@Test public void externalGet(){ value = 100; MutableChar ext = MutableChar.fromExternal(()->value,v->this.value=v); assertThat(ext.get(),equalTo((char)100)); } @Test
@Test public void externalSet(){ value = 0; MutableChar ext = MutableChar.fromExternal(()->value,v->this.value=v); ext.set(ten); assertThat(value,equalTo((char)10)); }
@Test public void externalMapInputObj(){ value = 0; Mutable<Character> ext = MutableChar.fromExternal(()->value, v->this.value=v) .mapInputToObj(s->new Character((char)(s+ten))); ext.set((char)50); assertThat(value,equalTo((char)60)); }
@Test public void externalMapOutputToObj(){ value = 200; Mutable<Integer> ext = MutableChar.fromExternal(()->value,v->this.value=v) .mapOutputToObj(s->s*2); assertThat(ext.get(),equalTo(400)); }