private void RunOnCurrentThread()
{
var previousState = SandboxedThreadState.Capture();
try
{
Context.CurrentTest = this.Test;
Context.CurrentResult = this.Result;
Context.Listener.TestStarted(this.Test);
Context.StartTime = DateTime.UtcNow;
Context.StartTicks = Stopwatch.GetTimestamp();
#if PARALLEL
Context.TestWorker = this.TestWorker;
#endif
Context.EstablishExecutionEnvironment();
State = WorkItemState.Running;
PerformWork();
}
finally
{
previousState.Restore();
}
}
private IEnumerable <ITestCaseData> GetTestCasesFor(IMethodInfo method)
{
List <ITestCaseData> data = new List <ITestCaseData>();
try
{
IEnumerable source;
var previousState = SandboxedThreadState.Capture();
try
{
source = GetTestCaseSource(method);
}
finally
{
previousState.Restore();
}
if (source != null)
{
foreach (object item in source)
{
// First handle two easy cases:
// 1. Source is null. This is really an error but if we
// throw an exception we simply get an invalid fixture
// without good info as to what caused it. Passing a
// single null argument will cause an error to be
// reported at the test level, in most cases.
// 2. User provided an ITestCaseData and we just use it.
ITestCaseData parms = item == null
? new TestCaseParameters(new object[] { null })
: item as ITestCaseData;
if (parms == null)
{
object[] args = null;
// 3. An array was passed, it may be an object[]
// or possibly some other kind of array, which
// TestCaseSource can accept.
var array = item as Array;
if (array != null)
{
// If array has the same number of elements as parameters
// and it does not fit exactly into single existing parameter
// we believe that this array contains arguments, not is a bare
// argument itself.
var parameters = method.GetParameters();
var argsNeeded = parameters.Length;
if (argsNeeded > 0 && argsNeeded == array.Length && parameters[0].ParameterType != array.GetType())
{
args = new object[array.Length];
for (var i = 0; i < array.Length; i++)
{
args[i] = array.GetValue(i);
}
}
}
if (args == null)
{
args = new object[] { item };
}
parms = new TestCaseParameters(args);
}
if (this.Category != null)
{
foreach (string cat in this.Category.Split(new char[] { ',' }))
{
parms.Properties.Add(PropertyNames.Category, cat);
}
}
data.Add(parms);
}
}
else
{
data.Clear();
data.Add(new TestCaseParameters(new Exception("The test case source could not be found.")));
}
}
catch (Exception ex)
{
data.Clear();
data.Add(new TestCaseParameters(ex));
}
return(data);
}
