Files
LuaCsForBarotraumaEP/Barotrauma/BarotraumaTest/GenericToolBoxTests.cs
2024-06-18 16:50:02 +03:00

101 lines
3.7 KiB
C#

#nullable enable
using System;
using Xunit;
using Barotrauma;
using FluentAssertions;
using FsCheck;
using Microsoft.Xna.Framework;
namespace TestProject;
public sealed class GenericToolBoxTests
{
public class CustomGenerators
{
public static Arbitrary<DifferentIdentifierPair> IdentifierPairGenerator()
{
return Arb.From(from Identifier first in Arb.Generate<Identifier>().Where(first => !first.Value.Contains('~'))
from Identifier second in Arb.Generate<Identifier>().Where(second => second != first && !second.Value.Contains('~'))
select new DifferentIdentifierPair(first, second));
}
}
public readonly struct DifferentIdentifierPair
{
public readonly Identifier First,
Second;
public DifferentIdentifierPair(Identifier first, Identifier second)
{
if (first == second) { throw new InvalidOperationException("Identifiers must be different"); }
//tildes have a special meaning in stat identifiers, don't use them
if (first.Value.Contains('~')) { throw new InvalidOperationException($"{first} is not a valid identifier."); }
if (second.Value.Contains('~')) { throw new InvalidOperationException($"{second} is not a valid identifier."); }
First = first;
Second = second;
}
}
public GenericToolBoxTests()
{
Arb.Register<TestProject.CustomGenerators>();
Arb.Register<CustomGenerators>();
}
[Fact]
public void MatchesStatIdentifier()
{
Prop.ForAll<DifferentIdentifierPair>(static pair =>
{
ToolBox.StatIdentifierMatches(pair.First, $"{pair.First}~{pair.Second}".ToIdentifier()).Should().BeTrue();
ToolBox.StatIdentifierMatches($"{pair.First}~{pair.Second}".ToIdentifier(), pair.First).Should().BeTrue();
ToolBox.StatIdentifierMatches(pair.First, pair.First).Should().BeTrue();
ToolBox.StatIdentifierMatches(pair.First, $"{pair.Second}~{pair.First}".ToIdentifier()).Should().BeFalse();
ToolBox.StatIdentifierMatches(pair.First, pair.Second).Should().BeFalse();
}).VerboseCheckThrowOnFailure();
}
[Fact]
public void PointOnRectClosestToPoint()
{
RectangleF rect1 = new(0, 0, 5, 5);
Vector2 point1 = new(10, 10);
// Should be the bottom right corner of the rectangle
Test(rect1, point1, expectedClosest: new Vector2(5, 5));
RectangleF rect2 = new(0, 0, 5, 5);
Vector2 point2 = new(2, 10);
// Should be the bottom edge of the rectangle at x = 2 since the point is between the bottom left and bottom right corners
Test(rect2, point2, expectedClosest: new Vector2(2, 5));
RectangleF rect3 = new(0, 0, 5, 5);
Vector2 point3 = new(-10, -3);
// Should be the top left corner of the rectangle
Test(rect3, point3, expectedClosest: new Vector2(0, 0));
RectangleF rect4 = new(0, 0, 100, 100);
Vector2 point4 = new(55, 52);
// Should be the point itself since it's inside the rectangle
Test(rect4, point4, expectedClosest: point4);
RectangleF rect5 = new(0, 0, 100, 100);
Vector2 point5 = new(55, 102);
// Should be the top edge of the rectangle at y = 100 since the point is between the top left and top right corners
Test(rect5, point5, expectedClosest: new Vector2(55, 100));
void Test(RectangleF rect, Vector2 point, Vector2 expectedClosest)
{
var closest = ToolBox.GetClosestPointOnRectangle(rect, point);
closest.Should().BeEquivalentTo(expectedClosest);
}
}
}