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 "unittest.hpp"
28
29#define TEST_FLAG(f, type, value) \
30 do { \
31 ASSERT_TRUE(JVMFlag::find_flag(#f)->is_ ## type()); \
32 type original_value = f; \
33 { \
34 FLAG_GUARD(f); \
35 f = value; \
36 } \
37 ASSERT_EQ(original_value, f); \
38 } while (0)
39
40TEST_VM(FlagGuard, bool_flag) {
41 TEST_FLAG(AlwaysActAsServerClassMachine, bool, true);
42}
43
44TEST_VM(FlagGuard, int_flag) {
45 TEST_FLAG(ParGCArrayScanChunk, int, 1337);
46}
47
48TEST_VM(FlagGuard, intx_flag) {
49 TEST_FLAG(RefDiscoveryPolicy, intx, 1337);
50}
51
52TEST_VM(FlagGuard, uint_flag) {
53 TEST_FLAG(ConcGCThreads, uint, 1337);
54}
55
56TEST_VM(FlagGuard, uintx_flag) {
57 TEST_FLAG(GCTaskTimeStampEntries, uint, 1337);
58}
59
60TEST_VM(FlagGuard, size_t_flag) {
61 TEST_FLAG(HeapSizePerGCThread, size_t, 1337);
62}
63
64TEST_VM(FlagGuard, uint64_t_flag) {
65 TEST_FLAG(MaxRAM, uint64_t, 1337);
66}
67
68TEST_VM(FlagGuard, double_flag) {
69 TEST_FLAG(CompileThresholdScaling, double, 3.141569);
70}
71
72TEST_VM(FlagGuard, ccstr_flag) {
73 TEST_FLAG(PerfDataSaveFile, ccstr, "/a/random/path");
74}
75