1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 2 // 3 // Tests of the TokenLock class from lock.h 4 5 #include <stdlib.h> 6 7 #include "v8.h" 8 9 #include "platform.h" 10 #include "cctest.h" 11 12 using namespace ::v8::internal; 13 14 TEST(VirtualMemory)15TEST(VirtualMemory) { 16 OS::SetUp(); 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)); 22 // Check whether we can write to memory. 23 int* addr = static_cast<int*>(block_addr); 24 addr[KB-1] = 2; 25 CHECK(vm->Uncommit(block_addr, block_size)); 26 delete vm; 27 } 28