object_pool_test-inl.h

/*
 * Copyright (c) 2014-2016, Siemens AG. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 * 1. Redistributions of source code must retain the above copyright notice,
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#ifndef CONTAINERS_CPP_TEST_OBJECT_POOL_TEST_INL_H_
#define CONTAINERS_CPP_TEST_OBJECT_POOL_TEST_INL_H_

#include <vector>
#include <embb/base/c/internal/thread_index.h>

namespace embb {
namespace containers {
namespace test {
template<typename ValuePool>
ObjectPoolTest<ValuePool>::ObjectPoolTest() :
number_threads_(static_cast<int>
  (partest::TestSuite::GetDefaultNumThreads())),
number_iterations_(static_cast<int>
  (partest::TestSuite::GetDefaultNumIterations())),
allocations_per_thread(100),
allocations(allocations_per_thread*number_threads_),
objectPool(static_cast<size_t>(allocations)) {
  CreateUnit("ParallelObjectPoolTest").
    Pre(&ObjectPoolTest::ParallelObjectPoolTest_Pre, this).
    Add(&ObjectPoolTest::ParallelObjectPoolTest_ThreadMethod, this,
    static_cast<size_t>(number_threads_),
    static_cast<size_t>(number_iterations_)).
    Post(&ObjectPoolTest::ParallelObjectPoolTest_Post, this);
}

template<typename ValuePool>
void ObjectPoolTest<ValuePool>::ParallelObjectPoolTest_Pre() {
  embb_internal_thread_index_reset();
}

template<typename ValuePool>
void ObjectPoolTest<ValuePool>::ParallelObjectPoolTest_Post() {
  //everything should be freed, we should be able to allocate everything...
  ::std::vector<ObjectPoolTestStruct*> allocated;

  for (int i = 0; i != allocations_per_thread * number_threads_; ++i) {
    // write number to allocate object, to later check that the objects
    // are disjoint.
    allocated.push_back(objectPool.Allocate(i));
  }

  for (unsigned int i = 0;
    i != static_cast<unsigned int>(allocated.size()); ++i) {
    // check that objects are disjoint
    PT_ASSERT(static_cast<unsigned int>(allocated[i]->GetThreadId()) == i);
    objectPool.Free(allocated[i]);
  }
}

template<typename ValuePool>
void ObjectPoolTest<ValuePool>::ParallelObjectPoolTest_ThreadMethod() {
  unsigned int thread_index;

  int return_val = embb_internal_thread_index(&thread_index);

  PT_ASSERT(EMBB_SUCCESS == return_val);

  ::std::vector<ObjectPoolTestStruct*> allocated;

  for (int i = 0; i != allocations_per_thread; ++i) {
    // all threads allocate without synchronization
    ObjectPoolTestStruct* t = objectPool.Allocate(static_cast<int>
      (thread_index));
    allocated.push_back(t);
  }

  for (unsigned int i = 0;
    i != static_cast<unsigned int>(allocations_per_thread); ++i) {
    // check that no other thread wrote to the object, we have allocated...
    PT_ASSERT(allocated[i]->GetThreadId() ==
      static_cast<int>(thread_index));
    objectPool.Free(allocated[i]);
  }
}
} // namespace test
} // namespace containers
} // namespace embb

#endif  // CONTAINERS_CPP_TEST_OBJECT_POOL_TEST_INL_H_