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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/tests/drive_del-test.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/tests/drive_del-test.c')
-rw-r--r--qemu/tests/drive_del-test.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/qemu/tests/drive_del-test.c b/qemu/tests/drive_del-test.c
new file mode 100644
index 000000000..8951f6f61
--- /dev/null
+++ b/qemu/tests/drive_del-test.c
@@ -0,0 +1,137 @@
+/*
+ * blockdev.c test cases
+ *
+ * Copyright (C) 2013-2014 Red Hat Inc.
+ *
+ * Authors:
+ * Stefan Hajnoczi <stefanha@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ */
+
+#include <glib.h>
+#include <string.h>
+#include "libqtest.h"
+
+static void drive_add(void)
+{
+ QDict *response;
+
+ response = qmp("{'execute': 'human-monitor-command',"
+ " 'arguments': {"
+ " 'command-line': 'drive_add 0 if=none,id=drive0'"
+ "}}");
+ g_assert(response);
+ g_assert_cmpstr(qdict_get_try_str(response, "return"), ==, "OK\r\n");
+ QDECREF(response);
+}
+
+static void drive_del(void)
+{
+ QDict *response;
+
+ response = qmp("{'execute': 'human-monitor-command',"
+ " 'arguments': {"
+ " 'command-line': 'drive_del drive0'"
+ "}}");
+ g_assert(response);
+ g_assert_cmpstr(qdict_get_try_str(response, "return"), ==, "");
+ 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)
+{
+ /* Start with an empty drive */
+ qtest_start("-drive if=none,id=drive0");
+
+ /* Delete the drive */
+ drive_del();
+
+ /* Ensure re-adding the drive works - there should be no duplicate ID error
+ * because the old drive must be gone.
+ */
+ drive_add();
+
+ qtest_end();
+}
+
+static void test_after_failed_device_add(void)
+{
+ QDict *response;
+ QDict *error;
+
+ qtest_start("-drive if=none,id=drive0");
+
+ /* Make device_add fail. If this leaks the virtio-blk-pci device then a
+ * reference to drive0 will also be held (via qdev properties).
+ */
+ response = qmp("{'execute': 'device_add',"
+ " 'arguments': {"
+ " 'driver': 'virtio-blk-pci',"
+ " 'drive': 'drive0'"
+ "}}");
+ g_assert(response);
+ error = qdict_get_qdict(response, "error");
+ g_assert_cmpstr(qdict_get_try_str(error, "class"), ==, "GenericError");
+ QDECREF(response);
+
+ /* Delete the drive */
+ drive_del();
+
+ /* Try to re-add the drive. This fails with duplicate IDs if a leaked
+ * virtio-blk-pci exists that holds a reference to the old drive0.
+ */
+ drive_add();
+
+ 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,format=raw"
+ " -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)
+{
+ const char *arch = qtest_get_arch();
+
+ g_test_init(&argc, &argv, NULL);
+
+ qtest_add_func("/drive_del/without-dev", test_drive_without_dev);
+
+ /* TODO I guess any arch with PCI would do */
+ if (!strcmp(arch, "i386") || !strcmp(arch, "x86_64")) {
+ qtest_add_func("/drive_del/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();
+}