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 | |
40 | TEST_VM(FlagGuard, bool_flag) { |
41 | TEST_FLAG(AlwaysActAsServerClassMachine, bool, true); |
42 | } |
43 | |
44 | TEST_VM(FlagGuard, int_flag) { |
45 | TEST_FLAG(ParGCArrayScanChunk, int, 1337); |
46 | } |
47 | |
48 | TEST_VM(FlagGuard, intx_flag) { |
49 | TEST_FLAG(RefDiscoveryPolicy, intx, 1337); |
50 | } |
51 | |
52 | TEST_VM(FlagGuard, uint_flag) { |
53 | TEST_FLAG(ConcGCThreads, uint, 1337); |
54 | } |
55 | |
56 | TEST_VM(FlagGuard, uintx_flag) { |
57 | TEST_FLAG(GCTaskTimeStampEntries, uint, 1337); |
58 | } |
59 | |
60 | TEST_VM(FlagGuard, size_t_flag) { |
61 | TEST_FLAG(HeapSizePerGCThread, size_t, 1337); |
62 | } |
63 | |
64 | TEST_VM(FlagGuard, uint64_t_flag) { |
65 | TEST_FLAG(MaxRAM, uint64_t, 1337); |
66 | } |
67 | |
68 | TEST_VM(FlagGuard, double_flag) { |
69 | TEST_FLAG(CompileThresholdScaling, double, 3.141569); |
70 | } |
71 | |
72 | TEST_VM(FlagGuard, ccstr_flag) { |
73 | TEST_FLAG(PerfDataSaveFile, ccstr, "/a/random/path" ); |
74 | } |
75 | |