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Add test case for the util.js type checking functions.

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TooTallNate authored and koichik committed Oct 26, 2011
1 parent b8f3e18 commit a6a04fb1ec8cd58c718a5314807a18d6fc9788a3
Showing with 67 additions and 0 deletions.
  1. +67 −0 test/simple/test-util.js
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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.


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))

// 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()))

// 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))

// 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([]))

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