1 files changed, 52 insertions, 0 deletions
diff --git a/src/test/java/org/apache/commons/lang3/test/NotVisibleExceptionFactory.java b/src/test/java/org/apache/commons/lang3/test/NotVisibleExceptionFactory.java
new file mode 100644
index 000000000..79e077f78
--- /dev/null
+++ b/src/test/java/org/apache/commons/lang3/test/NotVisibleExceptionFactory.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.commons.lang3.test;
+
+/**
+ * Allows for testing an exception that is not visible to
+ * {@link org.apache.commons.lang3.exception.ExceptionUtils}
+ */
+public class NotVisibleExceptionFactory {
+
+  private NotVisibleExceptionFactory() {}
+
+  /**
+   * Create a new Exception whose getCause method returns the
+   * provided cause.
+   * @param cause the cause of the exception
+   * @return a new {@link Exception}
+   */
+  public static Exception createException(final Throwable cause) {
+    return new NotVisibleException(cause);
+  }
+
+  private static class NotVisibleException extends Exception {
+
+    private static final long serialVersionUID = 1L; // avoid warning
+
+    private final Throwable cause;
+
+    private NotVisibleException(final Throwable cause) {
+      this.cause = cause;
+    }
+
+    @Override
+    public synchronized Throwable getCause() {
+      return cause;
+    }
+  }
+}