1 files changed, 4 insertions, 0 deletions

diff --git a/src/unit/variant.unit b/src/unit/variant.unit
index 97ff1f0..1105c94 100644
--- a/src/unit/variant.unit
+++ b/src/unit/variant.unit
@@ -57,5 +57,9 @@ suite Variant
             arg( i2, Fmt(2).fill('0') );
         // sio << sio.nl << out << sio.nl;
         unitTest( out == "hello-stuff-32-00.odp" );
+
+        int64_t iBig = 159173777LL;
+        out = Bu::String("%1").arg( iBig );
+        unitTest( out == "159173777" );
     }
 }