public void WhenChainingTypedTasksWithThenShouldChain()
{
// Arrange
var stringBuilder = new StringBuilder();
var s = new TaskImmediateScheduler();
// Act
Task.Factory.StartNew(() => stringBuilder.Append("Hello"), s)
.Then(sb => sb.Append(" "), s)
.Then(sb => sb.Append("World"), s);
// Assert
Assert.That(stringBuilder.ToString(), Is.EqualTo("Hello World"));
}
public void WhenChainingTypedTasksWithExceptionShouldCatch()
{
// Arrange
var stringBuilder = new StringBuilder();
var s = new TaskImmediateScheduler();
// Act
Task.Factory.StartNew(() => stringBuilder.Append("Hello"), s)
.Then(sb =>
{
throw new Exception(" Exception!");
}, s)
.Then <StringBuilder>(sb => sb.Append("World"), s)
.Catch(ex => stringBuilder.Append(ex.Flatten().InnerExceptions.First().Message), s);
// Assert
Assert.That(stringBuilder.ToString(), Is.EqualTo("Hello Exception!"));
}
public void WhenChainingTypedTasksWithReturnValueAndExceptionShouldCatch()
{
// Arrange
var stringBuilder = new StringBuilder();
var s = new TaskImmediateScheduler();
// Act
Task.Factory.StartNew(() => stringBuilder.Append("Hello"), s)
.Then(sb =>
{
throw new Exception(" Exception!");
}, s)
// ReSharper disable once RedundantTypeArgumentsOfMethod
.Then <StringBuilder, StringBuilder>(sb =>
{
// ReSharper disable once ConvertToLambdaExpression
return(sb.Append("World"));
}, s)
.Catch(ex => stringBuilder.Append(ex.Flatten().InnerExceptions.First().Message), s);
// Assert
Assert.That(stringBuilder.ToString(), Is.EqualTo("Hello Exception!"));
}
