+2008-11-07 Bruno Haible <bruno@clisp.org>
+
+ * tests/test-select-fd.c: New file.
+ * tests/test-select-in.sh: New file.
+ * tests/test-select-out.sh: New file.
+ * tests/test-select-stdin.c: New file.
+ * modules/select-tests (Files): Add the new files.
+ (Depends-on): Add gettimeofday.
+ (Makefile.am): Add test-select-in.sh, test-select-out.sh to TESTS.
+ Set TESTS_ENVIRONMENT. Add test-select-fd, test-select-stdin to
+ check_PROGRAMS. Define test_select_fd_LDADD, test_select_stdin_LDADD.
+
2008-11-06 Alexander V. Lukyanov <lav@netis.ru>
Bruno Haible <bruno@clisp.org>
Files:
tests/test-select.c
+tests/test-select-fd.c
+tests/test-select-in.sh
+tests/test-select-out.sh
+tests/test-select-stdin.c
Depends-on:
stdbool
accept
ioctl
close
+gettimeofday
configure.ac:
Makefile.am:
-TESTS += test-select
-check_PROGRAMS += test-select
+TESTS += test-select test-select-in.sh test-select-out.sh
+# test-select-stdin has to be run by hand.
+TESTS_ENVIRONMENT += EXEEXT='@EXEEXT@'
+check_PROGRAMS += test-select test-select-fd test-select-stdin
test_select_LDADD = $(LDADD) @LIBSOCKET@
+test_select_fd_LDADD = $(LDADD) @LIBSOCKET@
+test_select_stdin_LDADD = $(LDADD) @LIBSOCKET@
License:
LGPL
--- /dev/null
+/* Test of select() substitute, reading or writing from a given file descriptor.
+ Copyright (C) 2008 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 <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/select.h>
+
+int
+main (int argc, char *argv[])
+{
+ if (argc == 3)
+ {
+ char mode = argv[1][0];
+
+ if (mode == 'r' || mode == 'w')
+ {
+ int fd = atoi (argv[2]);
+
+ if (fd >= 0)
+ {
+ fd_set fds;
+ struct timeval timeout;
+ int ret;
+
+ FD_ZERO (&fds);
+ FD_SET (fd, &fds);
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 10000;
+ ret = (mode == 'r'
+ ? select (fd + 1, &fds, NULL, NULL, &timeout)
+ : select (fd + 1, NULL, &fds, NULL, &timeout));
+ if (ret < 0)
+ {
+ perror ("select failed");
+ exit (1);
+ }
+ if ((ret == 0) != ! FD_ISSET (fd, &fds))
+ {
+ fprintf (stderr, "incorrect return value\n");
+ exit (1);
+ }
+ fprintf (stderr, "%d\n", ret);
+ exit (0);
+ }
+ }
+ }
+ fprintf (stderr, "Usage: test-select-fd mode fd\n");
+ exit (1);
+}
--- /dev/null
+#!/bin/sh
+# Test select() on file descriptors opened for reading.
+
+tmpfiles=""
+trap 'rm -fr $tmpfiles' 1 2 3 15
+
+tmpfiles="$tmpfiles t-select-in.tmp"
+
+# Regular files.
+
+./test-select-fd${EXEEXT} r 0 < ./test-select-fd${EXEEXT} 2> t-select-in.tmp
+test `cat t-select-in.tmp` = "1" || exit 1
+
+# Pipes.
+
+{ sleep 1; echo abc; } | ./test-select-fd${EXEEXT} r 0 2> t-select-in.tmp
+test `cat t-select-in.tmp` = "0" || exit 1
+
+echo abc | { sleep 1; ./test-select-fd${EXEEXT} r 0; } 2> t-select-in.tmp
+test `cat t-select-in.tmp` = "1" || exit 1
+
+# Special files.
+
+./test-select-fd${EXEEXT} r 0 < /dev/null 2> t-select-in.tmp
+test `cat t-select-in.tmp` = "1" || exit 1
+
+rm -fr $tmpfiles
+
+exit 0
--- /dev/null
+#!/bin/sh
+# Test select() on file descriptors opened for writing.
+
+tmpfiles=""
+trap 'rm -fr $tmpfiles' 1 2 3 15
+
+tmpfiles="$tmpfiles t-select-out.out t-select-out.tmp"
+
+# Regular files.
+
+./test-select-fd${EXEEXT} w 1 > t-select-out.out 2> t-select-out.tmp
+test `cat t-select-out.tmp` = "1" || exit 1
+
+# Pipes.
+
+( { echo abc; ./test-select-fd${EXEEXT} w 1; } | { sleep 1; cat; } ) > /dev/null 2> t-select-out.tmp
+test `cat t-select-out.tmp` = "0" || exit 1
+
+( { sleep 1; echo abc; ./test-select-fd${EXEEXT} w 1; } | cat) > /dev/null 2> t-select-out.tmp
+test `cat t-select-out.tmp` = "1" || exit 1
+
+# Special files.
+
+./test-select-fd${EXEEXT} w 1 > /dev/null 2> t-select-out.tmp
+test `cat t-select-out.tmp` = "1" || exit 1
+
+rm -fr $tmpfiles
+
+exit 0
--- /dev/null
+/* Test of select() substitute, reading from stdin.
+ Copyright (C) 2008 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 <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/select.h>
+#include <sys/time.h>
+#include <unistd.h>
+
+int
+main ()
+{
+ printf ("Applying select() from standard input. Press Ctrl-C to abort.\n");
+ for (;;)
+ {
+ struct timeval before;
+ struct timeval after;
+ unsigned long spent_usec;
+ fd_set readfds;
+ struct timeval timeout;
+ int ret;
+
+ gettimeofday (&before, NULL);
+
+ FD_ZERO (&readfds);
+ FD_SET (0, &readfds);
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 500000;
+ ret = select (1, &readfds, NULL, NULL, &timeout);
+
+ gettimeofday (&after, NULL);
+ spent_usec = (after.tv_sec - before.tv_sec) * 1000000
+ + after.tv_usec - before.tv_usec;
+
+ if (ret < 0)
+ {
+ perror ("select failed");
+ exit (1);
+ }
+ if ((ret == 0) != ! FD_ISSET (0, &readfds))
+ {
+ fprintf (stderr, "incorrect return value\n");
+ exit (1);
+ }
+ if (ret == 0)
+ {
+ if (spent_usec < 250000)
+ {
+ fprintf (stderr, "returned too early\n");
+ exit (1);
+ }
+ /* Timeout */
+ printf ("."); fflush (stdout);
+ }
+ else
+ {
+ char c;
+
+ printf ("Input available! Trying to read 1 byte...\n");
+ read (0, &c, 1);
+ }
+ }
+}