Merge pull request #9 from ehonda/feature/improve-tests

Add test case for implicit conversion from `null` to `NullableOption<T>`

Author: ehonda

tests/Core.Tests/NullableOptionTests.cs

@@ -113,6 +113,24 @@ public async Task Implicit_Conversion_From_Null_Should_Create_Some_Null()
         await Assert.That(option.Value).IsNull();
     }
 
+    [Test]
+    public async Task Implicit_Conversion_From_Null_Nullable_Int_Should_Create_Some_Null()
+    {
+        NullableOption<int?> option = null;
+
+        await Assert.That(option.HasValue).IsTrue();
+        await Assert.That(option.Value).IsNull();
+    }
+
+        [Test]
+    public async Task Implicit_Conversion_From_Null_Nullable_String_Should_Create_Some_Null()
+    {
+        NullableOption<string> option = null;
+
+        await Assert.That(option.HasValue).IsTrue();
+        await Assert.That(option.Value).IsNull();
+    }
+
     [Test]
     public async Task Implicit_Conversion_From_Option_Should_Work()
     {