obj-ptrn-id-init-unresolvable.js (1244B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-id-init-unresolvable.case 3 // - src/dstr-binding/error/try.template 4 /*--- 5 description: Destructuring initializer is an unresolvable reference (try statement) 6 esid: sec-runtime-semantics-catchclauseevaluation 7 features: [destructuring-binding] 8 flags: [generated] 9 info: | 10 Catch : catch ( CatchParameter ) Block 11 12 [...] 13 5. Let status be the result of performing BindingInitialization for 14 CatchParameter passing thrownValue and catchEnv as arguments. 15 [...] 16 17 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 18 19 SingleNameBinding : BindingIdentifier Initializeropt 20 21 [...] 22 6. If Initializer is present and v is undefined, then 23 a. Let defaultValue be the result of evaluating Initializer. 24 b. Let v be GetValue(defaultValue). 25 c. ReturnIfAbrupt(v). 26 27 6.2.3.1 GetValue (V) 28 29 1. ReturnIfAbrupt(V). 30 2. If Type(V) is not Reference, return V. 31 3. Let base be GetBase(V). 32 4. If IsUnresolvableReference(V), throw a ReferenceError exception. 33 ---*/ 34 35 assert.throws(ReferenceError, function() { 36 try { 37 throw {}; 38 } catch ({ x = unresolvableReference }) {} 39 }); 40 41 reportCompare(0, 0);