/*

 * Copyright (c) 2017, 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 "gc/z/zBitField.hpp"

#include "unittest.hpp"

TEST(ZBitFieldTest, test) {

  typedef ZBitField<uint64_t, bool,      0,  1>    field_bool;

  typedef ZBitField<uint64_t, uint8_t,   1,  8>    field_uint8;

  typedef ZBitField<uint64_t, uint16_t,  2, 16>    field_uint16;

  typedef ZBitField<uint64_t, uint32_t, 32, 32>    field_uint32;

  typedef ZBitField<uint64_t, uint64_t,  0, 63>    field_uint64;

  typedef ZBitField<uint64_t, void*,     1, 61, 3> field_pointer;

  uint64_t entry;

  {

    const bool value = false;

    entry = field_bool::encode(value);

    EXPECT_EQ(field_bool::decode(entry), value) << "Should be equal";

  }

  {

    const bool value = true;

    entry = field_bool::encode(value);

      EXPECT_EQ(field_bool::decode(entry), value) << "Should be equal";

  }

  {

    const uint8_t value = ~(uint8_t)0;

    entry = field_uint8::encode(value);

    EXPECT_EQ(field_uint8::decode(entry), value) << "Should be equal";

  }

  {

    const uint16_t value = ~(uint16_t)0;

    entry = field_uint16::encode(value);

    EXPECT_EQ(field_uint16::decode(entry), value) << "Should be equal";

  }

  {

    const uint32_t value = ~(uint32_t)0;

    entry = field_uint32::encode(value);

    EXPECT_EQ(field_uint32::decode(entry), value) << "Should be equal";

  }

  {

    const uint64_t value = ~(uint64_t)0 >> 1;

    entry = field_uint64::encode(value);

    EXPECT_EQ(field_uint64::decode(entry), value) << "Should be equal";

  }

  {

    void* const value = (void*)(~(uintptr_t)0 << 3);

    entry = field_pointer::encode(value);

    EXPECT_EQ(field_pointer::decode(entry), value) << "Should be equal";

  }

}