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50 lines
1.4 KiB
JavaScript
50 lines
1.4 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
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// - src/dstr-binding/default/try.template
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/*---
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description: BindingElement with array binding pattern and initializer is not used (try statement)
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esid: sec-runtime-semantics-catchclauseevaluation
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es6id: 13.15.7
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features: [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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BindingElement : BindingPatternInitializer opt
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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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[...]
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e. Else,
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i. Let v be IteratorValue(next).
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[...]
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4. Return the result of performing BindingInitialization of BindingPattern
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with v and environment as the arguments.
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---*/
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var values = [2, 1, 3];
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var initCount = 0;
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var ranCatch = false;
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try {
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throw [values];
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} catch ([[...x] = function() { initCount += 1; }()]) {
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assert(Array.isArray(x));
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assert.sameValue(x[0], 2);
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assert.sameValue(x[1], 1);
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assert.sameValue(x[2], 3);
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assert.sameValue(x.length, 3);
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assert.notSameValue(x, values);
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assert.sameValue(initCount, 0);
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ranCatch = true;
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}
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assert(ranCatch, 'executed `catch` block');
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