2 files changed, 72 insertions, 1 deletions
diff --git a/tests/libutil/Makemodule.am b/tests/libutil/Makemodule.am
index a3853d2..2ea2d43 100644
--- a/tests/libutil/Makemodule.am
+++ b/tests/libutil/Makemodule.am
@@ -27,9 +27,13 @@ test_filename_sane_w32_SOURCES += lib/util/filename_sane.c
 test_filename_sane_w32_CPPFLAGS = $(AM_CPPFLAGS) -DTEST_WIN32=1
 test_filename_sane_w32_LDADD = libcompat.a
 
+test_sdate_epoch_SOURCES = tests/libutil/epoch.c
+test_sdate_epoch_LDADD = libutil.a libcompat.a
+
 LIBUTIL_TESTS = \
 	test_str_table test_rbtree test_xxhash test_threadpool test_ismemzero \
-	test_canonicalize_name test_filename_sane test_filename_sane_w32
+	test_canonicalize_name test_filename_sane test_filename_sane_w32 \
+	test_sdate_epoch
 
 check_PROGRAMS += $(LIBUTIL_TESTS)
 TESTS += $(LIBUTIL_TESTS)
diff --git a/tests/libutil/epoch.c b/tests/libutil/epoch.c
new file mode 100644
index 0000000..a04942e
--- /dev/null
+++ b/tests/libutil/epoch.c
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * epoch.c
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#include "config.h"
+#include "util/util.h"
+#include "util/test.h"
+
+#if defined(_WIN32) || defined(__WINDOWS__)
+static void setenv(const char *key, const char *value, int overwrite)
+{
+	char buffer[128];
+	(void)overwrite;
+
+	snprintf(buffer, sizeof(buffer) - 1, "%s=%s", key, value);
+	buffer[sizeof(buffer) - 1] = '\0';
+
+	_putenv(buffer);
+}
+
+static void unsetenv(const char *key)
+{
+	setenv(key, "", 0);
+}
+#endif
+
+int main(int argc, char **argv)
+{
+	sqfs_u32 ts;
+	(void)argc; (void)argv;
+
+	unsetenv("SOURCE_DATE_EPOCH");
+	ts = get_source_date_epoch();
+	TEST_EQUAL_UI(ts, 0);
+
+	setenv("SOURCE_DATE_EPOCH", "1337", 1);
+	ts = get_source_date_epoch();
+	TEST_EQUAL_UI(ts, 1337);
+
+	setenv("SOURCE_DATE_EPOCH", "0xCAFE", 1);
+	ts = get_source_date_epoch();
+	TEST_EQUAL_UI(ts, 0);
+
+	setenv("SOURCE_DATE_EPOCH", "foobar", 1);
+	ts = get_source_date_epoch();
+	TEST_EQUAL_UI(ts, 0);
+
+	setenv("SOURCE_DATE_EPOCH", "-12", 1);
+	ts = get_source_date_epoch();
+	TEST_EQUAL_UI(ts, 0);
+
+	setenv("SOURCE_DATE_EPOCH", "12", 1);
+	ts = get_source_date_epoch();
+	TEST_EQUAL_UI(ts, 12);
+
+	setenv("SOURCE_DATE_EPOCH", "4294967295", 1);
+	ts = get_source_date_epoch();
+	TEST_EQUAL_UI(ts, 0xFFFFFFFF);
+
+	setenv("SOURCE_DATE_EPOCH", "4294967296", 1);
+	ts = get_source_date_epoch();
+	TEST_EQUAL_UI(ts, 0);
+
+	return EXIT_SUCCESS;
+}