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-rw-r--r--gnulib-tests/test-nstrftime.c264
1 files changed, 264 insertions, 0 deletions
diff --git a/gnulib-tests/test-nstrftime.c b/gnulib-tests/test-nstrftime.c
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+++ b/gnulib-tests/test-nstrftime.c
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+/* Test that nstrftime works as required.
+ Copyright (C) 2011-2020 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Jim Meyering. */
+
+#include <config.h>
+
+#include "strftime.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "macros.h"
+#define STREQ(a, b) (strcmp (a, b) == 0)
+
+/* Support for settings like TZ='<+00>0' was added in IEEE Std 1003.1-2001. */
+#define TZ_ANGLE_BRACKETS_SHOULD_WORK (200112 <= _POSIX_VERSION)
+
+struct posixtm_test
+{
+ time_t in;
+ int in_ns;
+ char const *fmt;
+ char const *exp;
+};
+
+static struct posixtm_test const T[] =
+ {
+ { 1300000000, 0, "%F", "2011-03-13" },
+ { 0, 10, "%T.%N", "00:00:00.000000010" },
+ { 56, 123456789, "%T.%12N", "00:00:56.123456789000" },
+ { 0, 0, NULL, NULL }
+ };
+
+static int
+posixtm_test (void)
+{
+ int fail = 0;
+ unsigned int i;
+
+ for (i = 0; T[i].fmt; i++)
+ {
+ char buf[1000];
+ time_t t = T[i].in;
+ struct tm *tm = gmtime (&t);
+ size_t n;
+
+ ASSERT (tm);
+
+ n = nstrftime (buf, sizeof buf, T[i].fmt, tm, 0, T[i].in_ns);
+ if (n == 0)
+ {
+ fail = 1;
+ printf ("nstrftime failed with format %s\n", T[i].fmt);
+ }
+
+ if (! STREQ (buf, T[i].exp))
+ {
+ fail = 1;
+ printf ("%s: result mismatch: got %s, expected %s\n",
+ T[i].fmt, buf, T[i].exp);
+ }
+ }
+
+ return fail;
+}
+
+struct tzalloc_test
+{
+ timezone_t tz;
+ char const *setting;
+};
+
+static struct tzalloc_test TZ[] =
+ {
+#define Pacific 0
+ { 0, "PST8PDT,M3.2.0,M11.1.0" },
+#define Arizona 1
+ { 0, "MST7" },
+#define UTC 2
+ { 0, 0 },
+#define CentEur 3
+ { 0, "CET-1CEST,M3.5.0,M10.5.0/3" },
+#define Japan 4
+ { 0, "JST-9" },
+#define NZ 5
+ { 0, "NZST-12NZDT,M9.5.0,M4.1.0/3" },
+#define Unknown 6
+ { 0, "<-00>0" },
+ { 0 }
+ };
+
+struct localtime_rz_test
+{
+ /* Input parameters. */
+ struct tzalloc_test *tza;
+ time_t t;
+
+ /* Expected result. */
+ char const *exp;
+
+ /* Determines if an incorrectly unset tm_isdst
+ results in failure or just a warning. */
+ int ahistorical;
+};
+
+static struct localtime_rz_test LT[] =
+ {
+ { TZ+Pacific, 0, "1969-12-31 16:00:00 -0800 (PST)", 0 },
+ { TZ+Arizona, 0, "1969-12-31 17:00:00 -0700 (MST)", 0 },
+ { TZ+UTC , 0, "1970-01-01 00:00:00 +0000 (UTC)", 0 },
+ { TZ+CentEur, 0, "1970-01-01 01:00:00 +0100 (CET)", 0 },
+ { TZ+Japan , 0, "1970-01-01 09:00:00 +0900 (JST)", 0 },
+ { TZ+NZ , 0, "1970-01-01 13:00:00 +1300 (NZDT)", 1 },
+ { TZ+Pacific, 500000001, "1985-11-04 16:53:21 -0800 (PST)", 0 },
+ { TZ+Arizona, 500000001, "1985-11-04 17:53:21 -0700 (MST)", 0 },
+ { TZ+UTC , 500000001, "1985-11-05 00:53:21 +0000 (UTC)", 0 },
+ { TZ+CentEur, 500000001, "1985-11-05 01:53:21 +0100 (CET)", 1 },
+ { TZ+Japan , 500000001, "1985-11-05 09:53:21 +0900 (JST)", 0 },
+ { TZ+NZ , 500000001, "1985-11-05 13:53:21 +1300 (NZDT)", 0 },
+ { TZ+Pacific, 1000000002, "2001-09-08 18:46:42 -0700 (PDT)", 0 },
+ { TZ+Arizona, 1000000002, "2001-09-08 18:46:42 -0700 (MST)", 0 },
+ { TZ+UTC , 1000000002, "2001-09-09 01:46:42 +0000 (UTC)", 0 },
+ { TZ+CentEur, 1000000002, "2001-09-09 03:46:42 +0200 (CEST)", 0 },
+ { TZ+Japan , 1000000002, "2001-09-09 10:46:42 +0900 (JST)", 0 },
+ { TZ+NZ , 1000000002, "2001-09-09 13:46:42 +1200 (NZST)", 0 },
+#if TZ_ANGLE_BRACKETS_SHOULD_WORK
+ { TZ+Unknown, 0, "1970-01-01 00:00:00 -0000 (-00)", 0 },
+ { TZ+Unknown, 500000001, "1985-11-05 00:53:21 -0000 (-00)", 0 },
+ { TZ+Unknown, 1000000002, "2001-09-09 01:46:42 -0000 (-00)", 0 },
+#endif
+ { 0 }
+ };
+
+static int
+tzalloc_test (void)
+{
+ int fail = 0;
+ int i;
+
+ for (i = 0; LT[i].tza; i++)
+ {
+ struct tzalloc_test *tza = LT[i].tza;
+ long lt = LT[i].t;
+ timezone_t tz = tza->tz;
+ char const *setting;
+ static char const format[] = "%Y-%m-%d %H:%M:%S %z (%Z)";
+ char buf[1000];
+ struct tm tm;
+ size_t n;
+
+ if (!tz && tza->setting)
+ {
+ tz = tzalloc (tza->setting);
+ if (!tz)
+ {
+ fail = 1;
+ printf ("%s: tzalloc: %s\n", TZ[i].setting, strerror (errno));
+ continue;
+ }
+ tza->tz = tz;
+ }
+
+ setting = tza->setting ? tza->setting : "UTC0";
+
+ if (!localtime_rz (tz, &LT[i].t, &tm))
+ {
+ fail = 1;
+ printf ("%s: %ld: localtime_rz: %s\n", setting, lt,
+ strerror (errno));
+ continue;
+ }
+
+ n = nstrftime (buf, sizeof buf, format, &tm, tz, 0);
+ if (n == 0)
+ {
+ fail = 1;
+ printf ("%s: %ld: nstrftime failed\n", setting, lt);
+ continue;
+ }
+
+ if (! (STREQ (buf, LT[i].exp)
+ || (!tz && n == strlen (LT[i].exp)
+ && memcmp (buf, LT[i].exp, n - sizeof "(GMT)" + 1) == 0
+ && STREQ (buf + n - sizeof "(GMT)" + 1, "(GMT)"))))
+ {
+ /* Don't fail for unhandled dst in ahistorical entries,
+ as gnulib doesn't currently fix that issue, seen on Darwin 14. */
+ if (!LT[i].ahistorical || tm.tm_isdst)
+ fail = 1;
+ printf ("%s: expected \"%s\", got \"%s\"\n",
+ setting, LT[i].exp, buf);
+ }
+ }
+
+ return fail;
+}
+
+
+static int
+quarter_test (void)
+{
+ int result = 0;
+ size_t mon;
+
+ /* Check %q. */
+ for (mon = 1; mon <= 12; mon++)
+ {
+ char out[2];
+ char exp[2] = {0,};
+ struct tm qtm = { .tm_mon = mon - 1 };
+ char fmt[3] = {'%','q','\0'};
+
+ size_t r = nstrftime (out, sizeof (out), fmt, &qtm, 0, 0);
+ if (r == 0)
+ {
+ puts ("nstrftime(\"%q\") failed");
+ result = 1;
+ break;
+ }
+
+ exp[0] = mon < 4 ? '1' : mon < 7 ? '2' : mon < 10 ? '3' : '4';
+ if (strcmp (out, exp) != 0)
+ {
+ printf ("nstrftime %%q: expected \"%s\", got \"%s\"\n", exp, out);
+ result = 1;
+ break;
+ }
+ }
+
+ return result;
+}
+
+int
+main (void)
+{
+ int fail = 0;
+ fail |= posixtm_test ();
+ fail |= tzalloc_test ();
+ fail |= quarter_test ();
+ return fail;
+}
+
+/*
+Local Variables:
+indent-tabs-mode: nil
+End:
+*/
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