mirror of https://github.com/tc39/test262.git
42 lines
1.4 KiB
JavaScript
42 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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* The form (?! Disjunction ) specifies a zero-width negative lookahead.
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* In order for it to succeed, the pattern inside Disjunction must fail to match at the current position.
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* The current position is not advanced before matching the sequel
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*
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* @path 15_Native/15.10_RegExp_Objects/15.10.2_Pattern_Semantics/15.10.2.8_Atom/S15.10.2.8_A2_T9.js
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* @description Execute /(?!a|b)|c/.exec("") and check results
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*/
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__executed = /(?!a|b)|c/.exec("");
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__expected = [""];
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__expected.index = 0;
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__expected.input = "";
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//CHECK#1
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if (__executed.length !== __expected.length) {
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$ERROR('#1: __executed = /(?!a|b)|c/.exec(""); __executed.length === ' + __expected.length + '. Actual: ' + __executed.length);
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}
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//CHECK#2
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if (__executed.index !== __expected.index) {
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$ERROR('#2: __executed = /(?!a|b)|c/.exec(""); __executed.index === ' + __expected.index + '. Actual: ' + __executed.index);
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}
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//CHECK#3
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if (__executed.input !== __expected.input) {
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$ERROR('#3: __executed = /(?!a|b)|c/.exec(""); __executed.input === ' + __expected.input + '. Actual: ' + __executed.input);
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}
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//CHECK#4
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for(var index=0; index<__expected.length; index++) {
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if (__executed[index] !== __expected[index]) {
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$ERROR('#4: __executed = /(?!a|b)|c/.exec(""); __executed[' + index + '] === ' + __expected[index] + '. Actual: ' + __executed[index]);
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}
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}
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