releasing the compiled code as soon as it is no longer needed to prevent OutOfMemoryError when adding more and more tests
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");
44 public static void compileTheCode() throws Exception {
45 code = TestVM.compileClass("org/apidesign/vm4brwsr/VMinVM");
48 public static void releaseTheCode() {
52 private void compareCode(final String nm) throws Exception, IOException {
53 byte[] arr = BytesLoader.readClass(nm);
54 String ret1 = VMinVM.toJavaScript(arr);
58 ret = code.invokeFunction("bck2brwsr");
59 ret = code.invokeMethod(ret, "loadClass", VMinVM.class.getName());
60 ret = code.invokeMethod(ret, "toJavaScript__Ljava_lang_String_2_3B", arr);
61 } catch (Exception ex) {
62 File f = File.createTempFile("execution", ".js");
63 FileWriter w = new FileWriter(f);
64 w.append("var byteCode = [\n ");
66 for (int i = 0; i < arr.length; i++) {
67 w.append(sep).append(Integer.toString((arr[i] + 256) % 256));
74 w.append(code.toString());
76 throw new Exception(ex.getMessage() + " file: " + f, ex);
80 assertTrue(ret instanceof String, "It is string: " + ret);
82 if (!ret1.toString().equals(ret)) {
83 StringBuilder msg = new StringBuilder("Difference found between ");
84 msg.append(TestVM.dumpJS(ret1));
86 msg.append(TestVM.dumpJS((CharSequence) ret));
87 msg.append(" compiled by ");
88 msg.append(code.toString());