@Override
public void withKeyValue() {
MutableMap<Integer, String> map1 =
new SingletonMap<Integer, String>(1, "A").withKeyValue(2, "B");
Verify.assertMapsEqual(UnifiedMap.newWithKeysValues(1, "A", 2, "B"), map1);
Verify.assertInstanceOf(DoubletonMap.class, map1);
MutableMap<Integer, String> map2 = new SingletonMap<Integer, String>(1, "A");
MutableMap<Integer, String> map2with = map2.withKeyValue(1, "AA");
Verify.assertMapsEqual(UnifiedMap.newWithKeysValues(1, "AA"), map2with);
Assert.assertSame(map2, map2with);
}
@Override
public void withoutAllKeys() {
MutableMap<Integer, String> map = new SingletonMap<Integer, String>(1, "A");
MutableMap<Integer, String> mapWithout = map.withoutAllKeys(FastList.newListWith(2, 3));
Assert.assertSame(map, mapWithout);
mapWithout = map.withoutAllKeys(FastList.newListWith(1, 2));
Verify.assertMapsEqual(UnifiedMap.newMap(), mapWithout);
Verify.assertInstanceOf(EmptyMap.class, mapWithout);
}
@Override
public void withoutKey() {
MutableMap<Integer, String> map = new SingletonMap<Integer, String>(1, "A");
MutableMap<Integer, String> mapWithout = map.withoutKey(2);
Assert.assertSame(map, mapWithout);
mapWithout = map.withoutKey(1);
Verify.assertMapsEqual(UnifiedMap.newMap(), mapWithout);
Verify.assertInstanceOf(EmptyMap.class, mapWithout);
}