SharpDevelop/ICSharpCode.NRefactory.Tests/FormattingTests/TestFormattingBugs.cs

// 
// TestFormattingBugs.cs
//  
// Author:
//       Mike Krüger <mkrueger@novell.com>
// 
// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons 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 FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.IO;
using NUnit.Framework;
using ICSharpCode.NRefactory.CSharp;

namespace ICSharpCode.NRefactory.CSharp.FormattingTests
{
	[TestFixture()]
	public class TestFormattingBugs : TestBase
	{
		/// <summary>
		/// Bug 325187 - Bug in smart indent
		/// </summary>
		[Test()]
		public void TestBug325187 ()
		{
			CSharpFormattingOptions policy = FormattingOptionsFactory.CreateMono ();
			policy.PlaceElseOnNewLine = true;
			
			TestStatementFormatting (policy,
@"foreach (int i in myints)
if (i == 6)
Console.WriteLine (""Yeah"");
else
Console.WriteLine (""Bad indent"");",
@"foreach (int i in myints)
	if (i == 6)
		Console.WriteLine (""Yeah"");
	else
		Console.WriteLine (""Bad indent"");");
		}
		
		/// <summary>
		/// Bug 415469 - return ternary in a switch is not tabbed properly
		/// </summary>
		[Test()]
		public void TestBug415469 ()
		{
			CSharpFormattingOptions policy = FormattingOptionsFactory.CreateMono ();
			
			TestStatementFormatting (policy,
@"switch (condition) {
case CONDITION1:
return foo != null ? foo.Bar : null;
case CONDITION2:
string goo = foo != null ? foo.Bar : null;
return ""Should be indented like this"";
}", @"switch (condition) {
case CONDITION1:
	return foo != null ? foo.Bar : null;
case CONDITION2:
	string goo = foo != null ? foo.Bar : null;
	return ""Should be indented like this"";
}");
		}
		
		/// <summary>
		/// Bug 540043 - Format option for alignment of using-statements
		/// </summary>
		[Test()]
		public void TestBug540043 ()
		{
			CSharpFormattingOptions policy = FormattingOptionsFactory.CreateMono ();
			
			TestStatementFormatting (policy,
@"using (IDisposable a = null)
   using (IDisposable b = null) {
			int c;
   }
", @"using (IDisposable a = null)
using (IDisposable b = null) {
	int c;
}");
		}
		
		/// <summary>
		/// Bug 655635 - Auto format document doesn't indent comments as well
		/// </summary>
		[Test()]
		public void TestBug655635 ()
		{
			CSharpFormattingOptions policy = FormattingOptionsFactory.CreateMono ();
			
			TestStatementFormatting (policy,
@"try {
 // Comment 1
	myObject.x = Run ();
} catch (InvalidOperationException e) {
	Console.WriteLine (e.Message);
}", @"try {
	// Comment 1
	myObject.x = Run ();
} catch (InvalidOperationException e) {
	Console.WriteLine (e.Message);
}");
		}

		void TestStatementFormatting (CSharpFormattingOptions policy, string input, string expectedOutput)
		{
			var result = GetResult (policy, @"class Test
{
	MyType TestMethod ()
	{
		" + input + @"
	}
}");
			int start = result.GetOffset (5, 1);
			int end = result.GetOffset (result.LineCount - 1, 1);
			string text = result.GetText (start, end - start).Trim ();
			expectedOutput = NormalizeNewlines(expectedOutput).Replace ("\n", "\n\t\t");
			if (expectedOutput != text)
				Console.WriteLine (text);
			Assert.AreEqual (expectedOutput, text);
		}

		/// <summary>
		///  Bug 659675 - on-the-fly code formatting breaks @-prefixed identifiers
		/// </summary>
		[Test()]
		public void TestBug659675 ()
		{
			CSharpFormattingOptions policy = FormattingOptionsFactory.CreateMono ();
			TestStatementFormatting (policy, "@string=@int;", "@string = @int;");
		}
		
		/// <summary>
		/// Bug 670213 - Document formatter deletes valid text!
		/// </summary>
		[Test()]
		public void TestBug670213 ()
		{
			CSharpFormattingOptions policy = FormattingOptionsFactory.CreateMono ();
			policy.MethodBraceStyle = BraceStyle.EndOfLine;
			
			Test (policy, @"class Test
{
	Test MyMethod() // Comment
	{
	}
}",
@"class Test
{
	Test MyMethod () { // Comment
	}
}");
		}
		
		
		/// <summary>
		/// Bug 677261 - Format Document with constructor with over-indented opening curly brace
		/// </summary>
		[Test()]
		public void TestBug677261 ()
		{
			CSharpFormattingOptions policy = FormattingOptionsFactory.CreateMono ();
			policy.ConstructorBraceStyle = BraceStyle.EndOfLine;
			
			Test (policy, @"class Test
{
	Test ()
	   {
	}
}",
@"class Test
{
	Test () {
	}
}");
		}
		
		/// <summary>
		/// Bug 3586 -Format code is removing try { code blocks
		/// </summary>
		[Test()]
		public void TestBug3586 ()
		{
			var policy = FormattingOptionsFactory.CreateMono ();
			policy.ConstructorBraceStyle = BraceStyle.EndOfLine;
			
			Test (policy, @"public class A
{
	public object GetValue ()
        {
            try
            {
foo ();
            }
            catch
            {
            }
        }
}",
@"public class A
{
	public object GetValue ()
	{
		try {
			foo ();
		} catch {
		}
	}
}");
		}
		
	}
}