@Test
 public void testGenerateHashCode() throws ClassNotFoundException {
   plugin.generateHashCodeMethod(aModel, aClass);
   final JMethod generatedMethod = aClass.getMethod("hashCode", new JType[] {});
   assertThat(generatedMethod, not(nullValue()));
   assertThat(generatedMethod.type().fullName(), equalTo("int"));
 }
 @Test
 public void testGenerateToString() {
   plugin.generateToStringMethod(aModel, aClass);
   final JMethod generatedMethod = aClass.getMethod("toString", new JType[0]);
   assertThat(generatedMethod, not(nullValue()));
   assertThat(generatedMethod.type().fullName(), equalTo(String.class.getName()));
 }
 @Test
 public void testGenerateEquals() throws ClassNotFoundException {
   plugin.generateEqualsMethod(aModel, aClass);
   final JMethod generatedMethod =
       aClass.getMethod("equals", new JType[] {aModel.parseType("java.lang.Object")});
   assertThat(generatedMethod, not(nullValue()));
   assertThat(generatedMethod.type().fullName(), equalTo("boolean"));
 }