ILSpy/ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.cs

// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// DEALINGS IN THE SOFTWARE.

using System;

namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
{
	public static class Switch
	{
		public static string SparseIntegerSwitch(int i)
		{
			Console.WriteLine("SparseIntegerSwitch: " + i);
			switch (i) {
				case -10000000: {
					return "-10 mln";
				}
				case -100: {
					return "-hundred";
				}
				case -1: {
					return "-1";
				}
				case 0: {
					return "0";
				}
				case 1: { 
					return "1";
				}
				case 2: {
					return "2";
				}
				case 4: {
					return "4";
				}
				case 100: {
					return "hundred";
				}
				case 10000: {
					return "ten thousand";
				}
				case 10001: {
					return "ten thousand and one";
				}
				case 2147483647: {
					return "int.MaxValue";
				}
				default: {
					return "something else";
				}
			}
		}

		public static string ShortSwitchOverString(string text)
		{
			Console.WriteLine("ShortSwitchOverString: " + text);
			switch (text) {
				case "First case": {
					return "Text1";
				}
				case "Second case": {
					return "Text2";
				}
				case "Third case": {
					return "Text3";
				}
				default: {
					return "Default";
				}
			}
		}

		public static string SwitchOverString1(string text)
		{
			Console.WriteLine("SwitchOverString1: " + text);
			switch (text) {
				case "First case": {
					return "Text1";
				}
				case "Second case":
				case "2nd case": {
					return "Text2";
				}
				case "Third case": {
					return "Text3";
				}
				case "Fourth case": {
					return "Text4";
				}
				case "Fifth case": {
					return "Text5";
				}
				case "Sixth case": {
					return "Text6";
				}
				case (string)null: {
					return (string)null;
				}
				default: {
					return "Default";
				}
			}
		}

		public static string SwitchOverString2()
		{
			Console.WriteLine("SwitchOverString2:");
			switch (Environment.UserName) {
				case "First case": {
					return "Text1";
				}
				case "Second case": {
					return "Text2";
				}
				case "Third case": {
					return "Text3";
				}
				case "Fourth case": {
					return "Text4";
				}
				case "Fifth case": {
					return "Text5";
				}
				case "Sixth case": {
					return "Text6";
				}
				case "Seventh case": {
					return "Text7";
				}
				case "Eighth case": {
					return "Text8";
				}
				case "Ninth case": {
					return "Text9";
				}
				case "Tenth case": {
					return "Text10";
				}
				case "Eleventh case": {
					return "Text11";
				}
				default: {
					return "Default";
				}
			}
		}

		public static string SwitchOverBool(bool b)
		{
			Console.WriteLine("SwitchOverBool: " + b.ToString());
			switch (b) {
				case true: {
					return bool.TrueString;
				}
				case false: {
					return bool.FalseString;
				}
				default: {
					return null;
				}
			}
		}

		public static void SwitchInLoop(int i)
		{
			Console.WriteLine("SwitchInLoop: " + i);
			while (true) {
				switch (i) {
					case 1:
						Console.WriteLine("one");
						break;
					case 2:
						Console.WriteLine("two");
						break;
					case 3:
						Console.WriteLine("three");
						continue;
					case 4:
						Console.WriteLine("four");
						return;
					default:
						Console.WriteLine("default");
						Console.WriteLine("more code");
						return;
				}
				i++;
			}
		}

		public static void SwitchWithGoto(int i)
		{
			Console.WriteLine("SwitchWithGoto: " + i);
			switch (i) {
				case 1:
					Console.WriteLine("one");
					goto default;
				case 2:
					Console.WriteLine("two");
					goto case 3;
				case 3:
					Console.WriteLine("three");
					break;
				case 4:
					Console.WriteLine("four");
					return;
				default:
					Console.WriteLine("default");
					break;
			}
		}
	}
}