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// |reftest| shell-option(--enable-error-iserror) skip-if(!Error.isError||!xulRuntime.shell) -- Error.isError is not enabled unconditionally, requires shell-options
// Copyright (C) 2024 Jordan Harband. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-error.iserror
description: >
Returns false on non-Error objects pretending to be an Error
features: [Error.isError]
---*/
var fakeError = {
__proto__: Error.prototype,
constructor: Error,
message: '',
stack: new Error().stack
};
if (typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol') {
fakeError[Symbol.toStringTag] = 'Error';
}
assert.sameValue(Error.isError(fakeError), false);
reportCompare(0, 0);