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- <!doctype html>
- <title>Input Preprocessing</title>
- <script src="../../resources/testharness.js"></script>
- <script src="../../resources/testharnessreport.js"></script>
- <style>
- foo { color: blue; }
- </style>
- <meta name="author" title="Tab Atkins-Bittner">
- <link rel=help href="https://drafts.csswg.org/css-syntax/#input-preprocessing">
- <script>
- function roundtripIdent(str) {
- const rule = document.styleSheets[0].cssRules[0];
- rule.selectorText = "original-ident";
- rule.selectorText = str;
- // Check for parse error.
- if(rule.selectorText == "original-ident") return "parse error";
- return rule.selectorText;
- }
- function testParsing(input, expected) {
- test(()=>{
- assert_equals(roundtripIdent(input), expected);
- }, `"${input}" becomes "${expected}"`);
- }
- /* Can't figure out how to test the newline normalization... */
- /* NULL becomes FFFD */
- testParsing("foo\x00", "foo\ufffd");
- testParsing("f\x00oo", "f\ufffdoo");
- testParsing("\x00foo", "\ufffdfoo");
- testParsing("\x00", "\ufffd");
- testParsing("\x00\x00\x00", "\ufffd\ufffd\ufffd");
- /* surrogates become FFFD */
- testParsing("foo\ud800", "foo\ufffd");
- testParsing("f\ud800oo", "f\ufffdoo");
- testParsing("\ud800foo", "\ufffdfoo");
- testParsing("\ud800", "\ufffd");
- testParsing("\ud800\ud800\ud800", "\ufffd\ufffd\ufffd");
- </script>
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