mirror of https://github.com/tc39/test262.git
57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-elision.case
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// - src/dstr-binding/default/try.template
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/*---
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description: Elision advances iterator (try statement)
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esid: sec-runtime-semantics-catchclauseevaluation
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es6id: 13.15.7
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features: [generators, destructuring-binding]
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flags: [generated]
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info: |
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Catch : catch ( CatchParameter ) Block
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[...]
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5. Let status be the result of performing BindingInitialization for
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CatchParameter passing thrownValue and catchEnv as arguments.
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[...]
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13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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ArrayBindingPattern : [ Elision ]
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1. Return the result of performing
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IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
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as the argument.
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12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
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Elision : ,
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1. If iteratorRecord.[[done]] is false, then
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a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
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b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
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c. ReturnIfAbrupt(next).
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d. If next is false, set iteratorRecord.[[done]] to true.
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2. Return NormalCompletion(empty).
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---*/
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var first = 0;
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var second = 0;
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function* g() {
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first += 1;
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yield;
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second += 1;
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};
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var ranCatch = false;
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try {
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throw g();
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} catch ([,]) {
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assert.sameValue(first, 1);
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assert.sameValue(second, 0);
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ranCatch = true;
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}
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assert(ranCatch, 'executed `catch` block');
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