1 files changed, 60 insertions, 0 deletions
diff --git a/libjava/testsuite/libjava.lang/TLtest.java b/libjava/testsuite/libjava.lang/TLtest.java
new file mode 100644
index 0000000..b7f4115
--- /dev/null
+++ b/libjava/testsuite/libjava.lang/TLtest.java
@@ -0,0 +1,60 @@
+class TLtest extends Thread {
+
+    public static void main (String [] args) {
+	Data d = new Data ();
+	new ThreadTest (d, "A").start ();
+	new ThreadTest (d, "B").start ();
+    }
+}
+
+class Data {
+
+    private static ThreadLocal owner = new ThreadLocal () {
+	    public Object initialValue () { return ("0"); }
+	};
+    /* A thread will call `set' to set a value it wants an instance
+       of Data to associate with it and only it. */
+    synchronized public void set (String v){owner.set (v);}
+    /* A thread will call `get' to get a value it wants an instance
+       of Data to associate with it and only it. */
+    synchronized public String get (){return (String)owner.get();}
+}
+
+class ThreadTest extends Thread {
+
+    public Data d;
+
+    ThreadTest (Data d, String name) {
+	super (name);
+	this.d = d;
+    }
+
+    public void run () {
+
+	int value = 0;
+	int ref = 0;
+
+	for (int i = 0; i < 20; i++) {
+
+	    int rand = (int)(Math.random ()*20);
+
+	    /* Read `value', ref is kept for comparison */
+	    value = Integer.parseInt (d.get());
+	    
+	    /* change `value' and ref by a random number, store `value'. */
+	    value += rand; ref += rand;
+	    d.set (Integer.toString (value));
+
+	    try {
+		sleep((int)(Math.random() * 500));
+	    } catch (InterruptedException e) {}
+	}
+
+	/* If a thread didn't have private value to attach to the
+	   instance of Data, results wouldn't be the same */
+	if (ref == value)
+	    System.out.println ("test OK.");
+	else
+	    System.out.println ("test failed.");
+    }
+}