/*
 * Copyright (c) 2007, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */


package org.graalvm.compiler.jtt.bytecode;

import org.junit.Test;

import org.graalvm.compiler.jtt.JTTTest;

/*
 */
public class BC_instanceof extends JTTTest {

    private static class TestClass {
    }

    static Object object2 = new Object();
    static Object object3 = "";
    static Object object4 = new TestClass();

    public static boolean test(int arg) {
        Object obj;
        if (arg == 2) {
            obj = object2;
        } else if (arg == 3) {
            obj = object3;
        } else if (arg == 4) {
            obj = object4;
        } else {
            obj = null;
        }
        return obj instanceof TestClass;
    }

    @Test
    public void run0() throws Throwable {
        runTest("test", 0);
    }

    @Test
    public void run1() throws Throwable {
        runTest("test", 1);
    }

    @Test
    public void run2() throws Throwable {
        runTest("test", 2);
    }

    @Test
    public void run3() throws Throwable {
        runTest("test", 3);
    }

    @Test
    public void run4() throws Throwable {
        runTest("test", 4);
    }

    // Checkstyle: stop
    // Need to stop checkstyle due to empty if constructs.
    public static boolean testEmpty(Object obj) {
        if (obj instanceof TestClass) {
        }

        if (!(obj instanceof TestClass)) {
        }
        return true;
    }
    // Checkstyle: resume

    @Test
    public void run5() throws Throwable {
        runTest("testEmpty", object2);
    }
}
