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); 50 } 51 52 TEST_VM(MetaspaceUtils, committed) { 53 size_t committed = MetaspaceUtils::committed_bytes(); 54 EXPECT_GT(committed, 0UL); 55 56 size_t reserved = MetaspaceUtils::reserved_bytes(); 57 EXPECT_LE(committed, reserved); 58 59 size_t committed_metadata = MetaspaceUtils::committed_bytes(Metaspace::NonClassType); 60 EXPECT_GT(committed_metadata, 0UL); 61 EXPECT_LE(committed_metadata, committed); 62 } 63 64 TEST_VM(MetaspaceUtils, committed_compressed_class_pointers) { 65 if (!UseCompressedClassPointers) { 66 return; 67 } 68 size_t committed = MetaspaceUtils::committed_bytes(); 69 EXPECT_GT(committed, 0UL); 70 71 size_t committed_class = MetaspaceUtils::committed_bytes(Metaspace::ClassType); 72 EXPECT_GT(committed_class, 0UL); 73 EXPECT_LE(committed_class, committed); 74 } 75