difference-of-squares: Change expected exception type (exercism#159)

* difference-of-squares: Change expected exception type Change ArgumentException to the more expressive ArgumentOutOfRangeException. * difference-of-squares: Update unit test name to reflect changes
robkeim · Jan 10, 2017 · 14e0ca5 · 14e0ca5
1 parent de0b8e9
commit 14e0ca5
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/exercises/difference-of-squares/DifferenceOfSquaresTest.cs b/exercises/difference-of-squares/DifferenceOfSquaresTest.cs
@@ -75,8 +75,8 @@ public void Test_difference_of_sums_0()
 
     [Ignore("Remove to run test")]
     [Test]
-    public void Test_negative_numbers_throw_argument_exception()
+    public void Test_negative_numbers_throw_argument_out_of_range_exception()
     {
-        Assert.That(() => new Squares(-5), Throws.TypeOf<ArgumentException>());
+        Assert.That(() => new Squares(-5), Throws.TypeOf<ArgumentOutOfRangeException>());
     }
 }
diff --git a/exercises/difference-of-squares/Example.cs b/exercises/difference-of-squares/Example.cs
@@ -9,7 +9,7 @@ public Squares(int max)
     {
         if (max < 0)
         {
-            throw new ArgumentException("Max must be positive", "max");
+            throw new ArgumentOutOfRangeException("Max must be positive", "max");
         }
 
         this.max = max;