diff --git a/t_expr_test.go b/t_expr_test.go
index a995ba3..5732c01 100644
--- a/t_expr_test.go
+++ b/t_expr_test.go
@@ -28,7 +28,8 @@ func TestExpr(t *testing.T) {
 		/*  14 */ {`a=3; (a*=2)+1; a`, int64(6), nil},
 		/*  15 */ {`a=3; a*=2)+1; a`, nil, `[1:11] unexpected token ")"`},
 		/*  16 */ {`v=[2]; a=1; v[a-=1]=5; v[0]`, int64(5), nil},
-		/*  17 */ {`
+		/*  17 */ {`true ? {"a"} :: {"b"}`, "a", nil},
+		/*  18 */ {`
 		ds={
 			"init":func(@end){@current=0 but true},
 			//"current":func(){current},