named-yield-identifier-spread-strict-strict.js (1047B)
1 // |reftest| error:SyntaxError 2 'use strict'; 3 // This file was procedurally generated from the following sources: 4 // - src/generators/yield-identifier-spread-strict.case 5 // - src/generators/default/expression-named.template 6 /*--- 7 description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Named generator expression) 8 esid: prod-GeneratorExpression 9 features: [object-spread, generators] 10 flags: [generated, onlyStrict] 11 negative: 12 phase: parse 13 type: SyntaxError 14 info: | 15 14.4 Generator Function Definitions 16 17 GeneratorExpression: 18 function * BindingIdentifier opt ( FormalParameters ) { GeneratorBody } 19 20 21 Spread Properties 22 23 PropertyDefinition[Yield]: 24 (...) 25 ...AssignmentExpression[In, ?Yield] 26 27 ---*/ 28 $DONOTEVALUATE(); 29 30 var callCount = 0; 31 32 var gen = function *g() { 33 callCount += 1; 34 return { 35 ...(function() { 36 var yield; 37 throw new Test262Error(); 38 }()), 39 } 40 }; 41 42 var iter = gen(); 43 44 45 46 assert.sameValue(callCount, 1);