[PATCH 5/6] unit-tests: add two example test cases

[Bartosz Golaszewski]

Signed-off-by: Bartosz Golaszewski <bartekgola at gmail.com>
---
 libbb/obscure.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/libbb/obscure.c b/libbb/obscure.c
index 9ecc1f6..c38b652 100644
--- a/libbb/obscure.c
+++ b/libbb/obscure.c
@@ -182,3 +182,43 @@ int FAST_FUNC obscure(const char *old, const char *newval, const struct passwd *
 	}
 	return 0;
 }
+
+#if ENABLE_UNIT_TEST
+
+#include "bbunit.h"
+
+/* Test obscure_msg() instead of obscure() in order not to print anything. */
+
+static const struct passwd pw = {
+	.pw_name = (char *)"johndoe",
+	.pw_gecos = (char *)"John Doe",
+};
+
+BBUNIT_DEFINE_TEST(obscure_weak_pass)
+{
+	/* Empty password */
+	BBUNIT_ASSERT_NOTNULL(obscure_msg("Ad4#21?'S|", "", &pw));
+	/* Pure numbers */
+	BBUNIT_ASSERT_NOTNULL(obscure_msg("Ad4#21?'S|", "23577315", &pw));
+	/* Similar to pw_name */
+	BBUNIT_ASSERT_NOTNULL(obscure_msg("Ad4#21?'S|", "johndoe123%", &pw));
+	/* Similar to pw_gecos, reversed */
+	BBUNIT_ASSERT_NOTNULL(obscure_msg("Ad4#21?'S|", "eoD nhoJ^44@", &pw));
+	/* Similar to the old password */
+	BBUNIT_ASSERT_NOTNULL(obscure_msg("Ad4#21?'S|", "d4#21?'S", &pw));
+	/* adjacent letters */
+	BBUNIT_ASSERT_NOTNULL(obscure_msg("Ad4#21?'S|", "qwerty123", &pw));
+	/* Many similar chars */
+	BBUNIT_ASSERT_NOTNULL(obscure_msg("Ad4#21?'S|", "^33Daaaaaa1", &pw));
+
+	BBUNIT_ENDTEST;
+}
+
+BBUNIT_DEFINE_TEST(obscure_strong_pass)
+{
+	BBUNIT_ASSERT_NULL(obscure_msg("Rt4##2&:'|", "}(^#rrSX3S*22", &pw));
+
+	BBUNIT_ENDTEST;
+}
+
+#endif /* ENABLE_UNIT_TEST */
-- 
1.8.4.5