mirror of https://github.com/tc39/test262.git
47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
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// - src/dstr-binding/default/try.template
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/*---
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description: Destructuring initializer is not evaluated when value is not `undefined` (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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SingleNameBinding : BindingIdentifier Initializeropt
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[...]
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6. If Initializer is present and v is undefined, then
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[...]
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7. If environment is undefined, return PutValue(lhs, v).
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8. Return InitializeReferencedBinding(lhs, v).
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---*/
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var initCount = 0;
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function counter() {
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initCount += 1;
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}
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var ranCatch = false;
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try {
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throw [null, 0, false, ''];
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} catch ([w = counter(), x = counter(), y = counter(), z = counter()]) {
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assert.sameValue(w, null);
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assert.sameValue(x, 0);
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assert.sameValue(y, false);
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assert.sameValue(z, '');
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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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