// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)

using System;
using System.IO;
using NUnit.Framework;
using ICSharpCode.NRefactory.VB.Parser;
using ICSharpCode.NRefactory.VB.Ast;

namespace ICSharpCode.NRefactory.VB.Tests.Ast
{
	[TestFixture]
	public class AttributeSectionTests
	{
		[Test]
		public void AttributeOnStructure()
		{
			string program = @"
<StructLayout( LayoutKind.Explicit )> _
Public Structure MyUnion

	<FieldOffset( 0 )> Public i As Integer
	< FieldOffset( 0 )> Public d As Double
	
End Structure 'MyUnion
";
			TypeDeclaration decl = ParseUtil.ParseGlobal<TypeDeclaration>(program);
			Assert.AreEqual("StructLayout", decl.Attributes[0].Attributes[0].Name);
		}
		
		[Test]
		public void AttributeOnModule()
		{
			string program = @"
<HideModule> _
Public Module MyExtra

	Public i As Integer
	Public d As Double
	
End Module
";
			TypeDeclaration decl = ParseUtil.ParseGlobal<TypeDeclaration>(program);
			Assert.AreEqual("HideModule", decl.Attributes[0].Attributes[0].Name);
		}
		
		[Test]
		public void GlobalAttribute()
		{
			string program = @"<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Public Class Form1
	
End Class";
			TypeDeclaration decl = ParseUtil.ParseGlobal<TypeDeclaration>(program);
			Assert.AreEqual("Microsoft.VisualBasic.CompilerServices.DesignerGenerated", decl.Attributes[0].Attributes[0].Name);
		}
		
		[Test]
		public void AssemblyAttribute()
		{
			string program = @"<assembly: System.Attribute()>";
			AttributeSection decl = ParseUtil.ParseGlobal<AttributeSection>(program);
			Assert.AreEqual(new Location(1, 1), decl.StartLocation);
			Assert.AreEqual("assembly", decl.AttributeTarget);
		}
		
		[Test]
		public void ModuleAttributeTargetEscaped()
		{
			// check that this doesn't crash the parser:
			ParseUtil.ParseGlobal<AttributeSection>("<[Module]: SuppressMessageAttribute>", true);
		}
	}
}