From 436c2cf1b39f50a17efe7a1e1cc1ae75286fa641 Mon Sep 17 00:00:00 2001
From: Kelly Washington <kelly@lindenlab.com>
Date: Fri, 8 Jul 2016 16:06:44 +0000
Subject: Add microthreading test to ContinuationsTest

---
 .../Test/Mono.Tasklets/ContinuationsTest.cs        | 96 +++++++++++++++++++++-
 1 file changed, 94 insertions(+), 2 deletions(-)

(limited to 'mcs/class/Mono.Tasklets')

diff --git a/mcs/class/Mono.Tasklets/Test/Mono.Tasklets/ContinuationsTest.cs b/mcs/class/Mono.Tasklets/Test/Mono.Tasklets/ContinuationsTest.cs
index 5f75664666b..d0b2de65429 100644
--- a/mcs/class/Mono.Tasklets/Test/Mono.Tasklets/ContinuationsTest.cs
+++ b/mcs/class/Mono.Tasklets/Test/Mono.Tasklets/ContinuationsTest.cs
@@ -29,11 +29,13 @@ namespace MonoTests.System
 			Assert.AreEqual(total,330);
 		}
 
+		private int yields = 0;
+
 		[Test]
 		public void Yielding() {
 			Continuation baseCont = new Continuation();
 			Continuation taskCont = new Continuation();
-			int yields = 0;
+			
 			baseCont.Mark();
 			taskCont.Mark();
 			
@@ -69,12 +71,102 @@ namespace MonoTests.System
 				taskCont.Restore(1);
 			}
 
-			Assert.AreEqual(yields,9);
+			Assert.AreEqual(9, yields);
+		}
+
+
+		public class MicroThread {
+			
+			public void Yield() {
+				if (MyThread.Store(0) == 0) {
+					MainThread.Restore(1);
+				}
+			}
+
+			public void Resume() {
+				if (MainThread.Store(0) == 0) {
+					MyThread.Restore(1);
+				}
+			}
+
+			public void DoWork(Action action) {
+				if (MainThread.Store(0) == 0) {
+					action();
+					Done = true;
+					MainThread.Restore(1);
+				}
+			}
+
+			public bool Done = false;
+			public Continuation MainThread = new Continuation();
+			public Continuation MyThread = new Continuation();
+		}
+		
+		public class MicroBJob {
+			private int _Count = 0;
+			public int Count { 
+				get { return _Count; }
+				set { _Count = value;}
+			}
+
+			public MicroThread MicroThread;
+			public void Work() {
+				while (Count < 100) {
+					++Count;
+					if (Count % 10 == 0) {
+						MicroThread.Yield();
+					}
+				}
+			}
 		}
+
+		[Test]
+		public void MicroThreadTest() {
+			MicroThread microA = new MicroThread();
+			MicroThread microB = new MicroThread();
+
+			microA.MainThread.Mark();
+			microA.MyThread.Mark();
+			microB.MainThread.Mark();
+			microB.MyThread.Mark();
+
+			Assert.AreEqual(false,microA.Done);
+			Assert.AreEqual(false,microB.Done);
 			
+			microA.DoWork( () => {
+				int count = 0;
+				while (count < 100) {
+					++count;
+					if (count % 10 == 0) {
+						microA.Yield();
+					}
+				}
+			});
 		
+			MicroBJob jobB = new MicroBJob();
+			jobB.MicroThread = microB;
+
+			microB.DoWork(jobB.Work);
+
+			Assert.AreEqual(false,microA.Done);
+			Assert.AreEqual(false,microB.Done);
+
+			int yields = 0;
+			while (yields < 20) {
+				if (!microA.Done) microA.Resume();
+				if (!microB.Done) microB.Resume();
+				if (microA.Done && microB.Done) break;
+				++yields;
+			}
+
+			Assert.AreEqual(true,microA.Done);
+			Assert.AreEqual(true,microB.Done);
+			Assert.AreEqual(100,jobB.Count);
+			Assert.AreEqual(9,yields);
+		}
 	}
 }
+
 // vim: noexpandtab
 // Local Variables:
 // tab-width: 4
-- 
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