/*
 * 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.
 *
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 */

/**
 * @test
 * @library /test/lib
 * @requires vm.hasSAandCanAttach & os.family != "mac"
 * @modules jdk.hotspot.agent/sun.jvm.hotspot
 *          jdk.hotspot.agent/sun.jvm.hotspot.memory
 *          jdk.hotspot.agent/sun.jvm.hotspot.runtime
 *          jdk.hotspot.agent/sun.jvm.hotspot.utilities
 * @run main/othervm TestBitMapSegmented
 */

import jdk.test.lib.Asserts;

import sun.jvm.hotspot.utilities.BitMapSegmented;

public class TestBitMapSegmented {

  public static void testSize(long size) {
    System.out.println("Test: " + size);
    BitMapSegmented bitMap = new BitMapSegmented(size);

    for (long i = 0; i < size; i++) {
      bitMap.atPut(i, (i & 1) == 0);
    }

    for (long i = 0; i < size; i++) {
      Asserts.assertEquals(bitMap.at(i), (i & 1) == 0, "Must match");
    }
  }

  public static void main (String... args) throws Exception {
    testSize(BitMapSegmented.SegmentSize - 2);
    testSize(BitMapSegmented.SegmentSize - 1);
    testSize(BitMapSegmented.SegmentSize);
    testSize(BitMapSegmented.SegmentSize + 1);
    testSize(BitMapSegmented.SegmentSize + 2);

    testSize(BitMapSegmented.SegmentSize * 2 - 2);
    testSize(BitMapSegmented.SegmentSize * 2 - 1);
    testSize(BitMapSegmented.SegmentSize * 2);
    testSize(BitMapSegmented.SegmentSize * 2 + 1);
    testSize(BitMapSegmented.SegmentSize * 2 + 2);
  }
}