obj-ptrn-prop-obj.js (1228B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-prop-obj.case 3 // - src/dstr-binding/default/try.template 4 /*--- 5 description: Object binding pattern with "nested" object binding pattern not using initializer (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 [...] 20 3. If Initializer is present and v is undefined, then 21 [...] 22 4. Return the result of performing BindingInitialization for BindingPattern 23 passing v and environment as arguments. 24 ---*/ 25 26 var ranCatch = false; 27 28 try { 29 throw { w: { x: undefined, z: 7 } }; 30 } catch ({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) { 31 assert.sameValue(x, undefined); 32 assert.sameValue(y, undefined); 33 assert.sameValue(z, 7); 34 35 assert.throws(ReferenceError, function() { 36 w; 37 }); 38 ranCatch = true; 39 } 40 41 assert(ranCatch, 'executed `catch` block'); 42 43 reportCompare(0, 0);