Beispiel #1
0
  public void testInsertLocal() throws Exception {
    CtClass cc = sloader.get("test2.InsertLocal");
    CtMethod m1 = cc.getDeclaredMethod("foo");
    m1.insertBefore("{ i = s.length(); d = 0.14; }");
    m1.insertAfter("{ field = i; }");

    CtMethod m2 = cc.getDeclaredMethod("run2");
    m2.insertAt(22, "{ s = \"12\"; k = 5; }");

    CtMethod m3 = cc.getDeclaredMethod("run3");
    m3.instrument(
        new ExprEditor() {
          public void edit(NewExpr n) throws CannotCompileException {
            n.replace("{ i++; $_ = $proceed($$); }");
          }

          public void edit(FieldAccess f) throws CannotCompileException {
            f.replace("{ i++; $_ = $proceed($$); }");
          }

          public void edit(MethodCall m) throws CannotCompileException {
            m.replace("{ i++; $_ = $proceed($$); }");
          }
        });

    cc.writeFile();
    Object obj = make(cc.getName());
    assertEquals(317, invoke(obj, "run"));
    assertEquals(7, invoke(obj, "run2"));
    assertEquals(3, invoke(obj, "run3"));
  }
Beispiel #2
0
 public void testAddLocalVar() throws Exception {
   CtClass cc = sloader.get("test2.AddLocalVar");
   CtMethod m1 = cc.getDeclaredMethod("foo");
   m1.addLocalVariable("i", CtClass.intType);
   m1.insertBefore("i = 3;");
   m1.insertAfter("$_ = i + 1;");
   cc.writeFile();
   Object obj = make(cc.getName());
   assertEquals(4, invoke(obj, "foo"));
 }
Beispiel #3
0
 public void testLocalVar() throws Exception {
   CtClass cc = sloader.get("test2.LocalVar");
   CtMethod m = cc.getDeclaredMethod("toString");
   m.addLocalVariable("var", CtClass.booleanType);
   m.insertBefore("{var = true; }");
   m.insertAfter("{if (var) hashCode(); }", false);
   cc.writeFile();
   Object obj = make(cc.getName());
   assertEquals(3, invoke(obj, "foo"));
 }
Beispiel #4
0
 public void testArrayAndNull() throws Exception {
   CtClass cc = sloader.get("test2.ArrayAndNull");
   CtMethod m = cc.getDeclaredMethod("test");
   m.insertAfter("if ($_ == null) $_ = new int[0];");
 }