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// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
// - src/dstr-binding/default/try.template
/*---
description: Destructuring initializer is not evaluated when value is not `undefined` (try statement)
esid: sec-runtime-semantics-catchclauseevaluation
features: [destructuring-binding]
flags: [generated]
info: |
Catch : catch ( CatchParameter ) Block
[...]
5. Let status be the result of performing BindingInitialization for
CatchParameter passing thrownValue and catchEnv as arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var initCount = 0;
function counter() {
initCount += 1;
}
var ranCatch = false;
try {
throw [null, 0, false, ''];
} catch ([w = counter(), x = counter(), y = counter(), z = counter()]) {
assert.sameValue(w, null);
assert.sameValue(x, 0);
assert.sameValue(y, false);
assert.sameValue(z, '');
assert.sameValue(initCount, 0);
ranCatch = true;
}
assert(ranCatch, 'executed `catch` block');
reportCompare(0, 0);