Refactor tests

Author: andreise

src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/CaseSources/CaseSources.EqualArrays.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+partial class CaseSources
+{
+    internal static IEnumerable<(T[]? X, T[]? Y)> EqualArrays<T>()
+        =>
+        InnerEqualArrays<T>();
+}

src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/CaseSources/CaseSources.Equals_NotEqualArrays.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+partial class CaseSources
+{
+    internal static IEnumerable<(T[]? X, T[]? Y)> Equals_NotEqualArrays<T>()
+        =>
+        InnerNotEqualArrays<T>().ToArray() switch
+        {
+            var pairs => pairs.Concat(pairs.Select(pair => (pair.Y, pair.X)))
+        };
+}

….Tests/Common/CaseSources.EqualArrays.cs …eSources/CaseSources.InnerEqualArrays.cssrc/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/Common/CaseSources.EqualArrays.cs renamed to src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/CaseSources/CaseSources.InnerEqualArrays.cs src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/Common/CaseSources.EqualArrays.cs renamed to src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/CaseSources/CaseSources.InnerEqualArrays.cs

@@ -5,7 +5,7 @@ namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
 
 partial class CaseSources
 {
-    internal static IEnumerable<(T[]? X, T[]? Y)> EqualArrays<T>()
+    private static IEnumerable<(T[]? X, T[]? Y)> InnerEqualArrays<T>()
     {
         if (typeof(T) == typeof(string))
         {

…urces.InnerEqualArraysOfInt32Nullable.cs …urces.InnerEqualArraysOfInt32Nullable.cssrc/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/Common/CaseSources.InnerEqualArraysOfInt32Nullable.cs renamed to src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/CaseSources/CaseSources.InnerEqualArraysOfInt32Nullable.cs src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/Common/CaseSources.InnerEqualArraysOfInt32Nullable.cs renamed to src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/CaseSources/CaseSources.InnerEqualArraysOfInt32Nullable.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+partial class CaseSources
+{
+    private static IEnumerable<(T[]? X, T[]? Y)> InnerNotEqualArrays<T>()
+    {
+        if (typeof(T) == typeof(string))
+        {
+            return (IEnumerable<(T[]? X, T[]? Y)>)InnerNotEqualArraysOfString();
+        }
+
+        if (typeof(T) == typeof(int?))
+        {
+            return (IEnumerable<(T[]? X, T[]? Y)>)InnerNotEqualArraysOfInt32Nullable();
+        }
+
+        throw new ArgumentException($"An unexpected type ({typeof(T).Name}).", nameof(T));
+    }
+}