SERVER-17629 StringData + various DataTypes

Implemented DataType specializations for:
o StringData
o *DataRange*

Added a new meta type called Terminated<char, T>

1 files changed, 72 insertions, 0 deletions

diff --git a/src/mongo/base/data_type_terminated_test.cpp b/src/mongo/base/data_type_terminated_test.cpp
new file mode 100644
index 00000000000..364cbd2c359
--- /dev/null
+++ b/src/mongo/base/data_type_terminated_test.cpp
@@ -0,0 +1,72 @@
+/**
+ *    Copyright (C) 2015 MongoDB Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the GNU Affero General Public License in all respects
+ *    for all of the code used other than as permitted herein. If you modify
+ *    file(s) with this exception, you may extend this exception to your
+ *    version of the file(s), but you are not obligated to do so. If you do not
+ *    wish to do so, delete this exception statement from your version. If you
+ *    delete this exception statement from all source files in the program,
+ *    then also delete it in the license file.
+ */
+
+#include "mongo/base/data_type_terminated.h"
+
+#include "mongo/base/data_range.h"
+#include "mongo/base/data_range_cursor.h"
+#include "mongo/unittest/unittest.h"
+
+namespace mongo {
+
+    TEST(DataTypeTerminated, Basic) {
+        char buf[100];
+        char a[] = "a";
+        char b[] = "bb";
+        char c[] = "ccc";
+
+        {
+            DataRangeCursor drc(buf, buf + sizeof(buf));
+            ConstDataRange cdr_a(a, a + sizeof(a) + -1);
+            ConstDataRange cdr_b(b, b + sizeof(b) + -1);
+            ConstDataRange cdr_c(c, c + sizeof(c) + -1);
+
+            ASSERT_OK(drc.writeAndAdvance(Terminated<'\0', ConstDataRange>(cdr_a)));
+            ASSERT_OK(drc.writeAndAdvance(Terminated<'\0', ConstDataRange>(cdr_b)));
+            ASSERT_OK(drc.writeAndAdvance(Terminated<'\0', ConstDataRange>(cdr_c)));
+
+            ASSERT_EQUALS(1 + 2 + 3 + 3, drc.data() - buf);
+        }
+
+        {
+            ConstDataRangeCursor cdrc(buf, buf + sizeof(buf));
+
+            Terminated<'\0', ConstDataRange> tcdr;
+
+            ASSERT_OK(cdrc.readAndAdvance(&tcdr));
+            ASSERT_EQUALS(std::string(a), tcdr.value.data());
+
+            ASSERT_OK(cdrc.readAndAdvance(&tcdr));
+            ASSERT_EQUALS(std::string(b), tcdr.value.data());
+
+            ASSERT_OK(cdrc.readAndAdvance(&tcdr));
+            ASSERT_EQUALS(std::string(c), tcdr.value.data());
+        }
+    }
+
+} // namespace mongo