Fixed conversion to int in the Percentage struct.

dlemstra · Jun 18, 2017 · a17ca03 · a17ca03
1 parent a42633f
commit a17ca03
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/Source/Magick.NET/Shared/Types/Percentage.cs b/Source/Magick.NET/Shared/Types/Percentage.cs
@@ -281,7 +281,7 @@ public double ToDouble()
         /// <returns>An integer that represents the current percentage.</returns>
         public int ToInt32()
         {
-            return (int)_Value;
+            return (int)Math.Round(_Value, MidpointRounding.AwayFromZero);
         }
 
         /// <summary>

diff --git a/Tests/Magick.NET.Tests/Shared/Types/PercentageTests.cs b/Tests/Magick.NET.Tests/Shared/Types/PercentageTests.cs
@@ -97,5 +97,19 @@ public void Test_Multiplication()
             percentage = new Percentage(25);
             Assert.AreEqual(2.5, 10.0 * percentage);
         }
+
+        [TestMethod]
+        public void ToInt32_ZeroPointFour_ReturnsZero()
+        {
+            Percentage percentage = new Percentage(0.4);
+            Assert.AreEqual(0, percentage.ToInt32());
+        }
+
+        [TestMethod]
+        public void ToInt32_ZeroPointFive_ReturnsOne()
+        {
+            Percentage percentage = new Percentage(0.5);
+            Assert.AreEqual(1, percentage.ToInt32());
+        }
     }
 }