1 files changed, 12 insertions, 2 deletions
diff --git a/luni/src/test/java/tests/api/java/util/SimpleTimeZoneTest.java b/luni/src/test/java/tests/api/java/util/SimpleTimeZoneTest.java
index 618cbe4..eeb5b30 100644
--- a/luni/src/test/java/tests/api/java/util/SimpleTimeZoneTest.java
+++ b/luni/src/test/java/tests/api/java/util/SimpleTimeZoneTest.java
@@ -442,8 +442,18 @@ public class SimpleTimeZoneTest extends junit.framework.TestCase {
         st.setStartRule(0, 1, 1, 1);
         st.setEndRule(11, 1, 1, 1);
         st.setDSTSavings(1);
-        assertEquals("Daylight savings amount not set", 1, st.getDSTSavings());
-    }
+        assertEquals(1, st.getDSTSavings());
+        try {
+            st.setDSTSavings(0);
+            fail();
+        } catch (IllegalArgumentException expected) {
+        }
+        try {
+            st.setDSTSavings(-1);
+            fail();
+        } catch (IllegalArgumentException expected) {
+        }
+      }
 
     /**
      * java.util.SimpleTimeZone#setEndRule(int, int, int)