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blockdev-test: Test device_del after drive_del

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Executed in this order, drive_del and device_del's automatic drive
deletion take notoriously tricky special paths.

[Fixed "an device" -> "a device" typo as requested by Eric Blake.
--Stefan]

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1412261496-24455-7-git-send-email-armbru@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Markus Armbruster 2014-10-02 16:51:36 +02:00 • committed by Stefan Hajnoczi
parent 2eea5cd452
commit 767c86d3e7
1 changed files with 32 additions and 0 deletions
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32
tests/drive_del-test.c
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@ -40,6 +40,19 @@ static void drive_del(void)
QDECREF(response); QDECREF(response);
} }
static void device_del(void)
{
QDict *response;
/* Complication: ignore DEVICE_DELETED event */
qmp_discard_response("{'execute': 'device_del',"
" 'arguments': { 'id': 'dev0' } }");
response = qmp_receive();
g_assert(response);
g_assert(qdict_haskey(response, "return"));
QDECREF(response);
}
static void test_drive_without_dev(void) static void test_drive_without_dev(void)
{ {
/* Start with an empty drive */ /* Start with an empty drive */
@ -87,6 +100,23 @@ static void test_after_failed_device_add(void)
qtest_end(); qtest_end();
} }
static void test_drive_del_device_del(void)
{
/* Start with a drive used by a device that unplugs instantaneously */
qtest_start("-drive if=none,id=drive0,file=/dev/null"
" -device virtio-scsi-pci"
" -device scsi-hd,drive=drive0,id=dev0");
/*
* Delete the drive, and then the device
* Doing it in this order takes notoriously tricky special paths
*/
drive_del();
device_del();
qtest_end();
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
const char *arch = qtest_get_arch(); const char *arch = qtest_get_arch();
@ -99,6 +129,8 @@ int main(int argc, char **argv)
if (!strcmp(arch, "i386") || !strcmp(arch, "x86_64")) { if (!strcmp(arch, "i386") || !strcmp(arch, "x86_64")) {
qtest_add_func("/drive_del/after_failed_device_add", qtest_add_func("/drive_del/after_failed_device_add",
test_after_failed_device_add); test_after_failed_device_add);
qtest_add_func("/blockdev/drive_del_device_del",
test_drive_del_device_del);
} }
return g_test_run(); return g_test_run();