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vm/src/test/java/org/apidesign/vm4brwsr/NumberTest.java
author Martin Soch <Martin.Soch@oracle.com>
Thu, 31 Jan 2013 20:37:12 +0100
brancharithmetic
changeset 628 e606853325f1
parent 627 4c2b92281cdc
child 629 2d537f8cd604
permissions -rw-r--r--
Long binary XOR implementation + tests 
     1 /**

     2  * Back 2 Browser Bytecode Translator

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

     4  *

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

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

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

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

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

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

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

    17  */

    18 package org.apidesign.vm4brwsr;

    19 

    20 import javax.script.Invocable;

    21 import javax.script.ScriptException;

    22 import static org.testng.Assert.*;

    23 import org.testng.annotations.BeforeClass;

    24 import org.testng.annotations.Test;

    25 

    26 /**

    27  *

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

    29  */

    30 public class NumberTest {

    31     @Test public void integerFromString() throws Exception {

    32         assertExec("Can convert string to integer", Integer.class, "parseInt__ILjava_lang_String_2",

    33             Double.valueOf(333), "333"

    34         );

    35     }

    36 

    37     @Test public void doubleFromString() throws Exception {

    38         assertExec("Can convert string to double", Double.class, "parseDouble__DLjava_lang_String_2",

    39             Double.valueOf(33.3), "33.3"

    40         );

    41     }

    42 

    43     @Test public void autoboxDouble() throws Exception {

    44         assertExec("Autoboxing of doubles is OK", Numbers.class, "autoboxDblToString__Ljava_lang_String_2",

    45             "3.3"

    46         );

    47     }

    48     

    49     @Test public void javalog1000() throws Exception {

    50         assertEquals(3.0, Math.log10(1000.0), 0.00003, "log_10(1000) == 3");

    51     }

    52 

    53     @Test public void jslog1000() throws Exception {

    54         assertExec("log_10(1000) == 3", Math.class, "log10__DD", 

    55             Double.valueOf(3.0), 1000.0

    56         );

    57     }

    58     

    59     @Test public void javaRem() {

    60         assertEquals(3, Numbers.rem(303, 10));

    61     }

    62     @Test public void jsRem() throws Exception {

    63         assertExec("Should be three", Numbers.class, "rem__III", 

    64             Double.valueOf(3.0), 303, 10

    65         );

    66     }

    67     

    68     @Test public void deserializeInt() throws Exception {

    69         int exp = Numbers.deserInt();

    70         assertExec("Should be the same", Numbers.class, "deserInt__I", 

    71             Double.valueOf(exp)

    72         );

    73     }

    74 

    75     @Test public void deserializeSimpleLong() throws Exception {

    76         assertExec("Should be 3454", Numbers.class, "deserLong__J_3B", 

    77             Double.valueOf(3454), 

    78             new byte[] { (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)13, (byte)126 }

    79         );

    80     }

    81     /* XXX: JavaScript cannot represent as big longs as Java. 

    82     @Test public void deserializeLargeLong() throws Exception {

    83         final byte[] arr = new byte[] {

    84             (byte)64, (byte)8, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0

    85         };

    86         long exp = Numbers.deserLong(arr);

    87         assertExec("Should be " + exp, "org_apidesign_vm4brwsr_Numbers_deserLong__JAB", 

    88             Double.valueOf(exp), arr);

    89     }

    90     */

    91     

    92     @Test public void deserializeFloatInJava() throws Exception {

    93         float f = 54324.32423f;

    94         float r = Numbers.deserFloat();

    95         assertEquals(r, f, "Floats are the same");

    96     }

    97     

    98     @Test public void deserializeFloatInJS() throws Exception {

    99         float f = 54324.32423f;

   100         assertExec("Should be the same", Numbers.class, "deserFloat__F", 

   101             Double.valueOf(f)

   102         );

   103     }

   104 

   105     @Test public void deserializeDoubleInJava() throws Exception {

   106         double f = 3.0;

   107         double r = Numbers.deserDouble();

   108         assertEquals(r, f, 0.001, "Doubles are the same");

   109     }

   110     

   111     @Test public void deserializeDoubleInJS() throws Exception {

   112         double f = 3.0;

   113         assertExec("Should be the same", Numbers.class, "deserDouble__D", f);

   114     }

   115     /*

   116     @Test public void serDouble() throws IOException {

   117         double f = 3.0;

   118         ByteArrayOutputStream os = new ByteArrayOutputStream();

   119         DataOutputStream d = new DataOutputStream(os);

   120         d.writeLong(3454);

   121         d.close();

   122         

   123         StringBuilder sb = new StringBuilder();

   124         byte[] arr = os.toByteArray();

   125         for (int i = 0; i < arr.length; i++) {

   126             sb.append("(byte)").append(arr[i]).append(", ");

   127         }

   128         fail("" + sb);

   129     }

   130 */    

   131     @Test public void fiveInStringJS() throws Exception {

   132         String s = Numbers.intToString();

   133         assertExec("Should be the same: " + s, 

   134             Numbers.class, "intToString__Ljava_lang_String_2", 

   135             s

   136         );

   137     }

   138 

   139     @Test public void sevenInStringJS() throws Exception {

   140         String s = Numbers.floatToString();

   141         assertExec("Should be the same: " + s, 

   142             Numbers.class, "floatToString__Ljava_lang_String_2", 

   143             s

   144         );

   145     }

   146     

   147     @Test public void longConversion() throws Exception {

   148         assertExec("Long from cPool",

   149             Numbers.class, "conversionL__J", 

   150             Double.valueOf(Long.MAX_VALUE)

   151         );

   152     }

   153     

   154     @Test public void longAddOverflow() throws Exception {

   155         final long res = Long.MAX_VALUE + 1l;

   156         assertExec("Addition 1+MAX",

   157             Numbers.class, "addL__J_3B_3B", 

   158             Double.valueOf(res),

   159                 new byte[] { (byte)0x7f, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff },

   160                 new byte[] { (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)1 }

   161         );

   162     }

   163     

   164     @Test public void longAddMaxAndMax() throws Exception {

   165         final long res = Long.MAX_VALUE + Long.MAX_VALUE;

   166         assertExec("Addition MAX+MAX",

   167             Numbers.class, "addL__J_3B_3B", 

   168             Double.valueOf(res),

   169             new byte[] { (byte)0x7f, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff },

   170             new byte[] { (byte)0x7f, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff }

   171         );

   172     }

   173     

   174     @Test public void longSubUnderflow() throws Exception {

   175         final long res = Long.MIN_VALUE - 1l;

   176         assertExec("Subtraction MIN-1",

   177             Numbers.class, "subL__J_3B_3B", 

   178             Double.valueOf(res),

   179                 new byte[] { (byte)0x80, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00 },

   180                 new byte[] { (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)1 }

   181         );

   182     }

   183     

   184     @Test public void longSubMinAndMin() throws Exception {

   185         final long res = Long.MIN_VALUE - Long.MIN_VALUE;

   186         assertExec("Subtraction MIN-MIN",

   187             Numbers.class, "subL__J_3B_3B", 

   188             Double.valueOf(res),

   189             new byte[] { (byte)0x80, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00 },

   190             new byte[] { (byte)0x80, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00 }

   191         );

   192     }

   193     

   194     @Test public void longSubMinAndMax() throws Exception {

   195         final long res = Long.MIN_VALUE - Long.MAX_VALUE;

   196         assertExec("Subtraction MIN-MAX",

   197             Numbers.class, "subL__J_3B_3B", 

   198             Double.valueOf(res),

   199             new byte[] { (byte)0x80, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00 },

   200             new byte[] { (byte)0x7f, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff }

   201         );

   202     }

   203     

   204     @Test public void longShiftL1() throws Exception {

   205         final long res = 0x00fa37d7763e0ca1l << 5;

   206         assertExec("Long << 5",

   207             Numbers.class, "shlL__J_3BI", 

   208             Double.valueOf(res),

   209                 new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   210                 5);

   211     }

   212     

   213     @Test public void longShiftL2() throws Exception {

   214         final long res = 0x00fa37d7763e0ca1l << 32;

   215         assertExec("Long << 32",

   216             Numbers.class, "shlL__J_3BI", 

   217             Double.valueOf(res),

   218                 new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   219                 32);

   220     }

   221     

   222     @Test public void longShiftL3() throws Exception {

   223         final long res = 0x00fa37d7763e0ca1l << 45;

   224         assertExec("Long << 45",

   225             Numbers.class, "shlL__J_3BI", 

   226             Double.valueOf(res),

   227                 new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   228                 45);

   229     }

   230     

   231     @Test public void longShiftR1() throws Exception {

   232         final long res = 0x00fa37d7763e0ca1l >> 5;

   233         assertExec("Long >> 5",

   234             Numbers.class, "shrL__J_3BI", 

   235             Double.valueOf(res),

   236                 new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   237                 5);

   238     }

   239     

   240     @Test public void longShiftR2() throws Exception {

   241         final long res = 0x00fa37d7763e0ca1l >> 32;

   242         assertExec("Long >> 32",

   243             Numbers.class, "shrL__J_3BI", 

   244             Double.valueOf(res),

   245                 new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   246                 32);

   247     }

   248     

   249     @Test public void longShiftR3() throws Exception {

   250         final long res = 0x00fa37d7763e0ca1l >> 45;

   251         assertExec("Long >> 45",

   252             Numbers.class, "shrL__J_3BI", 

   253             Double.valueOf(res),

   254                 new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   255                 45);

   256     }

   257     

   258     @Test public void longAnd() throws Exception {

   259         final long res = 0x00fa37d7763e0ca1l & 0xa7b3432fff00123el;

   260         assertExec("LOng binary AND",

   261             Numbers.class, "andL__J_3B_3B", 

   262             Double.valueOf(res),

   263             new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   264             new byte[] { (byte)0xa7, (byte)0xb3, (byte)0x43, (byte)0x2f, (byte)0xff, (byte)0x00, (byte)0x12, (byte)0x3e }

   265         );

   266     }

   267     

   268     @Test public void longOr() throws Exception {

   269         final long res = 0x00fa37d7763e0ca1l | 0xa7b3432fff00123el;

   270         assertExec("Long binary OR",

   271             Numbers.class, "orL__J_3B_3B", 

   272             Double.valueOf(res),

   273             new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   274             new byte[] { (byte)0xa7, (byte)0xb3, (byte)0x43, (byte)0x2f, (byte)0xff, (byte)0x00, (byte)0x12, (byte)0x3e }

   275         );

   276     }

   277     

   278     @Test public void longXor1() throws Exception {

   279         final long res = 0x00fa37d7763e0ca1l ^ 0xa7b3432fff00123el;

   280         assertExec("Long binary XOR",

   281             Numbers.class, "xorL__J_3B_3B", 

   282             Double.valueOf(res),

   283             new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   284             new byte[] { (byte)0xa7, (byte)0xb3, (byte)0x43, (byte)0x2f, (byte)0xff, (byte)0x00, (byte)0x12, (byte)0x3e }

   285         );

   286     }

   287     

   288     @Test public void longXor2() throws Exception {

   289         final long res = 0x00fa37d7763e0ca1l ^ 0x00000000ff00123el;

   290         assertExec("Long binary XOR",

   291             Numbers.class, "xorL__J_3B_3B", 

   292             Double.valueOf(res),

   293             new byte[] { (byte)0x00, (byte)0xfa, (byte)0x37, (byte)0xd7, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   294             new byte[] { (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0xff, (byte)0x00, (byte)0x12, (byte)0x3e }

   295         );

   296     }

   297     

   298     @Test public void longXor3() throws Exception {

   299         final long res = 0x00000000763e0ca1l ^ 0x00000000ff00123el;

   300         assertExec("Long binary XOR",

   301             Numbers.class, "xorL__J_3B_3B", 

   302             Double.valueOf(res),

   303             new byte[] { (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x76, (byte)0x3e, (byte)0x0c, (byte)0xa1 },

   304             new byte[] { (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0xff, (byte)0x00, (byte)0x12, (byte)0x3e }

   305         );

   306     }

   307     

   308     private static CharSequence codeSeq;

   309     private static Invocable code;

   310 

   311     @BeforeClass

   312     public void compileTheCode() throws Exception {

   313         if (codeSeq == null) {

   314             StringBuilder sb = new StringBuilder();

   315             code = StaticMethodTest.compileClass(sb, "org/apidesign/vm4brwsr/Numbers");

   316             codeSeq = sb;

   317         }

   318     }

   319 

   320     private static void assertExec(

   321         String msg, Class<?> clazz, String method, Object expRes, Object... args) throws Exception

   322     {

   323         Object ret = TestUtils.execCode(code, codeSeq, msg, clazz, method, expRes, args);

   324         if (ret == null) {

   325             return;

   326         }

   327         if (expRes instanceof Double && ret instanceof Double) {

   328             double expD = ((Double)expRes).doubleValue();

   329             double retD = ((Double)ret).doubleValue();

   330             assertEquals(retD, expD, 0.000004, msg + " "

   331                     + StaticMethodTest.dumpJS(codeSeq));

   332             return;

   333         }

   334         assertEquals(ret, expRes, msg + " " + StaticMethodTest.dumpJS(codeSeq));

   335     }

   336     

   337 }
hg/bck2brwsr