src/share/vm/utilities/chunkedList.cpp

/*
 * Copyright (c) 2014, 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 "utilities/chunkedList.hpp"
#include "utilities/debug.hpp"

/////////////// Unit tests ///////////////

#ifndef PRODUCT

template <typename T>
class TestChunkedList {
  typedef ChunkedList<T, mtOther> ChunkedListT;

 public:
  static void testEmpty() {
    ChunkedListT buffer;
    assert(buffer.size() == 0, "assert");
  }

  static void testFull() {
    ChunkedListT buffer;
    for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {
      buffer.push((T)i);
    }
    assert(buffer.size() == ChunkedListT::BufferSize, "assert");
    assert(buffer.is_full(), "assert");
  }

  static void testSize() {
    ChunkedListT buffer;
    for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {
      assert(buffer.size() == i, "assert");
      buffer.push((T)i);
      assert(buffer.size() == i + 1, "assert");
    }
  }

  static void testClear() {
    ChunkedListT buffer;

    buffer.clear();
    assert(buffer.size() == 0, "assert");

    for (uintptr_t i = 0; i < ChunkedListT::BufferSize / 2; i++) {
      buffer.push((T)i);
    }
    buffer.clear();
    assert(buffer.size() == 0, "assert");

    for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {
      buffer.push((T)i);
    }
    buffer.clear();
    assert(buffer.size() == 0, "assert");
  }

  static void testAt() {
    ChunkedListT buffer;

    for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {
      buffer.push((T)i);
      assert(buffer.at(i) == (T)i, "assert");
    }

    for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {
      assert(buffer.at(i) == (T)i, "assert");
    }
  }

  static void test() {
    testEmpty();
    testFull();
    testSize();
    testClear();
    testAt();
  }
};

class Metadata;

void TestChunkedList_test() {
  TestChunkedList<Metadata*>::test();
  TestChunkedList<size_t>::test();
}

#endif