Add oving3

src/test/java/oving3/card/CardTest.java

@@ -0,0 +1,46 @@
+package oving3.card;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+public class CardTest {
+
+	private static boolean checkState(Card card, char suit, int face) {
+		return card.getSuit() == suit && card.getFace() == face;
+	}
+
+	@Test
+	@DisplayName("Constructor")
+	public void testConstructor() {
+		assertTrue(CardTest.checkState(new Card('S', 1), 'S', 1));
+		assertTrue(CardTest.checkState(new Card('S', 13), 'S', 13));
+		assertTrue(CardTest.checkState(new Card('H', 1), 'H', 1));
+		assertTrue(CardTest.checkState(new Card('H', 13), 'H', 13));
+		assertTrue(CardTest.checkState(new Card('D', 1), 'D', 1));
+		assertTrue(CardTest.checkState(new Card('D', 13), 'D', 13));
+		assertTrue(CardTest.checkState(new Card('C', 1), 'C', 1));
+		assertTrue(CardTest.checkState(new Card('C', 13), 'C', 13));
+
+		assertThrows(IllegalArgumentException.class, () -> {
+			new Card('X', 1);
+		});
+
+		assertThrows(IllegalArgumentException.class, () -> {
+			new Card('S', 0);
+		});
+
+		assertThrows(IllegalArgumentException.class, () -> {
+			new Card('C', 14);
+		});
+	}
+
+	@Test
+	@DisplayName("#toString()")
+	public void testToString() {
+		assertEquals("S1", new Card('S', 1).toString());
+		assertEquals("H13", new Card('H', 13).toString());
+	}
+}