v8/test/cctest/test-platform-win32.cc

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// Tests of the TokenLock class from lock.h

#include <stdlib.h>

#include "src/v8.h"

#include "src/base/platform/platform.h"
#include "src/base/win32-headers.h"
#include "test/cctest/cctest.h"

TEST(VirtualMemory) {
  v8::base::VirtualMemory* vm =
      new v8::base::VirtualMemory(1 * i::MB, v8::base::OS::GetRandomMmapAddr());
  CHECK(vm->IsReserved());
  void* block_addr = vm->address();
  size_t block_size = 4 * i::KB;
  CHECK(vm->Commit(block_addr, block_size, false));
  // Check whether we can write to memory.
  int* addr = static_cast<int*>(block_addr);
  addr[i::KB - 1] = 2;
  CHECK(vm->Uncommit(block_addr, block_size));
  delete vm;
}