SharpDevelop/ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/ExplicitConversionInForEachIssueTests.cs

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using System;
using ICSharpCode.NRefactory.CSharp.CodeActions;
using ICSharpCode.NRefactory.CSharp.Refactoring;
using NUnit.Framework;

namespace ICSharpCode.NRefactory.CSharp.CodeIssues
{
	[TestFixture]
	public class ExplicitConversionInForEachIssueTests : InspectionActionTestBase
	{
		[Test]
		public void NoWarningOnNonGenericCollection ()
		{
			var input = @"class Foo {
	void Bar (System.Collections.ArrayList c)
	{
		foreach (string element in c) { }
	}
}";

			TestRefactoringContext context;
			var issues = GetIssues (new ExplicitConversionInForEachIssue (), input, out context);
			Assert.AreEqual (0, issues.Count);
		}
		
		[Test]
		public void NoWarningOnImplicitConversion ()
		{
			var input = @"class Foo {
	void Bar (System.Collections.Generic.List<int> c)
	{
		foreach (double element in c) { }
	}
}";

			TestRefactoringContext context;
			var issues = GetIssues (new ExplicitConversionInForEachIssue (), input, out context);
			Assert.AreEqual (0, issues.Count);
		}
		
		[Test]
		public void WarningOnExplicitConversionBetweenInterfaces ()
		{
			var input = @"using System.Collections.Generic;
class Foo {
	void Bar (IList<IList<IDisposable>> c)
	{
		foreach (IDisposable element in c) { }
	}
}";

			TestRefactoringContext context;
			var issues = GetIssues (new ExplicitConversionInForEachIssue (), input, out context);
			Assert.AreEqual (1, issues.Count);
		}
	}
}