Make exception message for DevTools GetVersionSpecificDomains<T> meth…

…od explicit
SeleniumHQ · Nov 10, 2020 · 4b7429f · 4b7429f
1 parent 11c02ce
commit 4b7429f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/dotnet/src/webdriver/DevTools/DevToolsSession.cs b/dotnet/src/webdriver/DevTools/DevToolsSession.cs
@@ -107,7 +107,9 @@ public T GetVersionSpecificDomains<T>() where T: DevToolsSessionDomains
             T versionSpecificDomains = this.domains.VersionSpecificDomains as T;
             if (versionSpecificDomains == null)
             {
-                throw new InvalidOperationException("Type is invalid for conversion");
+                string errorTemplate = "The type is invalid for conversion. You requested domains of type '{0}', but the version-specific domains for this session are '{1}'";
+                string exceptionMessage = string.Format(CultureInfo.InvariantCulture, errorTemplate, typeof(T).ToString(), this.domains.GetType().ToString());
+                throw new InvalidOperationException(exceptionMessage);
             }
 
             return versionSpecificDomains;