c584c3e08f
This commit adds an internal util method that makes hidden values in the C++ layer visible in JS. PR-URL: https://github.com/nodejs/node/pull/3988 Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
32 lines
1 KiB
JavaScript
32 lines
1 KiB
JavaScript
'use strict';
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// Flags: --expose_internals
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const common = require('../common');
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const assert = require('assert');
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const internalUtil = require('internal/util');
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function getHiddenValue(obj, name) {
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return function() {
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internalUtil.getHiddenValue(obj, name);
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};
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}
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assert.throws(getHiddenValue(), /obj must be an object/);
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assert.throws(getHiddenValue(null, 'foo'), /obj must be an object/);
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assert.throws(getHiddenValue(undefined, 'foo'), /obj must be an object/);
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assert.throws(getHiddenValue('bar', 'foo'), /obj must be an object/);
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assert.throws(getHiddenValue(85, 'foo'), /obj must be an object/);
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assert.throws(getHiddenValue({}), /name must be a string/);
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assert.throws(getHiddenValue({}, null), /name must be a string/);
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assert.throws(getHiddenValue({}, []), /name must be a string/);
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assert.deepEqual(internalUtil.getHiddenValue({}, 'foo'), undefined);
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let arrowMessage;
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try {
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require('../fixtures/syntax/bad_syntax');
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} catch (err) {
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arrowMessage = internalUtil.getHiddenValue(err, 'arrowMessage');
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}
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assert(/bad_syntax\.js:1/.test(arrowMessage));
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