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Merge pull request #47 from smellilac/feature-compareTo-vector2
IComparable in Vector2 and unit tests for it
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using System; | ||
using Hypercube.Math.Vectors; | ||
using NUnit.Framework; | ||
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namespace Hypercube.UnitTests.Math; | ||
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[TestFixture] | ||
public sealed class CompareToTest | ||
{ | ||
[Test] | ||
public void CompareTo_LengthComparison_ReturnsExpectedResult() | ||
{ | ||
// Arrange | ||
var vector1 = new Vector2(3, 4); // Length = 5 | ||
var vector2 = new Vector2(6, 8); // Length = 10 | ||
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// Act | ||
var result = vector1.CompareTo(vector2); | ||
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// Assert | ||
Assert.Less(result, 0); | ||
} | ||
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[Test] | ||
public void CompareTo_XComponentComparison_ReturnsExpectedResult() | ||
{ | ||
// Arrange | ||
var vector1 = new Vector2(3, 4); | ||
var vector2 = new Vector2(6, 4); | ||
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// Act | ||
var result = vector1.CompareTo(vector2, v => v.X); | ||
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// Assert | ||
Assert.Less(result, 0); // Expecting vector1 to be "less than" vector2 based on X component | ||
} | ||
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[Test] | ||
public void CompareTo_YComponentComparison_ReturnsExpectedResult() | ||
{ | ||
// Arrange | ||
var vector1 = new Vector2(3, 4); | ||
var vector2 = new Vector2(3, 2); | ||
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// Act | ||
var result = vector1.CompareTo(vector2, v => v.Y); | ||
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// Assert | ||
Assert.Greater(result, 0); // Expecting vector1 to be "greater than" vector2 based on Y component | ||
} | ||
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[Test] | ||
public void CompareTo_AngleComparison_ReturnsExpectedResult() | ||
{ | ||
// Arrange | ||
var vector1 = new Vector2(0, 1); // Angle = π/2 (90 degrees) | ||
var vector2 = new Vector2(1, 0); // Angle = 0 degrees | ||
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// Act | ||
var result = vector1.CompareTo(vector2, v => v.Angle); | ||
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// Assert | ||
Assert.Greater(result, 0); // Expecting vector1 to be "greater than" vector2 based on Angle | ||
} | ||
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[Test] | ||
public void CompareTo_SameVectors_ReturnsZero() | ||
{ | ||
// Arrange | ||
var vector1 = new Vector2(3, 4); | ||
var vector2 = new Vector2(3, 4); | ||
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// Act & Assert | ||
Assert.AreEqual(0, vector1.CompareTo(vector2)); | ||
Assert.AreEqual(0, vector1.CompareTo(vector2, v => v.X)); | ||
Assert.AreEqual(0, vector1.CompareTo(vector2, v => v.Y)); | ||
Assert.AreEqual(0, vector1.CompareTo(vector2, v => v.Angle)); | ||
} | ||
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[Test] | ||
public void CompareTo_DifferentComparisons_ReturnDifferentResults() | ||
{ | ||
// Arrange | ||
var vector1 = new Vector2(1, 2); | ||
var vector2 = new Vector2(2, 1); | ||
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// Act | ||
var lengthComparison = vector1.CompareTo(vector2); | ||
var xComponentComparison = vector1.CompareTo(vector2, v => v.X); | ||
var yComponentComparison = vector1.CompareTo(vector2, v => v.Y); | ||
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// Assert | ||
Assert.AreNotEqual(lengthComparison, xComponentComparison); | ||
Assert.AreNotEqual(xComponentComparison, yComponentComparison); | ||
} | ||
} |