using System;
using Xunit;

namespace Server.Tests;

public class Point3DTests
{
    [Fact]
    public void TestPoint3DToString()
    {
        const int max = int.MaxValue;
        const int min = int.MinValue;
        Assert.Equal("(0, 0, 0)", new Point3D(0, 0, 0).ToString());
        Assert.Equal("(1, 1, 1)", new Point3D(1, 1, 1).ToString());
        Assert.Equal($"({max}, {max}, {max})", new Point3D(max, max, max).ToString());
        Assert.Equal($"({min}, {min}, {min})", new Point3D(min, min, min).ToString());
    }

    [Fact]
    public void TestPoint3DTryFormatSucceeds()
    {
        const int max = int.MaxValue;
        const int min = int.MinValue;
        char[] array = new char[128];

        var p1 = new Point3D(0, 0, 0);
        Assert.True(p1.TryFormat(array, out var cp1, null, null));
        Assert.Equal(6 + 3, cp1);
        Array.Clear(array);

        var p2 = new Point3D(1, 1, 1);
        Assert.True(p2.TryFormat(array, out var cp2, null, null));
        Assert.Equal(6 + 3, cp2);
        Array.Clear(array);

        var p3 = new Point3D(max, max, max);
        Assert.True(p3.TryFormat(array, out var cp3, null, null));
        Assert.Equal(6 + 30, cp3);
        Array.Clear(array);

        var p4 = new Point3D(min, min, min);
        Assert.True(p4.TryFormat(array, out var cp4, null, null));
        Assert.Equal(6 + 33, cp4);
    }

    [Fact]
    public void TestPoint3DTryFormatFails()
    {
        const int max = int.MaxValue;
        const int min = int.MinValue;
        char[] array = new char[1];

        var p1 = new Point3D(0, 0, 0);
        Assert.False(p1.TryFormat(array, out var cp1, null, null));
        Assert.Equal(0, cp1);
        Array.Clear(array);

        var p2 = new Point3D(1, 1, 1);
        Assert.False(p2.TryFormat(array, out var cp2, null, null));
        Assert.Equal(0, cp2);
        Array.Clear(array);

        var p3 = new Point3D(max, max, max);
        Assert.False(p3.TryFormat(array, out var cp3, null, null));
        Assert.Equal(0, cp3);
        Array.Clear(array);

        var p4 = new Point3D(min, min, min);
        Assert.False(p4.TryFormat(array, out var cp4, null, null));
        Assert.Equal(0, cp4);
    }
}