mirror of https://github.com/tc39/test262.git
47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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info: |
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Parentheses of the form ( Disjunction ) serve both to group the components of the Disjunction pattern together and to save the result of the match.
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The result can be used either in a backreference (\ followed by a nonzero decimal number),
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referenced in a replace string,
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or returned as part of an array from the regular expression matching function
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es5id: 15.10.2.8_A3_T28
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description: Execute /(a)?(a)/.exec("a") and check results
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---*/
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var __string = "a";
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var __executed = /(a)?(a)/.exec(__string);
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var __expected = ['a', undefined, 'a'];
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__expected.index = 0;
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__expected.input = __string;
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assert.sameValue(
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__executed.length,
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__expected.length,
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'The value of __executed.length is expected to equal the value of __expected.length'
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);
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assert.sameValue(
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__executed.index,
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__expected.index,
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'The value of __executed.index is expected to equal the value of __expected.index'
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);
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assert.sameValue(
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__executed.input,
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__expected.input,
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'The value of __executed.input is expected to equal the value of __expected.input'
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);
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for(var index=0; index<__expected.length; index++) {
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assert.sameValue(
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__executed[index],
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__expected[index],
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'The value of __executed[index] is expected to equal the value of __expected[index]'
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);
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}
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