1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/VMinVMTest.java	Tue Feb 26 16:54:16 2013 +0100
     1.3 @@ -0,0 +1,87 @@
     1.4 +/**
     1.5 + * Back 2 Browser Bytecode Translator
     1.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License as published by
    1.10 + * the Free Software Foundation, version 2 of the License.
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 + * GNU General Public License for more details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU General Public License
    1.18 + * along with this program. Look for COPYING file in the top folder.
    1.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
    1.20 + */
    1.21 +package org.apidesign.vm4brwsr;
    1.22 +
    1.23 +import java.io.File;
    1.24 +import java.io.FileWriter;
    1.25 +import java.io.IOException;
    1.26 +import static org.testng.Assert.*;
    1.27 +import org.testng.annotations.BeforeClass;
    1.28 +import org.testng.annotations.Test;
    1.29 +
    1.30 +/**
    1.31 + *
    1.32 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.33 + */
    1.34 +public class VMinVMTest {
    1.35 +    private static TestVM code;
    1.36 +    
    1.37 +    @Test public void compareGeneratedCodeForArrayClass() throws Exception {
    1.38 +        compareCode("org/apidesign/vm4brwsr/Array.class");
    1.39 +    }
    1.40 +
    1.41 +    @Test public void compareGeneratedCodeForClassesClass() throws Exception {
    1.42 +        compareCode("org/apidesign/vm4brwsr/Classes.class");
    1.43 +    }
    1.44 +
    1.45 +    @BeforeClass
    1.46 +    public void compileTheCode() throws Exception {
    1.47 +        code = TestVM.compileClass("org/apidesign/vm4brwsr/VMinVM");
    1.48 +    }
    1.49 +    
    1.50 +    private void compareCode(final String nm) throws Exception, IOException {
    1.51 +        byte[] arr = BytesLoader.readClass(nm);
    1.52 +        String ret1 = VMinVM.toJavaScript(arr);
    1.53 +        
    1.54 +        Object ret;
    1.55 +        try {
    1.56 +            ret = code.invokeFunction("bck2brwsr");
    1.57 +            ret = code.invokeMethod(ret, "loadClass", VMinVM.class.getName());
    1.58 +            ret = code.invokeMethod(ret, "toJavaScript__Ljava_lang_String_2_3B", arr);
    1.59 +        } catch (Exception ex) {
    1.60 +            File f = File.createTempFile("execution", ".js");
    1.61 +            FileWriter w = new FileWriter(f);
    1.62 +            w.append("var byteCode = [\n  ");
    1.63 +            String sep = "";
    1.64 +            for (int i = 0; i < arr.length; i++) {
    1.65 +                w.append(sep).append(Integer.toString((arr[i] + 256) % 256));
    1.66 +                sep = ", ";
    1.67 +                if (i % 20 == 0) {
    1.68 +                    w.append("\n  ");
    1.69 +                }
    1.70 +            }
    1.71 +            w.append("\n];\n");
    1.72 +            w.append(code.toString());
    1.73 +            w.close();
    1.74 +            throw new Exception(ex.getMessage() + " file: " + f, ex);
    1.75 +        }
    1.76 +
    1.77 +        
    1.78 +        assertTrue(ret instanceof String, "It is string: " + ret);
    1.79 +        
    1.80 +        if (!ret1.toString().equals(ret)) {
    1.81 +            StringBuilder msg = new StringBuilder("Difference found between ");
    1.82 +            msg.append(TestVM.dumpJS(ret1));
    1.83 +            msg.append(" ");
    1.84 +            msg.append(TestVM.dumpJS((CharSequence) ret));
    1.85 +            msg.append(" compiled by ");
    1.86 +            msg.append(code.toString());
    1.87 +            fail(msg.toString());
    1.88 +        }
    1.89 +    }
    1.90 +}