Prevent NullReferenceException

duncanworthy · duncanworthy · commit 71cd6c8c35e5 · 2014-12-11T10:53:02.000Z
Prevent NullReferenceException when kernel.GetSingleInstanceActivationError(type) does not return an error.
diff --git a/src/FluentAssertions.Ioc.Ninject/SingleTypeKernelAssertions.cs b/src/FluentAssertions.Ioc.Ninject/SingleTypeKernelAssertions.cs
@@ -57,6 +57,8 @@ public void To<T>()
 
         private string BuildFailureMessage(ActivationError error)
         {
+            if (error == null) return string.Empty;
+
             var builder = new StringBuilder();
 
             builder.AppendFormat("Unable to resolve type {0}.", error.Type.FullName);

Original file line number	Diff line number	Diff line change
`@@ -57,6 +57,8 @@ public void To<T>()`
`57`	`57`
`58`	`58`	`private string BuildFailureMessage(ActivationError error)`
`59`	`59`	`{`
	`60`	`+ if (error == null) return string.Empty;`
	`61`	`+`
`60`	`62`	`var builder = new StringBuilder();`
`61`	`63`
`62`	`64`	`builder.AppendFormat("Unable to resolve type {0}.", error.Type.FullName);`