/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 2 of the License.

  *

  * This program 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 for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://opensource.org/licenses/GPL-2.0.

  */

 package org.apidesign.vm4brwsr;

 import javax.script.ScriptException;

 import static org.testng.Assert.*;

 import org.testng.annotations.AfterClass;

 import org.testng.annotations.BeforeClass;

 import org.testng.annotations.Test;

 /**

  *

  * @author Tomas Zezula <tzezula@netbeans.org>

  */

 public class ExceptionsTest {

     @Test

     public void verifyMethodWithTryCatchNoThrow() throws Exception {

             assertExec(

                     "No throw",

                     Exceptions.class,

                     "methodWithTryCatchNoThrow__I",

                     new Double(1.0));

     }

     @Test

     public void catchJavaScriptStringAsThrowable() throws Exception {

         assertExec(

             "Throw hello!",

             Exceptions.class,

             "catchThrowableCatchesAll__Ljava_lang_String_2",

             "Hello!"

         );

     }

     @Test

     public void verifyMethodWithTryCatchThrow() throws Exception {

             assertExec(

                     "Throw",

                     Exceptions.class,

                     "methodWithTryCatchThrow__I",

                     new Double(2.0));

     }

     @Test public void createObject() throws Exception {

         assertExec("Object created", Exceptions.class, 

             "newInstance__Ljava_lang_String_2Ljava_lang_String_2",

             "java.lang.Object",

             "java.lang.Object"

         );

     }

     @Test public void createFloatFails() throws Exception {

         assertExec("Float not created", Exceptions.class, 

             "newInstance__Ljava_lang_String_2Ljava_lang_String_2",

             "java.lang.Float",

             "java.lang.Float"

         );

     }

     @Test public void createUnknownFails() throws Exception {

         assertExec("Object created", Exceptions.class, 

             "newInstance__Ljava_lang_String_2Ljava_lang_String_2",

             "CNFE:org.apidesign.Unknown",

             "org.apidesign.Unknown"

         );

     }

     @Test public void testThreeCalls() throws Exception {

         Object clazz = code.loadClass("loadClass", Exceptions.class.getName());

         String method = "readCounter__ILjava_lang_String_2";

         try {

             Object ret = code.invokeMethod(clazz, method, "org.apidesign.Unknown");

             fail("We expect an CNFE!");

         } catch (ScriptException scriptException) {

             // script exception should be OK

         }

         {

             // 2nd invocation

             Object ret = code.invokeMethod(clazz, method, "java.lang.String");

             assertTrue(ret instanceof Number, "Is number: " + ret);

             assertEquals(((Number)ret).doubleValue(), 2.0);

         }

         {

             // 3rd invocation

             Object ret = code.invokeMethod(clazz, method, "java.lang.Integer");

             assertTrue(ret instanceof Number, "Is number: " + ret);

             assertEquals(((Number)ret).doubleValue(), 3.0);

         }

     }

     private static TestVM code;

     @BeforeClass 

     public void compileTheCode() throws Exception {

         code = TestVM.compileClass("org/apidesign/vm4brwsr/Exceptions");

     }

     @AfterClass

     public static void releaseTheCode() {

         code = null;

     }

     private static void assertExec(String msg, Class clazz, String method, Object expRes, Object... args) throws Exception {

         code.assertExec(msg, clazz, method, expRes, args);

     }

 }