1 /* 2 * Copyright (c) 2014, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "core/page/NetworkStateNotifier.h" 33 34 #include "core/dom/Document.h" 35 #include "public/platform/Platform.h" 36 #include "public/platform/WebConnectionType.h" 37 #include "public/platform/WebThread.h" 38 #include "wtf/Functional.h" 39 #include <gtest/gtest.h> 40 41 namespace WebCore { 42 43 class StateObserver : public NetworkStateNotifier::NetworkStateObserver { 44 public: 45 StateObserver() 46 : m_observedType(blink::ConnectionTypeNone) 47 , m_callbackCount(0) 48 { 49 } 50 51 virtual void connectionTypeChange(blink::WebConnectionType type) 52 { 53 m_observedType = type; 54 m_callbackCount += 1; 55 56 if (!m_closure.isNull()) 57 m_closure(); 58 } 59 60 blink::WebConnectionType observedType() const 61 { 62 return m_observedType; 63 } 64 65 int callbackCount() const 66 { 67 return m_callbackCount; 68 } 69 70 void setNotificationCallback(const Closure& closure) 71 { 72 m_closure = closure; 73 } 74 75 private: 76 Closure m_closure; 77 blink::WebConnectionType m_observedType; 78 int m_callbackCount; 79 }; 80 81 class ExitTask 82 : public blink::WebThread::Task { 83 public: 84 ExitTask(blink::WebThread* thread) 85 : m_thread(thread) 86 { 87 } 88 virtual void run() OVERRIDE 89 { 90 m_thread->exitRunLoop(); 91 } 92 93 private: 94 blink::WebThread* m_thread; 95 }; 96 97 class NetworkStateNotifierTest : public testing::Test { 98 public: 99 NetworkStateNotifierTest() 100 : m_document(Document::create()) 101 , m_document2(Document::create()) 102 { 103 } 104 105 ExecutionContext* executionContext() 106 { 107 return m_document.get(); 108 } 109 110 ExecutionContext* executionContext2() 111 { 112 return m_document2.get(); 113 } 114 115 protected: 116 void setType(blink::WebConnectionType type) 117 { 118 m_notifier.setWebConnectionType(type); 119 120 blink::WebThread* thread = blink::Platform::current()->currentThread(); 121 thread->postTask(new ExitTask(thread)); 122 thread->enterRunLoop(); 123 } 124 125 void addObserverOnNotification(StateObserver* observer, StateObserver* observerToAdd) 126 { 127 observer->setNotificationCallback(bind(&NetworkStateNotifier::addObserver, &m_notifier, observerToAdd, executionContext())); 128 } 129 130 void removeObserverOnNotification(StateObserver* observer, StateObserver* observerToRemove) 131 { 132 observer->setNotificationCallback(bind(&NetworkStateNotifier::removeObserver, &m_notifier, observerToRemove, executionContext())); 133 } 134 135 RefPtrWillBePersistent<Document> m_document; 136 RefPtrWillBePersistent<Document> m_document2; 137 NetworkStateNotifier m_notifier; 138 }; 139 140 TEST_F(NetworkStateNotifierTest, AddObserver) 141 { 142 StateObserver observer; 143 m_notifier.addObserver(&observer, executionContext()); 144 EXPECT_EQ(observer.observedType(), blink::ConnectionTypeNone); 145 146 setType(blink::ConnectionTypeBluetooth); 147 EXPECT_EQ(observer.observedType(), blink::ConnectionTypeBluetooth); 148 EXPECT_EQ(observer.callbackCount(), 1); 149 } 150 151 TEST_F(NetworkStateNotifierTest, RemoveObserver) 152 { 153 StateObserver observer1, observer2; 154 m_notifier.addObserver(&observer1, executionContext()); 155 m_notifier.removeObserver(&observer1, executionContext()); 156 m_notifier.addObserver(&observer2, executionContext()); 157 158 setType(blink::ConnectionTypeBluetooth); 159 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeNone); 160 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeBluetooth); 161 } 162 163 TEST_F(NetworkStateNotifierTest, RemoveSoleObserver) 164 { 165 StateObserver observer1, observer2; 166 m_notifier.addObserver(&observer1, executionContext()); 167 m_notifier.removeObserver(&observer1, executionContext()); 168 169 setType(blink::ConnectionTypeBluetooth); 170 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeNone); 171 } 172 173 TEST_F(NetworkStateNotifierTest, AddObserverWhileNotifying) 174 { 175 StateObserver observer1, observer2; 176 m_notifier.addObserver(&observer1, executionContext()); 177 addObserverOnNotification(&observer1, &observer2); 178 179 setType(blink::ConnectionTypeBluetooth); 180 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 181 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeBluetooth); 182 } 183 184 TEST_F(NetworkStateNotifierTest, RemoveSoleObserverWhileNotifying) 185 { 186 StateObserver observer1; 187 m_notifier.addObserver(&observer1, executionContext()); 188 removeObserverOnNotification(&observer1, &observer1); 189 190 setType(blink::ConnectionTypeBluetooth); 191 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 192 193 setType(blink::ConnectionTypeEthernet); 194 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 195 } 196 197 TEST_F(NetworkStateNotifierTest, RemoveCurrentObserverWhileNotifying) 198 { 199 StateObserver observer1, observer2; 200 m_notifier.addObserver(&observer1, executionContext()); 201 m_notifier.addObserver(&observer2, executionContext()); 202 removeObserverOnNotification(&observer1, &observer1); 203 204 setType(blink::ConnectionTypeBluetooth); 205 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 206 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeBluetooth); 207 208 setType(blink::ConnectionTypeEthernet); 209 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 210 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeEthernet); 211 } 212 213 TEST_F(NetworkStateNotifierTest, RemovePastObserverWhileNotifying) 214 { 215 StateObserver observer1, observer2; 216 m_notifier.addObserver(&observer1, executionContext()); 217 m_notifier.addObserver(&observer2, executionContext()); 218 removeObserverOnNotification(&observer2, &observer1); 219 220 setType(blink::ConnectionTypeBluetooth); 221 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 222 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeBluetooth); 223 224 setType(blink::ConnectionTypeEthernet); 225 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 226 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeEthernet); 227 } 228 229 TEST_F(NetworkStateNotifierTest, RemoveFutureObserverWhileNotifying) 230 { 231 StateObserver observer1, observer2, observer3; 232 m_notifier.addObserver(&observer1, executionContext()); 233 m_notifier.addObserver(&observer2, executionContext()); 234 m_notifier.addObserver(&observer3, executionContext()); 235 removeObserverOnNotification(&observer1, &observer2); 236 237 setType(blink::ConnectionTypeBluetooth); 238 239 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 240 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeNone); 241 EXPECT_EQ(observer3.observedType(), blink::ConnectionTypeBluetooth); 242 } 243 244 TEST_F(NetworkStateNotifierTest, MultipleContextsAddObserver) 245 { 246 StateObserver observer1, observer2; 247 m_notifier.addObserver(&observer1, executionContext()); 248 m_notifier.addObserver(&observer2, executionContext2()); 249 250 setType(blink::ConnectionTypeBluetooth); 251 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 252 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeBluetooth); 253 } 254 255 TEST_F(NetworkStateNotifierTest, RemoveContext) 256 { 257 StateObserver observer1, observer2; 258 m_notifier.addObserver(&observer1, executionContext()); 259 m_notifier.addObserver(&observer2, executionContext2()); 260 m_notifier.removeObserver(&observer2, executionContext2()); 261 262 setType(blink::ConnectionTypeBluetooth); 263 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeBluetooth); 264 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeNone); 265 } 266 267 TEST_F(NetworkStateNotifierTest, RemoveAllContexts) 268 { 269 StateObserver observer1, observer2; 270 m_notifier.addObserver(&observer1, executionContext()); 271 m_notifier.addObserver(&observer2, executionContext2()); 272 m_notifier.removeObserver(&observer1, executionContext()); 273 m_notifier.removeObserver(&observer2, executionContext2()); 274 275 setType(blink::ConnectionTypeBluetooth); 276 EXPECT_EQ(observer1.observedType(), blink::ConnectionTypeNone); 277 EXPECT_EQ(observer2.observedType(), blink::ConnectionTypeNone); 278 } 279 280 } // namespace WebCore 281
