From e8904f655d46ac43f0d859b8c467bb567dcf4775 Mon Sep 17 00:00:00 2001
From: Bryce McKinlay <bryce@albatross.co.nz>
Date: Thu, 23 Mar 2000 12:35:44 +0000
Subject: Thread_Wait.java: New file.

2000-03-23  Bryce McKinlay  <bryce@albatross.co.nz>

        * libjava.lang/Thread_Wait.java: New file.
        * libjava.lang/Thread_Sleep.java: New file.
        * libjava.lang/Thread_Monitor.java: New file.
        * libjava.lang/Thread_Wait.out: New file.
        * libjava.lang/Thread_Sleep.out: New file.
        * libjava.lang/Thread_Monitor.out: New file.
        * libjava.lang/Thread_Interrupt.java: New file.
        * libjava.lang/Thread_Wait_2.java: New file.
        * libjava.lang/Thread_Wait_2.out: New file.
        * libjava.lang/Thread_Wait_Interrupt.java: New file.
        * libjava.lang/Thread_Wait_Interrupt.out: New file.
        * libjava.lang/Thread_Interrupt.out: New file.
        * libjava.lang/Thread_Join.java: New file.
        * libjava.lang/Thread_Join.out: New file.
        * libjava.lang/Thread_Alive.java: New file.
        * libjava.lang/Thread_Alive.out: New file.

From-SVN: r32706
---
 libjava/testsuite/libjava.lang/Thread_Monitor.java | 65 ++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 libjava/testsuite/libjava.lang/Thread_Monitor.java

(limited to 'libjava/testsuite/libjava.lang/Thread_Monitor.java')

diff --git a/libjava/testsuite/libjava.lang/Thread_Monitor.java b/libjava/testsuite/libjava.lang/Thread_Monitor.java
new file mode 100644
index 00000000000..f1ffa674c37
--- /dev/null
+++ b/libjava/testsuite/libjava.lang/Thread_Monitor.java
@@ -0,0 +1,65 @@
+// Test that monitor locks work and are recursive.
+// Origin: Bryce McKinlay <bryce@albatross.co.nz>
+
+class T implements Runnable
+{
+  public int count = 0;
+  Counter c;
+  
+  public T (Counter c)
+  {
+    this.c = c;
+  }
+
+  public void run()
+  {
+    while (true)
+      {
+        // NOTE: double-synchronization here.
+	synchronized (c)
+	{
+	  if (c.getCount() <= 100000)
+	    count++;
+	  else
+	    break;
+	}
+      }
+  }
+}
+
+class Counter
+{
+  int i = 0;
+  public synchronized int getCount ()
+  {
+    return ++i; 
+  }
+}
+
+public class Thread_Monitor
+{
+  public static void main(String args[])
+  {
+    Counter c = new Counter();
+    T t1 = new T(c);
+    T t2 = new T(c);
+    
+    Thread th1 = new Thread(t1);
+    Thread th2 = new Thread(t2);
+    th1.start();
+    th2.start();
+    try
+    {
+      th1.join();
+      th2.join();
+    } 
+    catch (InterruptedException x)
+    {
+      System.out.println("failed: Interrupted");
+    }
+    if (t1.count + t2.count == 100000)
+      System.out.println ("ok");
+    else
+      System.out.println ("failed: total count incorrect");
+  }
+}
-- 
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