nodejs/test/parallel/test-internal-error-origina...

36 lines
922 B
JavaScript

// Flags: --expose-internals
'use strict';
// This tests `internal/errors.useOriginalName`
// This testing feature is needed to allows us to assert the types of
// errors without using instanceof, which is necessary in WPT harness.
// Refs: https://github.com/nodejs/node/pull/22556
require('../common');
const assert = require('assert');
const errors = require('internal/errors');
errors.E('TEST_ERROR_1', 'Error for testing purposes: %s',
Error);
{
const err = new errors.codes.TEST_ERROR_1('test');
assert(err instanceof Error);
assert.strictEqual(err.name, 'Error');
}
{
errors.useOriginalName = true;
const err = new errors.codes.TEST_ERROR_1('test');
assert(err instanceof Error);
assert.strictEqual(err.name, 'Error');
}
{
errors.useOriginalName = false;
const err = new errors.codes.TEST_ERROR_1('test');
assert(err instanceof Error);
assert.strictEqual(err.name, 'Error');
}