release/v1.0.2

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022-2024 Andrei Sergeev, Pavel Moskovoy
+Copyright (c) 2022-2025 Andrei Sergeev, Pavel Moskovoy
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/Array/ArrayEqualityComparer_TestsBase.cs

@@ -30,6 +30,16 @@ public static void Test_GetHashCode_InputsAreEqual_ExpectHashCodesAreEqual(CaseP
         Assert.StrictEqual(hashCode1, hashCode2);
     }
 
+    [Theory]
+    [MemberData(nameof(GetHashCode_InputsAreNotEqualCases))]
+    public static void Test_GetHashCode_InputsAreNotEqual_ExpectHashCodesAreNotEqual(CaseParamOfArray<T> input1, CaseParamOfArray<T> input2)
+    {
+        var comparer = BuildComparer();
+        var hashCode1 = comparer.GetHashCode(input1.Items);
+        var hashCode2 = comparer.GetHashCode(input2.Items);
+        Assert.NotStrictEqual(hashCode1, hashCode2);
+    }
+
     [Theory]
     [MemberData(nameof(InputsAreEqualCases))]
     public static void Test_Equals_InputsAreEqual_ExpectTrue(CaseParamOfArray<T> input1, CaseParamOfArray<T> input2)
@@ -40,8 +50,8 @@ public static void Test_Equals_InputsAreEqual_ExpectTrue(CaseParamOfArray<T> inp
     }
 
     [Theory]
-    [MemberData(nameof(InputsAreNotEqualCases))]
-    public static void Test_Equals_InputsAreNotEqual_ExpectTrue(CaseParamOfArray<T> input1, CaseParamOfArray<T> input2)
+    [MemberData(nameof(Equals_InputsAreNotEqualCases))]
+    public static void Test_Equals_InputsAreNotEqual_ExpectFalse(CaseParamOfArray<T> input1, CaseParamOfArray<T> input2)
     {
         var comparer = BuildComparer();
         var actualEquals = comparer.Equals(input1.Items, input2.Items);
@@ -74,11 +84,15 @@ public static void Test_Equals_InputsAreNotEqual_ExpectTrue(CaseParamOfArray<T>
 
     public static TheoryData<CaseParamOfArray<T>, CaseParamOfArray<T>> InputsAreEqualCases()
         =>
-        MapEqualsCases(CaseSources.EqualArrays<T>());
+        MapEqualsCases(EqualCaseSource.EqualArrays<T>());
+
+    public static TheoryData<CaseParamOfArray<T>, CaseParamOfArray<T>> Equals_InputsAreNotEqualCases()
+        =>
+        MapEqualsCases(NotEqualCaseSource_Equals.NotEqualArrays<T>());
 
-    public static TheoryData<CaseParamOfArray<T>, CaseParamOfArray<T>> InputsAreNotEqualCases()
+    public static TheoryData<CaseParamOfArray<T>, CaseParamOfArray<T>> GetHashCode_InputsAreNotEqualCases()
         =>
-        MapEqualsCases(CaseSources.NotEqualArrays<T>());
+        MapEqualsCases(NotEqualCaseSource_GetHashCode.NotEqualArrays<T>());
 
     private static ArrayEqualityComparer<T> BuildComparer()
         =>

src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/CaseSources/EqualCaseSource.InnerEqualArraysOfInt32Nullable.cs

@@ -0,0 +1,69 @@
+#pragma warning disable IDE0300 // Simplify collection initialization
+
+using System.Collections.Generic;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+partial class EqualCaseSource
+{
+    private static IEnumerable<(int?[]? X, int?[]? Y)> InnerEqualArraysOfInt32Nullable()
+    {
+        // Equal by reference
+
+        yield return (
+            null,
+            null
+        );
+        yield return (
+            EmptyArray<int?>.Value,
+            EmptyArray<int?>.Value
+        );
+        var array1 = new int?[] { 1 };
+        var array2 = new int?[] { 1, 2 };
+        var array3 = new int?[] { 1, 2, 3 };
+        var array4 = new int?[] { 1, 2, 3, 4 };
+        yield return (
+            array1,
+            array1
+        );
+        yield return (
+            array2,
+            array2
+        );
+        yield return (
+            array3,
+            array3
+        );
+        yield return (
+            array4,
+            array4
+        );
+
+        // Equal by value
+
+        yield return (
+            new int?[] { null },
+            new int?[] { null }
+        );
+        yield return (
+            EmptyArray<int?>.Create(),
+            EmptyArray<int?>.Create()
+        );
+        yield return (
+            new int?[] { 1 },
+            new int?[] { 1 }
+        );
+        yield return (
+            new int?[] { 1, 2 },
+            new int?[] { 1, 2 }
+        );
+        yield return (
+            new int?[] { 1, 2, 3 },
+            new int?[] { 1, 2, 3 }
+        );
+        yield return (
+            new int?[] { 1, 2, 3, 4 },
+            new int?[] { 1, 2, 3, 4 }
+        );
+    }
+}

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

@@ -0,0 +1,70 @@
+#pragma warning disable IDE0300 // Simplify collection initialization
+
+using System.Collections.Generic;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+partial class EqualCaseSource
+{
+    private static IEnumerable<(string?[]? X, string?[]? Y)> InnerEqualArraysOfString()
+    {
+        // Equal by reference
+
+        yield return (
+            null,
+            null
+        );
+        yield return (
+            EmptyArray<string>.Value,
+            EmptyArray<string>.Value
+        );
+        var array1 = new[] { "1" };
+        var array2 = new[] { "1", "2" };
+        var array3 = new[] { "1", "2", "3" };
+        var array4 = new[] { "1", "2", "3", "4" };
+        yield return (
+            array1,
+            array1
+        );
+        yield return (
+            array2,
+            array2
+        );
+        yield return (
+            array3,
+            array3
+        );
+        yield return (
+            array4,
+            array4
+        );
+
+        // Equal by value
+
+        yield return (
+            new[] { (string?)null },
+            new[] { (string?)null }
+        );
+        yield return (
+            EmptyArray<string>.Create(),
+            EmptyArray<string>.Create()
+        );
+        yield return (
+            new[] { "1" },
+            new[] { "1" }
+        );
+        yield return (
+            new[] { "1", "2" },
+            new[] { "1", "2" }
+        );
+        yield return (
+            new[] { "1", "2", "3" },
+            new[] { "1", "2", "3" }
+        );
+        yield return (
+            new[] { "1", "2", "3", "4" },
+            new[] { "1", "2", "3", "4" }
+        );
+    }
+
+}

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

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+internal static partial class EqualCaseSource
+{
+    internal static IEnumerable<(T[]? X, T[]? Y)> EqualArrays<T>()
+    {
+        if (typeof(T) == typeof(string))
+        {
+            return (IEnumerable<(T[]? X, T[]? Y)>)InnerEqualArraysOfString();
+        }
+
+        if (typeof(T) == typeof(int?))
+        {
+            return (IEnumerable<(T[]? X, T[]? Y)>)InnerEqualArraysOfInt32Nullable();
+        }
+
+        throw new ArgumentException($"An unexpected type ({typeof(T).Name}).", nameof(T));
+    }
+}

src/collections-generic-equalitycomparers/Collections.Generic.EqualityComparers.Tests/CaseSources/NotEqualCaseSource_Equals.InnerNotEqualArraysOfInt32Nullable.cs

@@ -0,0 +1,71 @@
+#pragma warning disable IDE0300 // Simplify collection initialization
+
+using System.Collections.Generic;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+partial class NotEqualCaseSource_Equals
+{
+    private static IEnumerable<(int?[]? X, int?[]? Y)> InnerNotEqualArraysOfInt32Nullable()
+    {
+        yield return (
+            null,
+            EmptyArray<int?>.Value);
+        yield return (
+            null,
+            new int?[] { 1 }
+        );
+        yield return (
+            EmptyArray<int?>.Value,
+            new int?[] { 1 }
+        );
+        yield return (
+            new int?[] { 1 },
+            new int?[] { 1, 2 }
+        );
+        yield return (
+            new int?[] { 1, 2 },
+            new int?[] { 1, 2, 3 }
+        );
+        yield return (
+            new int?[] { 1, 2, 3 },
+            new int?[] { 1, 2, 3, 4 }
+        );
+        yield return (
+            new int?[] { null },
+            new int?[] { 0 }
+        );
+        yield return (
+            new int?[] { null },
+            new int?[] { 1 }
+        );
+        yield return (
+            new int?[] { 1 },
+            new int?[] { 2 }
+        );
+        yield return (
+            new int?[] { 1, 2 },
+            new int?[] { 1, 1 }
+        );
+        yield return (
+            new int?[] { 1, 2, 3 },
+            new int?[] { 1, 0, 3 }
+        );
+        yield return (
+            new int?[] { 1, 2, 3, 4 },
+            new int?[] { 0, 2, 3, 4 }
+        );
+        yield return (
+            new int?[] { 1, 2, 3, 4 },
+            new int?[] { 1, 1, 3, 4 }
+        );
+        yield return (
+            new int?[] { 1, 2, 3, 4 },
+            new int?[] { 1, 2, 2, 4 }
+        );
+        yield return (
+            new int?[] { 1, 2, 3, 4 },
+            new int?[] { 1, 2, 3, 3 }
+        );
+    }
+}

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

@@ -0,0 +1,71 @@
+#pragma warning disable IDE0300 // Simplify collection initialization
+
+using System.Collections.Generic;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+partial class NotEqualCaseSource_Equals
+{
+    private static IEnumerable<(string?[]? X, string?[]? Y)> InnerNotEqualArraysOfString()
+    {
+        yield return (
+            null,
+            EmptyArray<string>.Value);
+        yield return (
+            null,
+            new[] { "1" }
+        );
+        yield return (
+            EmptyArray<string>.Value,
+            new[] { "1" }
+        );
+        yield return (
+            new[] { "1" },
+            new[] { "1", "2" }
+        );
+        yield return (
+            new[] { "1", "2" },
+            new[] { "1", "2", "3" }
+        );
+        yield return (
+            new[] { "1", "2", "3" },
+            new[] { "1", "2", "3", "4" }
+        );
+        yield return (
+            new[] { (string?)null },
+            new[] { "" }
+        );
+        yield return (
+            new[] { (string?)null },
+            new[] { "1" }
+        );
+        yield return (
+            new[] { "1" },
+            new[] { "2" }
+        );
+        yield return (
+            new[] { "1", "2" },
+            new[] { "1", "1" }
+        );
+        yield return (
+            new[] { "1", "2", "3" },
+            new[] { "1", "0", "3" }
+        );
+        yield return (
+            new[] { "1", "2", "3", "4" },
+            new[] { "0", "2", "3", "4" }
+        );
+        yield return (
+            new[] { "1", "2", "3", "4" },
+            new[] { "1", "1", "3", "4" }
+        );
+        yield return (
+            new[] { "1", "2", "3", "4" },
+            new[] { "1", "2", "2", "4" }
+        );
+        yield return (
+            new[] { "1", "2", "3", "4" },
+            new[] { "1", "2", "3", "3" }
+        );
+    }
+}

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

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace PrimeFuncPack.Collections.Generic.EqualityComparers.Tests;
+
+internal static partial class NotEqualCaseSource_Equals
+{
+    internal static IEnumerable<(T[]? X, T[]? Y)> NotEqualArrays<T>()
+        =>
+        InnerNotEqualArrays<T>().ToArray() switch
+        {
+            var pairs => pairs.Concat(pairs.Select(pair => (pair.Y, pair.X)))
+        };
+
+    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));
+    }
+}