validate day underflow

1 files changed, 11 insertions, 1 deletions

diff --git a/src/Q6/WeekDayTest.java b/src/Q6/WeekDayTest.java
index 281e39e..203d08f 100644
--- a/src/Q6/WeekDayTest.java
+++ b/src/Q6/WeekDayTest.java
@@ -64,7 +64,7 @@ public class WeekDayTest extends TestCase {
     assertEquals("Sunday", subject.getWeekDay(31, 1, 2100));
   }
 
-  public void test_getWeekDay_invalid_day() {
+  public void test_getWeekDay_day_too_large() {
     boolean raised = false;
     try {
       subject.getWeekDay(32, 1, 2100);
@@ -73,4 +73,14 @@ public class WeekDayTest extends TestCase {
     }
     assertTrue(raised);
   }
+
+  public void test_getWeekDay_day_too_small() {
+    boolean raised = false;
+    try {
+      subject.getWeekDay(0, 1, 2100);
+    } catch (IllegalArgumentException error) {
+      raised = true;
+    }
+    assertTrue(raised);
+  }
 }