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dddc4a5972
PR-URL: https://github.com/nodejs/node/pull/59680 Reviewed-By: Matthew Aitken <maitken033380023@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Jordan Harband <ljharb@gmail.com>
56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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class MyDOMException extends DOMException {
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ownProp;
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#reason;
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constructor() {
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super('my message', 'NotFoundError');
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this.ownProp = 'bar';
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this.#reason = 'hello';
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}
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get reason() {
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return this.#reason;
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}
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}
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const myException = new MyDOMException();
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// Verifies the prototype chain
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assert(myException instanceof MyDOMException);
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assert(myException instanceof DOMException);
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assert(myException instanceof Error);
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// Verifies [[ErrorData]]
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assert(Error.isError(myException));
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// Verifies subclass properties
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assert(Object.hasOwn(myException, 'ownProp'));
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assert(!Object.hasOwn(myException, 'reason'));
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assert.strictEqual(myException.reason, 'hello');
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// Verifies error properties
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assert.strictEqual(myException.name, 'NotFoundError');
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assert.strictEqual(myException.code, 8);
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assert.strictEqual(myException.message, 'my message');
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assert.strictEqual(typeof myException.stack, 'string');
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// Verify structuredClone only copies known error properties.
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const cloned = structuredClone(myException);
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assert(!(cloned instanceof MyDOMException));
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assert(cloned instanceof DOMException);
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assert(cloned instanceof Error);
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assert(Error.isError(cloned));
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// Verify custom properties
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assert(!Object.hasOwn(cloned, 'ownProp'));
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assert.strictEqual(cloned.reason, undefined);
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// Verify cloned error properties
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assert.strictEqual(cloned.name, 'NotFoundError');
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assert.strictEqual(cloned.code, 8);
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assert.strictEqual(cloned.message, 'my message');
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assert.strictEqual(cloned.stack, myException.stack);
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