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 39 using namespace ::v8::internal; 40 41 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
