--- /dev/null
+# -*- perl -*-
+use strict;
+use warnings;
+use tests::tests;
+check_expected (IGNORE_EXIT_CODES => 1, [<<'EOF']);
+(sm-full) begin
+(sm-full) create "quux"
+(sm-full) open "quux"
+(sm-full) writing "quux"
+(sm-full) close "quux"
+(sm-full) open "quux" for verification
+(sm-full) verified contents of "quux"
+(sm-full) close "quux"
+(sm-full) end
+EOF