Add test for ID

1 files changed, 26 insertions, 0 deletions

diff --git a/src/test/java/bjc/functypes/IDTest.java b/src/test/java/bjc/functypes/IDTest.java
new file mode 100644
index 0000000..0865282
--- /dev/null
+++ b/src/test/java/bjc/functypes/IDTest.java
@@ -0,0 +1,26 @@
+package bjc.functypes;
+
+import static org.junit.Assert.*;
+
+import java.util.function.*;
+
+import org.junit.*;
+
+/**
+ * Test for ID.
+ * 
+ * @author Ben Culkin
+ *
+ */
+public class IDTest {
+
+	@Test
+	public void testID() {
+		UnaryOperator<String> idOp = ID.id();
+		
+		assertEquals("hello", idOp.apply("hello"));
+		
+		assertEquals(1, ID.id().apply(1));
+	}
+
+}