15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2003, Google Inc. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// All rights reserved. 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Redistribution and use in source and binary forms, with or without 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// modification, are permitted provided that the following conditions are 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// met: 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions of source code must retain the above copyright 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notice, this list of conditions and the following disclaimer. 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions in binary form must reproduce the above 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// copyright notice, this list of conditions and the following disclaimer 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in the documentation and/or other materials provided with the 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// distribution. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Neither the name of Google Inc. nor the names of its 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// contributors may be used to endorse or promote products derived from 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this software without specific prior written permission. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --- 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Author: Sanjay Ghemawat 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "config_for_unittests.h" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stdio.h> 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stdlib.h> 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined HAVE_STDINT_H 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stdint.h> // to get intptr_t 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined HAVE_INTTYPES_H 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <inttypes.h> // another place intptr_t might be defined 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/types.h> 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "pagemap.h" 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using std::vector; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void Permute(vector<intptr_t>* elements) { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (elements->empty()) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const size_t num_elements = elements->size(); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = num_elements - 1; i > 0; --i) { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const size_t newpos = rand() % (i + 1); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const intptr_t tmp = (*elements)[i]; // swap 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*elements)[i] = (*elements)[newpos]; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*elements)[newpos] = tmp; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Note: we leak memory every time a map is constructed, so do not 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// create too many maps. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Test specified map type 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <class Type> 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void TestMap(int limit, bool limit_is_below_the_overflow_boundary) { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RAW_LOG(INFO, "Running test with %d iterations...\n", limit); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { // Test sequential ensure/assignment 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Type map(malloc); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (intptr_t i = 0; i < static_cast<intptr_t>(limit); i++) { 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.Ensure(i, 1); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.set(i, (void*)(i+1)); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_EQ(map.get(i), (void*)(i+1)); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (intptr_t i = 0; i < static_cast<intptr_t>(limit); i++) { 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_EQ(map.get(i), (void*)(i+1)); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { // Test bulk Ensure 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Type map(malloc); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.Ensure(0, limit); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (intptr_t i = 0; i < static_cast<intptr_t>(limit); i++) { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.set(i, (void*)(i+1)); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_EQ(map.get(i), (void*)(i+1)); 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (intptr_t i = 0; i < static_cast<intptr_t>(limit); i++) { 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_EQ(map.get(i), (void*)(i+1)); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Test that we correctly notice overflow 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Type map(malloc); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_EQ(map.Ensure(limit, limit+1), limit_is_below_the_overflow_boundary); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { // Test randomized accesses 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) srand(301); // srand isn't great, but it's portable 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) vector<intptr_t> elements; 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (intptr_t i = 0; i < static_cast<intptr_t>(limit); i++) elements.push_back(i); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Permute(&elements); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Type map(malloc); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (intptr_t i = 0; i < static_cast<intptr_t>(limit); i++) { 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.Ensure(elements[i], 1); 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.set(elements[i], (void*)(elements[i]+1)); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_EQ(map.get(elements[i]), (void*)(elements[i]+1)); 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (intptr_t i = 0; i < static_cast<intptr_t>(limit); i++) { 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_EQ(map.get(i), (void*)(i+1)); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// REQUIRES: BITS==10, i.e., valid range is [0,1023]. 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Representations for different types will end up being: 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// PageMap1: array[1024] 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// PageMap2: array[32][32] 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// PageMap3: array[16][16][4] 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <class Type> 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void TestNext(const char* name) { 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RAW_LOG(ERROR, "Running NextTest %s\n", name); 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Type map(malloc); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char a, b, c, d, e; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When map is empty 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(0) == NULL); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(5) == NULL); 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(1<<30) == NULL); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add a single value 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.Ensure(40, 1); 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.set(40, &a); 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(0) == &a); 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(39) == &a); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(40) == &a); 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(41) == NULL); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(1<<30) == NULL); 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add a few values 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.Ensure(41, 1); 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.Ensure(100, 3); 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.set(41, &b); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.set(100, &c); 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.set(101, &d); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.set(102, &e); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(0) == &a); 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(39) == &a); 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(40) == &a); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(41) == &b); 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(42) == &c); 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(63) == &c); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(64) == &c); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(65) == &c); 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(99) == &c); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(100) == &c); 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(101) == &d); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(102) == &e); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(map.Next(103) == NULL); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int main(int argc, char** argv) { 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestMap< TCMalloc_PageMap1<10> > (100, true); 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestMap< TCMalloc_PageMap1<10> > (1 << 10, false); 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestMap< TCMalloc_PageMap2<20> > (100, true); 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestMap< TCMalloc_PageMap2<20> > (1 << 20, false); 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestMap< TCMalloc_PageMap3<20> > (100, true); 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestMap< TCMalloc_PageMap3<20> > (1 << 20, false); 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestNext< TCMalloc_PageMap1<10> >("PageMap1"); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestNext< TCMalloc_PageMap2<10> >("PageMap2"); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestNext< TCMalloc_PageMap3<10> >("PageMap3"); 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) printf("PASS\n"); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 178