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Add a few more posix_spawn testcases, which should detect everything that

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was wrong in the initial version, causing the failure reported in
PR kern/45991.
This commit is contained in:
martin 2012-02-14 00:13:54 +00:00
parent b3430e5626
commit 1e1d6ed3ce
2 changed files with 204 additions and 5 deletions
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3
tests/lib/libc/gen/posix_spawn/Makefile
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@ -1,6 +1,7 @@
# $NetBSD: Makefile,v 1.1 2012/02/13 21:03:08 martin Exp $
# $NetBSD: Makefile,v 1.2 2012/02/14 00:13:54 martin Exp $
NOMAN= # defined
WARNS=4
.include <bsd.own.mk>

206
tests/lib/libc/gen/posix_spawn/t_fileactions.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_fileactions.c,v 1.1 2012/02/13 21:03:08 martin Exp $ */
/* $NetBSD: t_fileactions.c,v 1.2 2012/02/14 00:13:54 martin Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@ -35,17 +35,212 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <spawn.h>
#include <unistd.h>
#include <sys/wait.h>
ATF_TC(t_spawn_openmode);
ATF_TC_HEAD(t_spawn_openmode, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test the proper handling of 'mode' for 'open' fileactions");
atf_tc_set_md_var(tc, "require.progs", "/bin/cat");
}
static off_t
filesize(const char * restrict fname)
{
struct stat st;
int err;
err = stat(fname, &st);
ATF_REQUIRE(err == 0);
return st.st_size;
}
#define TESTFILE "./the_input_data"
#define CHECKFILE "./the_output_data"
#define TESTCONTENT "marry has a little lamb"
static void
make_testfile(const char *restrict file)
{
FILE *f;
size_t written;
f = fopen(file, "w");
ATF_REQUIRE(f != NULL);
written = fwrite(TESTCONTENT, 1, strlen(TESTCONTENT), f);
fclose(f);
ATF_REQUIRE(written == strlen(TESTCONTENT));
}
static void
empty_outfile(const char *restrict filename)
{
FILE *f;
f = fopen(filename, "w");
ATF_REQUIRE(f != NULL);
fclose(f);
}
ATF_TC_BODY(t_spawn_openmode, tc)
{
int status, err;
pid_t pid;
size_t insize, outsize;
char * const args[2] = { __UNCONST("cat"), NULL };
posix_spawn_file_actions_t fa;
/*
* try a "cat < testfile > checkfile"
*/
make_testfile(TESTFILE);
unlink(CHECKFILE);
posix_spawn_file_actions_init(&fa);
posix_spawn_file_actions_addopen(&fa, fileno(stdin),
TESTFILE, O_RDONLY, 0);
posix_spawn_file_actions_addopen(&fa, fileno(stdout),
CHECKFILE, O_WRONLY|O_CREAT, 0600);
err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL);
posix_spawn_file_actions_destroy(&fa);
ATF_REQUIRE(err == 0);
/* ok, wait for the child to finish */
waitpid(pid, &status, 0);
ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
/* now check that input and output have the same size */
insize = filesize(TESTFILE);
outsize = filesize(CHECKFILE);
ATF_REQUIRE(insize == strlen(TESTCONTENT));
ATF_REQUIRE(insize == outsize);
/*
* try a "cat < testfile >> checkfile"
*/
make_testfile(TESTFILE);
make_testfile(CHECKFILE);
posix_spawn_file_actions_init(&fa);
posix_spawn_file_actions_addopen(&fa, fileno(stdin),
TESTFILE, O_RDONLY, 0);
posix_spawn_file_actions_addopen(&fa, fileno(stdout),
CHECKFILE, O_WRONLY|O_APPEND, 0);
err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL);
posix_spawn_file_actions_destroy(&fa);
ATF_REQUIRE(err == 0);
/* ok, wait for the child to finish */
waitpid(pid, &status, 0);
ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
/* now check that output is twice as long as input */
insize = filesize(TESTFILE);
outsize = filesize(CHECKFILE);
ATF_REQUIRE(insize == strlen(TESTCONTENT));
ATF_REQUIRE(insize*2 == outsize);
/*
* try a "cat < testfile > checkfile" with input and output swapped
*/
make_testfile(TESTFILE);
empty_outfile(CHECKFILE);
posix_spawn_file_actions_init(&fa);
posix_spawn_file_actions_addopen(&fa, fileno(stdout),
TESTFILE, O_RDONLY, 0);
posix_spawn_file_actions_addopen(&fa, fileno(stdin),
CHECKFILE, O_WRONLY, 0);
err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL);
posix_spawn_file_actions_destroy(&fa);
ATF_REQUIRE(err == 0);
/* ok, wait for the child to finish */
waitpid(pid, &status, 0);
ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_FAILURE);
/* now check that input and output are still the same size */
insize = filesize(TESTFILE);
outsize = filesize(CHECKFILE);
ATF_REQUIRE(insize == strlen(TESTCONTENT));
ATF_REQUIRE(outsize == 0);
}
ATF_TC(t_spawn_reopen);
ATF_TC_HEAD(t_spawn_reopen, tc)
{
atf_tc_set_md_var(tc, "descr",
"an open filehandle can be replaced by a 'open' fileaction");
atf_tc_set_md_var(tc, "require.progs", "/bin/cat");
}
ATF_TC_BODY(t_spawn_reopen, tc)
{
int status, err;
pid_t pid;
char * const args[2] = { __UNCONST("cat"), NULL };
posix_spawn_file_actions_t fa;
/*
* make sure stdin is open in the parent
*/
freopen("/dev/zero", "r", stdin);
/*
* now request an open for this fd again in the child
*/
posix_spawn_file_actions_init(&fa);
posix_spawn_file_actions_addopen(&fa, fileno(stdin),
"/dev/null", O_RDONLY, 0);
err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL);
posix_spawn_file_actions_destroy(&fa);
ATF_REQUIRE(err == 0);
waitpid(pid, &status, 0);
ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
}
ATF_TC(t_spawn_open_nonexistent);
ATF_TC_HEAD(t_spawn_open_nonexistent, tc)
{
atf_tc_set_md_var(tc, "descr",
"posix_spawn fails when a file to open does not exist");
atf_tc_set_md_var(tc, "require.progs", "/bin/cat");
}
ATF_TC_BODY(t_spawn_open_nonexistent, tc)
{
int err;
pid_t pid;
char * const args[2] = { __UNCONST("cat"), NULL };
posix_spawn_file_actions_t fa;
posix_spawn_file_actions_init(&fa);
posix_spawn_file_actions_addopen(&fa, STDIN_FILENO,
"./non/ex/ist/ent", O_RDONLY, 0);
err = posix_spawn(&pid, "/bin/cat", &fa, NULL, args, NULL);
ATF_REQUIRE(err == ENOENT);
posix_spawn_file_actions_destroy(&fa);
}
ATF_TC(t_spawn_fileactions);
ATF_TC_HEAD(t_spawn_fileactions, tc)
{
atf_tc_set_md_var(tc, "descr",
"Tests posix_spawn with fileactions");
"Tests various complex fileactions");
}
ATF_TC_BODY(t_spawn_fileactions, tc)
@ -76,17 +271,20 @@ ATF_TC_BODY(t_spawn_fileactions, tc)
snprintf(helper, sizeof helper, "%s/h_fileactions",
atf_tc_get_config_var(tc, "srcdir"));
err = posix_spawn(&pid, helper, &fa, NULL, args, NULL);
posix_spawn_file_actions_destroy(&fa);
ATF_REQUIRE(err == 0);
waitpid(pid, &status, 0);
ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
posix_spawn_file_actions_destroy(&fa);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, t_spawn_fileactions);
ATF_TP_ADD_TC(tp, t_spawn_open_nonexistent);
ATF_TP_ADD_TC(tp, t_spawn_reopen);
ATF_TP_ADD_TC(tp, t_spawn_openmode);
return atf_no_error();
}