// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case // - src/dstr-binding/default/const-stmt.template /*--- description: BindingElement with object binding pattern and initializer is not used (`const` statement) esid: sec-let-and-const-declarations-runtime-semantics-evaluation features: [destructuring-binding] flags: [generated] info: | LexicalBinding : BindingPattern Initializer 1. Let rhs be the result of evaluating Initializer. 2. Let value be GetValue(rhs). 3. ReturnIfAbrupt(value). 4. Let env be the running execution context's LexicalEnvironment. 5. Return the result of performing BindingInitialization for BindingPattern using value and env as the arguments. 13.3.3.6 Runtime Semantics: IteratorBindingInitialization BindingElement : BindingPatternInitializer opt [...] 2. If iteratorRecord.[[done]] is true, let v be undefined. 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). 4. Return the result of performing BindingInitialization of BindingPattern with v and environment as the arguments. ---*/ const [{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]; assert.sameValue(v, 777); assert.sameValue(x, 888); assert.sameValue(z, 999); assert.throws(ReferenceError, function() { u; }); assert.throws(ReferenceError, function() { w; }); assert.throws(ReferenceError, function() { y; }); reportCompare(0, 0);