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/**
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* Back 2 Browser Bytecode Translator
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. Look for COPYING file in the top folder.
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* If not, see http://opensource.org/licenses/GPL-2.0.
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*/
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package org.apidesign.vm4brwsr;
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jaroslav@170
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import static org.testng.Assert.*;
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import javax.script.Invocable;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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/**
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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public class VMinVMTest {
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private static CharSequence codeSeq;
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private static Invocable code;
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@Test public void compareGeneratedCodeForArrayClass() throws Exception {
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compareCode("org/apidesign/vm4brwsr/Array.class");
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}
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@Test public void compareGeneratedCodeForClassesClass() throws Exception {
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compareCode("org/apidesign/vm4brwsr/Classes.class");
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}
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@BeforeClass
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public void compileTheCode() throws Exception {
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StringBuilder sb = new StringBuilder();
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code = StaticMethodTest.compileClass(sb,
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"org/apidesign/vm4brwsr/VMinVM"
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);
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codeSeq = sb;
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}
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private void compareCode(final String nm) throws Exception, IOException {
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byte[] arr = BytesLoader.readClass(nm);
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String ret1 = VMinVM.toJavaScript(arr);
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Object ret;
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try {
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ret = code.invokeFunction("bck2brwsr");
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ret = code.invokeMethod(ret, "loadClass", VMinVM.class.getName());
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ret = code.invokeMethod(ret, "toJavaScript__Ljava_lang_String_2_3B", arr);
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} catch (Exception ex) {
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File f = File.createTempFile("execution", ".js");
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FileWriter w = new FileWriter(f);
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w.append("var byteCode = [\n ");
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String sep = "";
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for (int i = 0; i < arr.length; i++) {
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w.append(sep).append(Integer.toString((arr[i] + 256) % 256));
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sep = ", ";
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if (i % 20 == 0) {
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w.append("\n ");
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}
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}
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w.append("\n];\n");
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w.append(codeSeq);
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w.close();
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throw new Exception(ex.getMessage() + " file: " + f, ex);
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}
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assertTrue(ret instanceof String, "It is string: " + ret);
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if (!ret1.toString().equals(ret)) {
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StringBuilder msg = new StringBuilder("Difference found between ");
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msg.append(StaticMethodTest.dumpJS(ret1));
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msg.append(" ");
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msg.append(StaticMethodTest.dumpJS((CharSequence) ret));
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msg.append(" compiled by ");
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msg.append(StaticMethodTest.dumpJS(codeSeq));
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fail(msg.toString());
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}
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}
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}
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