SERVER-51733 add test case for ShardLocal::createIndexOnConfig() with non-empty collections

1 files changed, 14 insertions, 0 deletions

diff --git a/src/mongo/db/s/shard_local_test.cpp b/src/mongo/db/s/shard_local_test.cpp
index 4945d7a1c04..c551347b2bf 100644
--- a/src/mongo/db/s/shard_local_test.cpp
+++ b/src/mongo/db/s/shard_local_test.cpp
@@ -32,6 +32,7 @@
 #include "mongo/client/read_preference.h"
 #include "mongo/db/catalog_raii.h"
 #include "mongo/db/client.h"
+#include "mongo/db/dbdirectclient.h"
 #include "mongo/db/query/cursor_response.h"
 #include "mongo/db/query/find_and_modify_request.h"
 #include "mongo/db/repl/replication_coordinator.h"
@@ -40,6 +41,7 @@
 #include "mongo/db/service_context_d_test_fixture.h"
 #include "mongo/db/write_concern_options.h"
 #include "mongo/s/client/shard_registry.h"
+#include "mongo/unittest/death_test.h"
 
 namespace mongo {
 namespace {
@@ -270,5 +272,17 @@ TEST_F(ShardLocalTest, CreateIndex) {
     ASSERT_EQ(2U, indexes.size());
 }
 
+DEATH_TEST_REGEX_F(ShardLocalTest, CreateIndexNonEmptyCollection, "Invariant failure.*isEmpty") {
+    NamespaceString nss("config.foo");
+
+    ASSERT_EQUALS(ErrorCodes::NamespaceNotFound, getIndexes(nss).getStatus());
+
+    // Inserting the document should implicitly create the collection
+    DBDirectClient dbDirectClient(_opCtx.get());
+    dbDirectClient.insert(nss.toString(), BSON("_id" << 1 << "a" << 1));
+
+    _shardLocal->createIndexOnConfig(_opCtx.get(), nss, BSON("a" << 1), false).ignore();
+}
+
 }  // namespace
 }  // namespace mongo