Add tests for Card.equals() and Card.hashcode()

2 files changed, 55 insertions, 1 deletions

diff --git a/src/test/java/org/luxons/sevenwonders/game/cards/CardTest.java b/src/test/java/org/luxons/sevenwonders/game/cards/CardTest.java
index a655fd87..0748f005 100644
--- a/src/test/java/org/luxons/sevenwonders/game/cards/CardTest.java
+++ b/src/test/java/org/luxons/sevenwonders/game/cards/CardTest.java
@@ -14,7 +14,8 @@ import org.luxons.sevenwonders.game.effects.ProductionIncrease;
 import org.luxons.sevenwonders.game.resources.ResourceType;
 import org.luxons.sevenwonders.game.wonders.Wonder;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.*;
+import static org.luxons.sevenwonders.game.test.TestUtils.*;
 
 public class CardTest {
 
@@ -53,4 +54,53 @@ public class CardTest {
         assertEquals(3, table.getBoard(1).getGold());
         assertEquals(3, table.getBoard(2).getGold());
     }
+
+    @Test
+    public void equals_falseWhenNull() {
+        Card card = createCard("TestCard");
+        //noinspection ObjectEqualsNull
+        assertFalse(card.equals(null));
+    }
+
+    @Test
+    public void equals_falseWhenDifferentClass() {
+        Card card = createCard("TestCard");
+        Object object = new Object();
+        //noinspection EqualsBetweenInconvertibleTypes
+        assertFalse(card.equals(object));
+    }
+
+    @Test
+    public void equals_trueWhenSame() {
+        Card card = createCard("TestCard");
+        assertEquals(card, card);
+    }
+
+    @Test
+    public void equals_trueWhenSameContent() {
+        Card card1 = createCard("TestCard");
+        Card card2 = createCard("TestCard");
+        assertTrue(card1.equals(card2));
+    }
+
+    @Test
+    public void equals_falseWhenDifferentName() {
+        Card card1 = createCard("TestCard1");
+        Card card2 = createCard("TestCard2");
+        assertFalse(card1.equals(card2));
+    }
+
+    @Test
+    public void hashCode_sameWhenSameContent() {
+        Card card1 = createCard("TestCard");
+        Card card2 = createCard("TestCard");
+        assertEquals(card1.hashCode(), card2.hashCode());
+    }
+
+    @Test
+    public void hashCode_differentWhenDifferentName() {
+        Card card1 = createCard("TestCard1");
+        Card card2 = createCard("TestCard2");
+        assertNotEquals(card1.hashCode(), card2.hashCode());
+    }
 }
diff --git a/src/test/java/org/luxons/sevenwonders/game/test/TestUtils.java b/src/test/java/org/luxons/sevenwonders/game/test/TestUtils.java
index 2f4fd13a..1f2df0ab 100644
--- a/src/test/java/org/luxons/sevenwonders/game/test/TestUtils.java
+++ b/src/test/java/org/luxons/sevenwonders/game/test/TestUtils.java
@@ -114,6 +114,10 @@ public class TestUtils {
         return sampleCards;
     }
 
+    public static Card createCard(String name) {
+        return new Card(name, Color.BLUE, new Requirements(), null, null, null, null);
+    }
+
     private static Card createCard(int num, Color color) {
         return new Card("Test Card " + num, color, new Requirements(), null, null, null, null);
     }