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|
<!DOCTYPE html>
<html>
<!--
Copyright 2006 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.*</title>
<script src="base.js"></script>
<script>
goog.require('goog.functions');
// Used to test dynamic loading works, see testRequire*
goog.require('goog.Timer');
goog.require('goog.testing.PropertyReplacer');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.recordFunction');
goog.require('goog.userAgent');
</script>
</head>
<body>
<div id="elem">
<span>One</span>
<span id="text">Two</span>
<span>Three</span>
</div>
<iframe name="f1" id="f1" src=""></iframe>
<iframe name="f2" id="f2" src=""></iframe>
<script>
function getFramedVars(name) {
var w = window.frames[name];
var doc = w.document;
doc.open();
doc.write('<script>' +
'var a = [0, 1, 2];' +
'var o = {a: 0, b: 1};' +
'var n = 42;' +
'var b = true;' +
'var s = "string";' +
'var nv = null;' +
'var u = undefined;' +
'var fv = function(){};' +
'</' + 'script>')
doc.close();
return {
'array': w.a,
'object': w.o,
'number': w.n,
'boolean': w.b,
'string': w.s,
'functionVar': w.fv,
'nullVar': w.nv,
'undefinedVar': w.u
};
}
var framedVars = getFramedVars('f1');
var framedVars2 = getFramedVars('f2');
// remove iframe
var iframeElement = document.getElementById('f2');
iframeElement.parentNode.removeChild(iframeElement);
</script>
<script>
var stubs = new goog.testing.PropertyReplacer();
var originalGoogBind = goog.bind;
function tearDown() {
goog.setCssNameMapping(undefined);
stubs.reset();
goog.bind = originalGoogBind;
}
function testLibrary() {
assertNotUndefined("'goog' not loaded", goog);
}
function testProvide() {
goog.provide('goog.test.name.space');
assertNotUndefined('provide failed: goog.test', goog.test);
assertNotUndefined('provide failed: goog.test.name', goog.test.name);
assertNotUndefined('provide failed: goog.test.name.space',
goog.test.name.space);
// ensure that providing 'goog.test.name' doesn't throw an exception
goog.provide('goog.test');
goog.provide('goog.test.name');
delete goog.test;
}
function testProvideStrictness() {
goog.provide('goog.xy');
assertProvideFails('goog.xy');
goog.provide('goog.xy.z');
assertProvideFails('goog.xy');
window['goog']['xyz'] = 'Bob';
assertProvideFails('goog.xyz');
delete goog.xy;
delete goog.xyz;
}
function assertProvideFails(namespace) {
assertThrows('goog.provide(' + namespace + ') should have failed',
goog.partial(goog.provide, namespace));
}
function testIsProvided() {
goog.provide('goog.explicit');
assertTrue(goog.isProvided_('goog.explicit'));
goog.provide('goog.implicit.explicit');
assertFalse(goog.isProvided_('goog.implicit'));
assertTrue(goog.isProvided_('goog.implicit.explicit'));
}
function testGlobalize() {
goog.globalize(goog);
assertNotUndefined('Globalize goog', provide);
var a = {a: 1, b: 2, c: 3};
var b = {};
goog.globalize(a, b);
assertNotUndefined('Globalize to arbitrary object', b.a);
assertNotUndefined('Globalize to arbitrary object', b.b);
assertNotUndefined('Globalize to arbitrary object', b.c);
}
function testExportSymbol() {
var date = new Date();
assertTrue(typeof nodots == 'undefined');
goog.exportSymbol('nodots', date);
assertEquals(date, nodots);
nodots = undefined;
assertTrue(typeof gotcher == 'undefined');
goog.exportSymbol('gotcher.dots.right.Here', date);
assertEquals(date, gotcher.dots.right.Here);
gotcher = undefined;
goog.provide('an.existing.path');
assertNotNull(an.existing.path);
goog.exportSymbol('an.existing.path', date);
assertEquals(date, an.existing.path);
an = undefined;
var foo = {foo: 'foo'};
var bar = {bar: 'bar'};
var baz = {baz: 'baz'};
goog.exportSymbol('one.two.three.Four', foo);
goog.exportSymbol('one.two.three.five', bar);
goog.exportSymbol('one.two.six', baz);
assertEquals(foo, one.two.three.Four);
assertEquals(bar, one.two.three.five);
assertEquals(baz, one.two.six);
var win = {};
var fooBar = {foo: 'foo', bar: 'bar'};
goog.exportSymbol('one.two.four', fooBar, win);
assertEquals(fooBar, win.one.two.four);
assertTrue('four' in win.one.two);
assertFalse('four' in one.two);
one = undefined;
}
goog.exportSymbol('exceptionTest', function() {
throw Error('ERROR');
});
function testExportSymbolExceptions() {
var e = assertThrows('Exception wasn\'t thrown by exported function',
exceptionTest);
assertEquals('Unexpected error thrown', 'ERROR', e.message);
}
//=== tests for Require logic ===
function testRequireClosure() {
assertNotUndefined('goog.Timer should be available', goog.Timer);
assertNotUndefined('goog.events.EventTarget should be available', goog.events.EventTarget);
}
function testRequireWithExternalDuplicate() {
// Do a provide without going via goog.require. Then goog.require it
// indirectly and ensure it doesn't cause a duplicate script.
goog.addDependency('dup.js', ['dup.base'], []);
goog.addDependency('dup-child.js', ['dup.base.child'], ['dup.base']);
goog.provide('dup.base');
try {
goog.global.CLOSURE_IMPORT_SCRIPT = function(src) {
if (src == goog.basePath + 'dup.js') {
fail('Duplicate script written!');
} else if (src == goog.basePath + 'dup-child.js') {
// Allow expected script.
return true;
} else {
// Avoid affecting other state.
return false;
}
};
// To differentiate this call from the real one.
var require = goog.require;
require('dup.base.child');
} finally {
goog.global.CLOSURE_IMPORT_SCRIPT = undefined;
}
}
//=== tests for language enhancements ===
function testTypeOf() {
assertEquals('array', goog.typeOf([]));
assertEquals('string', goog.typeOf('string'));
assertEquals('number', goog.typeOf(123));
assertEquals('null', goog.typeOf(null));
assertEquals('undefined', goog.typeOf(undefined));
assertEquals('object', goog.typeOf({}));
assertEquals('function', goog.typeOf(function(){}));
// Make sure that NodeList is not treated as an array... NodeLists should
// be of type object but Safari incorrectly reports it as function so a not
// equals test will have to suffice here.
assertNotEquals('array', goog.typeOf(document.getElementsByName('*')));
assertNotEquals('function', goog.typeOf(document.getElementsByName('*')));
assertEquals('object', goog.typeOf(document.getElementsByName('*')));
}
function testTypeOfFramed() {
assertEquals('array', goog.typeOf(framedVars.array));
assertEquals('string', goog.typeOf(framedVars.string));
assertEquals('number', goog.typeOf(framedVars.number));
assertEquals('null', goog.typeOf(framedVars.nullVar));
assertEquals('undefined', goog.typeOf(framedVars.undefinedVar));
assertEquals('object', goog.typeOf(framedVars.object));
assertEquals('function', goog.typeOf(framedVars.functionVar));
// Opera throws when trying to do cross frame typeof on node lists.
// IE behaves very strange when it comes to DOM nodes on disconnected frames.
}
function testTypeOfFramed2() {
assertEquals('array', goog.typeOf(framedVars2.array));
assertEquals('string', goog.typeOf(framedVars2.string));
assertEquals('number', goog.typeOf(framedVars2.number));
assertEquals('null', goog.typeOf(framedVars2.nullVar));
assertEquals('undefined', goog.typeOf(framedVars2.undefinedVar));
assertEquals('object', goog.typeOf(framedVars2.object));
assertEquals('function', goog.typeOf(framedVars2.functionVar));
// Opera throws when trying to do cross frame typeof on node lists.
// IE behaves very strange when it comes to DOM nodes on disconnected frames.
}
function testIsDef() {
var defined = 'foo';
var nullVar = null;
var notDefined;
assertTrue('defined should be defined', goog.isDef(defined));
assertTrue('null should be defined', goog.isDef(defined));
assertFalse('undefined should not be defined', goog.isDef(notDefined));
}
function testIsDefAndNotNull() {
assertTrue('string is defined and non-null', goog.isDefAndNotNull(''));
assertTrue('object is defined and non-null', goog.isDefAndNotNull({}));
assertTrue('function is defined and non-null',
goog.isDefAndNotNull(goog.nullFunction));
assertTrue('zero is defined and non-null',
goog.isDefAndNotNull(0));
assertFalse('null', goog.isDefAndNotNull(null));
assertFalse('undefined', goog.isDefAndNotNull(undefined));
}
function testIsNull() {
var notNull = 'foo';
var nullVar = null;
var notDefined;
assertFalse('defined should not be null', goog.isNull(notNull));
assertTrue('null should be null', goog.isNull(nullVar));
assertFalse('undefined should not be null', goog.isNull(notDefined))
}
function testIsArray() {
var array = [1, 2, 3];
var arrayWithLengthSet = [1, 2, 3];
arrayWithLengthSet.length = 2;
var objWithArrayFunctions = {slice: function() {}, length: 0};
var object = {a: 1, b: 2, c: 3};
var nullVar = null;
var notDefined;
var elem = document.getElementById('elem');
var text = document.getElementById('text').firstChild;
var impostor = document.body.getElementsByTagName('BOGUS');
impostor.push = Array.prototype.push;
impostor.pop = Array.prototype.pop;
impostor.slice = Array.prototype.slice;
impostor.splice = Array.prototype.splice;
assertTrue('array should be an array', goog.isArray(array));
assertTrue('arrayWithLengthSet should be an array',
goog.isArray(arrayWithLengthSet));
assertFalse('object with array functions should not be an array unless ' +
'length is not enumerable', goog.isArray(objWithArrayFunctions));
assertFalse('object should not be an array', goog.isArray(object));
assertFalse('null should not be an array', goog.isArray(nullVar));
assertFalse('undefined should not be an array', goog.isArray(notDefined));
assertFalse('NodeList should not be an array', goog.isArray(elem.childNodes));
assertFalse('TextNode should not be an array', goog.isArray(text));
assertTrue('Array of nodes should be an array',
goog.isArray([elem.firstChild, elem.lastChild]));
assertFalse('An impostor should not be an array', goog.isArray(impostor));
}
function testTypeOfAcrossWindow() {
if (goog.userAgent.WEBKIT && goog.userAgent.MAC) {
// The server farm has issues with new windows on Safari Mac.
return;
}
var w = window.open('', 'blank');
if (w) {
try {
try {
var d = w.document;
d.open();
d.write('<script>function fun(){};' +
'var arr = [];' +
'var x = 42;' +
'var s = "";' +
'var b = true;' +
'var obj = {length: 0, splice: {}, call: {}};' +
'</' + 'script>');
d.close();
} catch (ex) {
// In Firefox Linux on the server farm we don't have access to
// w.document.
return;
}
assertEquals('function', goog.typeOf(w.fun));
assertEquals('array', goog.typeOf(w.arr));
assertEquals('number', goog.typeOf(w.x));
assertEquals('string', goog.typeOf(w.s));
assertEquals('boolean', goog.typeOf(w.b));
assertEquals('object', goog.typeOf(w.obj));
} finally {
w.close();
}
}
}
function testIsArrayLike() {
var array = [1, 2, 3];
var objectWithNumericLength = {length: 2};
var objectWithNonNumericLength = {length: 'a'};
var object = {a: 1, b: 2};
var nullVar = null;
var notDefined;
var elem = document.getElementById('elem');
var text = document.getElementById('text').firstChild;
assertTrue('array should be array-like', goog.isArrayLike(array));
assertTrue('obj w/numeric length should be array-like',
goog.isArrayLike(objectWithNumericLength));
assertFalse('obj w/non-numeric length should not be array-like',
goog.isArrayLike(objectWithNonNumericLength));
assertFalse('object should not be array-like', goog.isArrayLike(object));
assertFalse('null should not be array-like', goog.isArrayLike(nullVar));
assertFalse('undefined should not be array-like',
goog.isArrayLike(notDefined));
assertTrue('NodeList should be array-like',
goog.isArrayLike(elem.childNodes));
// TODO(attila): Fix isArrayLike to return false for text nodes!
// assertFalse('TextNode should not be array-like', goog.isArrayLike(text));
assertTrue('Array of nodes should be array-like',
goog.isArrayLike([elem.firstChild, elem.lastChild]));
}
// Use mock date in testIsDateLike() rather than a real goog.date.Date to
// minimize dependencies in this unit test.
function MockGoogDate() {}
MockGoogDate.prototype.getFullYear = function() {
return 2007;
};
function testIsDateLike() {
var jsDate = new Date();
var googDate = new MockGoogDate();
var string = 'foo';
var number = 1;
var nullVar = null;
var notDefined;
assertTrue('js Date should be date-like', goog.isDateLike(jsDate));
assertTrue('goog Date should be date-like', goog.isDateLike(googDate));
assertFalse('string should not be date-like', goog.isDateLike(string));
assertFalse('number should not be date-like', goog.isDateLike(number));
assertFalse('nullVar should not be date-like', goog.isDateLike(nullVar));
assertFalse('undefined should not be date-like', goog.isDateLike(notDefined));
}
function testIsString() {
var string = 'foo';
var number = 2;
var nullVar = null;
var notDefined;
assertTrue('string should be a string', goog.isString(string));
assertFalse('number should not be a string', goog.isString(number));
assertFalse('null should not be a string', goog.isString(nullVar));
assertFalse('undefined should not be a string', goog.isString(notDefined));
}
function testIsBoolean() {
var b = true;
var s = 'true';
var num = 1;
var nullVar = null;
var notDefined;
assertTrue('boolean should be a boolean', goog.isBoolean(b));
assertFalse('string should not be a boolean', goog.isBoolean(s));
assertFalse('number should not be a boolean', goog.isBoolean(num));
assertFalse('null should not be a boolean', goog.isBoolean(nullVar));
assertFalse('undefined should not be a boolean', goog.isBoolean(notDefined));
}
function testIsNumber() {
var number = 1;
var string = '1';
var nullVar = null;
var notDefined;
assertTrue('number should be a number', goog.isNumber(number));
assertFalse('string should not be a number', goog.isNumber(string));
assertFalse('null should not be a number', goog.isNumber(nullVar));
assertFalse('undefined should not be a number', goog.isNumber(notDefined));
}
function testIsFunction() {
var func = function() { return 1; };
var object = {a: 1, b: 2};
var nullVar = null;
var notDefined;
assertTrue('function should be a function', goog.isFunction(func));
assertFalse('object should not be a function', goog.isFunction(object));
assertFalse('null should not be a function', goog.isFunction(nullVar));
assertFalse('undefined should not be a function', goog.isFunction(notDefined));
}
function testIsObject() {
var object = {a: 1, b: 2};
var string = 'b';
var nullVar = null;
var notDefined;
var array = [0, 1, 2];
var fun = function() {};
assertTrue('object should be an object', goog.isObject(object));
assertTrue('array should be an object', goog.isObject(array));
assertTrue('function should be an object', goog.isObject(fun));
assertFalse('string should not be an object', goog.isObject(string));
assertFalse('null should not be an object', goog.isObject(nullVar));
assertFalse('undefined should not be an object', goog.isObject(notDefined));
}
//=== tests for unique ID methods ===
function testGetUid() {
var a = {};
var b = {};
var c = {};
var uid1 = goog.getUid(a);
var uid2 = goog.getUid(b);
var uid3 = goog.getUid(c);
assertNotEquals('Unique IDs must be unique', uid1, uid2);
assertNotEquals('Unique IDs must be unique', uid1, uid3);
assertNotEquals('Unique IDs must be unique', uid2, uid3);
}
function testRemoveUidFromPlainObject() {
var a = {};
var uid = goog.getUid(a);
goog.removeUid(a);
assertNotEquals("An object's old and new unique IDs should be different",
uid, goog.getUid(a));
}
function testRemoveUidFromObjectWithoutUid() {
var a = {};
// Removing a unique ID should not fail even if it did not exist
goog.removeUid(a);
}
function testRemoveUidFromNode() {
var node = document.createElement('div');
var nodeUid = goog.getUid(node);
goog.removeUid(node);
assertNotEquals("A node's old and new unique IDs should be different",
nodeUid, goog.getUid(node));
}
function testConstructorUid() {
function BaseClass() {};
function SubClass() {};
goog.inherits(SubClass, BaseClass);
var baseClassUid = goog.getUid(BaseClass);
var subClassUid = goog.getUid(SubClass);
assertTrue('Unique ID of BaseClass must be a number',
typeof baseClassUid == 'number');
assertTrue('Unique ID of SubClass must be a number',
typeof subClassUid == 'number');
assertNotEquals('Unique IDs of BaseClass and SubClass must differ',
baseClassUid, subClassUid);
assertNotEquals('Unique IDs of BaseClass and SubClass instances must differ',
goog.getUid(new BaseClass), goog.getUid(new SubClass));
assertEquals('Unique IDs of BaseClass.prototype and SubClass.prototype ' +
'should differ, but to keep the implementation simple, we do not ' +
'handle this edge case.',
goog.getUid(BaseClass.prototype), goog.getUid(SubClass.prototype));
}
/**
* Tests against Chrome bug where the re-created element will have the uid
* property set but undefined. See bug 1252508.
*/
function testUidNotUndefinedOnReusedElement() {
var div = document.createElement('DIV');
document.body.appendChild(div);
div.innerHTML = '<form id="form"></form>';
var span = div.getElementsByTagName('FORM')[0];
goog.getUid(span);
div.innerHTML = '<form id="form"></form>';
var span2 = div.getElementsByTagName('FORM')[0];
assertNotUndefined(goog.getUid(span2));
}
function testWindowUid() {
var uid = goog.getUid(window);
assertTrue('window unique id is a number', goog.isNumber(uid));
assertEquals('returns the same id second time', uid, goog.getUid(window));
goog.removeUid(window);
assertNotEquals('generates new id after the old one is removed',
goog.getUid(window));
}
//=== tests for clone method ===
function testClonePrimitive() {
assertEquals('cloning a primitive should return an equal primitive',
5, goog.cloneObject(5));
}
function testCloneObjectThatHasACloneMethod() {
var original = {
name: 'original',
clone: function() { return { name: 'clone' } }
};
var clone = goog.cloneObject(original);
assertEquals('original', original.name);
assertEquals('clone', clone.name);
}
function testCloneFlatObject() {
var original = {a:1, b:2, c:3};
var clone = goog.cloneObject(original);
assertNotEquals(original, clone);
assertEquals(1, clone.a);
assertEquals(2, clone.b);
assertEquals(3, clone.c);
}
function testCloneDeepObject() {
var original = {
a: 1,
b: {c: 2, d: 3},
e: {f: {g: 4, h: 5}}
};
var clone = goog.cloneObject(original);
assertNotEquals(original, clone);
assertNotEquals(original.b, clone.b);
assertNotEquals(original.e, clone.e);
assertEquals(1, clone.a);
assertEquals(2, clone.b.c);
assertEquals(3, clone.b.d);
assertEquals(4, clone.e.f.g);
assertEquals(5, clone.e.f.h);
}
function testCloneFunctions() {
var original = {
f: function() {
return 'hi';
}
};
var clone = goog.cloneObject(original);
assertNotEquals(original, clone);
assertEquals('hi', clone.f());
assertEquals(original.f, clone.f);
}
//=== tests for bind() and friends ===
// Function.prototype.bind and Function.prototype.partial are purposefullly
// not defined in open sourced Closure. These functions sniff for their
// presence.
var foo = 'global';
var obj = {foo: 'obj'};
function getFoo(arg1, arg2) {
return {foo: this.foo, arg1: arg1, arg2: arg2};
}
function testBindWithoutObj() {
if (Function.prototype.bind) {
assertEquals(foo, getFoo.bind()().foo);
}
}
function testBindWithObj() {
if (Function.prototype.bind) {
assertEquals(obj.foo, getFoo.bind(obj)().foo);
}
}
function testBindWithNullObj() {
if (Function.prototype.bind) {
assertEquals(foo, getFoo.bind()().foo);
}
}
function testBindStaticArgs() {
if (Function.prototype.bind) {
var fooprime = getFoo.bind(obj, 'hot', 'dog');
var res = fooprime();
assertEquals(obj.foo, res.foo);
assertEquals('hot', res.arg1);
assertEquals('dog', res.arg2);
}
}
function testBindDynArgs() {
if (Function.prototype.bind) {
var res = getFoo.bind(obj)('hot', 'dog');
assertEquals(obj.foo, res.foo);
assertEquals('hot', res.arg1);
assertEquals('dog', res.arg2);
}
}
function testBindCurriedArgs() {
if (Function.prototype.bind) {
var res = getFoo.bind(obj, 'hot')('dog');
assertEquals(obj.foo, res.foo);
assertEquals('hot', res.arg1);
assertEquals('dog', res.arg2);
}
}
function testBindDoubleBind() {
var getFooP = goog.bind(getFoo, obj, 'hot');
var getFooP2 = goog.bind(getFooP, null, 'dog');
var res = getFooP2();
assertEquals("res.arg1 should be 'hot'", 'hot', res.arg1);
assertEquals("res.arg2 should be 'dog'", 'dog', res.arg2);
}
function testBindWithCall() {
var obj = {};
var obj2 = {};
var f = function() {
assertEquals('this should be bound to obj', obj, this);
};
var b = goog.bind(f, obj);
b.call(null);
b.call(obj2);
}
function testBindJs() {
assertEquals(1, goog.bindJs_(add, {valueOf: function() { return 1; }})());
assertEquals(3, goog.bindJs_(add, null, 1, 2)());
}
function testBindNative() {
if (Function.prototype.bind &&
Function.prototype.bind.toString().indexOf('native code') != -1) {
assertEquals(
1, goog.bindNative_(add, {valueOf: function() { return 1; }})());
assertEquals(3, goog.bindNative_(add, null, 1, 2)());
assertThrows(function() {
goog.bindNative_(null, null);
});
}
}
function testBindDefault() {
assertEquals(
1, goog.bind(add, {valueOf: function() { return 1; }})());
assertEquals(3, goog.bind(add, null, 1, 2)());
}
function add(var_args) {
var sum = Number(this) || 0;
for (var i = 0; i < arguments.length; i++) {
sum += arguments[i];
}
return sum;
}
function testPartial() {
var f = function(x, y) {
return x + y;
};
var g = goog.partial(f, 1);
assertEquals(3, g(2));
var h = goog.partial(f, 1, 2);
assertEquals(3, h());
var i = goog.partial(f);
assertEquals(3, i(1, 2));
}
function testPartialUsesGlobal() {
var f = function(x, y) {
assertEquals(goog.global, this);
return x + y;
};
var g = goog.partial(f, 1);
var h = goog.partial(g, 2);
assertEquals(3, h());
}
function testPartialWithCall() {
var obj = {};
var f = function(x, y) {
assertEquals(obj, this);
return x + y;
};
var g = goog.partial(f, 1);
var h = goog.partial(g, 2);
assertEquals(3, h.call(obj));
}
function testPartialAndBind() {
// This ensures that this "survives" through a partial.
var p = goog.partial(getFoo, 'hot');
var b = goog.bind(p, obj, 'dog');
var res = b();
assertEquals(obj.foo, res.foo);
assertEquals('hot', res.arg1);
assertEquals('dog', res.arg2);
}
function testBindAndPartial() {
// This ensures that this "survives" through a partial.
var b = goog.bind(getFoo, obj, 'hot');
var p = goog.partial(b, 'dog');
var res = p();
assertEquals(obj.foo, res.foo);
assertEquals('hot', res.arg1);
assertEquals('dog', res.arg2);
}
function testGlobalEval() {
goog.globalEval('var foofoofoo = 125;')
assertEquals('Var should be globally assigned', 125, goog.global.foofoofoo);
var foofoofoo = 128;
assertEquals('Global should not have changed', 125, goog.global.foofoofoo);
// NOTE(user): foofoofoo would normally be available in the function scope,
// via the scope chain, but the JsUnit framework seems to do something weird
// which makes it not work.
}
function testGlobalEvalWithHtml() {
// Make sure we don't trip on HTML markup in the code
goog.global.evalTestResult = 'failed';
goog.global.evalTest = function(arg) {
goog.global.evalTestResult = arg;
};
goog.globalEval('evalTest("<test>")');
assertEquals('Should be able to evaluate strings with HTML in',
'<test>', goog.global.evalTestResult);
}
//=== tests for inherits ===
function testInherits() {
function Foo() {};
function Bar() {};
goog.inherits(Bar, Foo);
var bar = new Bar();
assert('object should be instance of constructor',
bar instanceof Bar);
assert('object should be instance of base constructor',
bar instanceof Foo) ;
}
function testInherits_constructor() {
function Foo() {};
function Bar() {};
goog.inherits(Bar, Foo);
var bar = new Bar();
assertEquals('constructor property should match constructor function',
Bar, bar.constructor);
assertEquals('Superclass constructor should match constructor function',
Foo, Bar.superClass_.constructor);
}
//=== tests for makeSingleton ===
function testMakeSingleton() {
function Foo() {};
goog.addSingletonGetter(Foo);
assertNotNull('Should add get instance function', Foo.getInstance);
var x = Foo.getInstance();
assertNotNull('Should successfully create an object', x);
var y = Foo.getInstance();
assertEquals('Should return the same object', x, y);
delete Foo.instance_;
var z = Foo.getInstance();
assertNotNull('Should work after clearing for testing', z);
assertNotEquals('Should return a different object after clearing for testing',
x, z);
}
//=== tests for now ===
function testNow() {
var toleranceMilliseconds = 10;
var now1 = new Date().getTime();
var now2 = goog.now();
assertTrue(Math.abs(now1 - now2) < toleranceMilliseconds);
}
//=== test non-html context ===
function testInHtmlDocument() {
var savedGoogGlobal = goog.global;
try {
goog.global = {};
assertFalse(goog.inHtmlDocument_());
goog.global.document = {};
assertFalse(goog.inHtmlDocument_());
goog.global.document.write = function() {};
assertTrue(goog.inHtmlDocument_());
} finally {
// Restore context to respect other tests.
goog.global = savedGoogGlobal;
}
}
function testLoadInNonHtmlNotThrows() {
var savedGoogGlobal = goog.global;
try {
goog.global = {};
goog.global.document = {};
assertFalse(goog.inHtmlDocument_());
// The goog code which is executed at load.
goog.findBasePath_();
goog.writeScriptTag_(goog.basePath + 'deps.js');
} finally {
// Restore context to respect other tests.
goog.global = savedGoogGlobal;
}
}
function testLoadBaseWithQueryParamOk() {
var savedGoogGlobal = goog.global;
try {
goog.global = {};
goog.global.document = {
write: goog.nullFunction,
getElementsByTagName: goog.functions.constant(
[{src: '/path/to/base.js?zx=5'}])
};
assertTrue(goog.inHtmlDocument_());
goog.findBasePath_();
assertEquals('/path/to/', goog.basePath);
} finally {
// Restore context to respect other tests.
goog.global = savedGoogGlobal;
}
}
//=== tests for getmsg ===
function testGetMsgWithDollarSigns() {
var msg = goog.getMsg('{$amount} per minute',
{amount: '$0.15'});
assertEquals('$0.15 per minute', msg);
msg = goog.getMsg('{$amount} per minute',
{amount: '$0.$1$5'});
assertEquals('$0.$1$5 per minute', msg);
msg = goog.getMsg('This is a {$rate} sale!',
{rate: '$$$$$$$$$$10'});
assertEquals('This is a $$$$$$$$$$10 sale!', msg);
msg = goog.getMsg('{$name}! Hamburgers: {$hCost}, Hotdogs: {$dCost}.',
{name: 'Burger Bob',
hCost: '$0.50',
dCost: '$100'});
assertEquals('Burger Bob! Hamburgers: $0.50, Hotdogs: $100.',
msg);
}
//=== miscellaneous tests ===
function testIdentity() {
assertEquals(3, goog.identityFunction(3));
assertEquals(3, goog.identityFunction(3, 4));
assertEquals(null, goog.identityFunction(null));
assertTrue(goog.identityFunction() === undefined);
}
function testGetObjectByName() {
var m = {
'undefined': undefined,
'null': null,
emptyString: '',
'false': false,
'true': true,
zero: 0,
one: 1,
two: {
three: 3,
four: {
five: 5
}
},
'six|seven': '6|7',
'eight.nine': 8.9
};
goog.global.m = m;
assertNull(goog.getObjectByName('m.undefined'));
assertNull(goog.getObjectByName('m.null'));
assertEquals(goog.getObjectByName('m.emptyString'), '');
assertEquals(goog.getObjectByName('m.false'), false);
assertEquals(goog.getObjectByName('m.true'), true);
assertEquals(goog.getObjectByName('m.zero'), 0);
assertEquals(goog.getObjectByName('m.one'), 1);
assertEquals(goog.getObjectByName('m.two.three'), 3);
assertEquals(goog.getObjectByName('m.two.four.five'), 5);
assertEquals(goog.getObjectByName('m.six|seven'), '6|7');
assertNull(goog.getObjectByName('m.eight.nine'));
assertNull(goog.getObjectByName('m.notThere'));
assertEquals(goog.getObjectByName('one', m), 1);
assertEquals(goog.getObjectByName('two.three', m), 3);
assertEquals(goog.getObjectByName('two.four.five', m), 5);
assertEquals(goog.getObjectByName('six|seven', m), '6|7');
assertNull(goog.getObjectByName('eight.nine', m));
assertNull(goog.getObjectByName('notThere', m));
}
function testGetCssName() {
assertEquals('classname', goog.getCssName('classname'));
assertEquals('random-classname', goog.getCssName('random-classname'));
assertEquals('control-modifier', goog.getCssName('control', 'modifier'));
goog.setCssNameMapping({
'goog': 'a',
'disabled': 'b'
}, 'BY_PART');
var g = goog.getCssName('goog');
assertEquals('a', g);
assertEquals('a-b', goog.getCssName(g, 'disabled'));
assertEquals('a-b', goog.getCssName('goog-disabled'));
assertEquals('a-button', goog.getCssName('goog-button'));
goog.setCssNameMapping({
'goog-button': 'a',
'active': 'b'
}, 'BY_WHOLE');
g = goog.getCssName('goog-button');
assertEquals('a', g);
assertEquals('a-b', goog.getCssName(g, 'active'));
assertEquals('goog-disabled', goog.getCssName('goog-disabled'));
}
function testAddDependency() {
stubs.set(goog, 'writeScriptTag_', goog.nullFunction);
goog.addDependency(
'foo.js',
['testDep.foo'],
['testDep.bar']);
goog.provide('testDep.bar');
// To differentiate this call from the real one.
var require = goog.require;
// this used to throw an exception
require('testDep.foo');
assertTrue(goog.isObject(testDep.bar));
// Unset provided namespace so the test can be re-run.
testDep = undefined;
}
function testBaseMethod() {
function A() {}
A.prototype.foo = function(x, y) {
return x + y;
};
function B() {}
goog.inherits(B, A);
B.prototype.foo = function(x, y) {
return 2 + goog.base(this, 'foo', x, y);
};
function C() {}
goog.inherits(C, B);
C.prototype.foo = function(x, y) {
return 4 + goog.base(this, 'foo', x, y);
};
var d = new C();
d.foo = function(x, y) {
return 8 + goog.base(this, 'foo', x, y);
};
assertEquals(15, d.foo(1, 0));
assertEquals(16, d.foo(1, 1));
assertEquals(16, d.foo(2, 0));
assertEquals(7, (new C()).foo(1, 0));
assertEquals(3, (new B()).foo(1, 0));
assertThrows(function() {
goog.base(d, 'foo', 1, 0);
});
delete B.prototype.foo;
assertEquals(13, d.foo(1, 0));
delete C.prototype.foo;
assertEquals(9, d.foo(1, 0));
}
function testBaseMethodAndBaseCtor() {
// This will fail on FF4.0 if the following bug is not fixed:
// https://bugzilla.mozilla.org/show_bug.cgi?id=586482
function A(x, y) {
this.foo(x, y);
}
A.prototype.foo = function(x, y) {
this.bar = x + y;
};
function B(x, y) {
goog.base(this, x, y);
}
goog.inherits(B, A);
B.prototype.foo = function(x, y) {
goog.base(this, 'foo', x, y);
this.bar = this.bar * 2;
};
assertEquals(14, new B(3, 4).bar);
}
function testBaseClass() {
function A(x, y) {
this.foo = x + y;
}
function B(x, y) {
goog.base(this, x, y);
this.foo += 2;
}
goog.inherits(B, A);
function C(x, y) {
goog.base(this, x, y);
this.foo += 4;
}
goog.inherits(C, B);
function D(x, y) {
goog.base(this, x, y);
this.foo += 8;
}
goog.inherits(D, C);
assertEquals(15, (new D(1, 0)).foo);
assertEquals(16, (new D(1, 1)).foo);
assertEquals(16, (new D(2, 0)).foo);
assertEquals(7, (new C(1, 0)).foo);
assertEquals(3, (new B(1, 0)).foo);
}
function testGoogRequireCheck() {
stubs.set(goog, 'ENABLE_DEBUG_LOADER', false);
stubs.set(goog, 'useStrictRequires', true);
stubs.set(goog, 'implicitNamespaces_', {});
// Aliased so that build tools do not mistake this for an actual call.
var require = goog.require;
assertThrows('Requiring non-required namespace should fail',
function() {
require('far.out');
});
assertUndefined(goog.global.far );
assertEvaluatesToFalse(goog.getObjectByName('far.out'));
assertObjectEquals({}, goog.implicitNamespaces_);
assertFalse(goog.isProvided_('far.out'));
goog.provide('far.out');
assertNotUndefined(far.out);
assertEvaluatesToTrue(goog.getObjectByName('far.out'));
assertObjectEquals({'far': true}, goog.implicitNamespaces_);
assertTrue(goog.isProvided_('far.out'));
stubs.reset();
delete far;
}
</script>
</body>
</html>
|
