/*

 * 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);

  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);

  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);

  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);

  EXPECT_GT(committed_class, 0UL);

  EXPECT_LE(committed_class, committed);

}