add SimpleReadWriteLockTest test case (#710)

* add MapUtilTest test case

* add RequestUtilTest test case

* add SimpleReadWriteLockTest test case

hippo4j-config/src/test/java/cn/hippo4j/config/toolkit/SimpleReadWriteLockTest.java

@@ -17,8 +17,121 @@
 
 package cn.hippo4j.config.toolkit;
 
+import cn.hippo4j.common.toolkit.Assert;
+import org.junit.Test;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
 /**
  * SimpleReadWriteLock Test
  */
 public class SimpleReadWriteLockTest {
+
+    @Test
+    public void singleTryReadLockTest() {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        boolean result = simpleReadWriteLock.tryReadLock();
+        Assert.isTrue(result);
+    }
+
+    @Test
+    public void multiTryReadLockTest() {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        simpleReadWriteLock.tryReadLock();
+        boolean result = simpleReadWriteLock.tryReadLock();
+        Assert.isTrue(result);
+    }
+
+    @Test
+    public void singleTryWriteLockTest() {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        boolean result = simpleReadWriteLock.tryWriteLock();
+        Assert.isTrue(result);
+    }
+    @Test
+    public void multiTryWriteLockTest() {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        simpleReadWriteLock.tryWriteLock();
+        boolean result = simpleReadWriteLock.tryWriteLock();
+        Assert.isTrue(!result);
+    }
+
+    @Test
+    public void tryReadWriteLockTest() {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        simpleReadWriteLock.tryReadLock();
+        boolean result = simpleReadWriteLock.tryWriteLock();
+        Assert.isTrue(!result);
+    }
+
+    @Test
+    public void tryWriteReadLockTest() {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        simpleReadWriteLock.tryWriteLock();
+        boolean result = simpleReadWriteLock.tryReadLock();
+        Assert.isTrue(!result);
+    }
+
+    @Test
+    public void releaseReadLockTest() {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        simpleReadWriteLock.tryReadLock();
+        simpleReadWriteLock.releaseReadLock();
+        boolean result = simpleReadWriteLock.tryWriteLock();
+        Assert.isTrue(result);
+    }
+
+    @Test
+    public void releaseWriteLockTest() {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        simpleReadWriteLock.tryWriteLock();
+        simpleReadWriteLock.releaseWriteLock();
+        boolean result = simpleReadWriteLock.tryReadLock();
+        Assert.isTrue(result);
+    }
+
+    @Test
+    public void multiThreadTryWriteLockTest() throws Exception {
+        SimpleReadWriteLock simpleReadWriteLock = new SimpleReadWriteLock();
+        CountDownLatch countDownLatch = new CountDownLatch(2);
+        new Thread(() -> {
+            try {
+                TimeUnit.SECONDS.sleep(1);
+                while (true) {
+                    if (simpleReadWriteLock.tryWriteLock()) {
+                        System.out.println(Thread.currentThread() + " -1 get write lock success");
+                        TimeUnit.SECONDS.sleep(5);
+                        System.out.println(Thread.currentThread() + " -1 execute done");
+                        simpleReadWriteLock.releaseWriteLock();
+                        countDownLatch.countDown();
+                        break;
+                    }
+                }
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        }).start();
+        new Thread(() -> {
+            try {
+                TimeUnit.SECONDS.sleep(2);
+                while (true) {
+                    if (simpleReadWriteLock.tryWriteLock()){
+                        System.out.println(Thread.currentThread() + " -2 get write lock success");
+                        TimeUnit.SECONDS.sleep(1);
+                        System.out.println(Thread.currentThread() + " -2 execute done");
+                        countDownLatch.countDown();
+                        break;
+                    }
+                }
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }finally {
+                simpleReadWriteLock.releaseWriteLock();
+            }
+        }).start();
+        countDownLatch.await();
+        Assert.isTrue(simpleReadWriteLock.tryWriteLock());
+    }
+
 }