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tests: add /char/pipe test 

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau 2017-01-03 19:20:05 +01:00
parent e24ef0db4f
commit a86c83d704
1 changed files with 90 additions and 0 deletions
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90
tests/test-char.c
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@ -1,4 +1,5 @@
#include "qemu/osdep.h"
#include <glib/gstdio.h>
#include "qemu-common.h"
#include "qemu/config-file.h"
@ -7,12 +8,28 @@
#include "qapi/error.h"
#include "qmp-commands.h"
static bool quit;
typedef struct FeHandler {
int read_count;
int last_event;
char read_buf[128];
} FeHandler;
#ifndef _WIN32
static void main_loop(void)
{
bool nonblocking;
int last_io = 0;
quit = false;
do {
nonblocking = last_io > 0;
last_io = main_loop_wait(nonblocking);
} while (!quit);
}
#endif
static int fe_can_read(void *opaque)
{
FeHandler *h = opaque;
@ -28,6 +45,7 @@ static void fe_read(void *opaque, const uint8_t *buf, int size)
memcpy(h->read_buf + h->read_count, buf, size);
h->read_count += size;
quit = true;
}
static void fe_event(void *opaque, int event)
@ -35,6 +53,7 @@ static void fe_event(void *opaque, int event)
FeHandler *h = opaque;
h->last_event = event;
quit = true;
}
#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
@ -192,6 +211,72 @@ static void char_mux_test(void)
object_unparent(OBJECT(chr));
}
#ifndef _WIN32
static void char_pipe_test(void)
{
gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
gchar *tmp, *in, *out, *pipe = g_build_filename(tmp_path, "pipe", NULL);
Chardev *chr;
CharBackend be;
int ret, fd;
char buf[10];
FeHandler fe = { 0, };
in = g_strdup_printf("%s.in", pipe);
if (mkfifo(in, 0600) < 0) {
abort();
}
out = g_strdup_printf("%s.out", pipe);
if (mkfifo(out, 0600) < 0) {
abort();
}
tmp = g_strdup_printf("pipe:%s", pipe);
chr = qemu_chr_new("pipe", tmp);
g_assert_nonnull(chr);
g_free(tmp);
qemu_chr_fe_init(&be, chr, &error_abort);
ret = qemu_chr_fe_write(&be, (void *)"pipe-out", 9);
g_assert_cmpint(ret, ==, 9);
fd = open(out, O_RDWR);
ret = read(fd, buf, sizeof(buf));
g_assert_cmpint(ret, ==, 9);
g_assert_cmpstr(buf, ==, "pipe-out");
close(fd);
fd = open(in, O_WRONLY);
ret = write(fd, "pipe-in", 8);
g_assert_cmpint(ret, ==, 8);
close(fd);
qemu_chr_fe_set_handlers(&be,
fe_can_read,
fe_read,
fe_event,
&fe,
NULL, true);
main_loop();
g_assert_cmpint(fe.read_count, ==, 8);
g_assert_cmpstr(fe.read_buf, ==, "pipe-in");
qemu_chr_fe_deinit(&be);
object_unparent(OBJECT(chr));
g_assert(g_unlink(in) == 0);
g_assert(g_unlink(out) == 0);
g_assert(g_rmdir(tmp_path) == 0);
g_free(in);
g_free(out);
g_free(tmp_path);
g_free(pipe);
}
#endif
static void char_null_test(void)
{
Error *err = NULL;
@ -245,6 +330,8 @@ static void char_invalid_test(void)
int main(int argc, char **argv)
{
qemu_init_main_loop(&error_abort);
g_test_init(&argc, &argv, NULL);
module_call_init(MODULE_INIT_QOM);
@ -258,6 +345,9 @@ int main(int argc, char **argv)
g_test_add_func("/char/stdio/subprocess", char_stdio_test_subprocess);
g_test_add_func("/char/stdio", char_stdio_test);
#endif
#ifndef _WIN32
g_test_add_func("/char/pipe", char_pipe_test);
#endif
return g_test_run();
}