SERVER-28621 Parse BSON update expression into an UpdateNode tree

1 files changed, 55 insertions, 0 deletions

diff --git a/src/mongo/db/update/set_node_test.cpp b/src/mongo/db/update/set_node_test.cpp
new file mode 100644
index 00000000000..c600af34158
--- /dev/null
+++ b/src/mongo/db/update/set_node_test.cpp
@@ -0,0 +1,55 @@
+/**
+ * Copyright (C) 2017 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/platform/basic.h"
+
+#include "mongo/db/update/set_node.h"
+
+#include "mongo/db/json.h"
+#include "mongo/unittest/death_test.h"
+#include "mongo/unittest/unittest.h"
+
+namespace {
+
+using namespace mongo;
+
+DEATH_TEST(SetNodeTest, InitFailsForEmptyElement, "Invariant failure modExpr.ok()") {
+    auto update = fromjson("{$set: {}}");
+    const CollatorInterface* collator = nullptr;
+    SetNode node;
+    node.init(update["$set"].embeddedObject().firstElement(), collator);
+}
+
+TEST(SetNodeTest, InitSucceedsForNonemptyElement) {
+    auto update = fromjson("{$set: {a: 5}}");
+    const CollatorInterface* collator = nullptr;
+    SetNode node;
+    ASSERT_OK(node.init(update["$set"]["a"], collator));
+}
+
+}  // namespace