Add test for Convert-AspectRatio

LANCommander.PowerShell.Tests/Cmdlets.cs

@@ -32,5 +32,33 @@ namespace LANCommander.PowerShell.Tests
             Assert.AreEqual(1, encodingResults.Count);
             Assert.AreEqual(testPhrase, decodingResults.First());
         }
+
+        [TestMethod]
+        [DataRow(640, 480, 640, 360, 16, 9)]
+        [DataRow(1024, 768, 1024, 576, 16, 9)]
+        [DataRow(1600, 1200, 1600, 900, 16, 9)]
+        [DataRow(1920, 1080, 1440, 1080, 4, 3)]
+        [DataRow(1366, 1024, 1024, 768, 4, 3)]
+        [DataRow(854, 480, 640, 480, 4, 3)]
+        public void ConvertAspectRatioShouldReturnCorrectBounds(int x1, int y1, int x2, int y2, int ratioX, int ratioY)
+        {
+            var aspectRatio = (double)ratioX / (double)ratioY;
+
+            var cmdlet = new ConvertAspectRatioCmdlet()
+            {
+                AspectRatio = aspectRatio,
+                Width = x1,
+                Height = y1
+            };
+
+            var output = cmdlet.Invoke().OfType<DisplayResolution>().ToList();
+
+            Assert.AreEqual(1, output.Count);
+
+            var bounds = output.First();
+
+            Assert.AreEqual(x2, bounds.Width);
+            Assert.AreEqual(y2, bounds.Height);
+        }
     }
 }