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implemeted new cancellable promises concept
implemeted new cancellable promises concept

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r10:aa33d0bb8c0c promises
r10:aa33d0bb8c0c promises
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AsyncTests.cs
127 lines | 2.9 KiB | text/x-csharp | CSharpLexer
using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Reflection;
using System.Threading;
namespace Implab.Test
{
[TestClass]
public class AsyncTests
{
[TestMethod]
public void ResolveTest ()
{
int res = -1;
var p = new Promise<int> ();
p.Then (x => res = x);
p.Resolve (100);
Assert.AreEqual (res, 100);
}
[TestMethod]
public void RejectTest ()
{
int res = -1;
Exception err = null;
var p = new Promise<int> ();
p.Then (x => res = x, e => err = e);
p.Reject (new ApplicationException ("error"));
Assert.AreEqual (res, -1);
Assert.AreEqual (err.Message, "error");
}
[TestMethod]
public void JoinSuccessTest ()
{
var p = new Promise<int> ();
p.Resolve (100);
Assert.AreEqual (p.Join (), 100);
}
[TestMethod]
public void JoinFailTest ()
{
var p = new Promise<int> ();
p.Reject (new ApplicationException ("failed"));
try {
p.Join ();
throw new ApplicationException ("WRONG!");
} catch (TargetInvocationException err) {
Assert.AreEqual (err.InnerException.Message, "failed");
} catch {
Assert.Fail ("Got wrong excaption");
}
}
[TestMethod]
public void MapTest ()
{
var p = new Promise<int> ();
var p2 = p.Map (x => x.ToString ());
p.Resolve (100);
Assert.AreEqual (p2.Join (), "100");
}
[TestMethod]
public void ChainTest ()
{
var p1 = new Promise<int> ();
var p3 = p1.Chain (x => {
var p2 = new Promise<string> ();
p2.Resolve (x.ToString ());
return p2;
});
p1.Resolve (100);
Assert.AreEqual (p3.Join (), "100");
}
[TestMethod]
public void PoolTest ()
{
var pid = Thread.CurrentThread.ManagedThreadId;
var p = AsyncPool.Invoke (() => Thread.CurrentThread.ManagedThreadId);
Assert.AreNotEqual (pid, p.Join ());
}
[TestMethod]
public void ComplexCase1Test() {
var flags = new bool[3];
// op1 (aync 200ms) => op2 (async 200ms) => op3 (sync map)
var p = PromiseHelper
.Sleep(200, "Alan")
.Cancelled(() => flags[0] = true)
.Chain(x =>
PromiseHelper
.Sleep(200, "Hi, " + x)
.Map( y => y )
.Cancelled(() => flags[1] = true)
)
.Cancelled(() => flags[2] = true);
Thread.Sleep(300);
p.Cancel();
try {
Assert.AreEqual(p.Join(), "Hi, Alan");
Assert.Fail("Shouldn't get here");
} catch(OperationCanceledException) {
}
Assert.IsFalse(flags[0]);
Assert.IsTrue(flags[1]);
Assert.IsTrue(flags[2]);
}
}
}