Add test from JRUBY-1559, which has been fixed since Bill installed h…

…is ObjectProxyCache.

git-svn-id: http://svn.codehaus.org/jruby/trunk/jruby@7544 961051c9-f516-0410-bf72-c9f7e237a7b7

test/jruby_index

@@ -41,6 +41,7 @@ test_math
 test_nkf
 test_java_accessible_object
 test_java_extension
+test_java_wrapper_deadlock
 test_jruby_internals
 compiler/test_jrubyc
 test_launching_by_shell_script
@@ -84,4 +85,4 @@ test_jruby_object_input_stream
 test_jar_on_load_path
 test_jruby_ext
 test_thread_context_frame_dereferences_unreachable_variables
-test_context_classloader
+test_context_classloader

test/org/jruby/test/Runner.java

@@ -0,0 +1,23 @@
+package org.jruby.test;
+
+public class Runner {
+
+  private static Runner runner;
+  public static Runner getRunner() { 
+    if (runner == null) { runner = new Runner(); }
+    return runner; 
+  }
+
+  private boolean running;
+
+  public synchronized void runJob(Runnable r) { 
+    running = true;
+    r.run(); 
+    running = false;
+  }
+
+  public boolean isRunning() {
+    return running;
+  }
+
+} 

test/test_java_wrapper_deadlock.rb

@@ -0,0 +1,18 @@
+require 'test/unit'
+require 'java'
+
+class TestJavaWrapperDeadlock < Test::Unit::TestCase
+  import org.jruby.test.Runner
+  import java.lang.Runnable
+
+  def test_deadlock_due_to_java_object_wrapping_locking_on_java_instances
+    Runner.getRunner.runJob Runnable.impl {
+      Thread.new do
+        puts "geting runner instance"
+        runner = Runner.getRunner
+        puts "got runner instance"
+        assert runner.isRunning, "runner should be running"
+      end.join
+    }
+  end
+end