The Tor Browser / file comparison
comparison: xpcom/tests/TestObserverService.cpp
xpcom/tests/TestObserverService.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:b70b3d5ae303 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsISupports.h" | |
| 7 #include "nsIComponentManager.h" | |
| 8 #include "nsIObserverService.h" | |
| 9 #include "nsIObserver.h" | |
| 10 #include "nsISimpleEnumerator.h" | |
| 11 #include "nsStringGlue.h" | |
| 12 #include "nsWeakReference.h" | |
| 13 #include "nsComponentManagerUtils.h" | |
| 14 #include "mozilla/Attributes.h" | |
| 15 | |
| 16 #include <stdio.h> | |
| 17 | |
| 18 static nsIObserverService *anObserverService = nullptr; | |
| 19 | |
| 20 static void testResult( nsresult rv ) { | |
| 21 if ( NS_SUCCEEDED( rv ) ) { | |
| 22 printf("...ok\n"); | |
| 23 } else { | |
| 24 printf("...failed, rv=0x%x\n", (int)rv); | |
| 25 } | |
| 26 return; | |
| 27 } | |
| 28 | |
| 29 void printString(nsString &str) { | |
| 30 printf("%s", NS_ConvertUTF16toUTF8(str).get()); | |
| 31 } | |
| 32 | |
| 33 class TestObserver MOZ_FINAL : public nsIObserver, | |
| 34 public nsSupportsWeakReference | |
| 35 { | |
| 36 public: | |
| 37 TestObserver( const nsAString &name ) | |
| 38 : mName( name ) { | |
| 39 } | |
| 40 NS_DECL_ISUPPORTS | |
| 41 NS_DECL_NSIOBSERVER | |
| 42 | |
| 43 nsString mName; | |
| 44 | |
| 45 private: | |
| 46 ~TestObserver() {} | |
| 47 }; | |
| 48 | |
| 49 NS_IMPL_ISUPPORTS( TestObserver, nsIObserver, nsISupportsWeakReference ) | |
| 50 | |
| 51 NS_IMETHODIMP | |
| 52 TestObserver::Observe( nsISupports *aSubject, | |
| 53 const char *aTopic, | |
| 54 const char16_t *someData ) { | |
| 55 nsCString topic( aTopic ); | |
| 56 nsString data( someData ); | |
| 57 /* | |
| 58 The annoying double-cast below is to work around an annoying bug in | |
| 59 the compiler currently used on wensleydale. This is a test. | |
| 60 */ | |
| 61 printString(mName); | |
| 62 printf(" has observed something: subject@%p", (void*)aSubject); | |
| 63 printf(" name="); | |
| 64 printString(reinterpret_cast<TestObserver*>(reinterpret_cast<void*>(aSubject))->mName); | |
| 65 printf(" aTopic=%s", topic.get()); | |
| 66 printf(" someData="); | |
| 67 printString(data); | |
| 68 printf("\n"); | |
| 69 return NS_OK; | |
| 70 } | |
| 71 | |
| 72 int main(int argc, char *argv[]) | |
| 73 { | |
| 74 nsCString topicA; topicA.Assign( "topic-A" ); | |
| 75 nsCString topicB; topicB.Assign( "topic-B" ); | |
| 76 nsresult rv; | |
| 77 | |
| 78 nsresult res = CallCreateInstance("@mozilla.org/observer-service;1", &anObserverService); | |
| 79 | |
| 80 if (res == NS_OK) { | |
| 81 | |
| 82 nsIObserver *aObserver = new TestObserver(NS_LITERAL_STRING("Observer-A")); | |
| 83 aObserver->AddRef(); | |
| 84 nsIObserver *bObserver = new TestObserver(NS_LITERAL_STRING("Observer-B")); | |
| 85 bObserver->AddRef(); | |
| 86 | |
| 87 printf("Adding Observer-A as observer of topic-A...\n"); | |
| 88 rv = anObserverService->AddObserver(aObserver, topicA.get(), false); | |
| 89 testResult(rv); | |
| 90 | |
| 91 printf("Adding Observer-B as observer of topic-A...\n"); | |
| 92 rv = anObserverService->AddObserver(bObserver, topicA.get(), false); | |
| 93 testResult(rv); | |
| 94 | |
| 95 printf("Adding Observer-B as observer of topic-B...\n"); | |
| 96 rv = anObserverService->AddObserver(bObserver, topicB.get(), false); | |
| 97 testResult(rv); | |
| 98 | |
| 99 printf("Testing Notify(observer-A, topic-A)...\n"); | |
| 100 rv = anObserverService->NotifyObservers( aObserver, | |
| 101 topicA.get(), | |
| 102 MOZ_UTF16("Testing Notify(observer-A, topic-A)") ); | |
| 103 testResult(rv); | |
| 104 | |
| 105 printf("Testing Notify(observer-B, topic-B)...\n"); | |
| 106 rv = anObserverService->NotifyObservers( bObserver, | |
| 107 topicB.get(), | |
| 108 MOZ_UTF16("Testing Notify(observer-B, topic-B)") ); | |
| 109 testResult(rv); | |
| 110 | |
| 111 printf("Testing EnumerateObserverList (for topic-A)...\n"); | |
| 112 nsCOMPtr<nsISimpleEnumerator> e; | |
| 113 rv = anObserverService->EnumerateObservers(topicA.get(), getter_AddRefs(e)); | |
| 114 | |
| 115 testResult(rv); | |
| 116 | |
| 117 printf("Enumerating observers of topic-A...\n"); | |
| 118 if ( e ) { | |
| 119 nsCOMPtr<nsIObserver> observer; | |
| 120 bool loop = true; | |
| 121 while( NS_SUCCEEDED(e->HasMoreElements(&loop)) && loop) | |
| 122 { | |
| 123 nsCOMPtr<nsISupports> supports; | |
| 124 e->GetNext(getter_AddRefs(supports)); | |
| 125 observer = do_QueryInterface(supports); | |
| 126 printf("Calling observe on enumerated observer "); | |
| 127 printString(reinterpret_cast<TestObserver*> | |
| 128 (reinterpret_cast<void*>(observer.get()))->mName); | |
| 129 printf("...\n"); | |
| 130 rv = observer->Observe( observer, | |
| 131 topicA.get(), | |
| 132 MOZ_UTF16("during enumeration") ); | |
| 133 testResult(rv); | |
| 134 } | |
| 135 } | |
| 136 printf("...done enumerating observers of topic-A\n"); | |
| 137 | |
| 138 printf("Removing Observer-A...\n"); | |
| 139 rv = anObserverService->RemoveObserver(aObserver, topicA.get()); | |
| 140 testResult(rv); | |
| 141 | |
| 142 | |
| 143 printf("Removing Observer-B (topic-A)...\n"); | |
| 144 rv = anObserverService->RemoveObserver(bObserver, topicB.get()); | |
| 145 testResult(rv); | |
| 146 printf("Removing Observer-B (topic-B)...\n"); | |
| 147 rv = anObserverService->RemoveObserver(bObserver, topicA.get()); | |
| 148 testResult(rv); | |
| 149 | |
| 150 } | |
| 151 return 0; | |
| 152 } |
