mirror of https://gitee.com/openkylin/nodejs.git
34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
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// Flags: --expose-internals
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'use strict';
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require('../common');
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const { internalBinding } = require('internal/test/binding');
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const constants = internalBinding('constants');
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const assert = require('assert');
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assert.deepStrictEqual(
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Object.keys(constants).sort(), ['crypto', 'fs', 'os', 'trace', 'zlib']
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);
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assert.deepStrictEqual(
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Object.keys(constants.os).sort(), ['UV_UDP_REUSEADDR', 'dlopen', 'errno',
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'priority', 'signals']
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);
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// Make sure all the constants objects don't inherit from Object.prototype
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const inheritedProperties = Object.getOwnPropertyNames(Object.prototype);
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function test(obj) {
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assert(obj);
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assert.strictEqual(Object.prototype.toString.call(obj), '[object Object]');
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assert.strictEqual(Object.getPrototypeOf(obj), null);
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inheritedProperties.forEach((property) => {
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assert.strictEqual(property in obj, false);
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});
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}
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[
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constants, constants.crypto, constants.fs, constants.os, constants.trace,
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constants.zlib, constants.os.dlopen, constants.os.errno, constants.os.signals
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].forEach(test);
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