/*

 * Copyright (c) 2010, 2013, 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.

 */

/**

 * NASHORN-653 : Various problems with isTerminal and dead code generation from ASM

 *

 * @test

 * @run

 */

var script = "   \

function a() {   \

    return true; \

}                \

                 \

function b() {   \

    while (x) {      \

    return true; \

    }                \

}                    \

                     \

function c() {       \

    while (true) {   \

    return true; \

    }                \

 }                   \

                     \

function d() {       \

    do {             \

    return true; \

    } while (x);     \

} \

\

function f() {       \

    for (;;) {       \

    return true; \

    } \

} \

\

function e() { \

    for (;;) { \

    return true; \

    } \

} \

\

function g() { \

    for(;;) { \

    print('goes on and on and on ... '); \

    } \

    print('x'); \

} \

";

function runScriptEngine(opts, code) {

    var imports = new JavaImporter(

        Packages.jdk.nashorn.api.scripting,

        java.io, java.lang, java.util);

    with(imports) {

        var fac = new NashornScriptEngineFactory();

        // get current System.err

        var oldErr = System.err;

        var baos = new ByteArrayOutputStream();

        var newErr = new PrintStream(baos);

        try {

            // set new standard err

            System.setErr(newErr);

            var engine = fac.getScriptEngine(Java.to(opts, "java.lang.String[]"));

            engine.eval(code);

            newErr.flush();

            return new java.lang.String(baos.toByteArray());

        } finally {

            // restore System.err to old value

            System.setErr(oldErr);

        }

    }

}

var result = runScriptEngine([ "--print-code" ], script);

if (result.indexOf("NOP") != -1) {

    fail("ASM genenerates NOP*/ATHROW sequences - dead code is still in the script");

}