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