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test-domexception-cause.js
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test-domexception-cause.js
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'use strict';
require('../common');
const { strictEqual, deepStrictEqual } = require('assert');
{
const domException = new DOMException('no cause', 'abc');
strictEqual(domException.name, 'abc');
strictEqual('cause' in domException, false);
strictEqual(domException.cause, undefined);
}
{
const domException = new DOMException('with undefined cause', { name: 'abc', cause: undefined });
strictEqual(domException.name, 'abc');
strictEqual('cause' in domException, true);
strictEqual(domException.cause, undefined);
}
{
const domException = new DOMException('with string cause', { name: 'abc', cause: 'foo' });
strictEqual(domException.name, 'abc');
strictEqual('cause' in domException, true);
strictEqual(domException.cause, 'foo');
}
{
const object = { reason: 'foo' };
const domException = new DOMException('with object cause', { name: 'abc', cause: object });
strictEqual(domException.name, 'abc');
strictEqual('cause' in domException, true);
deepStrictEqual(domException.cause, object);
}