Add comprehensive test project with 42 passing tests

Co-authored-by: omegaleo <5655201+omegaleo@users.noreply.github.com>
2026-02-11 22:37:01 +00:00
parent 3aca53391e
commit 43a9e52b3d
6 changed files with 721 additions and 0 deletions
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+using System.Collections.Generic;
+using System.Linq;
+using OmegaLeo.HelperLib.Extensions;
+
+namespace OmegaLeo.HelperLib.Tests.Extensions;
+
+public class MathExtensionsTests
+{
+    [Fact]
+    public void AverageWithNullValidation_Int_WithValues_ReturnsCorrectAverage()
+    {
+        // Arrange
+        var numbers = new List<int> { 1, 2, 3, 4 };
+        
+        // Act
+        var result = numbers.AverageWithNullValidation();
+        
+        // Assert
+        Assert.Equal(2, result);
+    }
+    
+    [Fact]
+    public void AverageWithNullValidation_Int_EmptyList_ReturnsZero()
+    {
+        // Arrange
+        var emptyList = new List<int>();
+        
+        // Act
+        var result = emptyList.AverageWithNullValidation();
+        
+        // Assert
+        Assert.Equal(0, result);
+    }
+    
+    [Fact]
+    public void AverageWithNullValidation_Double_WithValues_ReturnsCorrectAverage()
+    {
+        // Arrange
+        var numbers = new List<double> { 1.5, 2.5, 3.5 };
+        
+        // Act
+        var result = numbers.AverageWithNullValidation();
+        
+        // Assert
+        Assert.Equal(2.5, result);
+    }
+    
+    [Fact]
+    public void AverageWithNullValidation_Double_EmptyList_ReturnsZero()
+    {
+        // Arrange
+        var emptyList = new List<double>();
+        
+        // Act
+        var result = emptyList.AverageWithNullValidation();
+        
+        // Assert
+        Assert.Equal(0.0, result);
+    }
+    
+    [Fact]
+    public void AverageWithNullValidation_Float_WithValues_ReturnsCorrectAverage()
+    {
+        // Arrange
+        var numbers = new List<float> { 1.5f, 2.5f, 3.5f };
+        
+        // Act
+        var result = numbers.AverageWithNullValidation();
+        
+        // Assert
+        Assert.Equal(2.5f, result);
+    }
+    
+    [Fact]
+    public void AverageWithNullValidation_Float_EmptyList_ReturnsZero()
+    {
+        // Arrange
+        var emptyList = new List<float>();
+        
+        // Act
+        var result = emptyList.AverageWithNullValidation();
+        
+        // Assert
+        Assert.Equal(0.0f, result);
+    }
+    
+    [Fact]
+    public void AverageWithNullValidation_Int_SingleValue_ReturnsThatValue()
+    {
+        // Arrange
+        var singleValue = new List<int> { 5 };
+        
+        // Act
+        var result = singleValue.AverageWithNullValidation();
+        
+        // Assert
+        Assert.Equal(5, result);
+    }
+    
+    [Fact]
+    public void AverageWithNullValidation_Int_NegativeValues_ReturnsCorrectAverage()
+    {
+        // Arrange
+        var negativeNumbers = new List<int> { -10, -20, -30 };
+        
+        // Act
+        var result = negativeNumbers.AverageWithNullValidation();
+        
+        // Assert
+        Assert.Equal(-20, result);
+    }
+}