1 files changed, 55 insertions, 0 deletions
diff --git a/time/tst-posixtz.c b/time/tst-posixtz.c
new file mode 100644
index 0000000000..00a16499f3
--- /dev/null
+++ b/time/tst-posixtz.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+struct
+{
+  time_t when;
+  const char *tz;
+  const char *result;
+} tests[] =
+{
+  { 909312849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
+    "1998/10/25 21:54:09 dst=1 zone=AEDST" },
+  { 924864849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
+    "1999/04/23 20:54:09 dst=0 zone=AEST" },
+};
+
+int
+main (void)
+{
+  int result = 0;
+  int cnt;
+
+  for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt)
+    {
+      char buf[100];
+      struct tm *tmp;
+
+      printf ("TZ = \"%s\", time = %ld => ", tests[cnt].tz, tests[cnt].when);
+      fflush (stdout);
+
+      setenv ("TZ", tests[cnt].tz, 1);
+
+      tmp = localtime (&tests[cnt].when);
+
+      snprintf (buf, sizeof (buf),
+		"%04d/%02d/%02d %02d:%02d:%02d dst=%d zone=%s",
+		tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
+		tmp->tm_hour, tmp->tm_min, tmp->tm_sec, tmp->tm_isdst,
+		tzname[tmp->tm_isdst ? 1 : 0]);
+
+      fputs (buf, stdout);
+
+      if (strcmp (buf, tests[cnt].result) == 0)
+	puts (", OK");
+      else
+	{
+	  result = 1;
+	  puts (", FAIL");
+	}
+    }
+
+  return result;
+}