2 * Back 2 Browser Bytecode Translator
3 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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.
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.
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.
18 package org.apidesign.vm4brwsr;
21 import java.io.FileWriter;
22 import java.io.IOException;
23 import static org.testng.Assert.*;
24 import org.testng.annotations.AfterClass;
25 import org.testng.annotations.BeforeClass;
26 import org.testng.annotations.Test;
30 * @author Jaroslav Tulach <jtulach@netbeans.org>
32 public class VMinVMTest {
33 private static TestVM code;
35 @Test public void compareGeneratedCodeForArrayClass() throws Exception {
36 compareCode("org/apidesign/vm4brwsr/Array.class");
39 @Test public void compareGeneratedCodeForClassesClass() throws Exception {
40 compareCode("org/apidesign/vm4brwsr/Classes.class");
43 @Test public void compareGeneratedCodeForToolkitClass() throws Exception {
44 String genCode = compareCode("org/apidesign/vm4brwsr/Bck2BrwsrToolkit.class");
45 int indx = genCode.indexOf("gt = 65604");
47 fail("Goto to an invalid label:\n...." + genCode.substring(indx - 30, indx + 30) + "....");
52 public static void compileTheCode() throws Exception {
53 code = TestVM.compileClass("org/apidesign/vm4brwsr/VMinVM");
56 public static void releaseTheCode() {
60 private String compareCode(final String nm) throws Exception, IOException {
61 byte[] arr = BytesLoader.readClass(nm);
62 String ret1 = VMinVM.toJavaScript(arr);
66 ret = code.invokeFunction("bck2brwsr");
67 ret = code.invokeMethod(ret, "loadClass", VMinVM.class.getName());
68 ret = code.invokeMethod(ret, "toJavaScript__Ljava_lang_String_2_3B", arr);
69 } catch (Exception ex) {
70 File f = File.createTempFile("execution", ".js");
71 FileWriter w = new FileWriter(f);
72 w.append("var byteCode = [\n ");
74 for (int i = 0; i < arr.length; i++) {
75 w.append(sep).append(Integer.toString((arr[i] + 256) % 256));
82 w.append(code.codeSeq());
84 throw new Exception(ex.getMessage() + " file: " + f, ex);
88 assertTrue(ret instanceof String, "It is string: " + ret);
90 if (!ret1.toString().equals(ret)) {
91 StringBuilder msg = new StringBuilder("Difference found between ");
92 msg.append(TestVM.dumpJS(ret1));
94 msg.append(TestVM.dumpJS((CharSequence) ret));
95 msg.append(" compiled by ");
96 msg.append(code.toString());