SERVER-8046 Fix broken mutable bson algorithm

1 files changed, 47 insertions, 0 deletions

diff --git a/src/mongo/bson/mutable/mutable_bson_test_utils.cpp b/src/mongo/bson/mutable/mutable_bson_test_utils.cpp
new file mode 100644
index 00000000000..65306db5de1
--- /dev/null
+++ b/src/mongo/bson/mutable/mutable_bson_test_utils.cpp
@@ -0,0 +1,47 @@
+/* Copyright 2013 10gen Inc.
+ *
+ * Licensed 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.
+ */
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/bson/mutable/mutable_bson_test_utils.h"
+
+#include <ostream>
+
+#include "mongo/bson/mutable/const_element.h"
+
+namespace mongo {
+namespace mutablebson {
+
+    std::ostream& operator<<(std::ostream& stream, const ConstElement& elt) {
+        stream << "Element("<< static_cast<const void*>(&elt.getDocument()) << ", ";
+        if (elt.ok())
+            stream << elt.getIdx();
+        else
+            stream << "kInvalidIndex";
+        stream << ")";
+
+        if (elt.ok()) {
+            stream << " of type '" << typeName(elt.getType()) << "'";
+            if (elt.hasValue())
+                stream << " with accessible value '" << elt.getValue() << "'";
+            else
+                stream << " with no accessible value";
+        }
+
+        return stream;
+    }
+
+} // namespace mutablebson
+} // namespace mongo