/*

 * Copyright (c) 2014, 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.

 */

/**

 * JDK-8044798: API for debugging Nashorn

 *

 * @test

 * @run

 */

// basic API exercise checks

var Arrays = Java.type("java.util.Arrays");

var CharArray = Java.type("char[]");

var DebuggerSupport = Java.type("jdk.nashorn.internal.runtime.DebuggerSupport");

var DebuggerValueDesc = Java.type("jdk.nashorn.internal.runtime.DebuggerSupport.DebuggerValueDesc");

var valueDescFields = DebuggerValueDesc.class.declaredFields;

Arrays.sort(valueDescFields, function(f1, f2) f1.name.compareTo(f2.name));

for each (var f in valueDescFields) {

    f.accessible = true;

}

var debuggerSupportMethods = DebuggerSupport.class.declaredMethods;

// methods of DebuggerSupport that we use

var evalMethod, valueInfoMethod, valueInfosMethod;

var getSourceInfoMethod, valueAsStringMethod;

for each (var m in debuggerSupportMethods) {

    m.accessible = true;

    switch (m.name) {

        case "eval":

            evalMethod = m;

            break;

        case "valueInfo":

            if (m.parameterCount == 3) {

                valueInfoMethod = m;

            }

            break;

        case "valueInfos":

            valueInfosMethod = m;

            break;

        case "valueAsString":

            valueAsStringMethod = m;

            break;

        case "getSourceInfo":

            getSourceInfoMethod = m;

            break;

    }

}

// eval

var value = evalMethod.invoke(null, null, null, "33 + 55", false);

print(value);

// valueInfo

var info = valueInfoMethod.invoke(null, "apply", Function, true);

for each (var f in valueDescFields) {

    print(f.name, "=", f.get(info));

}

// valueInfo - user defined object

var info = valueInfoMethod.invoke(null, "foo", { foo: 343 }, true);

for each (var f in valueDescFields) {

    print(f.name, "=", f.get(info));

}

// valueInfos

var infos = valueInfosMethod.invoke(null, Object, true);

for each (var info in infos) {

    for each (var f in valueDescFields) {

        print(f.name, "=", f.get(info));

    }  

}

// valueInfos - user defined object

var infos = valueInfosMethod.invoke(null, { foo: 34, bar: "hello" }, true);

for each (var info in infos) {

    for each (var f in valueDescFields) {

        print(f.name, "=", f.get(info));

    }  

}

// valueAsString

function printValue(value) {

    print(valueAsStringMethod.invoke(null, value));

}

printValue(undefined);

printValue(null);

printValue("hello");

printValue(Math.PI);

printValue(this);

// The below are not part of DebuggerSupport. But we need these to

// test DebuggerSupport.getSourceInfo etc. which need compiled script class

var Source = Java.type("jdk.nashorn.internal.runtime.Source");

var Context = Java.type("jdk.nashorn.internal.runtime.Context");

var sourceCls = Source.class;

var errorMgrCls = Java.type("jdk.nashorn.internal.runtime.ErrorManager").class;

var booleanCls = Java.type("java.lang.Boolean").TYPE;

// private compile method of Context class

var compileMethod = Context.class.getDeclaredMethod("compile",

                sourceCls, errorMgrCls, booleanCls);

compileMethod.accessible = true;

var scriptCls = compileMethod.invoke(Context.context,

    Source.sourceFor("test", "print('hello')"),

    new Context.ThrowErrorManager(), false);

var SCRIPT_CLASS_NAME_PREFIX = "jdk.nashorn.internal.scripts.Script$";

print("script class name pattern satisfied? " +

    scriptCls.name.startsWith(SCRIPT_CLASS_NAME_PREFIX));

var srcInfo = getSourceInfoMethod.invoke(null, scriptCls);

var srcInfoFields = srcInfo.class.declaredFields;

Arrays.sort(srcInfoFields, function(f1, f2) f1.name.compareTo(f2.name));

print("Source info");

for each (var f in srcInfoFields) {

    f.accessible = true;

    var fieldValue = f.get(srcInfo);

    if (fieldValue instanceof CharArray) {

        fieldValue = new java.lang.String(fieldValue);

    }

    print(f.name, "=", fieldValue);

}