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Add tests for NextUnitVector2/3 and NextRotation(Uniform)
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X10D.Tests/src/Numerics/RandomTests.cs
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68
X10D.Tests/src/Numerics/RandomTests.cs
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using X10D.Numerics;
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namespace X10D.Tests.Numerics;
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[TestClass]
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public class RandomTests
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{
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[TestMethod]
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public void NextUnitVector2_ShouldReturnVector_WithMagnitude1()
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{
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var random = new Random();
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var vector = random.NextUnitVector2();
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Assert.AreEqual(1, vector.Length(), 1e-6);
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}
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[TestMethod]
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public void NextUnitVector2_ShouldThrow_GivenNullRandom()
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{
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Random? random = null;
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Assert.ThrowsException<ArgumentNullException>(() => random!.NextUnitVector2());
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}
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[TestMethod]
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public void NextUnitVector3_ShouldReturnVector_WithMagnitude1()
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{
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var random = new Random();
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var vector = random.NextUnitVector3();
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Assert.AreEqual(1, vector.Length(), 1e-6);
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}
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[TestMethod]
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public void NextUnitVector3_ShouldThrow_GivenNullRandom()
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{
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Random? random = null;
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Assert.ThrowsException<ArgumentNullException>(() => random!.NextUnitVector3());
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}
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[TestMethod]
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public void NextRotation_ShouldReturnQuaternion_WithMagnitude1()
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{
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var random = new Random();
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var rotation = random.NextRotation();
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Assert.AreEqual(1, rotation.Length(), 1e-6);
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}
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[TestMethod]
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public void NextRotation_ShouldThrow_GivenNullRandom()
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{
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Random? random = null;
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Assert.ThrowsException<ArgumentNullException>(() => random!.NextRotation());
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}
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[TestMethod]
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public void NextRotationUniform_ShouldReturnQuaternion_WithMagnitude1()
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{
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var random = new Random();
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var rotation = random.NextRotationUniform();
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Assert.AreEqual(1, rotation.Length(), 1e-6);
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}
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[TestMethod]
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public void NextRotationUniform_ShouldThrow_GivenNullRandom()
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{
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Random? random = null;
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Assert.ThrowsException<ArgumentNullException>(() => random!.NextRotationUniform());
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}
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}
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