target-cover-id.js (840B)
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 esid: sec-postfix-expressions-static-semantics-early-errors 5 es6id: 12.4.1 6 es5id: 11.1.6_A3_T5 7 description: Applied to a "covered" IdentifierReference 8 info: | 9 PostfixExpression : 10 LeftHandSideExpression ++ 11 LeftHandSideExpression -- 12 13 - It is an early Reference Error if IsValidSimpleAssignmentTarget of 14 LeftHandSideExpression is false. 15 16 Static Semantics: IsValidSimpleAssignmentTarget 17 18 IdentifierReference : Identifier 19 20 1. If this IdentifierReference is contained in strict mode code and 21 StringValue of Identifier is "eval" or "arguments", return false. 22 2. Return true. 23 ---*/ 24 25 var y = 1; 26 27 (y)++; 28 assert.sameValue(y, 2); 29 30 ((y))++; 31 assert.sameValue(y, 3); 32 33 reportCompare(0, 0);