// This file was procedurally generated from the following sources: // - src/dstr-binding/obj-ptrn-prop-obj.case // - src/dstr-binding/default/for-of-var.template /*--- description: Object binding pattern with "nested" object binding pattern not using initializer (for-of statement) esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation features: [destructuring-binding] flags: [generated] info: | IterationStatement : for ( var ForBinding of AssignmentExpression ) Statement [...] 3. Return ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult, varBinding, labelSet). 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation [...] 3. Let destructuring be IsDestructuring of lhs. [...] 5. Repeat [...] h. If destructuring is false, then [...] i. Else i. If lhsKind is assignment, then [...] ii. Else if lhsKind is varBinding, then 1. Assert: lhs is a ForBinding. 2. Let status be the result of performing BindingInitialization for lhs passing nextValue and undefined as the arguments. [...] 13.3.3.7 Runtime Semantics: KeyedBindingInitialization [...] 3. If Initializer is present and v is undefined, then [...] 4. Return the result of performing BindingInitialization for BindingPattern passing v and environment as arguments. ---*/ var iterCount = 0; for (var { w: { x, y, z } = { x: 4, y: 5, z: 6 } } of [{ w: { x: undefined, z: 7 } }]) { assert.sameValue(x, undefined); assert.sameValue(y, undefined); assert.sameValue(z, 7); assert.throws(ReferenceError, function() { w; }); iterCount += 1; } assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); reportCompare(0, 0);