ary-ptrn-elem-obj-val-null.js (1933B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-ptrn-elem-obj-val-null.case 3 // - src/dstr-binding/error/func-expr.template 4 /*--- 5 description: Nested object destructuring with a null value (function expression) 6 esid: sec-function-definitions-runtime-semantics-evaluation 7 features: [destructuring-binding] 8 flags: [generated] 9 info: | 10 FunctionExpression : function ( FormalParameters ) { FunctionBody } 11 12 [...] 13 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, 14 scope, strict). 15 [...] 16 17 9.2.1 [[Call]] ( thisArgument, argumentsList) 18 19 [...] 20 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 21 [...] 22 23 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 24 25 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 26 [...] 27 28 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 29 30 [...] 31 23. Let iteratorRecord be Record {[[iterator]]: 32 CreateListIterator(argumentsList), [[done]]: false}. 33 24. If hasDuplicates is true, then 34 [...] 35 25. Else, 36 b. Let formalStatus be IteratorBindingInitialization for formals with 37 iteratorRecord and env as arguments. 38 [...] 39 40 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 41 42 BindingElement : BindingPattern Initializeropt 43 44 1. If iteratorRecord.[[done]] is false, then 45 [...] 46 e. Else 47 i. Let v be IteratorValue(next). 48 [...] 49 4. Return the result of performing BindingInitialization of BindingPattern 50 with v and environment as the arguments. 51 52 13.3.3.5 Runtime Semantics: BindingInitialization 53 54 BindingPattern : ObjectBindingPattern 55 56 1. Let valid be RequireObjectCoercible(value). 57 2. ReturnIfAbrupt(valid). 58 ---*/ 59 60 var f = function([{ x }]) {}; 61 62 assert.throws(TypeError, function() { 63 f([null]); 64 }); 65 66 reportCompare(0, 0);