/**

  * 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 static org.testng.Assert.*;

 import org.testng.annotations.AfterClass;

 import org.testng.annotations.BeforeClass;

 import org.testng.annotations.Test;

 /** Checks the basic behavior of the translator.

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 public class StaticMethodTest {

     @Test public void threePlusFour() throws Exception {

         assertExec(

             "Should be seven", 

             StaticMethod.class, "sum__III", 

             Double.valueOf(7), 

             3, 4

         );

     }

     @Test public void cast() throws Exception {

         assertExec(

             "Length is four", 

             StaticMethod.class, "castString__ILjava_lang_Object_2", 

             Double.valueOf(4), 

             "Ahoj"

         );

     }

     @Test public void checkReallyInitializedValues() throws Exception {

         assertExec(

             "Return true", 

             StaticMethod.class, "isNull__Z", 

             Double.valueOf(1)

         );

     }

     @Test public void powerOfThree() throws Exception {

         assertExec(

             "Should be nine", 

             StaticMethod.class, "power__FF", 

             Double.valueOf(9),

             3.0f

         );

     }

     @Test public void minusOne() throws Exception {

         assertExec(

             "Should be minus one", 

             StaticMethod.class, "minusOne__I", 

             Double.valueOf(-1)

         );

     }

     @Test public void doubleWithoutLong() throws Exception {

         assertExec(

             "Should be two",

             StaticMethod.class, "minus__DDJ", 

             Double.valueOf(2),

             3.0d, 1l

         );

     }

     @Test public void rintNegativeUp() throws Exception {

         final double cnts = -453904.634;

         assertExec(

             "Should round up to end with 5",

             Math.class, "rint__DD", 

             -453905.0, cnts

         );

     }

     @Test public void rintNegativeDown() throws Exception {

         final double cnts = -453904.434;

         assertExec(

             "Should round up to end with 4",

             Math.class, "rint__DD", 

             -453904.0, cnts

         );

     }

     @Test public void rintPositiveUp() throws Exception {

         final double cnts = 453904.634;

         assertExec(

             "Should round up to end with 5",

             Math.class, "rint__DD", 

             453905.0, cnts

         );

     }

     @Test public void rintPositiveDown() throws Exception {

         final double cnts = 453904.434;

         assertExec(

             "Should round up to end with 4",

             Math.class, "rint__DD", 

             453904.0, cnts

         );

     }

     @Test public void rintOneHalf() throws Exception {

         final double cnts = 1.5;

         assertExec(

             "Should round up to end with 2",

             Math.class, "rint__DD", 

             2.0, cnts

         );

     }

     @Test public void rintNegativeOneHalf() throws Exception {

         final double cnts = -1.5;

         assertExec(

             "Should round up to end with 2",

             Math.class, "rint__DD", 

             -2.0, cnts

         );

     }

     @Test public void rintTwoAndHalf() throws Exception {

         final double cnts = 2.5;

         assertExec(

             "Should round up to end with 2",

             Math.class, "rint__DD", 

             2.0, cnts

         );

     }

     @Test public void rintNegativeTwoOneHalf() throws Exception {

         final double cnts = -2.5;

         assertExec(

             "Should round up to end with 2",

             Math.class, "rint__DD", 

             -2.0, cnts

         );

     }

     @Test public void ieeeReminder1() throws Exception {

         assertExec(

             "Same result 1",

             Math.class, "IEEEremainder__DDD", 

             Math.IEEEremainder(10.0, 4.5), 10.0, 4.5

         );

     }

     @Test public void ieeeReminder2() throws Exception {

         assertExec(

             "Same result 1",

             Math.class, "IEEEremainder__DDD", 

             Math.IEEEremainder(Integer.MAX_VALUE, -4.5), Integer.MAX_VALUE, -4.5

         );

     }

     @Test public void divAndRound() throws Exception {

         assertExec(

             "Should be rounded to one",

             StaticMethod.class, "div__IBD", 

             Double.valueOf(1),

             3, 3.75

         );

     }

     @Test public void inflaterInit() throws Exception {

         assertExec(

             "Down and minus",

             StaticMethod.class, "initInflater__IIZ",

             Double.valueOf(-9),

             10, true

         );

     }

     @Test public void inflaterInitNoNeg() throws Exception {

         assertExec(

             "One up",

             StaticMethod.class, "initInflater__IIZ",

             Double.valueOf(11),

             10, false

         );

     }

     @Test public void mixedMethodFourParams() throws Exception {

         assertExec(

             "Should be two",

             StaticMethod.class, "mix__IIJBD", 

             Double.valueOf(20),

             2, 10l, 5, 2.0

         );

     }

     @Test public void factRec() throws Exception {

         assertExec(

             "Factorial of 5 is 120",

             StaticMethod.class, "factRec__JI", 

             Double.valueOf(120),

             5

         );

     }

     @Test public void factIter() throws Exception {

         assertExec(

             "Factorial of 5 is 120",

             StaticMethod.class, "factIter__JI", 

             Double.valueOf(120),

             5

         );

     }

     @Test public void xor() throws Exception {

         assertExec(

             "Xor is 4",

             StaticMethod.class, "xor__JIJ",

             Double.valueOf(4),

             7,

             3

         );

     }

     @Test public void collectionToString() throws Exception {

         String exp = StaticMethod.toStringArr();

         assertExec(

             "0 to 4",

             StaticMethod.class, "toStringArr__Ljava_lang_String_2",

             exp

         );

     }

     @Test public void or() throws Exception {

         assertExec(

             "Or will be 7",

             StaticMethod.class, "orOrAnd__JZII",

             Double.valueOf(7),

             true,

             4,

             3

         );

     }

     @Test public void nullCheck() throws Exception {

         assertExec(

             "Returns nothing",

             StaticMethod.class, "none__Ljava_lang_Object_2II",

             null, 1, 3

         );

     }

     @Test public void and() throws Exception {

         assertExec(

             "And will be 3",

             StaticMethod.class, "orOrAnd__JZII",

             Double.valueOf(3),

             false,

             7,

             3

         );

     }

     @Test public void inc4() throws Exception {

         assertExec(

             "It will be 4",

             StaticMethod.class, "inc4__I",

             Double.valueOf(4)

         );

     }

     @Test public void shiftLeftInJava() throws Exception {

         int res = StaticMethod.shiftLeft(1, 8);

         assertEquals(res, 256);

     }

     @Test public void shiftLeftInJS() throws Exception {

         assertExec(

             "Setting 9th bit",

             StaticMethod.class, "shiftLeft__III",

             Double.valueOf(256),

             1, 8

         );

     }

     @Test public void shiftRightInJava() throws Exception {

         int res = StaticMethod.shiftArithmRight(-8, 3, true);

         assertEquals(res, -1);

     }

     @Test public void shiftRightInJS() throws Exception {

         assertExec(

             "Get -1",

             StaticMethod.class, "shiftArithmRight__IIIZ",

             Double.valueOf(-1),

             -8, 3, true

         );

     }

     @Test public void unsignedShiftRightInJava() throws Exception {

         int res = StaticMethod.shiftArithmRight(8, 3, false);

         assertEquals(res, 1);

     }

     @Test public void unsignedShiftRightInJS() throws Exception {

         assertExec(

             "Get -1",

             StaticMethod.class, "shiftArithmRight__IIIZ",

             Double.valueOf(1),

             8, 3, false

         );

     }

     @Test public void javaScriptBody() throws Exception {

         assertExec(

             "JavaScript string",

             StaticMethod.class, "i2s__Ljava_lang_String_2II",

             "333",

             330, 3

         );

     }

     @Test public void switchJarda() throws Exception {

         assertExec(

             "The expected value",

             StaticMethod.class, "swtch__Ljava_lang_String_2I",

             "Jarda",

             0

         );

     }

     @Test public void switchDarda() throws Exception {

         assertExec(

             "The expected value",

             StaticMethod.class, "swtch__Ljava_lang_String_2I",

             "Darda",

             1

         );

     }

     @Test public void switchParda() throws Exception {

         assertExec(

             "The expected value",

             StaticMethod.class, "swtch2__Ljava_lang_String_2I",

             "Parda",

             22

         );

     }

     @Test public void switchMarda() throws Exception {

         assertExec(

             "The expected value",

             StaticMethod.class, "swtch__Ljava_lang_String_2I",

             "Marda",

             -433

         );

     }

     @Test public void checkNullCast() throws Exception {

         assertExec("Null can be cast to any type",

             StaticMethod.class, "castNull__Ljava_lang_String_2Z", 

             null, true

         );

     }

     @Test public void stringConstantIsCopied() throws Exception {

         assertExec("String constants are copied between class pools",

             StaticMethod.class, "helloWorldLength__ILjava_lang_String_2", 

             17, "Jardo"

         );

     }

     private static TestVM code;

     @BeforeClass 

     public static void compileTheCode() throws Exception {

         StringBuilder sb = new StringBuilder();

         code = TestVM.compileClass(sb, "org/apidesign/vm4brwsr/StaticMethod");

     }

     @AfterClass

     public static void releaseTheCode() {

         code = null;

     }

     private void assertExec(

         String msg, Class<?> clazz, String method, 

         Object ret, Object... args

     ) throws Exception {

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

     }

 }