--- jsr166/src/test/loops/ReadHoldingWriteLock.java	2005/05/02 19:19:38	1.1
+++ jsr166/src/test/loops/ReadHoldingWriteLock.java	2011/10/25 20:29:12	1.6
@@ -1,3 +1,8 @@
+/*
+ * Written by Doug Lea with assistance from members of JCP JSR-166
+ * Expert Group and released to the public domain, as explained at
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
 import java.util.concurrent.locks.*;
 
 class ReadHoldingWriteLock {
@@ -21,21 +26,21 @@ class ReadHoldingWriteLock {
     /**
      * Readlocks succeed after a writing thread unlocks
      */
-    public void testReadAfterWriteLock() throws Exception { 
-	final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
-	lock.writeLock().lock();
-	Thread t1 = new Thread(new Runnable() {
+    public void testReadAfterWriteLock() throws Exception {
+        final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
+        lock.writeLock().lock();
+        Thread t1 = new Thread(new Runnable() {
                 public void run() {
                     lock.readLock().lock();
                     lock.readLock().unlock();
-		}
-	    });
-	Thread t2 = new Thread(new Runnable() {
+                }
+            });
+        Thread t2 = new Thread(new Runnable() {
                 public void run() {
                     lock.readLock().lock();
                     lock.readLock().unlock();
-		}
-	    });
+                }
+            });
 
         t1.start();
         t2.start();
@@ -45,40 +50,40 @@ class ReadHoldingWriteLock {
         t2.join(MEDIUM_DELAY_MS);
         assertTrue(!t1.isAlive());
         assertTrue(!t2.isAlive());
-        
-    } 
+
+    }
 
     /**
      * Read trylock succeeds if write locked by current thread
      */
-    public void testReadHoldingWriteLock()throws Exception { 
-	final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
-	lock.writeLock().lock();
+    public void testReadHoldingWriteLock()throws Exception {
+        final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
+        lock.writeLock().lock();
         assertTrue(lock.readLock().tryLock());
         lock.readLock().unlock();
         lock.writeLock().unlock();
-    } 
+    }
 
     /**
      * Read lock succeeds if write locked by current thread even if
      * other threads are waiting
      */
-    public void testReadHoldingWriteLock2() throws Exception{ 
-	final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
-	lock.writeLock().lock();
-	Thread t1 = new Thread(new Runnable() {
+    public void testReadHoldingWriteLock2() throws Exception {
+        final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
+        lock.writeLock().lock();
+        Thread t1 = new Thread(new Runnable() {
                 public void run() {
                     lock.readLock().lock();
                     lock.readLock().unlock();
-		}
-	    });
-	Thread t2 = new Thread(new Runnable() {
+                }
+            });
+        Thread t2 = new Thread(new Runnable() {
                 public void run() {
                     lock.readLock().lock();
                     lock.readLock().unlock();
-		}
-	    });
-        
+                }
+            });
+
         t1.start();
         t2.start();
         lock.readLock().lock();
@@ -91,38 +96,38 @@ class ReadHoldingWriteLock {
         t2.join(MEDIUM_DELAY_MS);
         assertTrue(!t1.isAlive());
         assertTrue(!t2.isAlive());
-    } 
+    }
 
     /**
      * Fair Read trylock succeeds if write locked by current thread
      */
-    public void testReadHoldingWriteLockFair() throws Exception{ 
-	final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true);
-	lock.writeLock().lock();
+    public void testReadHoldingWriteLockFair() throws Exception {
+        final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true);
+        lock.writeLock().lock();
         assertTrue(lock.readLock().tryLock());
         lock.readLock().unlock();
         lock.writeLock().unlock();
-    } 
+    }
 
     /**
      * Fair Read lock succeeds if write locked by current thread even if
      * other threads are waiting
      */
-    public void testReadHoldingWriteLockFair2() throws Exception { 
-	final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true);
-	lock.writeLock().lock();
-	Thread t1 = new Thread(new Runnable() {
+    public void testReadHoldingWriteLockFair2() throws Exception {
+        final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true);
+        lock.writeLock().lock();
+        Thread t1 = new Thread(new Runnable() {
                 public void run() {
                     lock.readLock().lock();
                     lock.readLock().unlock();
-		}
-	    });
-	Thread t2 = new Thread(new Runnable() {
+                }
+            });
+        Thread t2 = new Thread(new Runnable() {
                 public void run() {
                     lock.readLock().lock();
                     lock.readLock().unlock();
-		}
-	    });
+                }
+            });
 
         t1.start();
         t2.start();
@@ -136,7 +141,7 @@ class ReadHoldingWriteLock {
         t2.join(MEDIUM_DELAY_MS);
         assertTrue(!t1.isAlive());
         assertTrue(!t2.isAlive());
-        
 
-    } 
+
+    }
 }