hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/optimize/BoxingIdentity.java

/*
 * Copyright (c) 2009, 2012, 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
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 * questions.
 */
package org.graalvm.compiler.jtt.optimize;

import org.junit.Test;

import org.graalvm.compiler.jtt.JTTTest;

public class BoxingIdentity extends JTTTest {
    interface ArrayMirror {
        Object get(int i);
    }

    static class IntArray implements ArrayMirror {
        final int[] array;

        IntArray() {
            this.array = new int[8];
        }

        @Override
        public Object get(int i) {
            return array[i];
        }
    }

    public int testIntArray(Object m) {
        ArrayMirror a = new IntArray();
        if (a.get(0) != m) {
            return 42;
        }
        return 41;
    }

    @Test
    public void runIntArray() {
        runTest("testIntArray", 0);
        runTest("testIntArray", 1);
    }

    public boolean isTrue(Object obj) {
        return obj == Boolean.valueOf(true);
    }

    @Test
    public void runIsTrue() {
        runTest("isTrue", true);
        runTest("isTrue", false);
    }
}