1 files changed, 66 insertions, 0 deletions
diff --git a/qpid/java/systests/src/main/java/org/apache/qpid/test/framework/AssertionBase.java b/qpid/java/systests/src/main/java/org/apache/qpid/test/framework/AssertionBase.java
new file mode 100644
index 0000000000..0bb4911d4c
--- /dev/null
+++ b/qpid/java/systests/src/main/java/org/apache/qpid/test/framework/AssertionBase.java
@@ -0,0 +1,66 @@
+/*
+ *
+ * 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.qpid.test.framework;
+
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * AssertionBase is a base class for implenmenting assertions. It provides a mechanism to store error messages, and
+ * report all error messages when its {@link #toString()} method is called.
+ *
+ * <p/><table id="crc"><caption>CRC Card</caption>
+ * <tr><th> Responsibilities <th> Collaborations
+ * <tr><td> Collect error messages.
+ * </table>
+ */
+public abstract class AssertionBase implements Assertion
+{
+    /** Holds the error messages. */
+    List<String> errors = new LinkedList<String>();
+
+    /**
+     * Adds an error message to the assertion.
+     *
+     * @param error An error message to add to the assertion.
+     */
+    public void addError(String error)
+    {
+        errors.add(error);
+    }
+
+    /**
+     * Prints all of the error messages in the assertion into a string.
+     *
+     * @return All of the error messages in the assertion as a string.
+     */
+    public String toString()
+    {
+        String result = "";
+
+        for (String error : errors)
+        {
+            result += error;
+        }
+
+        return result;
+    }
+}