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support: Introduce new subdirectory for test infrastructure

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The new test driver in <support/test-driver.c> has feature parity with
the old one.  The main difference is that its hooking mechanism is
based on functions and function pointers instead of macros.  This
commit also implements a new environment variable, TEST_COREDUMPS,
which disables the code which disables coredumps (that is, it enables
them if the invocation environment has not disabled them).

<test-skeleton.c> defines wrapper functions so that it is possible to
use existing macros with the new-style hook functionality.

This commit changes only a few test cases to the new test driver, to
make sure that it works as expected.
This commit is contained in:
Florian Weimer
2016-12-09 08:18:27 +01:00
parent c03073774f
commit c23de0aacb
59 changed files with 2204 additions and 968 deletions
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26
stdlib/tst-secure-getenv.c
View File

@ -30,11 +30,12 @@
#include <sys/wait.h>
#include <unistd.h>
#include <support/support.h>
#include <support/test-driver.h>
static char MAGIC_ARGUMENT[] = "run-actual-test";
#define MAGIC_STATUS 19
static const char *test_dir;
/* Return a GID which is not our current GID, but is present in the
supplementary group list. */
static gid_t
@ -64,27 +65,17 @@ choose_gid (void)
static int
run_executable_sgid (gid_t target)
{
char *dirname = 0;
char *execname = 0;
char *dirname = xasprintf ("%s/secure-getenv.%jd",
test_dir, (intmax_t) getpid ());
char *execname = xasprintf ("%s/bin", dirname);
int infd = -1;
int outfd = -1;
int ret = -1;
if (asprintf (&dirname, "%s/secure-getenv.%jd",
test_dir, (intmax_t) getpid ()) < 0)
{
printf ("asprintf: %m\n");
goto err;
}
if (mkdir (dirname, 0700) < 0)
{
printf ("mkdir: %m\n");
goto err;
}
if (asprintf (&execname, "%s/bin", dirname) < 0)
{
printf ("asprintf: %m\n");
goto err;
}
infd = open ("/proc/self/exe", O_RDONLY);
if (infd < 0)
{
@ -247,6 +238,5 @@ alternative_main (int argc, char **argv)
}
}
#define PREPARE(argc, argv) alternative_main(argc, argv)
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
#define PREPARE alternative_main
#include <support/test-driver.c>