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20 lines
566 B
20 lines
566 B
/*
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* Case insensitive regexp character class execution has bad performance
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* behavior because a lot of scattered match ranges are potentially generated.
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* Basic test for case insensitive regexp character class worst case behavior.
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*/
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function test() {
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var i;
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var re = new RegExp('[\\u0000-\\uffff]+', 'i');
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var t1 = Date.now();
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for (i = 0; i < 1e4; i++) {
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void re.test('foo\u1234\ucafebar\uffff\ufead');
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}
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print(((Date.now() - t1) / 1e4) + ' ms/test');
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}
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try {
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test();
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} catch (e) {
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print(e.stack || e);
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throw e;
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}
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