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106 lines
1.8 KiB
106 lines
1.8 KiB
12 years ago
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/*
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* Tests corner cases for \b and \B at start and end of input.
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*
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* IsWordChar() is defined in E5 Section 15.10.2.6 to be false if
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* evaluated for a character outside the input string. The \b and
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* \B assertions may thus match even at the start or the end of
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* the input string.
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*
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* Below the '=' character is used as a non-word-character.
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*/
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var t;
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/*===
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null
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a=
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=a
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null
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ab
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null
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null
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==
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===*/
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/* normal cases */
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t = /.\b./.exec('ab'); /* IsWordChar: true -> true */
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print(t);
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t = /.\b./.exec('a='); /* IsWordChar: true -> false */
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print(t[0]);
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t = /.\b./.exec('=a'); /* IsWordChar: false -> true */
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print(t[0]);
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t = /.\b./.exec('=='); /* IsWordChar: false -> false */
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print(t);
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t = /.\B./.exec('ab'); /* IsWordChar: true -> true */
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print(t[0]);
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t = /.\B./.exec('a='); /* IsWordChar: true -> false */
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print(t);
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t = /.\B./.exec('=a'); /* IsWordChar: false -> true */
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print(t);
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t = /.\B./.exec('=='); /* IsWordChar: false -> false */
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print(t[0]);
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/*===
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a
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null
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null
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=
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===*/
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/* \b or \B at start of input */
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t = /\b./.exec('a'); /* IsWordChar: false -> true */
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print(t[0]);
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t = /\b./.exec('='); /* IsWordChar: false -> false */
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print(t);
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t = /\B./.exec('a'); /* IsWordChar: false -> true */
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print(t);
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t = /\B./.exec('='); /* IsWordChar: false -> false */
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print(t[0]);
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/*===
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a
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null
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null
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=
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===*/
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/* \b or \B at end of input */
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t = /.\b/.exec('a'); /* IsWordChar: true -> false */
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print(t[0]);
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t = /.\b/.exec('='); /* IsWordChar: false -> false */
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print(t);
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t = /.\B/.exec('a'); /* IsWordChar: true -> false */
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print(t);
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t = /.\B/.exec('='); /* IsWordChar: false -> false */
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print(t[0]);
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/*===
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null
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===*/
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/* \b or \B for empty string */
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t = /\b/.exec(''); /* IsWordChar: false -> false */
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print(t);
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t = /\B/.exec(''); /* IsWordChar: false -> false */
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print(t[0]);
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