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27 //
28 // Tests of the TokenLock class from lock.h
29
30 #include <pthread.h>
31 #include <stdlib.h>
32 #include <unistd.h> // for usleep()
33
34 #include "src/v8.h"
35
36 #include "src/base/platform/platform.h"
37 #include "test/cctest/cctest.h"
38
39 using namespace ::v8::internal;
40
41
TEST(VirtualMemory)42 TEST(VirtualMemory) {
43 v8::base::VirtualMemory* vm = new v8::base::VirtualMemory(1 * MB);
44 CHECK(vm->IsReserved());
45 void* block_addr = vm->address();
46 size_t block_size = 4 * KB;
47 CHECK(vm->Commit(block_addr, block_size, false));
48 // Check whether we can write to memory.
49 int* addr = static_cast<int*>(block_addr);
50 addr[KB-1] = 2;
51 CHECK(vm->Uncommit(block_addr, block_size));
52 delete vm;
53 }
54