fixed NextTimeSpanTests

Teodor92 · Oct 29, 2016 · 5763334 · 5763334
1 parent dbe2897
commit 5763334
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/Source/MoreDotNet.Test/Extensions/Common/RandomExtensions/NextTimeSpanTests.cs b/Source/MoreDotNet.Test/Extensions/Common/RandomExtensions/NextTimeSpanTests.cs
@@ -9,12 +9,11 @@
     public class NextTimeSpanTests
     {
         [Fact]
-        public void NextTimeSpan_ShouldReturnTimeSpan()
+        public void NextTimeSpan_ShouldThow_ArgumentNullException()
         {
-            var random = new Random();
-            var result = random.NextTimeSpan();
+            Random random = null;
 
-            Assert.IsType<TimeSpan>(result);
+            Assert.Throws<ArgumentNullException>(() => random.NextTimeSpan());
         }
     }
 }