1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "utils/swap_space.h" 18 19 #include <fcntl.h> 20 #include <sys/stat.h> 21 #include <sys/types.h> 22 23 #include <cstdio> 24 25 #include "gtest/gtest.h" 26 27 #include "base/os.h" 28 #include "base/unix_file/fd_file.h" 29 #include "common_runtime_test.h" 30 31 namespace art { 32 33 class SwapSpaceTest : public CommonRuntimeTest { 34 }; 35 36 static void SwapTest(bool use_file) { 37 ScratchFile scratch; 38 int fd = scratch.GetFd(); 39 unlink(scratch.GetFilename().c_str()); 40 41 SwapSpace pool(fd, 1 * MB); 42 SwapAllocator<void> alloc(use_file ? &pool : nullptr); 43 44 SwapVector<int32_t> v(alloc); 45 v.reserve(1000000); 46 for (int32_t i = 0; i < 1000000; ++i) { 47 v.push_back(i); 48 EXPECT_EQ(i, v[i]); 49 } 50 51 SwapVector<int32_t> v2(alloc); 52 v2.reserve(1000000); 53 for (int32_t i = 0; i < 1000000; ++i) { 54 v2.push_back(i); 55 EXPECT_EQ(i, v2[i]); 56 } 57 58 SwapVector<int32_t> v3(alloc); 59 v3.reserve(500000); 60 for (int32_t i = 0; i < 1000000; ++i) { 61 v3.push_back(i); 62 EXPECT_EQ(i, v2[i]); 63 } 64 65 // Verify contents. 66 for (int32_t i = 0; i < 1000000; ++i) { 67 EXPECT_EQ(i, v[i]); 68 EXPECT_EQ(i, v2[i]); 69 EXPECT_EQ(i, v3[i]); 70 } 71 72 scratch.Close(); 73 } 74 75 TEST_F(SwapSpaceTest, Memory) { 76 SwapTest(false); 77 } 78 79 TEST_F(SwapSpaceTest, Swap) { 80 SwapTest(true); 81 } 82 83 } // namespace art 84