SharpDevelop/ICSharpCode.NRefactory.Tests/CSharp/Parser/GeneralScope/PreprocessorDirectiveTests.cs

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using System;
using System.Linq;
using NUnit.Framework;

namespace ICSharpCode.NRefactory.CSharp.Parser.GeneralScope
{
	[TestFixture]
	public class PreprocessorDirectiveTests
	{
		[Test]
		public void InactiveIf()
		{
			string program = @"namespace NS {
	#if SOMETHING
	class A {}
	#endif
}";
			NamespaceDeclaration ns = ParseUtilCSharp.ParseGlobal<NamespaceDeclaration>(program);
			Assert.AreEqual(0, ns.Members.Count);
			
			Assert.AreEqual(new Role[] {
			                	NamespaceDeclaration.NamespaceKeywordRole,
			                	AstNode.Roles.Identifier,
			                	AstNode.Roles.LBrace,
			                	AstNode.Roles.PreProcessorDirective,
			                	AstNode.Roles.Comment,
			                	AstNode.Roles.PreProcessorDirective,
			                	AstNode.Roles.RBrace
			                }, ns.Children.Select(c => c.Role).ToArray());
			
			var pp = ns.GetChildrenByRole(AstNode.Roles.PreProcessorDirective);
			
			Assert.AreEqual(PreProcessorDirectiveType.If, pp.First().Type);
			Assert.IsFalse(pp.First().Take);
			Assert.AreEqual("SOMETHING", pp.First().Argument);
			Assert.AreEqual(new TextLocation(2, 2), pp.First().StartLocation);
			Assert.AreEqual(new TextLocation(2, 15), pp.First().EndLocation);
			
			var comment = ns.GetChildByRole(AstNode.Roles.Comment);
			Assert.AreEqual(CommentType.InactiveCode, comment.CommentType);
			Assert.AreEqual(new TextLocation(3, 1), comment.StartLocation);
			Assert.AreEqual(new TextLocation(4, 2), comment.EndLocation);
			Assert.AreEqual("\tclass A {}\n\t", comment.Content.Replace("\r", ""));
			
			Assert.AreEqual(PreProcessorDirectiveType.Endif, pp.Last().Type);
			Assert.AreEqual(string.Empty, pp.Last().Argument);
			Assert.AreEqual(new TextLocation(4, 2), pp.Last().StartLocation);
			Assert.AreEqual(new TextLocation(4, 8), pp.Last().EndLocation);
		}
		
		[Ignore("Fixme!")]
		[Test]
		public void NestedInactiveIf()
		{
			string program = @"namespace NS {
	#if SOMETHING
	class A {
		#if B
		void M() {}
		#endif
	}
	#endif
}";
			NamespaceDeclaration ns = ParseUtilCSharp.ParseGlobal<NamespaceDeclaration>(program);
			Assert.AreEqual(0, ns.Members.Count);
			
			Assert.AreEqual(new Role[] {
			                	NamespaceDeclaration.NamespaceKeywordRole,
			                	AstNode.Roles.Identifier,
			                	AstNode.Roles.LBrace,
			                	AstNode.Roles.PreProcessorDirective,
			                	AstNode.Roles.Comment,
			                	AstNode.Roles.PreProcessorDirective,
			                	AstNode.Roles.Comment,
			                	AstNode.Roles.PreProcessorDirective,
			                	AstNode.Roles.Comment,
			                	AstNode.Roles.PreProcessorDirective,
			                	AstNode.Roles.RBrace
			                }, ns.Children.Select(c => c.Role).ToArray());
		}
		
		[Ignore("Fixme!")]
		[Test]
		public void CommentOnEndOfIfDirective()
		{
			string program = @"namespace NS {
	#if SOMETHING // comment
	class A { }
	#endif
}";
			NamespaceDeclaration ns = ParseUtilCSharp.ParseGlobal<NamespaceDeclaration>(program);
			Assert.AreEqual(0, ns.Members.Count);
			
			Assert.AreEqual(new Role[] {
			                	NamespaceDeclaration.NamespaceKeywordRole,
			                	AstNode.Roles.Identifier,
			                	AstNode.Roles.LBrace,
			                	AstNode.Roles.PreProcessorDirective,
			                	AstNode.Roles.Comment,
			                	AstNode.Roles.Comment,
			                	AstNode.Roles.PreProcessorDirective,
			                	AstNode.Roles.RBrace
			                }, ns.Children.Select(c => c.Role).ToArray());
			Assert.AreEqual(CommentType.SingleLine, ns.GetChildrenByRole(AstNode.Roles.Comment).First().CommentType);
			Assert.AreEqual(CommentType.InactiveCode, ns.GetChildrenByRole(AstNode.Roles.Comment).Last().CommentType);
		}
		
		[Ignore("Fixme!")]
		[Test]
		public void PragmaWarning()
		{
			string program = "#pragma warning disable 809";
			var ppd = ParseUtilCSharp.ParseGlobal<PreProcessorDirective>(program);
			Assert.AreEqual(PreProcessorDirectiveType.Pragma, ppd.Type);
			Assert.AreEqual("warning disable 809", ppd.Argument);
		}
	}
}