[PATCH iproute 2/2] json_writer: fix builtin test code

[Stephen Hemminger <stephen@networkplumber.org>]

The code under #ifdef was not generating valid JSON
and it is missing test for control characters.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/json_writer.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/json_writer.c b/lib/json_writer.c
index 7202621e..d4a1c72b 100644
--- a/lib/json_writer.c
+++ b/lib/json_writer.c
@@ -369,7 +369,7 @@ int main(int argc, char **argv)
 	jsonw_null_field(wr, "my_null");
 
 	jsonw_name(wr, "special chars");
-	jsonw_start_array(wr);
+	jsonw_start_object(wr);
 	jsonw_string_field(wr, "slash", "/");
 	jsonw_string_field(wr, "newline", "\n");
 	jsonw_string_field(wr, "tab", "\t");
@@ -377,7 +377,14 @@ int main(int argc, char **argv)
 	jsonw_string_field(wr, "quote", "\"");
 	jsonw_string_field(wr, "tick", "\'");
 	jsonw_string_field(wr, "backslash", "\\");
-	jsonw_end_array(wr);
+	jsonw_end_object(wr);
+
+	jsonw_name(wr, "control chars");
+	jsonw_start_object(wr);
+	jsonw_string_field(wr, "bell", "\a");
+	jsonw_string_field(wr, "esc", "\033");
+	jsonw_string_field(wr, "del", "\177");
+	jsonw_end_object(wr);
 
 	jsonw_end_object(wr);
 
-- 
2.53.0