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51 lines
874 B
51 lines
874 B
11 years ago
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/*
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* Regexp bug reported by Conrad Pankoff.
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*
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* Duktape 0.9.0 compiled /(?:a)?/ incorrectly. The regexp bytecode was
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* essentially matching /a(?:)?/ instead, because the "previous atom"
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* state was incorrectly updated for non-capturing groups.
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*/
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/*===
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false
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false
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false
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true
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true
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true
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true
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true
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true
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true
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true
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true
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===*/
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function regexpNoncapturingTest() {
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// should be false
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print(/a/.test("x"));
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print(/(a)/.test("x"));
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print(/(?:a)/.test("x"));
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// should be true
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print(/a/.test("a"));
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print(/(a)/.test("a"));
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print(/(?:a)/.test("a"));
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// should be true
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print(/a?/.test("x"));
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print(/(a)?/.test("x"));
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print(/(?:a)?/.test("x"));
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// should be true
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print(/a?/.test("a"));
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print(/(a)?/.test("a"));
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print(/(?:a)?/.test("a"));
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}
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try {
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regexpNoncapturingTest();
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} catch (e) {
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print(e);
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}
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