69 lines
2.4 KiB
C#
69 lines
2.4 KiB
C#
using FluentAssertions;
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using NUnit.Framework;
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using MoonTools.Structs;
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using System.Numerics;
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namespace Tests
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{
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public class Transform2DTest
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{
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[Test]
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public void Equals()
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{
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var transformA = new Transform2D(new Position2D(0, 1), 4f, new Vector2(2, 1));
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var transformB = new Transform2D(new Position2D(0, 1), 4f, new Vector2(2, 1));
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transformA.Equals(transformB).Should().BeTrue();
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}
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[Test]
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public void NotEquals()
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{
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var transformA = new Transform2D(new Position2D(2, 3));
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var transformB = new Transform2D(new Position2D(5, 1));
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transformA.Equals(transformB).Should().BeFalse();
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}
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[Test]
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public void EqualsOperator()
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{
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var transformA = new Transform2D(new Position2D(0, 1), 4f, new Vector2(2, 1));
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var transformB = new Transform2D(new Position2D(0, 1), 4f, new Vector2(2, 1));
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(transformA == transformB).Should().BeTrue();
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}
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[Test]
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public void NotEqualsOperator()
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{
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var transformA = new Transform2D(new Position2D(2, 3));
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var transformB = new Transform2D(new Position2D(5, 1));
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(transformA != transformB).Should().BeTrue();
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}
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[Test]
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public void Compose()
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{
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var transformA = new Transform2D(new Position2D(4, 1), (float)System.Math.PI / 2, new Vector2(3, 1));
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var transformB = new Transform2D(new Position2D(15, 2), (float)System.Math.PI / 4, new Vector2(1, 2));
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transformA.Compose(transformB).Should().BeEquivalentTo(new Transform2D(new Position2D(19, 3), 3 * (float)System.Math.PI / 4, new Vector2(3, 2)));
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}
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[Test]
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public void Transform()
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{
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var transformA = new Transform2D(Position2D.Zero, (float)System.Math.PI / 2, Vector2.One);
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var transformB = new Transform2D(new Vector2(0, 2), (float)System.Math.PI, Vector2.One);
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var transformC = new Transform2D(new Vector2(-2, 0), (float)System.Math.PI * 2, new Vector2(3, 1));
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Vector2.Transform(new Vector2(-1, 0), transformA.TransformMatrix).Should().Be(new Vector2(0, -1));
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Vector2.Transform(new Vector2(-1, 0), transformB.TransformMatrix).Should().Be(new Vector2(1, 2));
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Vector2.Transform(new Vector2(-1, 0), transformC.TransformMatrix).Should().Be(new Vector2(-5, 0));
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}
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}
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}
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