49 lines
1.9 KiB
C#
49 lines
1.9 KiB
C#
using NUnit.Framework;
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using BaseGames.Enemies.Navigation;
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namespace BaseGames.Tests.EditMode.Enemies
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{
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/// <summary>GroundNavigator 的方向/到达判定纯函数（无场景依赖）。</summary>
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public class GroundNavigatorLogicTests
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{
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[Test]
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public void Arrived_WhenWithinStopDistance()
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=> Assert.IsTrue(GroundNavigator.Arrived(1.0f, 1.1f, 0.2f));
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// 边界含等号。刻意选二进制可精确表示的值(1.25-1.0 恰为 0.25)，
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// 否则如 1.2f-1.0f=0.20000005 会因浮点误差略大于 0.2f，测的就不是边界语义而是浮点噪声。
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[Test]
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public void Arrived_ExactlyAtStopDistance_True()
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=> Assert.IsTrue(GroundNavigator.Arrived(1.0f, 1.25f, 0.25f));
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[Test]
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public void NotArrived_WhenOutsideStopDistance()
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=> Assert.IsFalse(GroundNavigator.Arrived(1.0f, 1.5f, 0.2f));
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[Test]
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public void Arrived_IgnoresDirection()
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{
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Assert.IsTrue(GroundNavigator.Arrived(1.0f, 0.9f, 0.2f)); // 目标在左侧
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Assert.IsFalse(GroundNavigator.Arrived(1.0f, 0.5f, 0.2f));
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}
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[Test]
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public void WanderX_PositiveSign_LandsWithinForwardRange()
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{
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Assert.AreEqual(11.5f, GroundNavigator.WanderX(10f, 1.5f, 5f, +1f, 0f), 1e-4f); // t=0 → 最近端
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Assert.AreEqual(15f, GroundNavigator.WanderX(10f, 1.5f, 5f, +1f, 1f), 1e-4f); // t=1 → 最远端
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}
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[Test]
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public void WanderX_NegativeSign_LandsWithinBackwardRange()
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{
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Assert.AreEqual(8.5f, GroundNavigator.WanderX(10f, 1.5f, 5f, -1f, 0f), 1e-4f);
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Assert.AreEqual(5f, GroundNavigator.WanderX(10f, 1.5f, 5f, -1f, 1f), 1e-4f);
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}
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[Test]
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public void WanderX_MidT_Interpolates()
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=> Assert.AreEqual(13.25f, GroundNavigator.WanderX(10f, 1.5f, 5f, +1f, 0.5f), 1e-4f);
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}
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}
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