src/third_party/closure_library/closure/goog/useragent/useragent_test.js - incubator-pagespeed-debian - Git at Google

 // Copyright 2006 The Closure Library Authors. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //      http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS-IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 goog.provide('goog.userAgentTest');
 goog.setTestOnly('goog.userAgentTest');

 goog.require('goog.array');
 goog.require('goog.labs.userAgent.platform');
 goog.require('goog.labs.userAgent.testAgents');
 goog.require('goog.labs.userAgent.util');
 goog.require('goog.testing.PropertyReplacer');
 goog.require('goog.testing.jsunit');
 goog.require('goog.userAgent');
 goog.require('goog.userAgentTestUtil');


 var documentMode;
 goog.userAgent.getDocumentMode_ = function() {
   return documentMode;
 };


 var propertyReplacer = new goog.testing.PropertyReplacer();

 var UserAgents = {
   GECKO: 'GECKO',
   IE: 'IE',
   OPERA: 'OPERA',
   WEBKIT: 'WEBKIT'
 };


 function tearDown() {
   goog.labs.userAgent.util.setUserAgent(null);
   documentMode = undefined;
   propertyReplacer.reset();
 }


 /**
  * Test browser detection for a user agent configuration.
  * @param {Array<number>} expectedAgents Array of expected userAgents.
  * @param {string} uaString User agent string.
  * @param {string=} opt_product Navigator product string.
  * @param {string=} opt_vendor Navigator vendor string.
  */
 function assertUserAgent(expectedAgents, uaString, opt_product, opt_vendor) {
   var mockGlobal = {
     'navigator': {
       'userAgent': uaString,
       'product': opt_product,
       'vendor': opt_vendor
     }
   };
   propertyReplacer.set(goog, 'global', mockGlobal);

   goog.labs.userAgent.util.setUserAgent(null);

   goog.userAgentTestUtil.reinitializeUserAgent();
   for (var ua in UserAgents) {
     var isExpected = goog.array.contains(expectedAgents, UserAgents[ua]);
     assertEquals(isExpected,
         goog.userAgentTestUtil.getUserAgentDetected(UserAgents[ua]));
   }
 }

 function testOperaInit() {
   var mockOpera = {
     'version': function() {
       return '9.20';
     }
   };

   var mockGlobal = {
     'navigator': {
       'userAgent': 'Opera/9.20 (Windows NT 5.1; U; de),gzip(gfe)'
     },
     'opera': mockOpera
   };
   propertyReplacer.set(goog, 'global', mockGlobal);

   propertyReplacer.set(goog.userAgent, 'getUserAgentString', function() {
     return 'Opera/9.20 (Windows NT 5.1; U; de),gzip(gfe)';
   });

   goog.labs.userAgent.util.setUserAgent(null);
   goog.userAgentTestUtil.reinitializeUserAgent();
   assertTrue(goog.userAgent.OPERA);
   assertEquals('9.20', goog.userAgent.VERSION);

   // What if 'opera' global has been overwritten?
   // We must degrade gracefully (rather than throwing JS errors).
   propertyReplacer.set(goog.global, 'opera', 'bobloblaw');

   // NOTE(nnaze): window.opera is now ignored with the migration to
   // goog.labs.userAgent.*. Version is expected to should stay the same.
   goog.labs.userAgent.util.setUserAgent(null);
   goog.userAgentTestUtil.reinitializeUserAgent();
   assertUndefined(goog.userAgent.VERSION);
 }

 function testCompare() {
   assertTrue('exact equality broken',
              goog.userAgent.compare('1.0', '1.0') == 0);
   assertTrue('mutlidot equality broken',
              goog.userAgent.compare('1.0.0.0', '1.0') == 0);
   assertTrue('less than broken',
              goog.userAgent.compare('1.0.2.1', '1.1') < 0);
   assertTrue('greater than broken',
              goog.userAgent.compare('1.1', '1.0.2.1') > 0);

   assertTrue('b broken', goog.userAgent.compare('1.1', '1.1b') > 0);
   assertTrue('b broken', goog.userAgent.compare('1.1b', '1.1') < 0);
   assertTrue('b broken', goog.userAgent.compare('1.1b', '1.1b') == 0);

   assertTrue('b>a broken', goog.userAgent.compare('1.1b', '1.1a') > 0);
   assertTrue('a<b broken', goog.userAgent.compare('1.1a', '1.1b') < 0);
 }

 function testGecko() {

   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; nl-NL; rv:1.7.5)' +
       'Gecko/20041202 Gecko/1.0', '1.7.5');
   assertGecko('Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.6)' +
       'Gecko/20050512 Gecko', '1.7.6');
   assertGecko('Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.8)' +
       'Gecko/20050609 Gecko/1.0.4', '1.7.8');
   assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.9)' +
       'Gecko/20050711 Gecko/1.0.5', '1.7.9');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.10)' +
       'Gecko/20050716 Gecko/1.0.6', '1.7.10');
   assertGecko('Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-GB;' +
       'rv:1.7.10) Gecko/20050717 Gecko/1.0.6', '1.7.10');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12)' +
       'Gecko/20050915 Gecko/1.0.7', '1.7.12');
   assertGecko('Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US;' +
       'rv:1.7.12) Gecko/20050915 Gecko/1.0.7', '1.7.12');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b4)' +
       'Gecko/20050908 Gecko/1.4', '1.8b4');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; nl; rv:1.8)' +
       'Gecko/20051107 Gecko/1.5', '1.8');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.0.1)' +
       'Gecko/20060111 Gecko/1.5.0.1', '1.8.0.1');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.0.1)' +
       'Gecko/20060111 Gecko/1.5.0.1', '1.8.0.1');
   assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.2)' +
       'Gecko/20060308 Gecko/1.5.0.2', '1.8.0.2');
   assertGecko('Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US;' +
       'rv:1.8.0.3) Gecko/20060426 Gecko/1.5.0.3', '1.8.0.3');
   assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.3)' +
       'Gecko/20060426 Gecko/1.5.0.3', '1.8.0.3');
   assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.4)' +
       'Gecko/20060508 Gecko/1.5.0.4', '1.8.0.4');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.4)' +
       'Gecko/20060508 Gecko/1.5.0.4', '1.8.0.4');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.0.4)' +
       'Gecko/20060508 Gecko/1.5.0.4', '1.8.0.4');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:1.8.0.6)' +
       'Gecko/20060728 Gecko/1.5.0.6', '1.8.0.6');
   assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.6)' +
       'Gecko/20060808 Fedora/1.5.0.6-2.fc5 Gecko/1.5.0.6 pango-text',
       '1.8.0.6');
   assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8)' +
       'Gecko/20060321 Gecko/2.0a1', '1.8');
   assertGecko('Mozilla/5.0 (X11; Linux i686; rv:6.0) Gecko/6.0 Firefox/6.0',
       '6.0');
 }

 function testIe() {
   assertIe('Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)', '5.01');
   assertIe('Mozilla/4.0 (compatible; MSIE 5.17; Mac_PowerPC)', '5.17');
   assertIe('Mozilla/4.0 (compatible; MSIE 5.23; Mac_PowerPC)', '5.23');
   assertIe('Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)', '5.5');
   assertIe('Mozilla/4.0 (compatible; MSIE 6.0; MSN 2.5; Windows 98)', '6.0');
   assertIe('Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)', '6.0');
   assertIe('Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; ' +
       '.NET CLR 1.1.4322)', '6.0');
   assertIe('Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; ' +
       '.NET CLR 2.0.50727)', '6.0');
   assertIe('Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1)', '7.0b');
   assertIe('Mozilla/4.0 (compatible; MSIE 7.0b; Win32)', '7.0b');
   assertIe('Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)', '7.0b');
   assertIe('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1;' +
       'Arcor 5.005; .NET CLR 1.0.3705; .NET CLR 1.1.4322)', '7.0');
   assertIe(
       'Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko', '11.0');
 }

 function testIeDocumentModeOverride() {
   documentMode = 9;
   assertIe('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0',
            '9');
   assertIe('Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0',
            '9');

   documentMode = 8;
   assertIe('Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0',
            '8.0');
 }

 function testDocumentModeInStandardsMode() {
   goog.userAgentTestUtil.reinitializeUserAgent();
   var expectedMode = goog.userAgent.IE ? parseInt(goog.userAgent.VERSION) :
                                          undefined;
   assertEquals(expectedMode, goog.userAgent.DOCUMENT_MODE);
 }

 function testOpera() {
   var assertOpera = function(uaString) {
     assertUserAgent([UserAgents.OPERA], uaString);
   };
   assertOpera('Opera/7.23 (Windows 98; U) [en]');
   assertOpera('Opera/8.00 (Windows NT 5.1; U; en)');
   assertOpera('Opera/8.0 (X11; Linux i686; U; cs)');
   assertOpera('Opera/8.02 (Windows NT 5.1; U; en)');
   assertOpera('Opera/8.50 (Windows NT 5.1; U; en)');
   assertOpera('Opera/8.5 (X11; Linux i686; U; cs)');
   assertOpera('Opera/8.51 (Windows NT 5.1; U; en)');
   assertOpera('Opera/9.0 (Windows NT 5.0; U; en)');
   assertOpera('Opera/9.00 (Macintosh; PPC Mac OS X; U; en)');
   assertOpera('Opera/9.00 (Windows NT 5.1; U; en)');
   assertOpera('Opera/9.00 (Windows NT 5.2; U; en)');
   assertOpera('Opera/9.00 (Windows NT 6.0; U; en)');
 }

 function testWebkit() {
   var testAgents = goog.labs.userAgent.testAgents;
   assertWebkit(testAgents.ANDROID_BROWSER_403);
   assertWebkit(testAgents.ANDROID_BROWSER_403_ALT);
 }

 function testUnknownBrowser() {
   assertUserAgent([], 'MyWebBrowser');
   assertUserAgent([], undefined);
 }

 function testNoNavigator() {
   // global object has no "navigator" property.
   var mockGlobal = {};
   propertyReplacer.set(goog, 'global', mockGlobal);
   goog.labs.userAgent.util.setUserAgent(null);
   goog.userAgentTestUtil.reinitializeUserAgent();

   assertEquals('Platform should be the empty string', '',
       goog.userAgent.PLATFORM);
   assertEquals('Version should be the empty string', '',
       goog.userAgent.VERSION);
 }

 function testLegacyChromeOsAndLinux() {
   // As a legacy behavior, goog.userAgent.LINUX considers
   // ChromeOS to be Linux.
   // goog.labs.userAgent.platform.isLinux() does not.
   goog.labs.userAgent.util.setUserAgent(
       goog.labs.userAgent.testAgents.CHROME_OS);
   goog.userAgentTestUtil.reinitializeUserAgent();
   assertTrue(goog.userAgent.LINUX);
   assertFalse(goog.labs.userAgent.platform.isLinux());
 }

 function assertIe(uaString, expectedVersion) {
   assertUserAgent([UserAgents.IE], uaString);
   assertEquals('User agent ' + uaString + ' should have had version ' +
       expectedVersion + ' but had ' + goog.userAgent.VERSION,
       expectedVersion,
       goog.userAgent.VERSION);
 }

 function assertGecko(uaString, expectedVersion) {
   assertUserAgent([UserAgents.GECKO], uaString, 'Gecko');
   assertEquals('User agent ' + uaString + ' should have had version ' +
       expectedVersion + ' but had ' + goog.userAgent.VERSION,
       expectedVersion,
       goog.userAgent.VERSION);
 }

 function assertWebkit(uaString) {
   assertUserAgent([UserAgents.WEBKIT], uaString, 'WebKit');
 }
	// Copyright 2006 The Closure Library Authors. All Rights Reserved.
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS-IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	goog.provide('goog.userAgentTest');
	goog.setTestOnly('goog.userAgentTest');

	goog.require('goog.array');
	goog.require('goog.labs.userAgent.platform');
	goog.require('goog.labs.userAgent.testAgents');
	goog.require('goog.labs.userAgent.util');
	goog.require('goog.testing.PropertyReplacer');
	goog.require('goog.testing.jsunit');
	goog.require('goog.userAgent');
	goog.require('goog.userAgentTestUtil');


	var documentMode;
	goog.userAgent.getDocumentMode_ = function() {
	return documentMode;
	};


	var propertyReplacer = new goog.testing.PropertyReplacer();

	var UserAgents = {
	GECKO: 'GECKO',
	IE: 'IE',
	OPERA: 'OPERA',
	WEBKIT: 'WEBKIT'
	};


	function tearDown() {
	goog.labs.userAgent.util.setUserAgent(null);
	documentMode = undefined;
	propertyReplacer.reset();
	}


	/**
	* Test browser detection for a user agent configuration.
	* @param {Array<number>} expectedAgents Array of expected userAgents.
	* @param {string} uaString User agent string.
	* @param {string=} opt_product Navigator product string.
	* @param {string=} opt_vendor Navigator vendor string.
	*/
	function assertUserAgent(expectedAgents, uaString, opt_product, opt_vendor) {
	var mockGlobal = {
	'navigator': {
	'userAgent': uaString,
	'product': opt_product,
	'vendor': opt_vendor
	}
	};
	propertyReplacer.set(goog, 'global', mockGlobal);

	goog.labs.userAgent.util.setUserAgent(null);

	goog.userAgentTestUtil.reinitializeUserAgent();
	for (var ua in UserAgents) {
	var isExpected = goog.array.contains(expectedAgents, UserAgents[ua]);
	assertEquals(isExpected,
	goog.userAgentTestUtil.getUserAgentDetected(UserAgents[ua]));
	}
	}

	function testOperaInit() {
	var mockOpera = {
	'version': function() {
	return '9.20';
	}
	};

	var mockGlobal = {
	'navigator': {
	'userAgent': 'Opera/9.20 (Windows NT 5.1; U; de),gzip(gfe)'
	},
	'opera': mockOpera
	};
	propertyReplacer.set(goog, 'global', mockGlobal);

	propertyReplacer.set(goog.userAgent, 'getUserAgentString', function() {
	return 'Opera/9.20 (Windows NT 5.1; U; de),gzip(gfe)';
	});

	goog.labs.userAgent.util.setUserAgent(null);
	goog.userAgentTestUtil.reinitializeUserAgent();
	assertTrue(goog.userAgent.OPERA);
	assertEquals('9.20', goog.userAgent.VERSION);

	// What if 'opera' global has been overwritten?
	// We must degrade gracefully (rather than throwing JS errors).
	propertyReplacer.set(goog.global, 'opera', 'bobloblaw');

	// NOTE(nnaze): window.opera is now ignored with the migration to
	// goog.labs.userAgent.*. Version is expected to should stay the same.
	goog.labs.userAgent.util.setUserAgent(null);
	goog.userAgentTestUtil.reinitializeUserAgent();
	assertUndefined(goog.userAgent.VERSION);
	}

	function testCompare() {
	assertTrue('exact equality broken',
	goog.userAgent.compare('1.0', '1.0') == 0);
	assertTrue('mutlidot equality broken',
	goog.userAgent.compare('1.0.0.0', '1.0') == 0);
	assertTrue('less than broken',
	goog.userAgent.compare('1.0.2.1', '1.1') < 0);
	assertTrue('greater than broken',
	goog.userAgent.compare('1.1', '1.0.2.1') > 0);

	assertTrue('b broken', goog.userAgent.compare('1.1', '1.1b') > 0);
	assertTrue('b broken', goog.userAgent.compare('1.1b', '1.1') < 0);
	assertTrue('b broken', goog.userAgent.compare('1.1b', '1.1b') == 0);

	assertTrue('b>a broken', goog.userAgent.compare('1.1b', '1.1a') > 0);
	assertTrue('a<b broken', goog.userAgent.compare('1.1a', '1.1b') < 0);
	}

	function testGecko() {

	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; nl-NL; rv:1.7.5)' +
	'Gecko/20041202 Gecko/1.0', '1.7.5');
	assertGecko('Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.6)' +
	'Gecko/20050512 Gecko', '1.7.6');
	assertGecko('Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.8)' +
	'Gecko/20050609 Gecko/1.0.4', '1.7.8');
	assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.9)' +
	'Gecko/20050711 Gecko/1.0.5', '1.7.9');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.10)' +
	'Gecko/20050716 Gecko/1.0.6', '1.7.10');
	assertGecko('Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-GB;' +
	'rv:1.7.10) Gecko/20050717 Gecko/1.0.6', '1.7.10');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12)' +
	'Gecko/20050915 Gecko/1.0.7', '1.7.12');
	assertGecko('Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US;' +
	'rv:1.7.12) Gecko/20050915 Gecko/1.0.7', '1.7.12');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b4)' +
	'Gecko/20050908 Gecko/1.4', '1.8b4');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; nl; rv:1.8)' +
	'Gecko/20051107 Gecko/1.5', '1.8');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.0.1)' +
	'Gecko/20060111 Gecko/1.5.0.1', '1.8.0.1');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.0.1)' +
	'Gecko/20060111 Gecko/1.5.0.1', '1.8.0.1');
	assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.2)' +
	'Gecko/20060308 Gecko/1.5.0.2', '1.8.0.2');
	assertGecko('Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US;' +
	'rv:1.8.0.3) Gecko/20060426 Gecko/1.5.0.3', '1.8.0.3');
	assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.3)' +
	'Gecko/20060426 Gecko/1.5.0.3', '1.8.0.3');
	assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.4)' +
	'Gecko/20060508 Gecko/1.5.0.4', '1.8.0.4');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.4)' +
	'Gecko/20060508 Gecko/1.5.0.4', '1.8.0.4');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.0.4)' +
	'Gecko/20060508 Gecko/1.5.0.4', '1.8.0.4');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:1.8.0.6)' +
	'Gecko/20060728 Gecko/1.5.0.6', '1.8.0.6');
	assertGecko('Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.6)' +
	'Gecko/20060808 Fedora/1.5.0.6-2.fc5 Gecko/1.5.0.6 pango-text',
	'1.8.0.6');
	assertGecko('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8)' +
	'Gecko/20060321 Gecko/2.0a1', '1.8');
	assertGecko('Mozilla/5.0 (X11; Linux i686; rv:6.0) Gecko/6.0 Firefox/6.0',
	'6.0');
	}

	function testIe() {
	assertIe('Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)', '5.01');
	assertIe('Mozilla/4.0 (compatible; MSIE 5.17; Mac_PowerPC)', '5.17');
	assertIe('Mozilla/4.0 (compatible; MSIE 5.23; Mac_PowerPC)', '5.23');
	assertIe('Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)', '5.5');
	assertIe('Mozilla/4.0 (compatible; MSIE 6.0; MSN 2.5; Windows 98)', '6.0');
	assertIe('Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)', '6.0');
	assertIe('Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; ' +
	'.NET CLR 1.1.4322)', '6.0');
	assertIe('Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; ' +
	'.NET CLR 2.0.50727)', '6.0');
	assertIe('Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1)', '7.0b');
	assertIe('Mozilla/4.0 (compatible; MSIE 7.0b; Win32)', '7.0b');
	assertIe('Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)', '7.0b');
	assertIe('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1;' +
	'Arcor 5.005; .NET CLR 1.0.3705; .NET CLR 1.1.4322)', '7.0');
	assertIe(
	'Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko', '11.0');
	}

	function testIeDocumentModeOverride() {
	documentMode = 9;
	assertIe('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0',
	'9');
	assertIe('Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0',
	'9');

	documentMode = 8;
	assertIe('Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0',
	'8.0');
	}

	function testDocumentModeInStandardsMode() {
	goog.userAgentTestUtil.reinitializeUserAgent();
	var expectedMode = goog.userAgent.IE ? parseInt(goog.userAgent.VERSION) :
	undefined;
	assertEquals(expectedMode, goog.userAgent.DOCUMENT_MODE);
	}

	function testOpera() {
	var assertOpera = function(uaString) {
	assertUserAgent([UserAgents.OPERA], uaString);
	};
	assertOpera('Opera/7.23 (Windows 98; U) [en]');
	assertOpera('Opera/8.00 (Windows NT 5.1; U; en)');
	assertOpera('Opera/8.0 (X11; Linux i686; U; cs)');
	assertOpera('Opera/8.02 (Windows NT 5.1; U; en)');
	assertOpera('Opera/8.50 (Windows NT 5.1; U; en)');
	assertOpera('Opera/8.5 (X11; Linux i686; U; cs)');
	assertOpera('Opera/8.51 (Windows NT 5.1; U; en)');
	assertOpera('Opera/9.0 (Windows NT 5.0; U; en)');
	assertOpera('Opera/9.00 (Macintosh; PPC Mac OS X; U; en)');
	assertOpera('Opera/9.00 (Windows NT 5.1; U; en)');
	assertOpera('Opera/9.00 (Windows NT 5.2; U; en)');
	assertOpera('Opera/9.00 (Windows NT 6.0; U; en)');
	}

	function testWebkit() {
	var testAgents = goog.labs.userAgent.testAgents;
	assertWebkit(testAgents.ANDROID_BROWSER_403);
	assertWebkit(testAgents.ANDROID_BROWSER_403_ALT);
	}

	function testUnknownBrowser() {
	assertUserAgent([], 'MyWebBrowser');
	assertUserAgent([], undefined);
	}

	function testNoNavigator() {
	// global object has no "navigator" property.
	var mockGlobal = {};
	propertyReplacer.set(goog, 'global', mockGlobal);
	goog.labs.userAgent.util.setUserAgent(null);
	goog.userAgentTestUtil.reinitializeUserAgent();

	assertEquals('Platform should be the empty string', '',
	goog.userAgent.PLATFORM);
	assertEquals('Version should be the empty string', '',
	goog.userAgent.VERSION);
	}

	function testLegacyChromeOsAndLinux() {
	// As a legacy behavior, goog.userAgent.LINUX considers
	// ChromeOS to be Linux.
	// goog.labs.userAgent.platform.isLinux() does not.
	goog.labs.userAgent.util.setUserAgent(
	goog.labs.userAgent.testAgents.CHROME_OS);
	goog.userAgentTestUtil.reinitializeUserAgent();
	assertTrue(goog.userAgent.LINUX);
	assertFalse(goog.labs.userAgent.platform.isLinux());
	}

	function assertIe(uaString, expectedVersion) {
	assertUserAgent([UserAgents.IE], uaString);
	assertEquals('User agent ' + uaString + ' should have had version ' +
	expectedVersion + ' but had ' + goog.userAgent.VERSION,
	expectedVersion,
	goog.userAgent.VERSION);
	}

	function assertGecko(uaString, expectedVersion) {
	assertUserAgent([UserAgents.GECKO], uaString, 'Gecko');
	assertEquals('User agent ' + uaString + ' should have had version ' +
	expectedVersion + ' but had ' + goog.userAgent.VERSION,
	expectedVersion,
	goog.userAgent.VERSION);
	}

	function assertWebkit(uaString) {
	assertUserAgent([UserAgents.WEBKIT], uaString, 'WebKit');
	}