additional test

Author: Ray Mattingly

hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestDefaultOperationQuota.java

@@ -163,6 +163,27 @@ public void testLargeBatchSaturatesReadNumLimit()
     quota.checkBatchQuota(0, limit);
   }
 
+  @Test
+  public void testLargeBatchSaturatesReadWriteLimit()
+    throws RpcThrottlingException, InterruptedException {
+    int limit = 10;
+    QuotaProtos.Throttle throttle =
+      QuotaProtos.Throttle.newBuilder().setWriteNum(QuotaProtos.TimedQuota.newBuilder()
+        .setSoftLimit(limit).setTimeUnit(HBaseProtos.TimeUnit.SECONDS).build()).build();
+    QuotaLimiter limiter = TimeBasedLimiter.fromThrottle(throttle);
+    DefaultOperationQuota quota = new DefaultOperationQuota(new Configuration(), 65536, limiter);
+
+    // use the whole limit
+    quota.checkBatchQuota(limit, 0);
+
+    // the next request should be rejected
+    assertThrows(RpcThrottlingException.class, () -> quota.checkBatchQuota(1, 0));
+
+    envEdge.incValue(1000);
+    // after the TimeUnit, the limit should be refilled
+    quota.checkBatchQuota(limit, 0);
+  }
+
   @Test
   public void testTooLargeReadBatchIsNotBlocked()
     throws RpcThrottlingException, InterruptedException {