51 lines
2.6 KiB
JavaScript
51 lines
2.6 KiB
JavaScript
description(
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'Tests that regular expressions do not have extensions that diverge from the JavaScript specification. '
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+ 'Because WebKit originally used a copy of PCRE, various non-JavaScript regular expression features were historically present. '
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+ 'Also tests various related edge cases.'
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);
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shouldBe('/\\x{41}/.exec("yA1")', 'null');
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shouldBe('/[\\x{41}]/.exec("yA1").toString()', '"1"');
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shouldBe('/\\x1g/.exec("x1g").toString()', '"x1g"');
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shouldBe('/[\\x1g]/.exec("x").toString()', '"x"');
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shouldBe('/[\\x1g]/.exec("1").toString()', '"1"');
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shouldBe('/\\2147483648/.exec(String.fromCharCode(140) + "7483648").toString()', 'String.fromCharCode(140) + "7483648"');
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shouldBe('/\\4294967296/.exec("\\"94967296").toString()', '"\\"94967296"');
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shouldBe('/\\8589934592/.exec("\\\\8589934592").toString()', '"8589934592"');
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shouldBe('/\\9589934592/.exec("\\\\9589934592").toString()', '"9589934592"');
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shouldBe('"\\nAbc\\n".replace(/(\\n)[^\\n]+$/, "$1")', '"\\nAbc\\n"');
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shouldBe('/x$/.exec("x\\n")', 'null');
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shouldThrow('/x++/');
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shouldBe('/[]]/.exec("]")', 'null');
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debug('');
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debug('Octal escape sequences are in Annex B of the standard.');
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debug('');
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shouldBe('/\\060/.exec("y01").toString()', '"0"');
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shouldBe('/[\\060]/.exec("y01").toString()', '"0"');
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shouldBe('/\\606/.exec("y06").toString()', '"06"');
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shouldBe('/[\\606]/.exec("y06").toString()', '"0"');
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shouldBe('/[\\606]/.exec("y6").toString()', '"6"');
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shouldBe('/\\101/.exec("yA1").toString()', '"A"');
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shouldBe('/[\\101]/.exec("yA1").toString()', '"A"');
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shouldBe('/\\1011/.exec("yA1").toString()', '"A1"');
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shouldBe('/[\\1011]/.exec("yA1").toString()', '"A"');
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shouldBe('/[\\1011]/.exec("y1").toString()', '"1"');
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shouldBe('/\\10q/.exec("y" + String.fromCharCode(8) + "q").toString()', 'String.fromCharCode(8) + "q"');
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shouldBe('/[\\10q]/.exec("y" + String.fromCharCode(8) + "q").toString()', 'String.fromCharCode(8)');
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shouldBe('/\\1q/.exec("y" + String.fromCharCode(1) + "q").toString()', 'String.fromCharCode(1) + "q"');
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shouldBe('/[\\1q]/.exec("y" + String.fromCharCode(1) + "q").toString()', 'String.fromCharCode(1)');
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shouldBe('/[\\1q]/.exec("yq").toString()', '"q"');
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shouldBe('/\\8q/.exec("\\\\8q").toString()', '"8q"');
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shouldBe('/[\\8q]/.exec("y8q").toString()', '"8"');
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shouldBe('/[\\8q]/.exec("yq").toString()', '"q"');
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shouldBe('/\\9q/.exec("\\\\9q").toString()', '"9q"');
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shouldBe('/[\\9q]/.exec("y9q").toString()', '"9"');
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shouldBe('/[\\9q]/.exec("yq").toString()', '"q"');
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shouldBe('/(x)\\1q/.exec("xxq").toString()', '"xxq,x"');
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shouldBe('/(x)[\\1q]/.exec("xxq").toString()', '"xq,x"');
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shouldBe('/(x)[\\1q]/.exec("xx" + String.fromCharCode(1)).toString()', '"x" + String.fromCharCode(1) + ",x"');
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debug('');
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