// This file was procedurally generated from the following sources: // - src/dstr-binding/obj-ptrn-prop-ary-init.case // - src/dstr-binding/default/func-expr.template /*--- description: Object binding pattern with "nested" array binding pattern using initializer (function expression) esid: sec-function-definitions-runtime-semantics-evaluation features: [destructuring-binding] flags: [generated] info: | FunctionExpression : function ( FormalParameters ) { FunctionBody } [...] 3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody, scope, strict). [...] 9.2.1 [[Call]] ( thisArgument, argumentsList) [...] 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). [...] 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). [...] 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) [...] 23. Let iteratorRecord be Record {[[iterator]]: CreateListIterator(argumentsList), [[done]]: false}. 24. If hasDuplicates is true, then [...] 25. Else, b. Let formalStatus be IteratorBindingInitialization for formals with iteratorRecord and env as arguments. [...] 13.3.3.7 Runtime Semantics: KeyedBindingInitialization [...] 3. If Initializer is present and v is undefined, then a. Let defaultValue be the result of evaluating Initializer. b. Let v be GetValue(defaultValue). c. ReturnIfAbrupt(v). 4. Return the result of performing BindingInitialization for BindingPattern passing v and environment as arguments. ---*/ var callCount = 0; var f; f = function({ w: [x, y, z] = [4, 5, 6] }) { assert.sameValue(x, 4); assert.sameValue(y, 5); assert.sameValue(z, 6); assert.throws(ReferenceError, function() { w; }); callCount = callCount + 1; }; f({}); assert.sameValue(callCount, 1, 'function invoked exactly once'); reportCompare(0, 0);