2 files changed, 57 insertions, 0 deletions

diff --git a/regress/unittests/conversion/Makefile b/regress/unittests/conversion/Makefile
new file mode 100644
index 000000000..cde97dc28
--- /dev/null
+++ b/regress/unittests/conversion/Makefile
@@ -0,0 +1,10 @@
+#       $OpenBSD: Makefile,v 1.1 2017/03/14 01:20:29 dtucker Exp $
+
+PROG=test_conversion
+SRCS=tests.c
+REGRESS_TARGETS=run-regress-${PROG}
+
+run-regress-${PROG}: ${PROG}
+        env ${TEST_ENV} ./${PROG}
+
+.include <bsd.regress.mk>
diff --git a/regress/unittests/conversion/tests.c b/regress/unittests/conversion/tests.c
new file mode 100644
index 000000000..ebd7bde00
--- /dev/null
+++ b/regress/unittests/conversion/tests.c
@@ -0,0 +1,47 @@
+/*      $OpenBSD: tests.c,v 1.1 2017/03/14 01:20:29 dtucker Exp $ */
+/*
+ * Regress test for conversions
+ *
+ * Placed in the public domain
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "test_helper.h"
+
+#include "misc.h"
+
+void
+tests(void)
+{
+        char buf[1024];
+
+        TEST_START("conversion_convtime");
+        ASSERT_LONG_EQ(convtime("0"), 0);
+        ASSERT_LONG_EQ(convtime("1"), 1);
+        ASSERT_LONG_EQ(convtime("1S"), 1);
+        /* from the examples in the comment above the function */
+        ASSERT_LONG_EQ(convtime("90m"), 5400);
+        ASSERT_LONG_EQ(convtime("1h30m"), 5400);
+        ASSERT_LONG_EQ(convtime("2d"), 172800);
+        ASSERT_LONG_EQ(convtime("1w"), 604800);
+
+        /* negative time is not allowed */
+        ASSERT_LONG_EQ(convtime("-7"), -1);
+        ASSERT_LONG_EQ(convtime("-9d"), -1);
+        
+        /* overflow */
+        snprintf(buf, sizeof buf, "%llu", (unsigned long long)LONG_MAX + 1);
+        ASSERT_LONG_EQ(convtime(buf), -1);
+
+        /* overflow with multiplier */
+        snprintf(buf, sizeof buf, "%lluM", (unsigned long long)LONG_MAX/60 + 1);
+        ASSERT_LONG_EQ(convtime(buf), -1);
+        ASSERT_LONG_EQ(convtime("1000000000000000000000w"), -1);
+        TEST_DONE();
+}