12 using namespace ::v8::internal;
 
   17   VirtualMemory* vm = 
new VirtualMemory(1 * 
MB);
 
   18   CHECK(vm->IsReserved());
 
   19   void* block_addr = vm->address();
 
   20   size_t block_size = 4 * 
KB;
 
   21   CHECK(vm->Commit(block_addr, block_size, 
false));
 
   23   int* addr = 
static_cast<int*
>(block_addr);
 
   25   CHECK(vm->Uncommit(block_addr, block_size));
 
   30 TEST(GetCurrentProcessId) {
 
   32   CHECK_EQ(static_cast<int>(::GetCurrentProcessId()),
 
   33            OS::GetCurrentProcessId());
 
#define CHECK_EQ(expected, value)