Give unique names to IsMissing inspections. Closes #4740

Author: comintern

Rubberduck.Resources/Inspections/InspectionNames.de.resx

@@ -337,10 +337,10 @@
     <value>'On Local Error'-Direktive</value>
   </data>
   <data name="IsMissingOnInappropriateArgumentInspection" xml:space="preserve">
-    <value>Unpassende Verwendung der 'IsMissing'-Funktion</value>
+    <value>Unpassende Verwendung der 'IsMissing'-Funktion - Parameter ist nicht vom Typ Variant</value>
   </data>
   <data name="IsMissingWithNonArgumentParameterInspection" xml:space="preserve">
-    <value>Unpassende Verwendung der 'IsMissing'-Funktion</value>
+    <value>Unpassende Verwendung der 'IsMissing'-Funktion - Lokale Variable kann nie fehlen</value>
   </data>
   <data name="AssignmentNotUsedInspection" xml:space="preserve">
     <value>Zuweisung wird nie gelesen</value>

Rubberduck.Resources/Inspections/InspectionNames.resx

@@ -337,10 +337,10 @@
     <value>On Local Error statement</value>
   </data>
   <data name="IsMissingOnInappropriateArgumentInspection" xml:space="preserve">
-    <value>Inappropriate use of 'IsMissing' function</value>
+    <value>Inappropriate use of 'IsMissing' - Parameter is not 'Variant'</value>
   </data>
   <data name="IsMissingWithNonArgumentParameterInspection" xml:space="preserve">
-    <value>Inappropriate use of 'IsMissing' function</value>
+    <value>Inappropriate use of 'IsMissing' - Parameter is local variable</value>
   </data>
   <data name="AssignmentNotUsedInspection" xml:space="preserve">
     <value>Assignment is not used</value>

RubberduckTests/Inspections/GeneralInspectionTests.cs

@@ -52,6 +52,18 @@ public void InspectionNameStringsExist()
             Assert.IsFalse(inspections.Any(), string.Join(Environment.NewLine, inspections));
         }
 
+        [Test]
+        [Category("Inspections")]
+        public void InspectionNameStringsAreUnique()
+        {
+            var inspections = typeof(InspectionBase).Assembly.GetTypes()
+                .Where(type => GetAllBaseTypes(type).Contains(typeof(InspectionBase)) && !type.IsAbstract)
+                .Select(i => i.Name)
+                .ToList();
+
+            Assert.AreEqual(inspections.Count, inspections.Distinct().Count());
+        }
+
         [Test]
         [Category("Inspections")]
         public void InspectionMetaStringsExist()