1 files changed, 32 insertions, 0 deletions
diff --git a/test/jrummikub/util/PairTest.java b/test/jrummikub/util/PairTest.java
new file mode 100644
index 0000000..dd34d42
--- /dev/null
+++ b/test/jrummikub/util/PairTest.java
@@ -0,0 +1,32 @@
+package jrummikub.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.junit.Test;
+
+/** */
+public class PairTest {
+	/** */
+	@Test
+	public void testPairToString() {
+		assertEquals("Pair [first=1, second=Foobar]", new Pair<Integer, String>(1, "Foobar").toString());
+	}
+	
+	/** */
+	@Test
+	public void testEqualsAndHash() {
+		assertFalse(new Pair<Integer, String>(1, "Foobar").equals(null));
+		assertFalse(new Pair<Integer, String>(1, "Foobar").equals("Foobar"));
+		assertTrue(new Pair<Integer, String>(1, null).equals(new Pair<Integer, String>(1, null)));
+		Set<Pair<Integer, String>> set = new HashSet<Pair<Integer, String>>();
+		set.add(new Pair<Integer, String>(1, "Foobar"));
+		set.add(new Pair<Integer, String>(2, "Baz"));
+		assertTrue(set.contains(new Pair<Integer, String>(1, "Foobar")));
+		assertFalse(set.contains(new Pair<Integer, String>(2, "Foobar")));
+	}
+}