Added bash script to test DateTime.Now.

The test changes TZ environment variable and compares DateTime.Now with system date.
The test checks all the timezones installed in /usr/share/zoneinfo/.

1 files changed, 25 insertions, 0 deletions

diff --git a/mcs/class/corlib/DateTime.Now_Test.sh b/mcs/class/corlib/DateTime.Now_Test.sh
new file mode 100755
index 00000000000..27b9c2014d2
--- /dev/null
+++ b/mcs/class/corlib/DateTime.Now_Test.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+SCRIPT_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+export MONO_PATH=${MONO_PATH:-$SCRIPT_PATH/../lib/net_4_5/}
+
+TZ_FAILS=0
+TZ_COUNT=0
+FORMAT="%a %b %d %T %Y"
+
+for tz in $(cd /usr/share/zoneinfo/; find * -type f -print); do
+	TZ_COUNT=$(expr $TZ_COUNT + 1)
+	SYS_DATETIME=$(date -ju -f "$FORMAT" "$(TZ=$tz date "+$FORMAT")" "+%s")
+	CS_DATETIME=$(TZ=$tz csharp -e '(int)(DateTime.Now - new DateTime(1970, 1, 1)).TotalSeconds;')
+	DIFF=$(expr $SYS_DATETIME - $CS_DATETIME)
+	if [ "$DIFF" -gt "5" ] || [ "$DIFF" -lt "-5" ]; then
+		TZ_FAILS=$(expr $TZ_FAILS + 1)
+		echo ""
+		echo "DateTime.Now failed with timezone: $tz"
+		echo "    System:       $(date -ju -f "%s" "$SYS_DATETIME" "+%Y-%m-%d %T")"
+		echo "    DateTime.Now: $(date -ju -f "%s" "$CS_DATETIME" "+%Y-%m-%d %T")"
+	fi
+	echo ".\c"
+done
+echo ""
+echo "DateTime.Now failed with $TZ_FAILS of $TZ_COUNT timezones."