SERVER-12703 write concern parsing should error on unrecognized fields

1 files changed, 15 insertions, 1 deletions

diff --git a/jstests/replsets/bulk_api_wc.js b/jstests/replsets/bulk_api_wc.js
index 4b029555ce1..3c9d3b27538 100644
--- a/jstests/replsets/bulk_api_wc.js
+++ b/jstests/replsets/bulk_api_wc.js
@@ -35,13 +35,27 @@ var executeTests = function() {
     });
 
     //
+    // Fail due to unrecognized write concern field.
+    coll.remove({});
+    var bulk = coll.initializeOrderedBulkOp();
+    bulk.insert({a: 1});
+    bulk.insert({a: 2});
+    var result = assert.throws(function() {
+        bulk.execute({x: 1});
+    });
+    assert.eq(ErrorCodes.FailedToParse, result.code, 'unexpected error code: ' + tojson(result));
+    assert.eq('unrecognized write concern field: x',
+              result.errmsg,
+              'unexpected error message: ' + tojson(result));
+
+    //
     // Fail with write error, no write concern error even though it would fail on apply for ordered
     coll.remove({});
     var bulk = coll.initializeOrderedBulkOp();
     bulk.insert({a: 1});
     bulk.insert({a: 2});
     bulk.insert({a: 2});
-    var result = assert.throws(function() {
+    result = assert.throws(function() {
         bulk.execute({w: 'invalid'});
     });
     assert.eq(result.nInserted, 2);