S15.10.2.8_A1_T5.js (805B)
1 // Copyright 2009 the Sputnik authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 info: | 6 The form (?= Disjunction ) specifies a zero-width positive lookahead. 7 In order for it to succeed, the pattern inside Disjunction must match at the current position, but the current position is not advanced before matching the sequel. 8 If Disjunction can match at the current position in several ways, only the first one is tried 9 es5id: 15.10.2.8_A1_T5 10 description: > 11 Execute /[Jj]ava([Ss]cript)?(?=\:)/.test("rhino is JavaScript 12 engine") and check results 13 ---*/ 14 15 var __executed = /[Jj]ava([Ss]cript)?(?=\:)/.test("rhino is JavaScript engine"); 16 17 assert(!__executed, 'The value of !__executed is expected to be true'); 18 19 reportCompare(0, 0);