Fixed typo in the constructor

dehghani-mehdi · andrewlock · commit cfa9e0d1838c · 2021-03-17T21:50:40.000Z
diff --git a/adding-default-security-headers/src/AddingDefaultSecurityHeaders/Middleware/SecurityHeadersMiddleware.cs b/adding-default-security-headers/src/AddingDefaultSecurityHeaders/Middleware/SecurityHeadersMiddleware.cs
@@ -29,7 +29,7 @@ public SecurityHeadersMiddleware(RequestDelegate next, SecurityHeadersPolicy pol
                 throw new ArgumentNullException(nameof(next));
             }
 
-            if (next == null)
+            if (_policy == null)
             {
                 throw new ArgumentNullException(nameof(policy));
             }

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ public SecurityHeadersMiddleware(RequestDelegate next, SecurityHeadersPolicy pol`
`29`	`29`	`throw new ArgumentNullException(nameof(next));`
`30`	`30`	`}`
`31`	`31`
`32`		`- if (next == null)`
	`32`	`+ if (_policy == null)`
`33`	`33`	`{`
`34`	`34`	`throw new ArgumentNullException(nameof(policy));`
`35`	`35`	`}`