[src/trunk]: src/tests/lib/libc/gen/posix_spawn Add a test case to call posix...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/67a21db702e8
branches:  trunk
changeset: 777485:67a21db702e8
user:      martin <martin%NetBSD.org@localhost>
date:      Mon Feb 20 12:22:40 2012 +0000

description:
Add a test case to call posix_spawn with empty file actions, which reproduced
the (now fixed) PR kern/46038.

diffstat:

 tests/lib/libc/gen/posix_spawn/t_fileactions.c |  47 +++++++++++++++++++++++++-
 1 files changed, 46 insertions(+), 1 deletions(-)

diffs (67 lines):

diff -r cef57ad2b66f -r 67a21db702e8 tests/lib/libc/gen/posix_spawn/t_fileactions.c
--- a/tests/lib/libc/gen/posix_spawn/t_fileactions.c    Mon Feb 20 12:21:23 2012 +0000
+++ b/tests/lib/libc/gen/posix_spawn/t_fileactions.c    Mon Feb 20 12:22:40 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_fileactions.c,v 1.2 2012/02/14 00:13:54 martin Exp $ */
+/* $NetBSD: t_fileactions.c,v 1.3 2012/02/20 12:22:40 martin Exp $ */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -279,12 +279,57 @@
        ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
 }
 
+ATF_TC(t_spawn_empty_fileactions);
+
+ATF_TC_HEAD(t_spawn_empty_fileactions, tc)
+{
+       atf_tc_set_md_var(tc, "descr",
+           "posix_spawn with empty fileactions (PR kern/46038)");
+       atf_tc_set_md_var(tc, "require.progs", "/bin/cat");
+}
+
+ATF_TC_BODY(t_spawn_empty_fileactions, tc)
+{
+       int status, err;
+       pid_t pid;
+       char * const args[2] = { __UNCONST("cat"), NULL };
+       posix_spawn_file_actions_t fa;
+       size_t insize, outsize;
+
+       /*
+        * try a "cat < testfile > checkfile", but set up stdin/stdout
+        * already in the parent and pass empty file actions to the child.
+        */
+       make_testfile(TESTFILE);
+       unlink(CHECKFILE);
+
+       freopen(TESTFILE, "r", stdin);
+       freopen(CHECKFILE, "w", stdout);
+
+       posix_spawn_file_actions_init(&fa);
+       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);
+}
+
 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);
+       ATF_TP_ADD_TC(tp, t_spawn_empty_fileactions);
 
        return atf_no_error();
 }