@Test
public void testHashCode2() {
// ハッシュ値がばらけていることの確認
Set<Integer> hashCodes =
Color.stream()
.flatMap(c -> Point.stream().map(p -> Move.of(c, p).hashCode()))
.collect(Collectors.toSet());
hashCodes.add(Move.passOf(Color.BLACK).hashCode());
hashCodes.add(Move.passOf(Color.WHITE).hashCode());
assertThat(hashCodes.size(), is(Color.values().length * (Point.values().length + 1)));
}
@Test
public void testSerializable2() {
// 先ずは、Move の中身を改竄できることを確認（テスト方法の妥当性確認）
assertThat(
writeModifyAndRead(
Move.of(Color.BLACK, Point.of(0, 0)),
bytes -> replace(bytes, bytes(Color.BLACK), bytes(Color.WHITE))),
is(Move.of(Color.WHITE, Point.of(0, 0))));
// color == null に改竄されたオブジェクトのデシリアル化が抑止されることの確認
assertThat(
of(
() ->
writeModifyAndRead(
Move.of(Color.BLACK, Point.of(0, 0)),
bytes -> replace(bytes, bytes(Color.BLACK), bytes((Object) null)))),
raise(FailToDeserializeException.class).rootCause(InvalidObjectException.class));
}
@Test
public void testEquals() {
Color.stream()
.forEach(
c ->
Point.stream()
.forEach(
p -> {
Move move1 = Move.of(c, p);
Move move2 = Move.of(c, p);
assertThat(move1, not(sameInstance(move2)));
assertThat(move1.equals(move1), is(true));
assertThat(move1.equals(move2), is(true));
assertThat(move1.equals(Move.of(c.opposite(), p)), is(false));
assertThat(move1.equals(Move.of(c, null)), is(false));
assertThat(Move.of(c, null).equals(move1), is(false));
assertThat(
move1.equals(
Move.of(
c, p == Point.of(0, 0) ? Point.of(1, 1) : Point.of(0, 0))),
is(false));
assertThat(move1.equals(null), is(false));
assertThat(move1.equals(c), is(false));
assertThat(move1.equals(p), is(false));
}));
Color.stream()
.forEach(
c -> {
assertThat(Move.of(c, null).equals(Move.of(c, null)), is(true));
assertThat(Move.passOf(c).equals(Move.passOf(c)), is(true));
assertThat(Move.of(c, null).equals(Move.passOf(c)), is(true));
assertThat(Move.passOf(c).equals(Move.of(c, null)), is(true));
});
}
@Test
public void testSerializable1() {
Color.stream()
.forEach(
c -> {
assertThat(writeAndRead(Move.of(c, null)), is(Move.of(c, null)));
Point.stream()
.forEach(
p -> {
assertThat(writeAndRead(Move.of(c, p)), is(Move.of(c, p)));
});
});
}
@Test
public void testOf() {
Color.stream()
.forEach(
c -> {
assertThat(Move.of(c, null), instanceOf(Move.class));
assertThat(Move.of(c, null).color, theInstance(c));
assertThat(Move.of(c, null).point, nullValue());
Point.stream()
.forEach(
p -> {
assertThat(Move.of(c, p), instanceOf(Move.class));
assertThat(Move.of(c, p).color, theInstance(c));
assertThat(Move.of(c, p).point, theInstance(p));
});
});
Point.stream()
.forEach(
p -> {
assertThat(of(() -> Move.of(null, p)), raise(NullPointerException.class));
});
}
@Test
public void testHashCode1() {
// 同じ内容のオブジェクトは常に同じ値を返すことの確認
Color.stream()
.forEach(
c -> {
assertThat(Move.of(c, null).hashCode(), is(Move.of(c, null).hashCode()));
Point.stream()
.forEach(
p -> {
assertThat(Move.of(c, p).hashCode(), is(Move.of(c, p).hashCode()));
});
});
}
@Test
public void testToString() {
Color.stream()
.forEach(
c -> {
assertThat(Move.of(c, null).toString(), is(String.format("[%s : PASS]", c)));
Point.stream()
.forEach(
p -> {
assertThat(
Move.of(c, p).toString(),
is(String.format("[%s : %s]", c, p.toStringKindly())));
});
});
}