1 files changed, 56 insertions, 0 deletions
diff --git a/src/test/test_statefile.c b/src/test/test_statefile.c
new file mode 100644
index 0000000000..dc9ecfee3e
--- /dev/null
+++ b/src/test/test_statefile.c
@@ -0,0 +1,56 @@
+/* Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#include "orconfig.h"
+
+#define STATEFILE_PRIVATE
+
+#include "core/or/or.h"
+#include "lib/encoding/confline.h"
+#include "app/config/statefile.h"
+
+#include "test/test.h"
+
+static void
+test_statefile_remove_obsolete(void *arg)
+{
+  (void)arg;
+  config_line_t *inp = NULL;
+  /* try empty config */
+  or_state_remove_obsolete_lines(&inp);
+  tt_assert(!inp);
+
+  /* try removing every line */
+  config_line_append(&inp, "EntryGuard", "doesn't matter");
+  config_line_append(&inp, "HidServRevCounter", "ignore");
+  config_line_append(&inp, "hidservrevcounter", "foobar"); // note case
+  or_state_remove_obsolete_lines(&inp);
+  tt_assert(!inp);
+
+  /* Now try removing a subset of lines. */
+  config_line_append(&inp, "EntryGuard", "doesn't matter");
+  config_line_append(&inp, "Guard", "in use");
+  config_line_append(&inp, "HidServRevCounter", "ignore");
+  config_line_append(&inp, "TorVersion", "this test doesn't care");
+  or_state_remove_obsolete_lines(&inp);
+  tt_assert(inp);
+  tt_str_op(inp->key, OP_EQ, "Guard");
+  tt_str_op(inp->value, OP_EQ, "in use");
+  tt_assert(inp->next);
+  tt_str_op(inp->next->key, OP_EQ, "TorVersion");
+  tt_str_op(inp->next->value, OP_EQ, "this test doesn't care");
+  tt_assert(! inp->next->next);
+
+ done:
+  config_free_lines(inp);
+}
+
+#define T(name) \
+  { #name, test_statefile_##name, 0, NULL, NULL }
+
+struct testcase_t statefile_tests[] = {
+  T(remove_obsolete),
+  END_OF_TESTCASES
+};