SubstringSafe.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.IO;
 
using Barotrauma;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Graphics;
using HarmonyLib;
using CrabUI;
 
namespace CrabUITest
{
 
  public class SubstringSafeTest : UnitTest
  {
    public override void Execute(string method = null)
    {
      string s = "qwerty";
      Describe("SubstringSafe(int start, int length)", () =>
      {
        Describe("empty string", () =>
        {
          Expect("".SubstringSafe(0, 1)).ToBeEqual("");
        });
 
        Describe("1 letter", () =>
        {
          Expect(s.SubstringSafe(0, 1)).ToBeEqual("q");
          Expect(s.SubstringSafe(1, 1)).ToBeEqual("w");
          Expect(s.SubstringSafe(2, 1)).ToBeEqual("e");
          Expect(s.SubstringSafe(3, 1)).ToBeEqual("r");
          Expect(s.SubstringSafe(4, 1)).ToBeEqual("t");
          Expect(s.SubstringSafe(5, 1)).ToBeEqual("y");
          Expect(s.SubstringSafe(6, 1)).ToBeEqual("");
        });
 
        Describe("out of bounds", () =>
        {
          Expect(s.SubstringSafe(-100, 6)).ToBeEqual("");
          Expect(s.SubstringSafe(100, 10)).ToBeEqual("");
          Expect(s.SubstringSafe(0, 100)).ToBeEqual("qwerty");
          Expect(s.SubstringSafe(-50, 100)).ToBeEqual("qwerty");
          Expect(s.SubstringSafe(0, 6)).ToBeEqual("qwerty");
        });
      });
 
      Describe("SubstringSafe(int start)", () =>
      {
        Expect("".SubstringSafe(0)).ToBeEqual("");
        Expect("".SubstringSafe(100)).ToBeEqual("");
        Expect("".SubstringSafe(-100)).ToBeEqual("");
        Expect(s.SubstringSafe(-100)).ToBeEqual("qwerty");
        Expect(s.SubstringSafe(0)).ToBeEqual("qwerty");
        Expect(s.SubstringSafe(1)).ToBeEqual("werty");
        Expect(s.SubstringSafe(2)).ToBeEqual("erty");
        Expect(s.SubstringSafe(3)).ToBeEqual("rty");
        Expect(s.SubstringSafe(4)).ToBeEqual("ty");
        Expect(s.SubstringSafe(5)).ToBeEqual("y");
        Expect(s.SubstringSafe(6)).ToBeEqual("");
        Expect(s.SubstringSafe(100)).ToBeEqual("");
      });
    }
 
  }
}