1 /*
2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 // Tests for the UdpSocketManager interface.
12 // Note: This tests UdpSocketManager together with UdpSocketWrapper,
13 // due to the way the code is full of static-casts to the platform dependent
14 // subtypes.
15 // It also uses the static UdpSocketManager object.
16 // The most important property of these tests is that they do not leak memory.
17 
18 #include "testing/gtest/include/gtest/gtest.h"
19 #include "webrtc/system_wrappers/include/trace.h"
20 #include "webrtc/test/channel_transport/udp_socket_manager_wrapper.h"
21 #include "webrtc/test/channel_transport/udp_socket_wrapper.h"
22 
23 namespace webrtc {
24 namespace test {
25 
TEST(UdpSocketManager,CreateCallsInitAndDoesNotLeakMemory)26 TEST(UdpSocketManager, CreateCallsInitAndDoesNotLeakMemory) {
27   int32_t id = 42;
28   uint8_t threads = 1;
29   UdpSocketManager* mgr = UdpSocketManager::Create(id, threads);
30   // Create is supposed to have called init on the object.
31   EXPECT_FALSE(mgr->Init(id, threads))
32       << "Init should return false since Create is supposed to call it.";
33   UdpSocketManager::Return();
34 }
35 
36 // Creates a socket and adds it to the socket manager, and then removes it
37 // before destroying the socket manager.
TEST(UdpSocketManager,AddAndRemoveSocketDoesNotLeakMemory)38 TEST(UdpSocketManager, AddAndRemoveSocketDoesNotLeakMemory) {
39   int32_t id = 42;
40   uint8_t threads = 1;
41   UdpSocketManager* mgr = UdpSocketManager::Create(id, threads);
42   UdpSocketWrapper* socket =
43       UdpSocketWrapper::CreateSocket(id,
44                                      mgr,
45                                      NULL,  // CallbackObj
46                                      NULL,  // IncomingSocketCallback
47                                      false,  // ipV6Enable
48                                      false);  // disableGQOS
49   // The constructor will do AddSocket on the manager.
50   // RemoveSocket indirectly calls Delete.
51   EXPECT_EQ(true, mgr->RemoveSocket(socket));
52   UdpSocketManager::Return();
53 }
54 
55 // Creates a socket and add it to the socket manager, but does not remove it
56 // before destroying the socket manager.
57 // On Posix, this destroys the socket.
58 // On Winsock2 Windows, it enters an infinite wait for all the sockets
59 // to go away.
TEST(UdpSocketManager,UnremovedSocketsGetCollectedAtManagerDeletion)60 TEST(UdpSocketManager, UnremovedSocketsGetCollectedAtManagerDeletion) {
61 #if defined(_WIN32)
62   // It's hard to test an infinite wait, so we don't.
63 #else
64   int32_t id = 42;
65   uint8_t threads = 1;
66   UdpSocketManager* mgr = UdpSocketManager::Create(id, threads);
67   UdpSocketWrapper* unused_socket = UdpSocketWrapper::CreateSocket(
68       id,
69       mgr,
70       NULL,  // CallbackObj
71       NULL,  // IncomingSocketCallback
72       false,  // ipV6Enable
73       false);  // disableGQOS
74   // The constructor will do AddSocket on the manager.
75   // Call a member funtion to work around "set but not used" compliation
76   // error on ChromeOS ARM.
77   unused_socket->SetEventToNull();
78   unused_socket = NULL;
79   UdpSocketManager::Return();
80 #endif
81 }
82 
83 }  // namespace test
84 }  // namespace webrtc
85