node/test/parallel/test-util-internal.js

37 lines
853 B
JavaScript

'use strict';
// Flags: --expose-internals
require('../common');
const assert = require('assert');
const fixtures = require('../common/fixtures');
const { internalBinding } = require('internal/test/binding');
const {
getHiddenValue,
setHiddenValue,
arrow_message_private_symbol: kArrowMessagePrivateSymbolIndex
} = internalBinding('util');
assert.strictEqual(
getHiddenValue({}, kArrowMessagePrivateSymbolIndex),
undefined);
const obj = {};
assert.strictEqual(
setHiddenValue(obj, kArrowMessagePrivateSymbolIndex, 'bar'),
true);
assert.strictEqual(
getHiddenValue(obj, kArrowMessagePrivateSymbolIndex),
'bar');
let arrowMessage;
try {
require(fixtures.path('syntax', 'bad_syntax'));
} catch (err) {
arrowMessage =
getHiddenValue(err, kArrowMessagePrivateSymbolIndex);
}
assert.match(arrowMessage, /bad_syntax\.js:1/);