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1 // Copyright 2011 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 // | |
28 // Tests of fast TLS support. | |
29 | |
30 #include "src/v8.h" | |
31 | |
32 #include "src/base/logging.h" | |
33 #include "src/base/platform/platform.h" | |
34 #include "test/cctest/cctest.h" | |
35 | |
36 using v8::base::Thread; | |
37 | |
38 static const int kValueCount = 128; | |
39 | |
40 static Thread::LocalStorageKey keys[kValueCount]; | |
41 | |
42 static void* GetValue(int num) { | |
43 return reinterpret_cast<void*>(static_cast<intptr_t>(num + 1)); | |
44 } | |
45 | |
46 | |
47 static void DoTest() { | |
48 for (int i = 0; i < kValueCount; i++) { | |
49 CHECK(!Thread::HasThreadLocal(keys[i])); | |
50 } | |
51 for (int i = 0; i < kValueCount; i++) { | |
52 Thread::SetThreadLocal(keys[i], GetValue(i)); | |
53 } | |
54 for (int i = 0; i < kValueCount; i++) { | |
55 CHECK(Thread::HasThreadLocal(keys[i])); | |
56 } | |
57 for (int i = 0; i < kValueCount; i++) { | |
58 CHECK_EQ(GetValue(i), Thread::GetThreadLocal(keys[i])); | |
59 CHECK_EQ(GetValue(i), Thread::GetExistingThreadLocal(keys[i])); | |
60 } | |
61 for (int i = 0; i < kValueCount; i++) { | |
62 Thread::SetThreadLocal(keys[i], GetValue(kValueCount - i - 1)); | |
63 } | |
64 for (int i = 0; i < kValueCount; i++) { | |
65 CHECK(Thread::HasThreadLocal(keys[i])); | |
66 } | |
67 for (int i = 0; i < kValueCount; i++) { | |
68 CHECK_EQ(GetValue(kValueCount - i - 1), | |
69 Thread::GetThreadLocal(keys[i])); | |
70 CHECK_EQ(GetValue(kValueCount - i - 1), | |
71 Thread::GetExistingThreadLocal(keys[i])); | |
72 } | |
73 } | |
74 | |
75 class TestThread : public Thread { | |
76 public: | |
77 TestThread() : Thread("TestThread") {} | |
78 | |
79 virtual void Run() { | |
80 DoTest(); | |
81 } | |
82 }; | |
83 | |
84 | |
85 TEST(FastTLS) { | |
86 for (int i = 0; i < kValueCount; i++) { | |
87 keys[i] = Thread::CreateThreadLocalKey(); | |
88 } | |
89 DoTest(); | |
90 TestThread thread; | |
91 thread.Start(); | |
92 thread.Join(); | |
93 } | |
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