1 files changed, 10 insertions, 0 deletions
diff --git a/src/mongo/bson/bsonobjbuilder_test.cpp b/src/mongo/bson/bsonobjbuilder_test.cpp
index f9bad62059f..4f11df260bb 100644
--- a/src/mongo/bson/bsonobjbuilder_test.cpp
+++ b/src/mongo/bson/bsonobjbuilder_test.cpp
@@ -36,6 +36,7 @@
 #include "mongo/unittest/unittest.h"
 #include <sstream>
 
+namespace mongo {
 namespace {
 
 using mongo::BSONElement;
@@ -73,6 +74,14 @@ void assertBSONTypeEquals(BSONType actual, BSONType expected, T value, int i) {
     }
 }
 
+TEST(BSONObjBuilder, AppendInt64T) {
+    auto obj = BSON("a" << int64_t{5} << "b" << int64_t{1ll << 40});
+    ASSERT_EQ(obj["a"].type(), NumberLong);
+    ASSERT_EQ(obj["b"].type(), NumberLong);
+    ASSERT_EQ(obj["a"].Long(), 5);
+    ASSERT_EQ(obj["b"].Long(), 1ll << 40);
+}
+
 /**
  * current conversion ranges in append(unsigned n)
  * dbl/int max/min in comments refer to max/min encodable constants
@@ -323,3 +332,4 @@ TEST(BSONObjBuilderTest, ResetToEmptyForNestedBuilderOnlyResetsInnerObj) {
 }
 
 }  // unnamed namespace
+}  // namespace mongo