The JavaScript VM is able to generate some (not yet valid) code.
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 java.io.InputStream;
24 import static org.testng.Assert.*;
25 import javax.script.Invocable;
26 import org.testng.annotations.BeforeClass;
27 import org.testng.annotations.Test;
31 * @author Jaroslav Tulach <jtulach@netbeans.org>
33 public class VMinVMTest {
35 private static CharSequence codeSeq;
36 private static Invocable code;
38 @Test public void compareTheGeneratedCode() throws Exception {
39 byte[] arr = readClass("/org/apidesign/vm4brwsr/Array.class");
40 String ret1 = VMinVM.toJavaScript(arr);
44 ret = code.invokeFunction(
45 "org_apidesign_vm4brwsr_VMinVM_toJavaScriptLjava_lang_StringAB",
48 } catch (Exception ex) {
49 File f = File.createTempFile("execution", ".js");
50 FileWriter w = new FileWriter(f);
53 throw new Exception(ex.getMessage() + " file: " + f, ex);
57 assertTrue(ret instanceof String, "It is string: " + ret);
59 assertEquals((String)ret, ret1.toString(), "The code is the same");
63 public void compileTheCode() throws Exception {
64 StringBuilder sb = new StringBuilder();
65 code = StaticMethodTest.compileClass(sb,
66 "org/apidesign/vm4brwsr/VMinVM"
71 private static byte[] readClass(String res) throws IOException {
72 InputStream is1 = VMinVMTest.class.getResourceAsStream(res);
73 assertNotNull(is1, "Stream found");
74 byte[] arr = new byte[is1.available()];
75 int len = is1.read(arr);
77 if (len != arr.length) {
78 throw new IOException("Wrong len " + len + " for arr: " + arr.length);