JemallocNodumpAllocatorTest.cpp File Reference

#include <folly/experimental/JemallocNodumpAllocator.h>
#include <folly/io/IOBuf.h>
#include <folly/memory/Malloc.h>
#include <folly/portability/GTest.h>

Go to the source code of this file.

Functions
	TEST (JemallocNodumpAllocatorTest, Basic)
	TEST (JemallocNodumpAllocatorTest, IOBuf)

Function Documentation

TEST	(	JemallocNodumpAllocatorTest	,
		Basic
	)

Definition at line 23 of file JemallocNodumpAllocatorTest.cpp.

References folly::JemallocNodumpAllocator::allocate(), folly::JemallocNodumpAllocator::deallocate(), EXPECT_NE, folly::JemallocNodumpAllocator::getArenaIndex(), ptr, and folly::usingJEMalloc().

                                         {
  folly::JemallocNodumpAllocator jna;

#ifdef FOLLY_JEMALLOC_NODUMP_ALLOCATOR_SUPPORTED
  if (folly::usingJEMalloc()) {
    EXPECT_NE(0, jna.getArenaIndex());
  }
#endif // FOLLY_JEMALLOC_NODUMP_ALLOCATOR_SUPPORTED

  auto ptr = jna.allocate(1024);
  EXPECT_NE(nullptr, ptr);
  jna.deallocate(ptr);
}

TEST	(	JemallocNodumpAllocatorTest	,
		IOBuf
	)

Definition at line 37 of file JemallocNodumpAllocatorTest.cpp.

References folly::JemallocNodumpAllocator::allocate(), folly::IOBuf::capacity(), data, folly::IOBuf::data(), EXPECT_EQ, EXPECT_NE, folly::JemallocNodumpAllocator::getArenaIndex(), i, ptr, folly::size(), folly::IOBuf::TAKE_OWNERSHIP, uint8_t, folly::usingJEMalloc(), and folly::IOBuf::writableData().

                                         {
  folly::JemallocNodumpAllocator jna;

#ifdef FOLLY_JEMALLOC_NODUMP_ALLOCATOR_SUPPORTED
  if (folly::usingJEMalloc()) {
    EXPECT_NE(0, jna.getArenaIndex());
  }
#endif // FOLLY_JEMALLOC_NODUMP_ALLOCATOR_SUPPORTED

  const size_t size{1024};
  void* ptr = jna.allocate(size);
  EXPECT_NE(nullptr, ptr);
  folly::IOBuf ioBuf(folly::IOBuf::TAKE_OWNERSHIP, ptr, size);
  EXPECT_EQ(size, ioBuf.capacity());
  EXPECT_EQ(ptr, ioBuf.data());
  uint8_t* data = ioBuf.writableData();
  EXPECT_EQ(ptr, data);
  for (auto i = 0u; i < ioBuf.capacity(); ++i) {
    data[i] = 'A';
  }
  uint8_t* p = static_cast<uint8_t*>(ptr);
  for (auto i = 0u; i < size; ++i) {
    EXPECT_EQ('A', p[i]);
  }
}