src/test/java/org/chulk/sanxbox/TestConcurrency.java

@@ -1,70 +1,5 @@
 package org.chulk.sanxbox;
 
-import org.junit.jupiter.api.Test;
-
 public class TestConcurrency {
 
-	private int counter = 0;
-	private final Object lock1 = new Object();
-	private final Object lock2 = new Object();
-
-	@Test
-	public void testDeadlock() throws InterruptedException {
-		Runnable incRun = () -> {
-			try {
-                for (int i = 0; i < 100; i++) {
-                    incrementCounter();
-                    System.out.println("Incrementing " + i);
-                }
-            } catch (InterruptedException ie) {
-            }
-		};
-
-		Runnable decRun = () -> {
-			try {
-                for (int i = 0; i < 100; i++) {
-                	decrementCounter();
-                    System.out.println("Decrementing " + i);
-                }
-            } catch (InterruptedException ie) {
-            }
-		};
-
-		Thread thread1 = new Thread(incRun);
-		Thread thread2 = new Thread(decRun);
-
-		thread1.start();
-		// sleep to make sure thread 1 gets a chance to acquire lock1
-		Thread.sleep(100);
-		thread2.start();
-
-		thread1.join();
-		thread2.join();
-
-		System.out.println("Done : " + counter);
-
-	}
-
-	void incrementCounter() throws InterruptedException {
-		synchronized (lock1) {
-			System.out.println("Acquired lock1");
-			Thread.sleep(100);
-
-			synchronized (lock2) {
-				counter++;
-			}
-		}
-	}
-
-	void decrementCounter() throws InterruptedException {
-		synchronized (lock2) {
-			System.out.println("Acquired lock2");
-
-			Thread.sleep(100);
-			synchronized (lock1) {
-				counter--;
-			}
-		}
-	}
-
 }