007A
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) {
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// the character itself
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result += string.charAt(index);
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continue;
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}
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// Otherwise, the escaped character.
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// https://drafts.csswg.org/cssom/#escape-a-character
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result += '\\' + string.charAt(index);
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}
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return result;
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};
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}
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}(typeof global != 'undefined' ? global : this));
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</script>
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<script type='text/javascript'>
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try {
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testRunner.dumpAsText(window.enablePixelTesting);
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testRunner.waitUntilDone();
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} catch (e) { }
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if (!window.CSS.layoutTestEscape) {
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debug('window.CSS.layoutTestEscape not loaded');
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}
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setTimeout(function() {
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if (window.CSS.layoutTestEscape)
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debug("window.CSS.layoutTestEscape still here");
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else
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debug('window.CSS.layoutTestEscape missing in event');
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try {
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testRunner.notifyDone();
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} catch (e) { }
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},50);
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</script>
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</html>
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