80 lines
3.1 KiB
C#
80 lines
3.1 KiB
C#
using System;
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using CounterDrone.Core.Algorithms;
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using Xunit;
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namespace CounterDrone.Core.Tests
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{
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public class DamageAssessmentTests
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{
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[Fact]
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public void SingleSegment_ThroughCenter_DiameterExposure()
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{
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// 无人机穿过球心：路径=2R
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float len = DamageAssessment.PathInSphere(0, 0, 0, 40, 0, 0, 20, 0, 0, 20);
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Assert.Equal(40, len, 1);
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}
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[Fact]
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public void TwoAdjacentClouds_FullCoverage()
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{
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// 20段×4m步长=80m，经过R=20的两朵相邻云（中心在20和60）
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float total = 0;
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float prevX = 0;
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for (int s = 0; s < 20; s++)
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{
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float nextX = prevX + 4;
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total += DamageAssessment.PathInSphere(prevX, 0, 0, nextX, 0, 0, 20, 0, 0, 20);
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total += DamageAssessment.PathInSphere(prevX, 0, 0, nextX, 0, 0, 60, 0, 0, 20);
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prevX = nextX;
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}
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// 每朵云直径40m，两朵共80m
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Assert.True(Math.Abs(total - 80f) < 1f, $"total={total:F2}, expected=80");
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}
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[Fact]
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public void NineCloudChain_CoverageMatchesTheory()
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{
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// 9朵云，间距40m，R=20m，无人机段长22.2m(55.6m/s×0.4s)
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float[] cloudX = { 9840, 9880, 9920, 9960, 10000, 10040, 10080, 10120, 10160 };
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float radius = 20;
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float total = 0;
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float prevX = 9800;
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for (int t = 0; t < 20; t++)
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{
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float nextX = prevX + 22.22f;
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foreach (float cx in cloudX)
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total += DamageAssessment.PathInSphere(prevX, 0, 0, nextX, 0, 0, cx, 0, 0, radius);
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prevX = nextX;
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}
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// 理论: 9×40m = 360m
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Assert.True(Math.Abs(total - 360f) < 10f, $"total={total:F1}, expected=360");
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}
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[Fact]
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public void TwoCloudsWithGap_GapYieldsNoExposure()
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{
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// 两朵云中心在20和80, R=20: 云1=[0,40], 云2=[60,100], 间隙=[40,60]
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float total = 0;
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float prevX = 0;
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for (int s = 0; s < 25; s++) // 100m / 4m = 25段
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{
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float nextX = prevX + 4;
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total += DamageAssessment.PathInSphere(prevX, 0, 0, nextX, 0, 0, 20, 0, 0, 20);
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total += DamageAssessment.PathInSphere(prevX, 0, 0, nextX, 0, 0, 80, 0, 0, 20);
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prevX = nextX;
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}
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// 每朵云直径40m，两朵共80m，间隙无暴露
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Assert.True(Math.Abs(total - 80f) < 1f, $"total={total:F2}, expected=80");
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}
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[Fact]
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public void TwoPointsInDifferentClouds_GapExcluded()
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{
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// 两朵云R=10, 边间距50: 云1中心(0), 云2中心(70)
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// 两点: 云1内(0)→云2内(70)
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float len1 = DamageAssessment.PathInSphere(0, 0, 0, 70, 0, 0, 0, 0, 0, 10);
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float len2 = DamageAssessment.PathInSphere(0, 0, 0, 70, 0, 0, 70, 0, 0, 10);
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float total = len1 + len2;
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Assert.True(Math.Abs(total - 20f) < 1f, $"total={total:F2}, expected=20 (10+10)");
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}
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}
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}
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