JSTests/test262/test/language/statements/try/dstr/ary-ptrn-elem-id-init-fn-name-fn.js

// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
// - src/dstr-binding/default/try.template
/*---
description: SingleNameBinding assigns name to "anonymous" functions (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
       a. Let defaultValue be the result of evaluating Initializer.
       b. Let v be GetValue(defaultValue).
       c. ReturnIfAbrupt(v).
       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
          [...]
    7. If environment is undefined, return PutValue(lhs, v).
    8. Return InitializeReferencedBinding(lhs, v).
---*/

var ranCatch = false;

try {
  throw [];
} catch ([fn = function () {}, xFn = function x() {}]) {
  assert.sameValue(fn.name, 'fn');
  assert.notSameValue(xFn.name, 'xFn');
  ranCatch = true;
}

assert(ranCatch, 'executed `catch` block');