1 files changed, 46 insertions, 45 deletions
diff --git a/jstests/replsets/background_index.js b/jstests/replsets/background_index.js
index e92530bc985..3b302644438 100644
--- a/jstests/replsets/background_index.js
+++ b/jstests/replsets/background_index.js
@@ -1,51 +1,52 @@
-/** Tests that a background index will be successfully
+/**
+ * Tests that a background index will be successfully
  *  replicated to a secondary when the indexed collection
  *  is renamed.
  */
 
 (function() {
-    "use strict";
-
-    // Bring up a 2 node replset.
-    var name = "bg_index_rename";
-    var rst = new ReplSetTest({name: name, nodes: 3});
-    rst.startSet();
-    rst.initiate();
-
-    // Create and populate a collection.
-    var primary = rst.getPrimary();
-    var coll = primary.getCollection("test.foo");
-    var adminDB = primary.getDB("admin");
-
-    for (var i = 0; i < 100; i++) {
-        assert.writeOK(coll.insert({_id: i, x: i * 3, str: "hello world"}));
-    }
-
-    // Add a background index.
-    coll.ensureIndex({x: 1}, {background: true});
-
-    // Rename the collection.
-    assert.commandWorked(
-        adminDB.runCommand({renameCollection: "test.foo", to: "bar.test", dropTarget: true}),
-        "Call to renameCollection failed.");
-
-    // Await replication.
-    rst.awaitReplication();
-
-    // Step down the primary.
-    assert.commandWorked(adminDB.runCommand({replSetStepDown: 60, force: true}));
-
-    // Wait for new primary.
-    var newPrimary = rst.getPrimary();
-    assert.neq(primary, newPrimary);
-    var barDB = newPrimary.getDB("bar");
-    coll = newPrimary.getCollection("bar.test");
-    coll.insert({_id: 200, x: 600, str: "goodnight moon"});
-
-    // Check that the new primary has the index
-    // on the renamed collection.
-    var indexes = barDB.runCommand({listIndexes: "test"});
-    assert.eq(indexes.cursor.firstBatch.length, 2);
-
-    rst.stopSet();
+"use strict";
+
+// Bring up a 2 node replset.
+var name = "bg_index_rename";
+var rst = new ReplSetTest({name: name, nodes: 3});
+rst.startSet();
+rst.initiate();
+
+// Create and populate a collection.
+var primary = rst.getPrimary();
+var coll = primary.getCollection("test.foo");
+var adminDB = primary.getDB("admin");
+
+for (var i = 0; i < 100; i++) {
+    assert.writeOK(coll.insert({_id: i, x: i * 3, str: "hello world"}));
+}
+
+// Add a background index.
+coll.ensureIndex({x: 1}, {background: true});
+
+// Rename the collection.
+assert.commandWorked(
+    adminDB.runCommand({renameCollection: "test.foo", to: "bar.test", dropTarget: true}),
+    "Call to renameCollection failed.");
+
+// Await replication.
+rst.awaitReplication();
+
+// Step down the primary.
+assert.commandWorked(adminDB.runCommand({replSetStepDown: 60, force: true}));
+
+// Wait for new primary.
+var newPrimary = rst.getPrimary();
+assert.neq(primary, newPrimary);
+var barDB = newPrimary.getDB("bar");
+coll = newPrimary.getCollection("bar.test");
+coll.insert({_id: 200, x: 600, str: "goodnight moon"});
+
+// Check that the new primary has the index
+// on the renamed collection.
+var indexes = barDB.runCommand({listIndexes: "test"});
+assert.eq(indexes.cursor.firstBatch.length, 2);
+
+rst.stopSet();
 }());