1 files changed, 52 insertions, 0 deletions
diff --git a/src/test/java/org/apache/bcel/NanoTimer.java b/src/test/java/org/apache/bcel/NanoTimer.java
new file mode 100644
index 00000000..c6e57a02
--- /dev/null
+++ b/src/test/java/org/apache/bcel/NanoTimer.java
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ */
+
+package org.apache.bcel;
+
+public class NanoTimer {
+
+    private long time = 0;
+
+    public NanoTimer start() {
+        time -= System.nanoTime();
+        return this;
+    }
+
+    public void stop() {
+        time += System.nanoTime();
+    }
+
+    public void subtract(final NanoTimer o) {
+        time -= o.time;
+    }
+
+    public void reset() {
+        time = 0;
+    }
+
+    /**
+     * May ony be called after stop has been called as many times as start.
+     */
+    @Override
+    public String toString() {
+        return ((double) time / 1000000000) + " s";
+    }
+
+
+
+}