obj-ptrn-id-init-throws.js (1718B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-id-init-throws.case 3 // - src/dstr-binding/error/arrow-function.template 4 /*--- 5 description: Error thrown when evaluating the initializer (arrow function expression) 6 esid: sec-arrow-function-definitions-runtime-semantics-evaluation 7 features: [destructuring-binding] 8 flags: [generated] 9 info: | 10 ArrowFunction : ArrowParameters => ConciseBody 11 12 [...] 13 4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, scope, strict). 14 [...] 15 16 9.2.1 [[Call]] ( thisArgument, argumentsList) 17 18 [...] 19 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 20 [...] 21 22 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 23 24 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 25 [...] 26 27 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 28 29 [...] 30 23. Let iteratorRecord be Record {[[iterator]]: 31 CreateListIterator(argumentsList), [[done]]: false}. 32 24. If hasDuplicates is true, then 33 [...] 34 25. Else, 35 b. Let formalStatus be IteratorBindingInitialization for formals with 36 iteratorRecord and env as arguments. 37 [...] 38 39 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 40 41 SingleNameBinding : BindingIdentifier Initializeropt 42 43 [...] 44 6. If Initializer is present and v is undefined, then 45 a. Let defaultValue be the result of evaluating Initializer. 46 b. Let v be GetValue(defaultValue). 47 c. ReturnIfAbrupt(v). 48 ---*/ 49 function thrower() { 50 throw new Test262Error(); 51 } 52 53 var f = ({ x = thrower() }) => {}; 54 55 assert.throws(Test262Error, function() { 56 f({}); 57 }); 58 59 reportCompare(0, 0);