1 /*
2 * Copyright (c) 2016, 2019, 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
TEST_VM(FlagGuard,bool_flag)41 TEST_VM(FlagGuard, bool_flag) {
42 TEST_FLAG(AlwaysActAsServerClassMachine, bool, true);
43 }
44
TEST_VM(FlagGuard,int_flag)45 TEST_VM(FlagGuard, int_flag) {
46 TEST_FLAG(ParGCArrayScanChunk, int, 1337);
47 }
48
TEST_VM(FlagGuard,intx_flag)49 TEST_VM(FlagGuard, intx_flag) {
50 TEST_FLAG(RefDiscoveryPolicy, intx, 1337);
51 }
52
TEST_VM(FlagGuard,uint_flag)53 TEST_VM(FlagGuard, uint_flag) {
54 TEST_FLAG(ConcGCThreads, uint, 1337);
55 }
56
TEST_VM(FlagGuard,size_t_flag)57 TEST_VM(FlagGuard, size_t_flag) {
58 TEST_FLAG(HeapSizePerGCThread, size_t, 1337);
59 }
60
TEST_VM(FlagGuard,uint64_t_flag)61 TEST_VM(FlagGuard, uint64_t_flag) {
62 TEST_FLAG(MaxRAM, uint64_t, 1337);
63 }
64
TEST_VM(FlagGuard,double_flag)65 TEST_VM(FlagGuard, double_flag) {
66 TEST_FLAG(CompileThresholdScaling, double, 3.141569);
67 }
68
TEST_VM(FlagGuard,ccstr_flag)69 TEST_VM(FlagGuard, ccstr_flag) {
70 TEST_FLAG(PerfDataSaveFile, ccstr, "/a/random/path");
71 }
72