SERVER-26726 Check number of arguments for createIndex, createIndexes and ensureIndex shell commands

(cherry picked from commit be07da4bd6dd394947236857f5510a7ba9c3b0a4)

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mongo/shell/collection.js b/src/mongo/shell/collection.js
index 00143600595..b4b1ac23052 100644
--- a/src/mongo/shell/collection.js
+++ b/src/mongo/shell/collection.js
@@ -616,10 +616,18 @@ DBCollection.prototype._indexSpec = function(keys, options) {
 };
 
 DBCollection.prototype.createIndex = function(keys, options) {
+    if (arguments.length > 2) {
+        throw new Error("createIndex accepts up to 2 arguments");
+    }
+
     return this.createIndexes([keys], options);
 };
 
 DBCollection.prototype.createIndexes = function(keys, options) {
+    if (arguments.length > 2) {
+        throw new Error("createIndexes accepts up to 2 arguments");
+    }
+
     if (!Array.isArray(keys)) {
         throw new Error("createIndexes first argument should be an array");
     }
@@ -653,6 +661,10 @@ DBCollection.prototype.createIndexes = function(keys, options) {
 };
 
 DBCollection.prototype.ensureIndex = function(keys, options) {
+    if (arguments.length > 2) {
+        throw new Error("ensureIndex accepts up to 2 arguments");
+    }
+
     var result = this.createIndex(keys, options);
 
     if (this.getMongo().writeMode() != "legacy") {