nodejs/test/parallel/test-util.js
Connor Peet 849319a260 util: Check input to util.inherits
PR-URL: https://github.com/iojs/io.js/pull/1240
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>
Reviewed-By: Petka Antonov <petka_antonov@hotmail.com>
2015-03-22 20:45:35 -07:00

88 lines
3.6 KiB
JavaScript

var common = require('../common');
var assert = require('assert');
var util = require('util');
var context = require('vm').runInNewContext;
// isArray
assert.equal(true, util.isArray([]));
assert.equal(true, util.isArray(Array()));
assert.equal(true, util.isArray(new Array()));
assert.equal(true, util.isArray(new Array(5)));
assert.equal(true, util.isArray(new Array('with', 'some', 'entries')));
assert.equal(true, util.isArray(context('Array')()));
assert.equal(false, util.isArray({}));
assert.equal(false, util.isArray({ push: function() {} }));
assert.equal(false, util.isArray(/regexp/));
assert.equal(false, util.isArray(new Error));
assert.equal(false, util.isArray(Object.create(Array.prototype)));
// isRegExp
assert.equal(true, util.isRegExp(/regexp/));
assert.equal(true, util.isRegExp(RegExp()));
assert.equal(true, util.isRegExp(new RegExp()));
assert.equal(true, util.isRegExp(context('RegExp')()));
assert.equal(false, util.isRegExp({}));
assert.equal(false, util.isRegExp([]));
assert.equal(false, util.isRegExp(new Date()));
assert.equal(false, util.isRegExp(Object.create(RegExp.prototype)));
// isDate
assert.equal(true, util.isDate(new Date()));
assert.equal(true, util.isDate(new Date(0)));
assert.equal(true, util.isDate(new (context('Date'))));
assert.equal(false, util.isDate(Date()));
assert.equal(false, util.isDate({}));
assert.equal(false, util.isDate([]));
assert.equal(false, util.isDate(new Error));
assert.equal(false, util.isDate(Object.create(Date.prototype)));
// isError
assert.equal(true, util.isError(new Error));
assert.equal(true, util.isError(new TypeError));
assert.equal(true, util.isError(new SyntaxError));
assert.equal(true, util.isError(new (context('Error'))));
assert.equal(true, util.isError(new (context('TypeError'))));
assert.equal(true, util.isError(new (context('SyntaxError'))));
assert.equal(false, util.isError({}));
assert.equal(false, util.isError({ name: 'Error', message: '' }));
assert.equal(false, util.isError([]));
assert.equal(true, util.isError(Object.create(Error.prototype)));
// isObject
assert.ok(util.isObject({}) === true);
// isPrimitive
assert.equal(false, util.isPrimitive({}));
assert.equal(false, util.isPrimitive(new Error));
assert.equal(false, util.isPrimitive(new Date()));
assert.equal(false, util.isPrimitive([]));
assert.equal(false, util.isPrimitive(/regexp/));
assert.equal(false, util.isPrimitive(function(){}));
assert.equal(false, util.isPrimitive(new Number(1)));
assert.equal(false, util.isPrimitive(new String('bla')));
assert.equal(false, util.isPrimitive(new Boolean(true)));
assert.equal(true, util.isPrimitive(1));
assert.equal(true, util.isPrimitive('bla'));
assert.equal(true, util.isPrimitive(true));
assert.equal(true, util.isPrimitive(undefined));
assert.equal(true, util.isPrimitive(null));
assert.equal(true, util.isPrimitive(Infinity));
assert.equal(true, util.isPrimitive(NaN));
assert.equal(true, util.isPrimitive(Symbol('symbol')));
// _extend
assert.deepEqual(util._extend({a:1}), {a:1});
assert.deepEqual(util._extend({a:1}, []), {a:1});
assert.deepEqual(util._extend({a:1}, null), {a:1});
assert.deepEqual(util._extend({a:1}, true), {a:1});
assert.deepEqual(util._extend({a:1}, false), {a:1});
assert.deepEqual(util._extend({a:1}, {b:2}), {a:1, b:2});
assert.deepEqual(util._extend({a:1, b:2}, {b:3}), {a:1, b:3});
// inherits
var ctor = function() {};
assert.throws(function() { util.inherits(ctor, {}) }, TypeError);
assert.throws(function() { util.inherits(ctor, null) }, TypeError);
assert.throws(function() { util.inherits(null, ctor) }, TypeError);
assert.doesNotThrow(function() { util.inherits(ctor, ctor) }, TypeError);