1 /*
2 * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2018, 2020 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "memory/metaspace.hpp"
28 #include "unittest.hpp"
29
30
31 TEST_VM(MetaspaceUtils, reserved) {
32 size_t reserved = MetaspaceUtils::reserved_bytes();
33 EXPECT_GT(reserved, 0UL);
34
35 size_t reserved_metadata = MetaspaceUtils::reserved_bytes(Metaspace::NonClassType);
36 EXPECT_GT(reserved_metadata, 0UL);
37 EXPECT_LE(reserved_metadata, reserved);
38 }
39
40 TEST_VM(MetaspaceUtils, reserved_compressed_class_pointers) {
41 if (!UseCompressedClassPointers) {
42 return;
43 }
44 size_t reserved = MetaspaceUtils::reserved_bytes();
45 EXPECT_GT(reserved, 0UL);
46
47 size_t reserved_class = MetaspaceUtils::reserved_bytes(Metaspace::ClassType);
48 EXPECT_GT(reserved_class, 0UL);
49 EXPECT_LE(reserved_class, reserved);
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1 /*
2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2020 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "memory/metaspace.hpp"
28 #include "unittest.hpp"
29
30 TEST_VM(MetaspaceUtils, reserved) {
31 size_t reserved = MetaspaceUtils::reserved_bytes();
32 EXPECT_GT(reserved, 0UL);
33
34 size_t reserved_metadata = MetaspaceUtils::reserved_bytes(Metaspace::NonClassType);
35 EXPECT_GT(reserved_metadata, 0UL);
36 EXPECT_LE(reserved_metadata, reserved);
37 }
38
39 TEST_VM(MetaspaceUtils, reserved_compressed_class_pointers) {
40 if (!UseCompressedClassPointers) {
41 return;
42 }
43 size_t reserved = MetaspaceUtils::reserved_bytes();
44 EXPECT_GT(reserved, 0UL);
45
46 size_t reserved_class = MetaspaceUtils::reserved_bytes(Metaspace::ClassType);
47 EXPECT_GT(reserved_class, 0UL);
48 EXPECT_LE(reserved_class, reserved);
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