Add tests (#4)

Author: mpewsey

src/Common.Tests/Collections/TestArray2D.cs

@@ -398,6 +398,8 @@ public void TestVectorIndexer()
             {
                 Assert.AreEqual(i + 1, array[vectors[i]]);
             }
+
+            Assert.AreEqual(2, array[3, 4]);
         }
 
         [TestMethod]

src/Common.Tests/Collections/TestBitArray2D.cs

@@ -172,5 +172,15 @@ public void TestCopy()
             Assert.AreEqual(array.Columns, copy.Columns);
             CollectionAssert.AreEqual(array.Array, copy.Array);
         }
+
+        [TestMethod]
+        public void TestVectorIndexer()
+        {
+            var array = new BitArray2D(10, 10);
+            var index = new Vector2DInt(1, 2);
+            array[index] = true;
+            Assert.IsTrue(array[index]);
+            Assert.AreEqual(array[1, 2], array[index]);
+        }
     }
 }

src/Common.Tests/Collections/TestDataContractDictionary.cs

@@ -309,7 +309,7 @@ public void TestDictionaryCast()
         [TestMethod]
         public void TestTryGetValue()
         {
-            var dict = new Dictionary<int, int>
+            var dict = new DataContractDictionary<int, int>
             {
                 { 1, 2 },
                 { 3, 4 },

src/Common.Tests/Collections/TestDataContractHashSet.cs

@@ -65,6 +65,15 @@ public void TestEnumerator()
             }
         }
 
+        [TestMethod]
+        public void TestGetEnumerator()
+        {
+            var set = new DataContractHashSet<int> { 1 };
+            var enumerator = ((IEnumerable<int>)set).GetEnumerator();
+            Assert.IsTrue(enumerator.MoveNext());
+            Assert.AreEqual(1, enumerator.Current);
+        }
+
         [TestMethod]
         public void TestAdd()
         {