| // Copyright 2011 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // Author: morlovich@google.com (Maksim Orlovich) |
| |
| #ifndef PAGESPEED_KERNEL_SHAREDMEM_SHARED_MEM_TEST_BASE_H_ |
| #define PAGESPEED_KERNEL_SHAREDMEM_SHARED_MEM_TEST_BASE_H_ |
| |
| #include <cstddef> |
| |
| #include "pagespeed/kernel/base/abstract_shared_mem.h" |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/gtest.h" |
| #include "pagespeed/kernel/base/mock_message_handler.h" |
| #include "pagespeed/kernel/base/scoped_ptr.h" |
| |
| namespace net_instaweb { |
| |
| class Function; |
| class ThreadSystem; |
| |
| class SharedMemTestEnv { |
| public: |
| virtual ~SharedMemTestEnv(); |
| SharedMemTestEnv() {} |
| |
| virtual AbstractSharedMem* CreateSharedMemRuntime() = 0; |
| |
| // This method must be overridden to start a new process and invoke the |
| // callback object in it. The runtime is responsible for deleting the callback |
| // object properly. |
| // |
| // Returns whether started OK or not. |
| virtual bool CreateChild(Function* callback) = 0; |
| |
| // This method must be overridden to block until all processes/threads started |
| // by CreateChild exit. |
| virtual void WaitForChildren() = 0; |
| |
| // Runtime-specific short sleep. |
| virtual void ShortSleep() = 0; |
| |
| // Called in a child to denote it exiting with failure |
| virtual void ChildFailed() = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(SharedMemTestEnv); |
| }; |
| |
| class SharedMemTestBase : public testing::Test { |
| protected: |
| typedef void (SharedMemTestBase::*TestMethod)(); |
| |
| explicit SharedMemTestBase(SharedMemTestEnv* test_env); |
| |
| bool CreateChild(TestMethod method); |
| |
| // Basic read/write operation test. |
| void TestReadWrite(bool reattach); |
| |
| // Test with large data; also test initialization. |
| void TestLarge(); |
| |
| // Make sure that 2 segments don't interfere. |
| void TestDistinct(); |
| |
| // Make sure destruction destroys things properly... |
| void TestDestroy(); |
| |
| // Make sure that re-creating a segment without a Destroy is safe and |
| // produces a distinct segment. |
| void TestCreateTwice(); |
| |
| // Make sure between two kids see the SHM as well. |
| void TestTwoKids(); |
| |
| // Test for mutex operation. |
| void TestMutex(); |
| |
| private: |
| static const int kLarge = 0x1000 - 4; // not a multiple of any page size, but |
| // a multiple of 4. |
| static const int kNumIncrements = 0xFFFFF; |
| |
| volatile int* IntPtr(AbstractSharedMemSegment* seg, int offset) { |
| return reinterpret_cast<volatile int*>(&seg->Base()[offset]); |
| } |
| |
| AbstractSharedMemSegment* CreateDefault(); |
| AbstractSharedMemSegment* AttachDefault(); |
| void DestroyDefault(); |
| |
| // writes '1' to the default segment's base location. |
| void WriteSeg1Child(); |
| |
| // writes '2' to the other segment's base location. |
| void WriteSeg2Child(); |
| |
| void TestReadWriteChild(); |
| void TestLargeChild(); |
| void TwoKidsChild1(); |
| void TwoKidsChild2(); |
| |
| bool IncrementStorm(AbstractSharedMemSegment* seg, size_t mutex_size); |
| |
| void MutexChild(); |
| |
| scoped_ptr<SharedMemTestEnv> test_env_; |
| scoped_ptr<AbstractSharedMem> shmem_runtime_; |
| scoped_ptr<ThreadSystem> thread_system_; |
| MockMessageHandler handler_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SharedMemTestBase); |
| }; |
| |
| // Passes in the SharedMemTestEnv to SharedMemTestBase via a template param |
| // to help glue us to the test framework |
| template<typename ConcreteTestEnv> |
| class SharedMemTestTemplate : public SharedMemTestBase { |
| public: |
| SharedMemTestTemplate() : SharedMemTestBase(new ConcreteTestEnv) { |
| } |
| }; |
| |
| TYPED_TEST_CASE_P(SharedMemTestTemplate); |
| |
| TYPED_TEST_P(SharedMemTestTemplate, TestRewrite) { |
| SharedMemTestBase::TestReadWrite(false); |
| } |
| |
| TYPED_TEST_P(SharedMemTestTemplate, TestRewriteReattach) { |
| SharedMemTestBase::TestReadWrite(true); |
| } |
| |
| TYPED_TEST_P(SharedMemTestTemplate, TestLarge) { |
| SharedMemTestBase::TestLarge(); |
| } |
| |
| TYPED_TEST_P(SharedMemTestTemplate, TestDistinct) { |
| SharedMemTestBase::TestDistinct(); |
| } |
| |
| TYPED_TEST_P(SharedMemTestTemplate, TestDestroy) { |
| SharedMemTestBase::TestDestroy(); |
| } |
| |
| TYPED_TEST_P(SharedMemTestTemplate, TestCreateTwice) { |
| SharedMemTestBase::TestCreateTwice(); |
| } |
| |
| TYPED_TEST_P(SharedMemTestTemplate, TestTwoKids) { |
| SharedMemTestBase::TestTwoKids(); |
| } |
| |
| TYPED_TEST_P(SharedMemTestTemplate, TestMutex) { |
| SharedMemTestBase::TestMutex(); |
| } |
| |
| REGISTER_TYPED_TEST_CASE_P(SharedMemTestTemplate, TestRewrite, |
| TestRewriteReattach, TestLarge, TestDistinct, |
| TestDestroy, TestCreateTwice, TestTwoKids, |
| TestMutex); |
| |
| } // namespace net_instaweb |
| |
| #endif // PAGESPEED_KERNEL_SHAREDMEM_SHARED_MEM_TEST_BASE_H_ |