ary-ptrn-elem-obj-prop-id-init.js (1533B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case 3 // - src/dstr-binding/default/try.template 4 /*--- 5 description: BindingElement with object binding pattern and initializer is used (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 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 18 19 BindingElement : BindingPatternInitializer opt 20 21 [...] 22 2. If iteratorRecord.[[done]] is true, let v be undefined. 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 4. Return the result of performing BindingInitialization of BindingPattern 27 with v and environment as the arguments. 28 ---*/ 29 30 var ranCatch = false; 31 32 try { 33 throw []; 34 } catch ([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) { 35 assert.sameValue(v, 444); 36 assert.sameValue(x, 555); 37 assert.sameValue(z, 666); 38 39 assert.throws(ReferenceError, function() { 40 u; 41 }); 42 assert.throws(ReferenceError, function() { 43 w; 44 }); 45 assert.throws(ReferenceError, function() { 46 y; 47 }); 48 ranCatch = true; 49 } 50 51 assert(ranCatch, 'executed `catch` block'); 52 53 reportCompare(0, 0);