/*

 * Copyright (c) 2016, 2018, 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.

 */

package org.graalvm.compiler.core.test;

import org.junit.Test;

/**

 * Sometimes it's possible to emit a smaller read from a larger memory location instead reading the

 * whole thing and truncating it. Make sure it returns the right value.

 */

public class NarrowingReadTest extends GraalCompilerTest {

    public byte testNarrowReadSnippetByte(Long l) {

        return (byte) l.longValue();

    }

    @Test

    public void testNarrowReadByte() {

        test("testNarrowReadSnippetByte", Long.valueOf(Byte.MAX_VALUE));

    }

    public short testNarrowReadSnippetShort(Long l) {

        return (short) l.longValue();

    }

    @Test

    public void testNarrowReadShort() {

        test("testNarrowReadSnippetShort", Long.valueOf(Short.MAX_VALUE));

    }

    public int testNarrowReadSnippetInt(Long l) {

        return (int) l.longValue();

    }

    @Test

    public void testNarrowReadInt() {

        test("testNarrowReadSnippetInt", Long.valueOf(Integer.MAX_VALUE));

    }

    public long testNarrowReadSnippetIntToLong(Long l) {

        return (int) l.longValue();

    }

    @Test

    public void testNarrowReadIntToLong() {

        test("testNarrowReadSnippetIntToLong", Long.valueOf(Integer.MAX_VALUE));

    }

}