mirror of https://gitee.com/openkylin/nodejs.git
179 lines
7.5 KiB
JavaScript
179 lines
7.5 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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// Flags: --expose-internals
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require('../common');
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const assert = require('assert');
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const util = require('util');
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const errors = require('internal/errors');
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const context = require('vm').runInNewContext;
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// isArray
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assert.strictEqual(util.isArray([]), true);
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assert.strictEqual(util.isArray(Array()), true);
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assert.strictEqual(util.isArray(new Array()), true);
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assert.strictEqual(util.isArray(new Array(5)), true);
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assert.strictEqual(util.isArray(new Array('with', 'some', 'entries')), true);
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assert.strictEqual(util.isArray(context('Array')()), true);
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assert.strictEqual(util.isArray({}), false);
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assert.strictEqual(util.isArray({ push: function() {} }), false);
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assert.strictEqual(util.isArray(/regexp/), false);
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assert.strictEqual(util.isArray(new Error()), false);
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assert.strictEqual(util.isArray(Object.create(Array.prototype)), false);
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// isRegExp
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assert.strictEqual(util.isRegExp(/regexp/), true);
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assert.strictEqual(util.isRegExp(RegExp(), 'foo'), true);
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assert.strictEqual(util.isRegExp(new RegExp()), true);
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assert.strictEqual(util.isRegExp(context('RegExp')()), true);
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assert.strictEqual(util.isRegExp({}), false);
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assert.strictEqual(util.isRegExp([]), false);
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assert.strictEqual(util.isRegExp(new Date()), false);
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assert.strictEqual(util.isRegExp(Object.create(RegExp.prototype)), false);
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// isDate
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assert.strictEqual(util.isDate(new Date()), true);
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assert.strictEqual(util.isDate(new Date(0), 'foo'), true);
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assert.strictEqual(util.isDate(new (context('Date'))()), true);
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assert.strictEqual(util.isDate(Date()), false);
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assert.strictEqual(util.isDate({}), false);
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assert.strictEqual(util.isDate([]), false);
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assert.strictEqual(util.isDate(new Error()), false);
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assert.strictEqual(util.isDate(Object.create(Date.prototype)), false);
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// isError
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assert.strictEqual(util.isError(new Error()), true);
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assert.strictEqual(util.isError(new TypeError()), true);
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assert.strictEqual(util.isError(new SyntaxError()), true);
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assert.strictEqual(util.isError(new (context('Error'))()), true);
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assert.strictEqual(util.isError(new (context('TypeError'))()), true);
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assert.strictEqual(util.isError(new (context('SyntaxError'))()), true);
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assert.strictEqual(util.isError({}), false);
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assert.strictEqual(util.isError({ name: 'Error', message: '' }), false);
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assert.strictEqual(util.isError([]), false);
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assert.strictEqual(util.isError(Object.create(Error.prototype)), true);
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// isObject
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assert.strictEqual(util.isObject({}), true);
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assert.strictEqual(util.isObject([]), true);
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assert.strictEqual(util.isObject(new Number(3)), true);
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assert.strictEqual(util.isObject(Number(4)), false);
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assert.strictEqual(util.isObject(1), false);
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// isPrimitive
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assert.strictEqual(util.isPrimitive({}), false);
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assert.strictEqual(util.isPrimitive(new Error()), false);
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assert.strictEqual(util.isPrimitive(new Date()), false);
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assert.strictEqual(util.isPrimitive([]), false);
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assert.strictEqual(util.isPrimitive(/regexp/), false);
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assert.strictEqual(util.isPrimitive(function() {}), false);
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assert.strictEqual(util.isPrimitive(new Number(1)), false);
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assert.strictEqual(util.isPrimitive(new String('bla')), false);
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assert.strictEqual(util.isPrimitive(new Boolean(true)), false);
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assert.strictEqual(util.isPrimitive(1), true);
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assert.strictEqual(util.isPrimitive('bla'), true);
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assert.strictEqual(util.isPrimitive(true), true);
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assert.strictEqual(util.isPrimitive(undefined), true);
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assert.strictEqual(util.isPrimitive(null), true);
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assert.strictEqual(util.isPrimitive(Infinity), true);
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assert.strictEqual(util.isPrimitive(NaN), true);
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assert.strictEqual(util.isPrimitive(Symbol('symbol')), true);
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// isBuffer
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assert.strictEqual(util.isBuffer('foo'), false);
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assert.strictEqual(util.isBuffer(Buffer.from('foo')), true);
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// _extend
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assert.deepStrictEqual(util._extend({ a: 1 }), { a: 1 });
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assert.deepStrictEqual(util._extend({ a: 1 }, []), { a: 1 });
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assert.deepStrictEqual(util._extend({ a: 1 }, null), { a: 1 });
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assert.deepStrictEqual(util._extend({ a: 1 }, true), { a: 1 });
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assert.deepStrictEqual(util._extend({ a: 1 }, false), { a: 1 });
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assert.deepStrictEqual(util._extend({ a: 1 }, { b: 2 }), { a: 1, b: 2 });
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assert.deepStrictEqual(util._extend({ a: 1, b: 2 }, { b: 3 }), { a: 1, b: 3 });
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// deprecated
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assert.strictEqual(util.isBoolean(true), true);
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assert.strictEqual(util.isBoolean(false), true);
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assert.strictEqual(util.isBoolean('string'), false);
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assert.strictEqual(util.isNull(null), true);
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assert.strictEqual(util.isNull(undefined), false);
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assert.strictEqual(util.isNull(), false);
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assert.strictEqual(util.isNull('string'), false);
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assert.strictEqual(util.isUndefined(undefined), true);
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assert.strictEqual(util.isUndefined(), true);
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assert.strictEqual(util.isUndefined(null), false);
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assert.strictEqual(util.isUndefined('string'), false);
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assert.strictEqual(util.isNullOrUndefined(null), true);
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assert.strictEqual(util.isNullOrUndefined(undefined), true);
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assert.strictEqual(util.isNullOrUndefined(), true);
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assert.strictEqual(util.isNullOrUndefined('string'), false);
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assert.strictEqual(util.isNumber(42), true);
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assert.strictEqual(util.isNumber(), false);
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assert.strictEqual(util.isNumber('string'), false);
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assert.strictEqual(util.isString('string'), true);
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assert.strictEqual(util.isString(), false);
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assert.strictEqual(util.isString(42), false);
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assert.strictEqual(util.isSymbol(Symbol()), true);
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assert.strictEqual(util.isSymbol(), false);
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assert.strictEqual(util.isSymbol('string'), false);
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assert.strictEqual(util.isFunction(() => {}), true);
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assert.strictEqual(util.isFunction(function() {}), true);
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assert.strictEqual(util.isFunction(), false);
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assert.strictEqual(util.isFunction('string'), false);
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{
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assert.strictEqual(util.types.isNativeError(new Error()), true);
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assert.strictEqual(util.types.isNativeError(new TypeError()), true);
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assert.strictEqual(util.types.isNativeError(new SyntaxError()), true);
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assert.strictEqual(util.types.isNativeError(new (context('Error'))()), true);
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assert.strictEqual(
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util.types.isNativeError(new (context('TypeError'))()),
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true
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);
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assert.strictEqual(
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util.types.isNativeError(new (context('SyntaxError'))()),
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true
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);
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assert.strictEqual(util.types.isNativeError({}), false);
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assert.strictEqual(
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util.types.isNativeError({ name: 'Error', message: '' }),
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false
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);
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assert.strictEqual(util.types.isNativeError([]), false);
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assert.strictEqual(
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util.types.isNativeError(Object.create(Error.prototype)),
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false
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);
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assert.strictEqual(
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util.types.isNativeError(new errors.codes.ERR_IPC_CHANNEL_CLOSED()),
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true
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);
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}
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