Beispiel #1
0
  void test(String[] opts, String className) throws Exception {
    count++;
    System.err.println("Test " + count + " " + Arrays.asList(opts) + " " + className);
    Path testSrcDir = Paths.get(System.getProperty("test.src"));
    Path testClassesDir = Paths.get(System.getProperty("test.classes"));
    Path classes = Paths.get("classes." + count);
    classes.createDirectory();

    Context ctx = new Context();
    PathFileManager fm = new JavacPathFileManager(ctx, true, null);
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    List<String> options = new ArrayList<String>();
    options.addAll(Arrays.asList(opts));
    options.addAll(Arrays.asList("-verbose", "-XDverboseCompilePolicy", "-d", classes.toString()));
    Iterable<? extends JavaFileObject> compilationUnits =
        fm.getJavaFileObjects(testSrcDir.resolve(className + ".java"));
    StringWriter sw = new StringWriter();
    PrintWriter out = new PrintWriter(sw);
    JavaCompiler.CompilationTask t =
        compiler.getTask(out, fm, null, options, null, compilationUnits);
    boolean ok = t.call();
    System.err.println(sw.toString());
    if (!ok) {
      throw new Exception("compilation failed");
    }

    File expect = new File("classes." + count + "/" + className + ".class");
    if (!expect.exists()) throw new Exception("expected file not found: " + expect);
    long expectedSize = new File(testClassesDir.toString(), className + ".class").length();
    long actualSize = expect.length();
    if (expectedSize != actualSize)
      throw new Exception("wrong size found: " + actualSize + "; expected: " + expectedSize);
  }
Beispiel #2
0
 private String getFileText(File file) throws Exception {
   BufferedReader br =
       new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"));
   StringWriter sw = new StringWriter();
   int n;
   char[] cbuf = new char[1024];
   while ((n = br.read(cbuf, 0, cbuf.length)) != -1) sw.write(cbuf, 0, n);
   br.close();
   return sw.toString();
 }