jaroslav@114: /**
jaroslav@114:  * Back 2 Browser Bytecode Translator
jaroslav@114:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@114:  *
jaroslav@114:  * This program is free software: you can redistribute it and/or modify
jaroslav@114:  * it under the terms of the GNU General Public License as published by
jaroslav@114:  * the Free Software Foundation, version 2 of the License.
jaroslav@114:  *
jaroslav@114:  * This program is distributed in the hope that it will be useful,
jaroslav@114:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@114:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@114:  * GNU General Public License for more details.
jaroslav@114:  *
jaroslav@114:  * You should have received a copy of the GNU General Public License
jaroslav@114:  * along with this program. Look for COPYING file in the top folder.
jaroslav@114:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@114:  */
jaroslav@114: package org.apidesign.vm4brwsr;
jaroslav@114: 
jaroslav@185: import java.io.ByteArrayInputStream;
jaroslav@185: import java.io.ByteArrayOutputStream;
jaroslav@185: import java.io.DataInputStream;
jaroslav@185: import java.io.DataOutputStream;
jaroslav@185: import java.io.IOException;
jaroslav@114: import javax.script.Invocable;
jaroslav@114: import javax.script.ScriptException;
jtulach@132: import static org.testng.Assert.*;
jaroslav@114: import org.testng.annotations.BeforeClass;
jaroslav@114: import org.testng.annotations.Test;
jaroslav@114: 
jaroslav@114: /**
jaroslav@114:  *
jaroslav@114:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@114:  */
jaroslav@114: public class NumberTest {
jaroslav@114:     @Test public void integerFromString() throws Exception {
jaroslav@114:         assertExec("Can convert string to integer", "java_lang_Integer_parseIntILjava_lang_String",
jaroslav@114:             Double.valueOf(333), "333"
jaroslav@114:         );
jaroslav@114:     }
jaroslav@114: 
jaroslav@114:     @Test public void doubleFromString() throws Exception {
jaroslav@114:         assertExec("Can convert string to double", "java_lang_Double_parseDoubleDLjava_lang_String",
jaroslav@114:             Double.valueOf(33.3), "33.3"
jaroslav@114:         );
jaroslav@114:     }
jaroslav@114: 
jaroslav@114:     @Test public void autoboxDouble() throws Exception {
jaroslav@114:         assertExec("Autoboxing of doubles is OK", "org_apidesign_vm4brwsr_Numbers_autoboxDblToStringLjava_lang_String",
jaroslav@114:             "3.3"
jaroslav@114:         );
jaroslav@114:     }
jtulach@132:     
jtulach@132:     @Test public void javalog1000() throws Exception {
jtulach@132:         assertEquals(3.0, Math.log10(1000.0), 0.00003, "log_10(1000) == 3");
jtulach@132:     }
jtulach@132: 
jtulach@132:     @Test public void jslog1000() throws Exception {
jtulach@132:         assertExec("log_10(1000) == 3", "java_lang_Math_log10DD", 
jtulach@132:             Double.valueOf(3.0), 1000.0
jtulach@132:         );
jtulach@132:     }
jaroslav@178:     
jaroslav@178:     @Test public void javaRem() {
jaroslav@178:         assertEquals(3, Numbers.rem(303, 10));
jaroslav@178:     }
jaroslav@178:     @Test public void jsRem() throws Exception {
jaroslav@178:         assertExec("Should be three", "org_apidesign_vm4brwsr_Numbers_remIII", 
jaroslav@178:             Double.valueOf(3.0), 303, 10
jaroslav@178:         );
jaroslav@178:     }
jaroslav@181:     
jaroslav@181:     @Test public void deserializeInt() throws Exception {
jaroslav@181:         int exp = Numbers.deserInt();
jaroslav@181:         assertExec("Should be the same", "org_apidesign_vm4brwsr_Numbers_deserIntI", 
jaroslav@181:             Double.valueOf(exp)
jaroslav@181:         );
jaroslav@181:     }
jaroslav@185: 
jaroslav@185:     @Test public void deserializeSimpleLong() throws Exception {
jaroslav@185:         assertExec("Should be 3454", "org_apidesign_vm4brwsr_Numbers_deserLongJAB", 
jaroslav@185:             Double.valueOf(3454), 
jaroslav@185:             new byte[] { (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)13, (byte)126 }
jaroslav@185:         );
jaroslav@185:     }
jaroslav@185:     /* XXX: JavaScript cannot represent as big longs as Java. 
jaroslav@185:     @Test public void deserializeLargeLong() throws Exception {
jaroslav@185:         final byte[] arr = new byte[] {
jaroslav@185:             (byte)64, (byte)8, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0
jaroslav@185:         };
jaroslav@185:         long exp = Numbers.deserLong(arr);
jaroslav@185:         assertExec("Should be " + exp, "org_apidesign_vm4brwsr_Numbers_deserLongJAB", 
jaroslav@185:             Double.valueOf(exp), arr);
jaroslav@185:     }
jaroslav@185:     */
jaroslav@181:     
jaroslav@181:     @Test public void deserializeFloatInJava() throws Exception {
jaroslav@181:         float f = 54324.32423f;
jaroslav@181:         float r = Numbers.deserFloat();
jaroslav@181:         assertEquals(r, f, "Floats are the same");
jaroslav@181:     }
jaroslav@181:     
jaroslav@181:     @Test public void deserializeFloatInJS() throws Exception {
jaroslav@181:         float f = 54324.32423f;
jaroslav@181:         assertExec("Should be the same", "org_apidesign_vm4brwsr_Numbers_deserFloatF", 
jaroslav@181:             Double.valueOf(f)
jaroslav@181:         );
jaroslav@181:     }
jaroslav@114: 
jaroslav@185:     @Test public void deserializeDoubleInJava() throws Exception {
jaroslav@185:         double f = 3.0;
jaroslav@185:         double r = Numbers.deserDouble();
jaroslav@185:         assertEquals(r, f, 0.001, "Doubles are the same");
jaroslav@185:     }
jaroslav@114:     
jaroslav@185:     @Test public void deserializeDoubleInJS() throws Exception {
jaroslav@185:         double f = 3.0;
jaroslav@185:         assertExec("Should be the same", "org_apidesign_vm4brwsr_Numbers_deserDoubleD", f);
jaroslav@185:     }
jaroslav@185:     /*
jaroslav@185:     @Test public void serDouble() throws IOException {
jaroslav@185:         double f = 3.0;
jaroslav@185:         ByteArrayOutputStream os = new ByteArrayOutputStream();
jaroslav@185:         DataOutputStream d = new DataOutputStream(os);
jaroslav@185:         d.writeLong(3454);
jaroslav@185:         d.close();
jaroslav@185:         
jaroslav@185:         StringBuilder sb = new StringBuilder();
jaroslav@185:         byte[] arr = os.toByteArray();
jaroslav@185:         for (int i = 0; i < arr.length; i++) {
jaroslav@185:             sb.append("(byte)").append(arr[i]).append(", ");
jaroslav@185:         }
jaroslav@185:         fail("" + sb);
jaroslav@185:     }
jaroslav@185: */    
jaroslav@114:     private static CharSequence codeSeq;
jaroslav@114:     private static Invocable code;
jaroslav@114: 
jaroslav@114:     @BeforeClass
jaroslav@114:     public void compileTheCode() throws Exception {
jaroslav@114:         if (codeSeq == null) {
jaroslav@114:             StringBuilder sb = new StringBuilder();
jaroslav@114:             code = StaticMethodTest.compileClass(sb, "org/apidesign/vm4brwsr/Numbers");
jaroslav@114:             codeSeq = sb;
jaroslav@114:         }
jaroslav@114:     }
jaroslav@114: 
jaroslav@114:     private static void assertExec(
jaroslav@114:         String msg, String methodName, Object expRes, Object... args) throws Exception {
jaroslav@114: 
jaroslav@114:         Object ret = null;
jaroslav@114:         try {
jaroslav@114:             ret = code.invokeFunction(methodName, args);
jaroslav@114:         } catch (ScriptException ex) {
jaroslav@114:             fail("Execution failed in\n" + codeSeq, ex);
jaroslav@114:         } catch (NoSuchMethodException ex) {
jaroslav@114:             fail("Cannot find method in\n" + codeSeq, ex);
jaroslav@114:         }
jaroslav@114:         if (ret == null && expRes == null) {
jaroslav@114:             return;
jaroslav@114:         }
jaroslav@114:         if (expRes.equals(ret)) {
jaroslav@114:             return;
jaroslav@114:         }
jtulach@132:         if (expRes instanceof Double && ret instanceof Double) {
jtulach@132:             double expD = ((Double)expRes).doubleValue();
jtulach@132:             double retD = ((Double)ret).doubleValue();
jtulach@132:             assertEquals(retD, expD, 0.000004, msg + " was " + ret + "\n" + codeSeq);
jtulach@132:             return;
jtulach@132:         }
jaroslav@114:         assertEquals(ret, expRes, msg + "was: " + ret + "\n" + codeSeq);
jaroslav@114:     }
jaroslav@114:     
jaroslav@114: }