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Code Issues Releases Wiki Activity

Added FailureConstraint that can look at an expected error

pull/83/head
David Hall 2019-07-24 12:56:34 -06:00
parent 09b29069c4
commit fbf395407d
1 changed files with 33 additions and 12 deletions
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45
UnitTests/CSharpRunner/SuccessfulConstraint.cs
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@ -1,4 +1,5 @@
using NUnit.Framework.Constraints;
using System;
namespace Vanara.PInvoke.Tests
{
@ -8,14 +9,33 @@ namespace Vanara.PInvoke.Tests
public static SuccessfulConstraint Successful => new SuccessfulConstraint();
public static ValueConstraint Value(object value) => new ValueConstraint(value);
public static ValidHandleConstraint ValidHandle => new ValidHandleConstraint();
public static FailureConstraint FailureCode(object expectedError) => new FailureConstraint(expectedError);
}
public class FailureConstraint : Constraint
{
public FailureConstraint()
public FailureConstraint(object expected = null)
{
switch (expected)
{
case null:
break;
case int i:
Expected = new Win32Error(i);
break;
case uint i:
Expected = new HRESULT(i);
break;
case IErrorProvider iep:
Expected = iep;
break;
default:
throw new ArgumentException();
}
}
public object Expected { get; }
public override ConstraintResult ApplyTo<TActual>(TActual actual)
{
var success = false;
@ -28,38 +48,39 @@ namespace Vanara.PInvoke.Tests
if (!b)
{
var le = Win32Error.GetLastError();
success = le.Failed;
if (Expected != null) Description = Expected.ToString();
success = Expected is null ? le.Failed : le.Failed && ((IErrorProvider)Expected).ToHRESULT().Equals(le.ToHRESULT());
updActual = le;
}
break;
case HRESULT hr:
success = hr.Failed;
Description = nameof(HRESULT.S_OK);
success = Expected is null ? hr.Failed : hr.Failed && ((IErrorProvider)Expected).ToHRESULT().Equals(hr);
Description = Expected?.ToString() ?? nameof(HRESULT.S_OK);
break;
case Win32Error err:
success = err.Failed;
Description = nameof(Win32Error.ERROR_SUCCESS);
success = Expected is null ? err.Failed : err.Failed && ((IErrorProvider)Expected).ToHRESULT().Equals(err.ToHRESULT());
Description = Expected?.ToString() ?? nameof(Win32Error.ERROR_SUCCESS);
break;
case NTStatus st:
success = st.Failed;
Description = nameof(NTStatus.STATUS_SUCCESS);
success = Expected is null ? st.Failed : st.Failed && ((IErrorProvider)Expected).ToHRESULT().Equals(((IErrorProvider)st).ToHRESULT());
Description = Expected?.ToString() ?? nameof(NTStatus.STATUS_SUCCESS);
break;
case int i:
var e = new Win32Error(i);
success = e.Failed;
success = Expected is null ? e.Failed : e.Failed && ((IErrorProvider)Expected).ToHRESULT().Equals(e.ToHRESULT());
updActual = e;
Description = nameof(Win32Error.ERROR_SUCCESS);
Description = Expected?.ToString() ?? nameof(Win32Error.ERROR_SUCCESS);
break;
case uint ui:
var h = new HRESULT(ui);
success = h.Failed;
success = Expected is null ? h.Failed : h.Failed && ((IErrorProvider)Expected).ToHRESULT().Equals(h);
updActual = h;
Description = nameof(HRESULT.S_OK);
Description = Expected?.ToString() ?? nameof(HRESULT.S_OK);
break;
default: