escape.html (4097B)
1 <!doctype html> 2 <meta charset=utf-8> 3 <title>CSS#escape</title> 4 <link rel=help href=https://drafts.csswg.org/cssom-1/#the-css.escape()-method> 5 <script src=/resources/testharness.js></script> 6 <script src=/resources/testharnessreport.js></script> 7 <div id=log></div> 8 <script> 9 test(function() { 10 assert_equals(CSS.escape.length, 1); 11 assert_throws_js(TypeError, function() { CSS.escape(); }); 12 }, "Number of arguments"); 13 14 test(function() { 15 assert_equals(CSS.escape(true), 'true'); 16 assert_equals(CSS.escape(false), 'false'); 17 assert_equals(CSS.escape(null), 'null'); 18 assert_equals(CSS.escape(''), ''); 19 }, "String conversion"); 20 21 test(function() { 22 assert_equals(CSS.escape('\0'), '\uFFFD'); 23 assert_equals(CSS.escape('a\0'), 'a\uFFFD'); 24 assert_equals(CSS.escape('\0b'), '\uFFFDb'); 25 assert_equals(CSS.escape('a\0b'), 'a\uFFFDb'); 26 }, "Null bytes"); 27 28 test(function() { 29 assert_equals(CSS.escape('\uFFFD'), '\uFFFD'); 30 assert_equals(CSS.escape('a\uFFFD'), 'a\uFFFD'); 31 assert_equals(CSS.escape('\uFFFDb'), '\uFFFDb'); 32 assert_equals(CSS.escape('a\uFFFDb'), 'a\uFFFDb'); 33 }, "Replacement character"); 34 35 test(function() { 36 assert_equals(CSS.escape('0a'), '\\30 a'); 37 assert_equals(CSS.escape('1a'), '\\31 a'); 38 assert_equals(CSS.escape('2a'), '\\32 a'); 39 assert_equals(CSS.escape('3a'), '\\33 a'); 40 assert_equals(CSS.escape('4a'), '\\34 a'); 41 assert_equals(CSS.escape('5a'), '\\35 a'); 42 assert_equals(CSS.escape('6a'), '\\36 a'); 43 assert_equals(CSS.escape('7a'), '\\37 a'); 44 assert_equals(CSS.escape('8a'), '\\38 a'); 45 assert_equals(CSS.escape('9a'), '\\39 a'); 46 }, "Number prefix"); 47 48 test(function() { 49 assert_equals(CSS.escape('a0b'), 'a0b'); 50 assert_equals(CSS.escape('a1b'), 'a1b'); 51 assert_equals(CSS.escape('a2b'), 'a2b'); 52 assert_equals(CSS.escape('a3b'), 'a3b'); 53 assert_equals(CSS.escape('a4b'), 'a4b'); 54 assert_equals(CSS.escape('a5b'), 'a5b'); 55 assert_equals(CSS.escape('a6b'), 'a6b'); 56 assert_equals(CSS.escape('a7b'), 'a7b'); 57 assert_equals(CSS.escape('a8b'), 'a8b'); 58 assert_equals(CSS.escape('a9b'), 'a9b'); 59 }, "Letter number prefix"); 60 61 test(function() { 62 assert_equals(CSS.escape('-0a'), '-\\30 a'); 63 assert_equals(CSS.escape('-1a'), '-\\31 a'); 64 assert_equals(CSS.escape('-2a'), '-\\32 a'); 65 assert_equals(CSS.escape('-3a'), '-\\33 a'); 66 assert_equals(CSS.escape('-4a'), '-\\34 a'); 67 assert_equals(CSS.escape('-5a'), '-\\35 a'); 68 assert_equals(CSS.escape('-6a'), '-\\36 a'); 69 assert_equals(CSS.escape('-7a'), '-\\37 a'); 70 assert_equals(CSS.escape('-8a'), '-\\38 a'); 71 assert_equals(CSS.escape('-9a'), '-\\39 a'); 72 }, "Dash number prefix"); 73 74 test(function() { 75 assert_equals(CSS.escape('--a'), '--a'); 76 }, "Double dash prefix"); 77 78 test(function() { 79 assert_equals(CSS.escape('\x01\x02\x1E\x1F'), '\\1 \\2 \\1e \\1f '); 80 81 assert_equals(CSS.escape('\x80\x2D\x5F\xA9'), '\x80\x2D\x5F\xA9'); 82 assert_equals(CSS.escape('\x7F\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F'), '\\7f \x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F'); 83 assert_equals(CSS.escape('\xA0\xA1\xA2'), '\xA0\xA1\xA2'); 84 assert_equals(CSS.escape('a0123456789b'), 'a0123456789b'); 85 assert_equals(CSS.escape('abcdefghijklmnopqrstuvwxyz'), 'abcdefghijklmnopqrstuvwxyz'); 86 assert_equals(CSS.escape('ABCDEFGHIJKLMNOPQRSTUVWXYZ'), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'); 87 88 assert_equals(CSS.escape("hello\\world"), "hello\\\\world", "Backslashes get backslash-escaped"); 89 assert_equals(CSS.escape("hello\u{1234}world"), "hello\u{1234}world", "Code points greater than U+0080 are preserved"); 90 assert_equals(CSS.escape("-"), "\\-", "CSS.escape: Single dash escaped"); 91 92 assert_equals(CSS.escape('\x20\x21\x78\x79'), '\\ \\!xy'); 93 }, "Various tests"); 94 95 test(function() { 96 // astral symbol (U+1D306 TETRAGRAM FOR CENTRE) 97 assert_equals(CSS.escape('\uD834\uDF06'), '\uD834\uDF06'); 98 // lone surrogates 99 assert_equals(CSS.escape('\uDF06'), '\uDF06'); 100 assert_equals(CSS.escape('\uD834'), '\uD834'); 101 }, "Surrogates"); 102 </script>