60 lines
1.6 KiB
C#
60 lines
1.6 KiB
C#
using NeonSprawl.Server.Game.World;
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using Xunit;
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namespace NeonSprawl.Server.Tests.Game.Interaction;
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public class HorizontalReachTests
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{
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[Fact]
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public void HorizontalDistance_IgnoresY()
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{
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// Y is not a parameter; identical X/Z → zero horizontal separation regardless of implied height difference.
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// Act
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// Arrange
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var d = HorizontalReach.HorizontalDistance(1, 2, 1, 2);
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// Assert
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Assert.Equal(0, d);
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}
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[Fact]
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public void IsWithinHorizontalRadius_AtExactBoundary_ReturnsTrue()
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{ // Assert
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// Act
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// Arrange
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Assert.True(HorizontalReach.IsWithinHorizontalRadius(0, 0, 3, 0, 3));
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}
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[Fact]
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public void IsWithinHorizontalRadius_JustInside_ReturnsTrue()
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{ // Act
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// Arrange
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const double radius = 3.0;
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const double eps = 1e-10;
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// Assert
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Assert.True(HorizontalReach.IsWithinHorizontalRadius(0, 0, radius - eps, 0, radius));
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}
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[Fact]
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public void IsWithinHorizontalRadius_JustOutside_ReturnsFalse()
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{ // Act
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// Arrange
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const double radius = 3.0;
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const double eps = 1e-7;
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// Assert
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Assert.False(HorizontalReach.IsWithinHorizontalRadius(0, 0, radius + eps, 0, radius));
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}
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[Fact]
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public void IsWithinHorizontalRadius_NegativeRadius_ThrowsArgumentOutOfRange()
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{ // Assert
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// Act
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// Arrange
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Assert.Throws<ArgumentOutOfRangeException>(() =>
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HorizontalReach.IsWithinHorizontalRadius(0, 0, 0, 0, -1.0));
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}
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}
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