1 files changed, 40 insertions, 0 deletions
diff --git a/test/simulation/008-ntpera b/test/simulation/008-ntpera
new file mode 100755
index 0000000..360a97d
--- /dev/null
+++ b/test/simulation/008-ntpera
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+. ./test.common
+test_start "NTP eras"
+
+# Assume NTP_ERA_SPLIT is between years 1960 and 1990
+
+# Set date to 500 seconds before NTP second overflows, this should
+# work correctly with both 32-bit and 64-bit time_t
+export CLKNETSIM_START_DATE=$(date -d 'Feb  7 06:19:56 UTC 2036' +'%s')
+
+run_test || test_fail
+check_chronyd_exit || test_fail
+check_source_selection || test_fail
+check_packet_interval || test_fail
+check_sync || test_fail
+
+# The following tests need 64-bit time_t
+check_config_h 'HAVE_LONG_TIME_T 1' || test_skip
+
+for year in 1990 2090; do
+	export CLKNETSIM_START_DATE=$(date -d "Jan  1 00:00:00 UTC $year" +'%s')
+	run_test || test_fail
+	check_chronyd_exit || test_fail
+	check_source_selection || test_fail
+	check_packet_interval || test_fail
+	check_sync || test_fail
+done
+
+for year in 1950 2130; do
+	export CLKNETSIM_START_DATE=$(date -d "Jan  1 00:00:00 UTC $year" +'%s')
+	run_test || test_fail
+	check_chronyd_exit || test_fail
+	check_source_selection || test_fail
+	check_packet_interval || test_fail
+	# This check is expected to fail
+	check_sync && test_fail
+done
+
+test_pass