diff --git a/examples/sexp-conv-test b/examples/sexp-conv-test
index 1cabbd2f0ef27f0ed8e82c540ac4974fa3bd735a..c6de7ded8869af601c0d01a62eed94179520ced8 100755
--- a/examples/sexp-conv-test
+++ b/examples/sexp-conv-test
@@ -23,6 +23,16 @@ test_conv () {
 
 test_conv "3:foo" "foo" -a
 test_conv "4:3des" '"3des"' -a
-test_conv "(3:foo [bar]foo)" "(3:foo[3:bar]3:foo)" -c
+test_conv '"foo"' "foo" -a
+test_conv '4:foo
+' '"foo\n"'
+test_conv '2:"\' '"\"\\"'
+test_conv "()" "()"
+test_conv '(foo bar baz)' '(foo bar
+     baz)'
+test_conv '; comment
+()' "()"
+
+test_conv "(foo[bar]foo)" "(foo [bar]foo)" -a
 
 exit 0