1 /* 2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include "precompiled.hpp" 25 #include "runtime/globals.hpp" 26 #include "runtime/flags/flagSetting.hpp" 27 #include "runtime/flags/jvmFlag.hpp" 28 #include "unittest.hpp" 29 30 #define TEST_FLAG(f, type, value) \ 31 do { \ 32 ASSERT_TRUE(JVMFlag::find_flag(#f)->is_ ## type()); \ 33 type original_value = f; \ 34 { \ 35 FLAG_GUARD(f); \ 36 f = value; \ 37 } \ 38 ASSERT_EQ(original_value, f); \ 39 } while (0) 40 41 TEST_VM(FlagGuard, bool_flag) { 42 TEST_FLAG(AlwaysActAsServerClassMachine, bool, true); 43 } 44 45 TEST_VM(FlagGuard, int_flag) { 46 TEST_FLAG(ParGCArrayScanChunk, int, 1337); 47 } 48 49 TEST_VM(FlagGuard, intx_flag) { 50 TEST_FLAG(RefDiscoveryPolicy, intx, 1337); 51 } 52 53 TEST_VM(FlagGuard, uint_flag) { 54 TEST_FLAG(ConcGCThreads, uint, 1337); 55 } 56 57 TEST_VM(FlagGuard, uintx_flag) { 58 TEST_FLAG(GCTaskTimeStampEntries, uint, 1337); 59 } 60 61 TEST_VM(FlagGuard, size_t_flag) { 62 TEST_FLAG(HeapSizePerGCThread, size_t, 1337); 63 } 64 65 TEST_VM(FlagGuard, uint64_t_flag) { 66 TEST_FLAG(MaxRAM, uint64_t, 1337); 67 } 68 69 TEST_VM(FlagGuard, double_flag) { 70 TEST_FLAG(CompileThresholdScaling, double, 3.141569); 71 } 72 73 TEST_VM(FlagGuard, ccstr_flag) { 74 TEST_FLAG(PerfDataSaveFile, ccstr, "/a/random/path"); 75 }