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// |reftest| shell-option(--enable-explicit-resource-management) skip-if(!(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('explicit-resource-management'))||!xulRuntime.shell) -- explicit-resource-management is not enabled unconditionally, requires shell-options
// Copyright (C) 2023 Ron Buckton. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-let-and-const-declarations-runtime-semantics-evaluation
description: Returns an empty completion
info: |
UsingDeclaration : using BindingList ;
1. Perform ? BindingEvaluation of BindingList with argument sync-dispose.
2. Return empty.
features: [explicit-resource-management]
---*/
assert.sameValue(
eval('{using test262id1 = null;}'), undefined, 'Single declaration'
);
assert.sameValue(
eval('{using test262id2 = null, test262id3 = null;}'),
undefined,
'Multiple declarations'
);
assert.sameValue(eval('4; {using test262id5 = null;}'), 4);
assert.sameValue(eval('6; {using test262id7 = null, test262id8 = null;}'), 6);
reportCompare(0, 0);