--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/gtest/metaspace/test_metaspaceUtils.cpp Tue Sep 10 09:24:05 2019 +0200
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2019, SAP SE. All rights reserved.
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "precompiled.hpp"
+#include "memory/metaspace.hpp"
+#include "unittest.hpp"
+
+
+TEST_VM(MetaspaceUtils, reserved) {
+ size_t reserved = MetaspaceUtils::reserved_bytes();
+ EXPECT_GT(reserved, 0UL);
+
+ size_t reserved_metadata = MetaspaceUtils::reserved_bytes(metaspace::NonClassType);
+ EXPECT_GT(reserved_metadata, 0UL);
+ EXPECT_LE(reserved_metadata, reserved);
+}
+
+TEST_VM(MetaspaceUtils, reserved_compressed_class_pointers) {
+ if (!UseCompressedClassPointers) {
+ return;
+ }
+ size_t reserved = MetaspaceUtils::reserved_bytes();
+ EXPECT_GT(reserved, 0UL);
+
+ size_t reserved_class = MetaspaceUtils::reserved_bytes(metaspace::ClassType);
+ EXPECT_GT(reserved_class, 0UL);
+ EXPECT_LE(reserved_class, reserved);
+}
+
+TEST_VM(MetaspaceUtils, committed) {
+ size_t committed = MetaspaceUtils::committed_bytes();
+ EXPECT_GT(committed, 0UL);
+
+ size_t reserved = MetaspaceUtils::reserved_bytes();
+ EXPECT_LE(committed, reserved);
+
+ size_t committed_metadata = MetaspaceUtils::committed_bytes(metaspace::NonClassType);
+ EXPECT_GT(committed_metadata, 0UL);
+ EXPECT_LE(committed_metadata, committed);
+}
+
+TEST_VM(MetaspaceUtils, committed_compressed_class_pointers) {
+ if (!UseCompressedClassPointers) {
+ return;
+ }
+ size_t committed = MetaspaceUtils::committed_bytes();
+ EXPECT_GT(committed, 0UL);
+
+ size_t committed_class = MetaspaceUtils::committed_bytes(metaspace::ClassType);
+ EXPECT_GT(committed_class, 0UL);
+ EXPECT_LE(committed_class, committed);
+}
+