ModernUO/Projects/Server.Tests/Tests/Maps/MobileByDistanceEnumeratorTests.cs
Kamron Batman 1e4c32c809
fix: Exempts localhost from IPLimiter. Preps testing for io_uring (#2316)
### Summary
* Exempts localhost from IPLimiter
* Updates tests to have proper sequential testing with packets
* Updates tests to clean up NetState
2026-01-20 08:54:15 -08:00

608 lines
19 KiB
C#

using System;
using System.Collections.Generic;
using Xunit;
namespace Server.Tests.Maps;
[Collection("Sequential Server Tests")]
public class MobileByDistanceEnumeratorTests
{
[Fact]
public void MobileByDistanceEnumerator_ReturnsNearbyMobiles()
{
var map = Map.Felucca;
var center = new Point3D(100, 100, 0);
const int range = 5;
var mobiles = new TestMobile[3];
try
{
mobiles[0] = CreateMobile(map, new Point3D(102, 102, 0)); // Within range
mobiles[1] = CreateMobile(map, new Point3D(98, 98, 0)); // Within range
mobiles[2] = CreateMobile(map, new Point3D(110, 110, 0)); // Outside range
var found = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(center, range))
{
found.Add(mobile);
}
Assert.Equal(2, found.Count);
Assert.Contains(mobiles[0], found);
Assert.Contains(mobiles[1], found);
Assert.DoesNotContain(mobiles[2], found);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_DeletedMobilesAreSkipped()
{
var map = Map.Felucca;
var center = new Point3D(200, 200, 0);
const int range = 5;
var mobiles = new TestMobile[3];
try
{
mobiles[0] = CreateMobile(map, new Point3D(202, 202, 0));
mobiles[1] = CreateMobile(map, new Point3D(203, 202, 0));
mobiles[2] = CreateMobile(map, new Point3D(204, 202, 0));
mobiles[1].Delete();
var found = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(center, range))
{
found.Add(mobile);
}
Assert.Equal(2, found.Count);
Assert.Contains(mobiles[0], found);
Assert.Contains(mobiles[2], found);
Assert.DoesNotContain(mobiles[1], found);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_ReturnsMinDistance()
{
var map = Map.Felucca;
var center = new Point3D(300, 300, 0);
const int range = 10;
var mobiles = new TestMobile[2];
try
{
mobiles[0] = CreateMobile(map, new Point3D(305, 305, 0));
mobiles[1] = CreateMobile(map, new Point3D(302, 302, 0));
var foundWithDistance = new List<(Mobile, int)>();
foreach (var result in map.GetMobilesInRangeByDistance(center, range))
{
foundWithDistance.Add(result);
}
Assert.Equal(2, foundWithDistance.Count);
// Each mobile should have a non-negative min distance
Assert.All(foundWithDistance, item => Assert.True(item.Item2 >= 0));
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_OrderedBySector()
{
var map = Map.Felucca;
var center = new Point3D(400, 400, 0);
const int range = Map.SectorSize * 2;
var mobiles = new TestMobile[3];
try
{
// Place mobiles in different sectors
mobiles[0] = CreateMobile(map, new Point3D(center.X + 2, center.Y + 2, 0));
mobiles[1] = CreateMobile(map, new Point3D(center.X + Map.SectorSize + 2, center.Y + 2, 0));
mobiles[2] = CreateMobile(map, new Point3D(center.X + 2, center.Y + Map.SectorSize + 2, 0));
var found = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(center, range))
{
found.Add(mobile);
}
Assert.Equal(3, found.Count);
Assert.Contains(mobiles[0], found);
Assert.Contains(mobiles[1], found);
Assert.Contains(mobiles[2], found);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_MapNullYieldsEmpty()
{
var center = new Point2D(0, 0);
var bounds = new Rectangle2D(center.m_X - 10, center.m_Y - 10, 21, 21);
var enumerator = new Map.MobileDistanceEnumerable<Mobile>(null, bounds, center, false).GetEnumerator();
Assert.False(enumerator.MoveNext());
}
[Fact]
public void MobileByDistanceEnumerator_ThrowsOnVersionChange()
{
var map = Map.Felucca;
var center = new Point3D(500, 500, 0);
const int range = 5;
var mobiles = new[]
{
CreateMobile(map, new Point3D(502, 502, 0)),
CreateMobile(map, new Point3D(503, 502, 0))
};
try
{
var enumerator = map.GetMobilesInRangeByDistance(center, range).GetEnumerator();
Assert.True(enumerator.MoveNext());
mobiles[1].Delete();
// Ref structs cannot be captured in lambdas, so we test the exception directly
var exceptionThrown = false;
try
{
enumerator.MoveNext();
}
catch (InvalidOperationException)
{
exceptionThrown = true;
}
Assert.True(exceptionThrown, "Expected InvalidOperationException when collection version changes");
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_ZeroRangeReturnsOnlyCenter()
{
var map = Map.Felucca;
var center = new Point3D(600, 600, 0);
const int range = 0;
var mobiles = new TestMobile[2];
try
{
mobiles[0] = CreateMobile(map, center); // Exact center
mobiles[1] = CreateMobile(map, new Point3D(601, 600, 0)); // 1 tile away
var found = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(center, range))
{
found.Add(mobile);
}
Assert.Single(found);
Assert.Equal(mobiles[0], found[0]);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_FiltersByType()
{
var map = Map.Felucca;
var center = new Point3D(700, 700, 0);
const int range = 5;
var player = new TestPlayerMobile(World.NewMobile);
var npc = new TestMobile(World.NewMobile);
try
{
player.DefaultMobileInit();
npc.DefaultMobileInit();
player.MoveToWorld(new Point3D(702, 702, 0), map);
npc.MoveToWorld(new Point3D(703, 702, 0), map);
var foundPlayers = new List<TestPlayerMobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance<TestPlayerMobile>(center, range))
{
foundPlayers.Add(mobile);
}
Assert.Single(foundPlayers);
Assert.Equal(player, foundPlayers[0]);
}
finally
{
player.Delete();
npc.Delete();
}
}
[Fact]
public void MobileByDistanceEnumerator_UsesDifferentPointOverloads()
{
var map = Map.Felucca;
var center = new Point3D(800, 800, 5);
const int range = 5;
var mobiles = new TestMobile[1];
try
{
mobiles[0] = CreateMobile(map, new Point3D(802, 802, 0));
// Test Point3D overload
var found1 = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(center, range))
{
found1.Add(mobile);
}
// Test (int, int) overload
var found2 = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance<Mobile>(center.X, center.Y, range))
{
found2.Add(mobile);
}
// Test Point2D overload
var found3 = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(new Point2D(center.X, center.Y), range))
{
found3.Add(mobile);
}
Assert.Single(found1);
Assert.Equal(mobiles[0], found1[0]);
Assert.Equal(found1, found2);
Assert.Equal(found1, found3);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_RingTraversal()
{
var map = Map.Felucca;
var center = new Point3D(900, 900, 0);
const int range = Map.SectorSize * 2;
var mobiles = new TestMobile[4];
try
{
// Place mobiles in different rings around the center
mobiles[0] = CreateMobile(map, center); // Ring 0 (center sector)
mobiles[1] = CreateMobile(map, new Point3D(center.X + Map.SectorSize, center.Y, 0)); // Ring 1
mobiles[2] = CreateMobile(map, new Point3D(center.X, center.Y + Map.SectorSize, 0)); // Ring 1
mobiles[3] = CreateMobile(map, new Point3D(center.X + Map.SectorSize * 2 - 1, center.Y, 0)); // Ring 2
var found = new List<Mobile>();
var distances = new List<int>();
foreach (var (mobile, minDistance) in map.GetMobilesInRangeByDistance(center, range))
{
found.Add(mobile);
distances.Add(minDistance);
}
// All mobiles should be found
Assert.Equal(4, found.Count);
Assert.Contains(mobiles[0], found);
Assert.Contains(mobiles[1], found);
Assert.Contains(mobiles[2], found);
Assert.Contains(mobiles[3], found);
// Mobiles should be processed by sector distance (ring-based)
// The center mobile should have distance 0
var centerIndex = found.IndexOf(mobiles[0]);
Assert.Equal(0, distances[centerIndex]);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_MapBoundsAreClamped()
{
var map = Map.Felucca;
var width = map.Width;
var height = map.Height;
var center = new Point3D(width - 2, height - 2, 0);
const int range = Map.SectorSize * 2;
var mobiles = new TestMobile[1];
try
{
mobiles[0] = CreateMobile(map, center);
var found = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(center, range))
{
found.Add(mobile);
}
Assert.Single(found);
Assert.Equal(mobiles[0], found[0]);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_NegativeRangeIsZero()
{
var map = Map.Felucca;
var center = new Point3D(1000, 1000, 0);
const int range = -5;
var mobiles = new TestMobile[2];
try
{
mobiles[0] = CreateMobile(map, center);
mobiles[1] = CreateMobile(map, new Point3D(1001, 1000, 0));
var found = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(center, range))
{
found.Add(mobile);
}
// With negative range creating a 1x1 bounds, only exact center matches
Assert.Single(found);
Assert.Equal(mobiles[0], found[0]);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_MultipleRings()
{
var map = Map.Felucca;
var center = new Point3D(1100, 1100, 0);
const int range = Map.SectorSize * 3;
var mobiles = new List<TestMobile>();
try
{
// Create a grid of mobiles across multiple sectors
for (var ringOffset = 0; ringOffset <= 2; ringOffset++)
{
for (var side = 0; side < 4; side++)
{
var offset = ringOffset * Map.SectorSize;
var pos = side switch
{
0 => new Point3D(center.X + offset, center.Y, 0),
1 => new Point3D(center.X, center.Y + offset, 0),
2 => new Point3D(center.X - offset, center.Y, 0),
_ => new Point3D(center.X, center.Y - offset, 0)
};
mobiles.Add(CreateMobile(map, pos));
}
}
var found = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInRangeByDistance(center, range))
{
found.Add(mobile);
}
// Should find all mobiles within range
Assert.True(found.Count > 0);
Assert.All(found, mobile =>
{
var dx = mobile.X - center.X;
var dy = mobile.Y - center.Y;
var distSq = dx * dx + dy * dy;
Assert.True(distSq <= range * range);
});
}
finally
{
foreach (var mobile in mobiles)
{
mobile?.Delete();
}
}
}
private static TestMobile CreateMobile(Map map, Point3D location)
{
var mobile = new TestMobile(World.NewMobile);
mobile.DefaultMobileInit();
mobile.MoveToWorld(location, map);
return mobile;
}
private static void DeleteAll(TestMobile[] mobiles)
{
for (var i = 0; i < mobiles.Length; i++)
{
mobiles[i]?.Delete();
}
}
[Fact]
public void MobileByDistanceEnumerator_Bounds_FindsMobilesInBounds()
{
var map = Map.Felucca;
var bounds = new Rectangle2D(100, 100, 50, 50);
var mobiles = new TestMobile[3];
try
{
// Mobile inside bounds
mobiles[0] = CreateMobile(map, new Point3D(120, 120, 0));
// Mobile at edge of bounds
mobiles[1] = CreateMobile(map, new Point3D(149, 149, 0));
// Mobile outside bounds
mobiles[2] = CreateMobile(map, new Point3D(200, 200, 0));
var found = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInBoundsByDistance<Mobile>(bounds))
{
found.Add(mobile);
}
Assert.Equal(2, found.Count);
Assert.Contains(mobiles[0], found);
Assert.Contains(mobiles[1], found);
Assert.DoesNotContain(mobiles[2], found);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_Bounds_MakeBoundsInclusive()
{
var map = Map.Felucca;
var bounds = new Rectangle2D(100, 100, 50, 50);
var mobiles = new TestMobile[2];
try
{
// Mobile at edge (inclusive)
mobiles[0] = CreateMobile(map, new Point3D(149, 149, 0));
// Mobile just outside edge (will be included with makeBoundsInclusive)
mobiles[1] = CreateMobile(map, new Point3D(150, 150, 0));
var foundWithoutInclusive = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInBoundsByDistance<Mobile>(bounds))
{
foundWithoutInclusive.Add(mobile);
}
var foundWithInclusive = new List<Mobile>();
foreach (var (mobile, _) in map.GetMobilesInBoundsByDistance<Mobile>(bounds, true))
{
foundWithInclusive.Add(mobile);
}
Assert.Single(foundWithoutInclusive);
Assert.Contains(mobiles[0], foundWithoutInclusive);
Assert.Equal(2, foundWithInclusive.Count);
Assert.Contains(mobiles[0], foundWithInclusive);
Assert.Contains(mobiles[1], foundWithInclusive);
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_Bounds_ReturnsMinDistance()
{
var map = Map.Felucca;
var bounds = new Rectangle2D(300, 300, 20, 20);
var mobiles = new TestMobile[2];
try
{
mobiles[0] = CreateMobile(map, new Point3D(305, 305, 0));
mobiles[1] = CreateMobile(map, new Point3D(315, 315, 0));
var foundWithDistance = new List<(Mobile, int)>();
foreach (var result in map.GetMobilesInBoundsByDistance<Mobile>(bounds))
{
foundWithDistance.Add(result);
}
Assert.Equal(2, foundWithDistance.Count);
Assert.All(foundWithDistance, item => Assert.True(item.Item2 >= 0));
}
finally
{
DeleteAll(mobiles);
}
}
[Fact]
public void MobileByDistanceEnumerator_Bounds_OrdersByProximityToCenter()
{
var map = Map.Felucca;
var bounds = new Rectangle2D(500, 500, 64, 64);
var mobiles = new TestMobile[3];
try
{
// Place mobiles at different distances from center
mobiles[0] = CreateMobile(map, new Point3D(532, 532, 0)); // At center
mobiles[1] = CreateMobile(map, new Point3D(548, 532, 0)); // 16 tiles away
mobiles[2] = CreateMobile(map, new Point3D(563, 563, 0)); // Far corner
var found = new List<(Mobile, int)>();
foreach (var result in map.GetMobilesInBoundsByDistance<Mobile>(bounds))
{
found.Add(result);
}
Assert.Equal(3, found.Count);
// Verify ordering by distance - closer mobiles should be found earlier (lower minDistance)
var mobile0Index = found.FindIndex(x => x.Item1 == mobiles[0]);
var mobile1Index = found.FindIndex(x => x.Item1 == mobiles[1]);
var mobile2Index = found.FindIndex(x => x.Item1 == mobiles[2]);
// The minDistance should increase (or stay the same) as we go through the list
Assert.True(found[mobile0Index].Item2 <= found[mobile1Index].Item2);
Assert.True(found[mobile1Index].Item2 <= found[mobile2Index].Item2);
}
finally
{
DeleteAll(mobiles);
}
}
// Test implementation of Mobile
private class TestMobile : Mobile
{
public TestMobile(Serial serial) : base(serial)
{
}
}
private class TestPlayerMobile : Mobile
{
public TestPlayerMobile(Serial serial) : base(serial)
{
}
}
}