| <!doctype html> |
| <title>Non-ASCII codepoints</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <meta name="author" title="Tab Atkins-Bittner"> |
| <link rel=help href="https://drafts.csswg.org/css-syntax/#non-ascii-ident-code-point"> |
| |
| <script> |
| function validIdentChar(cp) { |
| // Reset to a known-good ident |
| document.head.style.animationName = "foo"; |
| // Then change to a name containing the char |
| document.head.style.animationName = "f"+String.fromCodePoint(cp)+"oo"; |
| // And see if it actually changed. |
| return document.head.style.animationName != "foo"; |
| } |
| |
| function testValid(cp) { |
| test(()=>{ |
| assert_true(validIdentChar(cp)); |
| }, `Codepoint U+${cp.toString(16)} is a valid 'non-ASCII ident codepoint'.`) |
| } |
| |
| function testInvalid(cp) { |
| // Just skip if the codepoint is outside the possible range. |
| if(cp > 0x1ffff) return; |
| test(()=>{ |
| assert_false(validIdentChar(cp)); |
| }, `Codepoint U+${cp.toString(16)} is not a 'non-ASCII ident codepoint'.`) |
| } |
| |
| function testValidRanges(ranges) { |
| // Takes an array of codepoints or codepoints ranges, |
| // and tests whether the start, end, and middle of |
| // each range is valid, and confirms that the |
| // start/end of the regions between them are invalid. |
| |
| for(const range of ranges) { |
| if(typeof range == "number") { |
| testValid(range); |
| continue; |
| } |
| testValid(range[0]); |
| if(range[1] - range[0] > 1) { |
| testValid(Math.floor((range[0]+range[1])/2)); |
| } |
| testValid(range[1]); |
| } |
| testInvalid(0x80); |
| var lastTested = 0x80; |
| for(const range of ranges) { |
| if(typeof range == "number") { |
| if(range-1 != lastTested) testInvalid(range-1); |
| testInvalid(range+1); |
| lastTested = range+1; |
| continue; |
| } |
| if(range[0]-1 != lastTested) testInvalid(range[0]-1); |
| testInvalid(range[1]+1); |
| lastTested = range[1]+1; |
| } |
| |
| } |
| |
| testValidRanges([ |
| 0xb7, |
| [0xc0, 0xd6], |
| [0xd8, 0xf6], |
| [0xf8, 0x37d], |
| [0x37f, 0x1fff], |
| [0x200c, 0x200d], |
| [0x203f, 0x2040] |
| [0x2070, 0x218f], |
| [0x2c00, 0x2fef], |
| [0x3001, 0xd7ff], |
| [0xf900, 0xfdcf], |
| [0xfdf0, 0xfffd], |
| [0x10000, 0x1ffff], |
| ]); |
| </script> |
