From c67775554f4ff295bac4605d9aa44a83b82eb4a7 Mon Sep 17 00:00:00 2001
From: Vlad Brezae <brezaevlad@gmail.com>
Date: Fri, 31 Mar 2017 14:48:33 +0300
Subject: [PATCH] [sgen] Add oom testing suite

---
 mono/mini/TestHelpers.cs                      | 21 +++++++++++++++++++
 mono/tests/Makefile.am                        | 10 +++++++++
 .../sgen-oom-bridge-major-fragmentation.cs    |  8 +++++++
 mono/tests/sgen-oom-cementing-stress.cs       |  8 +++++++
 .../sgen-oom-new-threads-dont-join-stw-2.cs   |  8 +++++++
 5 files changed, 55 insertions(+)
 create mode 100644 mono/tests/sgen-oom-bridge-major-fragmentation.cs
 create mode 100644 mono/tests/sgen-oom-cementing-stress.cs
 create mode 100644 mono/tests/sgen-oom-new-threads-dont-join-stw-2.cs

diff --git a/mono/mini/TestHelpers.cs b/mono/mini/TestHelpers.cs
index 01ed13532a1..26f8d1276d5 100644
--- a/mono/mini/TestHelpers.cs
+++ b/mono/mini/TestHelpers.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Threading;
+using System.Reflection;
 
 namespace MonoTests.Helpers {
 
@@ -25,5 +26,25 @@ namespace MonoTests.Helpers {
 			thr.Join ();
 		}
 	}
+
+	public static class OOMHelpers {
+		public static void RunTest (string test)
+		{
+			Assembly asm = Assembly.Load (test);
+
+			try {
+				// Support both (void) and (string[]) signatures
+				if (asm.EntryPoint.GetParameters ().Length == 1)
+					asm.EntryPoint.Invoke (null, new string[] { null });
+				else
+					asm.EntryPoint.Invoke (null, null);
+			} catch (TargetInvocationException e) {
+				if (e.InnerException is OutOfMemoryException)
+					Console.WriteLine ("Catched oom");
+				else
+					throw;
+			}
+		}
+	}
 }
 
diff --git a/mono/tests/Makefile.am b/mono/tests/Makefile.am
index d5a4afca1ee..1628d7a1a38 100644
--- a/mono/tests/Makefile.am
+++ b/mono/tests/Makefile.am
@@ -1507,6 +1507,16 @@ sgen-bridge3-tests-ms-tarjan-bridge: $(SGEN_BRIDGE3_TESTS) test-runner.exe
 sgen-bridge3-tests-ms-split-tarjan-bridge: $(SGEN_BRIDGE3_TESTS) test-runner.exe
 	$(TOOLS_RUNTIME) $(TEST_RUNNER) --testsuite-name $@ --runtime-args "--gc=sgen --gc-debug=bridge=3Bridge --gc-params=major=marksweep,minor=split,bridge-implementation=tarjan" --timeout 900 $(SGEN_BRIDGE3_TESTS)
 
+SGEN_OOM_TESTS_SRC =	\
+	sgen-oom-cementing-stress.cs	\
+	sgen-oom-new-threads-dont-join-stw-2.cs	\
+	sgen-oom-bridge-major-fragmentation.cs
+
+SGEN_OOM_TESTS=$(SGEN_OOM_TESTS_SRC:.cs=.exe)
+
+sgen-oom-tests: $(SGEN_OOM_TESTS) test-runner.exe sgen-cementing-stress.exe sgen-new-threads-dont-join-stw-2.exe sgen-bridge-major-fragmentation.exe
+	$(TOOLS_RUNTIME) $(TEST_RUNNER) $(TEST_RUNNER_ARGS) --testsuite-name $@ --runtime-args "--gc=sgen --gc-debug=max-valloc-size=50M,bridge=Bridge" --disabled "$(DISABLED_TESTS)" --timeout 900 $(SGEN_OOM_TESTS)
+
 
 AOT_CONFIGURATIONS=	\
 	"|regular"	\
diff --git a/mono/tests/sgen-oom-bridge-major-fragmentation.cs b/mono/tests/sgen-oom-bridge-major-fragmentation.cs
new file mode 100644
index 00000000000..86719ee7930
--- /dev/null
+++ b/mono/tests/sgen-oom-bridge-major-fragmentation.cs
@@ -0,0 +1,8 @@
+using MonoTests.Helpers;
+
+public class Program {
+	public static void Main (string[] args)
+	{
+		OOMHelpers.RunTest ("sgen-bridge-major-fragmentation");
+	}
+}
diff --git a/mono/tests/sgen-oom-cementing-stress.cs b/mono/tests/sgen-oom-cementing-stress.cs
new file mode 100644
index 00000000000..3edc874f438
--- /dev/null
+++ b/mono/tests/sgen-oom-cementing-stress.cs
@@ -0,0 +1,8 @@
+using MonoTests.Helpers;
+
+public class Program {
+	public static void Main (string[] args)
+	{
+		OOMHelpers.RunTest ("sgen-cementing-stress");
+	}
+}
diff --git a/mono/tests/sgen-oom-new-threads-dont-join-stw-2.cs b/mono/tests/sgen-oom-new-threads-dont-join-stw-2.cs
new file mode 100644
index 00000000000..b94e0705571
--- /dev/null
+++ b/mono/tests/sgen-oom-new-threads-dont-join-stw-2.cs
@@ -0,0 +1,8 @@
+using MonoTests.Helpers;
+
+public class Program {
+	public static void Main (string[] args)
+	{
+		OOMHelpers.RunTest ("sgen-new-threads-dont-join-stw-2");
+	}
+}
-- 
2.25.1