obj-ptrn-prop-id-init-unresolvable.js (1332B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case 3 // - src/dstr-binding/error/var-stmt.template 4 /*--- 5 description: Destructuring initializer is an unresolvable reference (`var` statement) 6 esid: sec-variable-statement-runtime-semantics-evaluation 7 features: [destructuring-binding] 8 flags: [generated] 9 info: | 10 VariableDeclaration : BindingPattern Initializer 11 12 1. Let rhs be the result of evaluating Initializer. 13 2. Let rval be GetValue(rhs). 14 3. ReturnIfAbrupt(rval). 15 4. Return the result of performing BindingInitialization for 16 BindingPattern passing rval and undefined as arguments. 17 18 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 19 20 BindingElement : BindingPattern Initializeropt 21 22 [...] 23 3. If Initializer is present and v is undefined, then 24 a. Let defaultValue be the result of evaluating Initializer. 25 b. Let v be GetValue(defaultValue). 26 c. ReturnIfAbrupt(v). 27 28 6.2.3.1 GetValue (V) 29 30 1. ReturnIfAbrupt(V). 31 2. If Type(V) is not Reference, return V. 32 3. Let base be GetBase(V). 33 4. If IsUnresolvableReference(V), throw a ReferenceError exception. 34 ---*/ 35 36 assert.throws(ReferenceError, function() { 37 var { x: y = unresolvableReference } = {}; 38 }); 39 40 reportCompare(0, 0);