obj-ptrn-prop-obj-value-null.js (1186B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-prop-obj-value-null.case 3 // - src/dstr-binding/error/let-stmt.template 4 /*--- 5 description: Object binding pattern with "nested" object binding pattern taking the `null` value (`let` statement) 6 esid: sec-let-and-const-declarations-runtime-semantics-evaluation 7 features: [destructuring-binding] 8 flags: [generated] 9 info: | 10 LexicalBinding : BindingPattern Initializer 11 12 1. Let rhs be the result of evaluating Initializer. 13 2. Let value be GetValue(rhs). 14 3. ReturnIfAbrupt(value). 15 4. Let env be the running execution context's LexicalEnvironment. 16 5. Return the result of performing BindingInitialization for BindingPattern 17 using value and env as the arguments. 18 19 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 20 21 [...] 22 3. If Initializer is present and v is undefined, then 23 [...] 24 4. Return the result of performing BindingInitialization for BindingPattern 25 passing v and environment as arguments. 26 ---*/ 27 28 assert.throws(TypeError, function() { 29 let { w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: null }; 30 }); 31 32 reportCompare(0, 0);