@Test public void externalSet(){ value = 0; MutableByte ext = MutableByte.fromExternal(()->value,v->this.value=v); ext.set(ten); assertThat(value,equalTo((byte)10)); }
@Test public void externalGet(){ value = 100; MutableByte ext = MutableByte.fromExternal(()->value,v->this.value=v); assertThat(ext.get(),equalTo((byte)100)); } @Test
@Test public void externalMapInputObj(){ value = 0; Mutable<Byte> ext = MutableByte.fromExternal(()->value,v->this.value=v) .mapInputToObj(s->new Byte((byte)(s+ten))); ext.set((byte)50); assertThat(value,equalTo((byte)60)); }
@Test public void externalMapOutputToObj(){ value = 20; Mutable<Integer> ext = MutableByte.fromExternal(()->value,v->this.value=v) .mapOutputToObj(s->s*2); assertThat(ext.get(),equalTo(40)); }