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(function() {
if (typeof document == 'undefined') return;
var _ = typeof require == 'function' ? require('..') : window._;
QUnit.module('Cross Document');
/* global iObject, iElement, iArguments, iFunction, iArray, iError, iString, iNumber, iBoolean, iDate, iRegExp, iNaN, iNull, iUndefined, ActiveXObject */
// Setup remote variables for iFrame tests.
var iframe = document.createElement('iframe');
iframe.frameBorder = iframe.height = iframe.width = 0;
document.body.appendChild(iframe);
var iDoc = (iDoc = iframe.contentDocument || iframe.contentWindow).document || iDoc;
iDoc.write(
[
'<script>',
'parent.iElement = document.createElement("div");',
'parent.iArguments = (function(){ return arguments; })(1, 2, 3);',
'parent.iArray = [1, 2, 3];',
'parent.iString = new String("hello");',
'parent.iNumber = new Number(100);',
'parent.iFunction = (function(){});',
'parent.iDate = new Date();',
'parent.iRegExp = /hi/;',
'parent.iNaN = NaN;',
'parent.iNull = null;',
'parent.iBoolean = new Boolean(false);',
'parent.iUndefined = undefined;',
'parent.iObject = {};',
'parent.iError = new Error();',
'</script>'
].join('\n')
);
iDoc.close();
QUnit.test('isEqual', function(assert) {
assert.ok(!_.isEqual(iNumber, 101));
assert.ok(_.isEqual(iNumber, 100));
// Objects from another frame.
assert.ok(_.isEqual({}, iObject), 'Objects with equivalent members created in different documents are equal');
// Array from another frame.
assert.ok(_.isEqual([1, 2, 3], iArray), 'Arrays with equivalent elements created in different documents are equal');
});
QUnit.test('isEmpty', function(assert) {
assert.ok(!_([iNumber]).isEmpty(), '[1] is not empty');
assert.ok(!_.isEmpty(iArray), '[] is empty');
assert.ok(_.isEmpty(iObject), '{} is empty');
});
QUnit.test('isElement', function(assert) {
assert.ok(!_.isElement('div'), 'strings are not dom elements');
assert.ok(_.isElement(document.body), 'the body tag is a DOM element');
assert.ok(_.isElement(iElement), 'even from another frame');
});
QUnit.test('isArguments', function(assert) {
assert.ok(_.isArguments(iArguments), 'even from another frame');
});
QUnit.test('isObject', function(assert) {
assert.ok(_.isObject(iElement), 'even from another frame');
assert.ok(_.isObject(iFunction), 'even from another frame');
});
QUnit.test('isArray', function(assert) {
assert.ok(_.isArray(iArray), 'even from another frame');
});
QUnit.test('isString', function(assert) {
assert.ok(_.isString(iString), 'even from another frame');
});
QUnit.test('isNumber', function(assert) {
assert.ok(_.isNumber(iNumber), 'even from another frame');
});
QUnit.test('isBoolean', function(assert) {
assert.ok(_.isBoolean(iBoolean), 'even from another frame');
});
QUnit.test('isFunction', function(assert) {
assert.ok(_.isFunction(iFunction), 'even from another frame');
});
QUnit.test('isDate', function(assert) {
assert.ok(_.isDate(iDate), 'even from another frame');
});
QUnit.test('isRegExp', function(assert) {
assert.ok(_.isRegExp(iRegExp), 'even from another frame');
});
QUnit.test('isNaN', function(assert) {
assert.ok(_.isNaN(iNaN), 'even from another frame');
});
QUnit.test('isNull', function(assert) {
assert.ok(_.isNull(iNull), 'even from another frame');
});
QUnit.test('isUndefined', function(assert) {
assert.ok(_.isUndefined(iUndefined), 'even from another frame');
});
QUnit.test('isError', function(assert) {
assert.ok(_.isError(iError), 'even from another frame');
});
if (typeof ActiveXObject != 'undefined') {
QUnit.test('IE host objects', function(assert) {
var xml = new ActiveXObject('Msxml2.DOMDocument.3.0');
assert.ok(!_.isNumber(xml));
assert.ok(!_.isBoolean(xml));
assert.ok(!_.isNaN(xml));
assert.ok(!_.isFunction(xml));
assert.ok(!_.isNull(xml));
assert.ok(!_.isUndefined(xml));
});
QUnit.test('#1621 IE 11 compat mode DOM elements are not functions', function(assert) {
var fn = function() {};
var xml = new ActiveXObject('Msxml2.DOMDocument.3.0');
var div = document.createElement('div');
// JIT the function
var count = 200;
while (count--) {
_.isFunction(fn);
}
assert.equal(_.isFunction(xml), false);
assert.equal(_.isFunction(div), false);
assert.equal(_.isFunction(fn), true);
});
}
}());
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