/** @title null instanceof String */
public void testN2() {
T_instance_of_1 t = new T_instance_of_1();
assertFalse(t.run(null));
}
/** @title T_instance_of_1 instanceof String */
public void testE1() {
T_instance_of_1 t = new T_instance_of_1();
assertFalse(t.run(t));
}
/** @title (Object)String instanceof String */
public void testN1() {
T_instance_of_1 t = new T_instance_of_1();
String s = "";
assertTrue(t.run(s));
}