/*

 * Copyright (c) 2011, 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.

 */

/*

 * @test

 *

 * @summary converted from VM Testbase vm/mlvm/meth/func/java/throwException.

 * VM Testbase keywords: [feature_mlvm, quarantine]

 * VM Testbase readme:

 * DESCRIPTION

 *     The test creates a sequence of MHs (see vm/mlvm/mh/func/sequences test for details)

 *     and throws an exception from the latest test of this sequence and verifies that

 *     the exception is passed correctly.

 *

 * @library /vmTestbase

 *          /test/lib

 * @run driver jdk.test.lib.FileInstaller . .

 *

 * @comment build test class and indify classes

 * @build vm.mlvm.meth.func.java.throwException.Test

 * @run driver vm.mlvm.share.IndifiedClassesBuilder

 *

 * @run main/othervm vm.mlvm.meth.func.java.throwException.Test

 */

package vm.mlvm.meth.func.java.throwException;

import java.lang.invoke.MethodHandle;

import java.lang.invoke.MethodHandles;

import java.lang.invoke.MethodType;

import vm.mlvm.meth.share.Argument;

import vm.mlvm.meth.share.MHTransformationGen;

import vm.mlvm.meth.share.RandomArgumentGen;

import vm.mlvm.meth.share.RandomArgumentsGen;

import vm.mlvm.meth.share.transform.v2.MHMacroTF;

import vm.mlvm.share.MlvmTest;

public class Test extends MlvmTest {

    public static void main(String[] args) { MlvmTest.launch(args); }

    public static class Example {

        private Throwable t;

        public Example(Throwable t) {

            this.t = t;

        }

        public Object m0(int i, String s, Float f) {

            RuntimeException re = new RuntimeException("Good luck!");

            re.initCause(this.t);

            throw re;

        }

    }

    @Override

    public boolean run() throws Throwable {

        final RuntimeException requiredException = new RuntimeException("test");

        final Example e = new Example(requiredException);

        final MethodHandle mh = MethodHandles.lookup().findVirtual(

                Example.class, "m0",

                MethodType.methodType(Object.class, int.class, String.class, Float.class));

        Argument[] finalArgs = RandomArgumentsGen.createRandomArgs(true, mh.type());

        Argument retVal = RandomArgumentGen.next(mh.type().returnType());

        retVal.setPreserved(true);

        MHMacroTF seq = MHTransformationGen.createSequence(retVal, e, mh, finalArgs);

        try {

            MHTransformationGen.callSequence(seq, false);

            getLog().complain("Did not catch a required exception!");

            return false;

        } catch ( Throwable t ) {

            while ( t != null && t instanceof Exception ) {

                t = t.getCause();

                if ( t.equals(requiredException) ) {

                    getLog().display("Got a proper exception:");

                    t.printStackTrace(getLog().getOutStream());

                    return true;

                }

            }

            getLog().complain("Got wrong exception!");

            t.printStackTrace(getLog().getOutStream());

            return false;

        }

    }

}