1// Copyright 2006-2008 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 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 39using namespace ::v8::internal; 40 41 42TEST(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