grab some time tests from glibc

1 files changed, 116 insertions, 0 deletions

diff --git a/test/time/test_time.c b/test/time/test_time.c
new file mode 100644
index 000000000..20216ed9d
--- /dev/null
+++ b/test/time/test_time.c
@@ -0,0 +1,116 @@
+/* Copyright (C) 1991, 1992, 1994, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+
+int
+main (int argc, char **argv)
+{
+  time_t t;
+  register struct tm *tp;
+  struct tm tbuf;
+  int lose = 0;
+
+  --argc;
+  ++argv;
+
+  do
+    {
+      char buf[BUFSIZ];
+      if (argc > 0)
+	{
+	  static char buf[BUFSIZ];
+	  sprintf(buf, "TZ=%s", *argv);
+	  if (putenv(buf))
+	    {
+	      puts("putenv failed.");
+	      lose = 1;
+	    }
+	  else
+	    puts (buf);
+	}
+      tzset();
+      tbuf.tm_year = 72;
+      tbuf.tm_mon = 0;
+      tbuf.tm_mday = 31;
+      tbuf.tm_hour = 6;
+      tbuf.tm_min = 14;
+      tbuf.tm_sec = 50;
+      tbuf.tm_isdst = -1;
+    doit:;
+      t = mktime(&tbuf);
+      if (t == (time_t) -1)
+	{
+	  puts("mktime() failed?");
+	  lose = 1;
+	}
+      tp = localtime(&t);
+      if (tp == NULL)
+	{
+	  puts("localtime() failed.");
+	  lose = 1;
+	}
+      else if (strftime(buf, sizeof(buf), "%a %b %d %X %Z %Y", tp) == 0)
+	{
+	  puts("strftime() failed.");
+	  lose = 1;
+	}
+      else
+	puts(buf);
+      if (tbuf.tm_year == 101)
+	{
+	  tbuf.tm_year = 97;
+	  tbuf.tm_mon = 0;
+	  goto doit;
+	}
+      ++argv;
+    } while (--argc > 0);
+
+  {
+#define	SIZE	256
+    char buffer[SIZE];
+    time_t curtime;
+    struct tm *loctime;
+
+    curtime = time (NULL);
+
+    loctime = localtime (&curtime);
+
+    fputs (asctime (loctime), stdout);
+
+    strftime (buffer, SIZE, "Today is %A, %B %d.\n", loctime);
+    fputs (buffer, stdout);
+    strftime (buffer, SIZE, "The time is %I:%M %p.\n", loctime);
+    fputs (buffer, stdout);
+
+    loctime->tm_year = 72;
+    loctime->tm_mon = 8;
+    loctime->tm_mday = 12;
+    loctime->tm_hour = 20;
+    loctime->tm_min = 49;
+    loctime->tm_sec = 05;
+    curtime = mktime (loctime);
+    strftime (buffer, SIZE, "%D %T was %w the %jth.\n", loctime);
+    fputs (buffer, stdout);
+  }
+
+  return (lose ? EXIT_FAILURE : EXIT_SUCCESS);
+}