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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/dns/single_request_host_resolver.h" | 5 #include "net/dns/single_request_host_resolver.h" |
6 | 6 |
7 #include "net/base/address_list.h" | 7 #include "net/base/address_list.h" |
8 #include "net/base/net_errors.h" | 8 #include "net/base/net_errors.h" |
9 #include "net/base/net_log.h" | 9 #include "net/base/net_log.h" |
10 #include "net/base/test_completion_callback.h" | 10 #include "net/base/test_completion_callback.h" |
11 #include "net/dns/mock_host_resolver.h" | 11 #include "net/dns/mock_host_resolver.h" |
12 #include "testing/gtest/include/gtest/gtest.h" | 12 #include "testing/gtest/include/gtest/gtest.h" |
13 | 13 |
14 namespace net { | 14 namespace net { |
15 | 15 |
16 namespace { | 16 namespace { |
17 | 17 |
18 // Helper class used by SingleRequestHostResolverTest.Cancel test. | 18 // Helper class used by SingleRequestHostResolverTest.Cancel test. |
19 // It checks that only one request is outstanding at a time, and that | 19 // It checks that only one request is outstanding at a time, and that |
20 // it is cancelled before the class is destroyed. | 20 // it is cancelled before the class is destroyed. |
21 class HangingHostResolver : public HostResolver { | 21 class HangingHostResolver : public HostResolver { |
22 public: | 22 public: |
23 HangingHostResolver() : outstanding_request_(NULL) {} | 23 HangingHostResolver() : outstanding_request_(NULL) {} |
24 | 24 |
25 virtual ~HangingHostResolver() { | 25 virtual ~HangingHostResolver() { EXPECT_TRUE(!has_outstanding_request()); } |
26 EXPECT_TRUE(!has_outstanding_request()); | |
27 } | |
28 | 26 |
29 bool has_outstanding_request() const { | 27 bool has_outstanding_request() const { return outstanding_request_ != NULL; } |
30 return outstanding_request_ != NULL; | |
31 } | |
32 | 28 |
33 virtual int Resolve(const RequestInfo& info, | 29 virtual int Resolve(const RequestInfo& info, |
34 RequestPriority priority, | 30 RequestPriority priority, |
35 AddressList* addresses, | 31 AddressList* addresses, |
36 const CompletionCallback& callback, | 32 const CompletionCallback& callback, |
37 RequestHandle* out_req, | 33 RequestHandle* out_req, |
38 const BoundNetLog& net_log) OVERRIDE { | 34 const BoundNetLog& net_log) OVERRIDE { |
39 EXPECT_FALSE(has_outstanding_request()); | 35 EXPECT_FALSE(has_outstanding_request()); |
40 outstanding_request_ = reinterpret_cast<RequestHandle>(0x1234); | 36 outstanding_request_ = reinterpret_cast<RequestHandle>(0x1234); |
41 *out_req = outstanding_request_; | 37 *out_req = outstanding_request_; |
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116 // request. | 112 // request. |
117 TEST(SingleRequestHostResolverTest, CancelWhileNoPendingRequest) { | 113 TEST(SingleRequestHostResolverTest, CancelWhileNoPendingRequest) { |
118 HangingHostResolver resolver; | 114 HangingHostResolver resolver; |
119 SingleRequestHostResolver single_request_resolver(&resolver); | 115 SingleRequestHostResolver single_request_resolver(&resolver); |
120 single_request_resolver.Cancel(); | 116 single_request_resolver.Cancel(); |
121 | 117 |
122 // To pass, HangingHostResolver should not have received a cancellation | 118 // To pass, HangingHostResolver should not have received a cancellation |
123 // request (since there is nothing to cancel). If it does, it will crash. | 119 // request (since there is nothing to cancel). If it does, it will crash. |
124 } | 120 } |
125 | 121 |
126 } // namespace | 122 } // namespace |
127 | 123 |
128 } // namespace net | 124 } // namespace net |
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