@Test(expected = ExecutionException.class)
public void avoidsNullPointerIfNullPassed() throws Exception {
FieldBinder unit = new FieldBinder(TestClass.class.getDeclaredField("uCantTouchThis"));
TestClass target = new TestClass();
unit.bind(target, null);
}
@Test(expected = ExecutionException.class)
public void executionExceptionThrownIfFieldCantBeAccessed() throws Exception {
FieldBinder unit = new FieldBinder(TestClass.class.getDeclaredField("uCantTouchThis"));
TestClass target = new TestClass();
unit.bind(target, 4);
}
@Test(expected = ExecutionException.class)
public void executionExceptionThrownIfWrongTypePassed() throws Exception {
FieldBinder unit = new FieldBinder(TestClass.class.getDeclaredField("anInt"));
TestClass target = new TestClass();
unit.bind(target, 4f);
}
@Test
public void staticFieldsCanBeSet() throws Exception {
FieldBinder unit = new FieldBinder(TestClass.class.getDeclaredField("statics"));
TestClass target = new TestClass();
unit.bind(target, 4);
assertThat(target.statics, is(4));
}
@Test
public void privateFieldsCanBeSet() throws Exception {
FieldBinder unit = new FieldBinder(TestClass.class.getDeclaredField("privateDancer"));
TestClass target = new TestClass();
unit.bind(target, 4);
assertThat(target.privateDancer, is(4));
}
@Test
public void valueIsSetOnField() throws Exception {
FieldBinder unit = new FieldBinder(TestClass.class.getField("anInt"));
TestClass target = new TestClass();
unit.bind(target, 4);
assertThat(target.anInt, is(4));
}
