Function TEST

test/shared_memory_unittest.cc:148–194

// CreateNamedDeprecated(openExisting=true)
#if !defined(OS_ANDROID)
TEST(SharedMemoryTest, OpenClose) {
  const uint32_t kDataSize = 1024;
  std::string test_name = "SharedMemoryOpenCloseTest";

  // Open two handles to a memory segment, confirm that they are mapped
  // separately yet point to the same space.
  SharedMemory memory1;
  bool rv = memory1.Delete(test_name);
  EXPECT_TRUE(rv);
  rv = memory1.Delete(test_name);
  EXPECT_TRUE(rv);
  rv = memory1.Open(test_name, false);
  EXPECT_FALSE(rv);
  rv = memory1.CreateNamedDeprecated(test_name, false, kDataSize);
  EXPECT_TRUE(rv);
  rv = memory1.Map(kDataSize);
  EXPECT_TRUE(rv);
  SharedMemory memory2;
  rv = memory2.Open(test_name, false);
  EXPECT_TRUE(rv);
  rv = memory2.Map(kDataSize);
  EXPECT_TRUE(rv);
  EXPECT_NE(memory1.memory(), memory2.memory());  // Compare the pointers.

  // Make sure we don't segfault. (it actually happened!)
  ASSERT_NE(memory1.memory(), static_cast<void*>(NULL));
  ASSERT_NE(memory2.memory(), static_cast<void*>(NULL));

  // Write data to the first memory segment, verify contents of second.
  memset(memory1.memory(), '1', kDataSize);
  EXPECT_EQ(memcmp(memory1.memory(), memory2.memory(), kDataSize), 0);

  // Close the first memory segment, and verify the second has the right data.
  memory1.Close();
  char *start_ptr = static_cast<char *>(memory2.memory());
  char *end_ptr = start_ptr + kDataSize;
  for (char* ptr = start_ptr; ptr < end_ptr; ptr++)
    EXPECT_EQ(*ptr, '1');

  // Close the second memory segment.
  memory2.Close();

  rv = memory1.Delete(test_name);
  EXPECT_TRUE(rv);
  rv = memory2.Delete(test_name);
  EXPECT_TRUE(rv);
}

TEST(SharedMemoryTest, OpenExclusive) {
  const uint32_t kDataSize = 1024;