1 files changed, 14 insertions, 0 deletions
diff --git a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CheckoutTest.java b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CheckoutTest.java
index 999bf434ce..d533829d52 100644
--- a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CheckoutTest.java
+++ b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/CheckoutTest.java
@@ -96,6 +96,20 @@ public class CheckoutTest extends CLIRepositoryTestCase {
 	}
 
 	@Test
+	public void testCheckoutWithNoRef() throws Exception {
+		assertStringArrayEquals(
+				"a valid ref is expected",
+				executeExpectingException("git checkout"));
+	}
+
+	@Test
+	public void testCheckoutWithInvalidRef() throws Exception {
+		assertStringArrayEquals(
+				".feature is not a valid ref name",
+				executeExpectingException("git checkout .feature"));
+	}
+
+	@Test
 	public void testCheckoutNewBranchThatAlreadyExists() throws Exception {
 		try (Git git = new Git(db)) {
 			git.commit().setMessage("initial commit").call();