[PATCH v4 4/9] tests: Add migration switchover ack capability test

[Avihai Horon <avihaih@nvidia.com>]

Add migration switchover ack capability test. The test runs without
devices that support this capability, but is still useful to make sure
it didn't break anything.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
---
 tests/qtest/migration-test.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index b99b49a314..d246a5bbc5 100644
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest/migration-test.c
@@ -1648,6 +1648,28 @@ static void test_precopy_tcp_plain(void)
     test_precopy_common(&args);
 }
 
+static void *test_migrate_switchover_ack_start(QTestState *from, QTestState *to)
+{
+
+    migrate_set_capability(from, "return-path", true);
+    migrate_set_capability(to, "return-path", true);
+
+    migrate_set_capability(from, "switchover-ack", true);
+    migrate_set_capability(to, "switchover-ack", true);
+
+    return NULL;
+}
+
+static void test_precopy_tcp_switchover_ack(void)
+{
+    MigrateCommon args = {
+        .listen_uri = "tcp:127.0.0.1:0",
+        .start_hook = test_migrate_switchover_ack_start,
+    };
+
+    test_precopy_common(&args);
+}
+
 #ifdef CONFIG_GNUTLS
 static void test_precopy_tcp_tls_psk_match(void)
 {
@@ -2695,6 +2717,10 @@ int main(int argc, char **argv)
 #endif /* CONFIG_GNUTLS */
 
     qtest_add_func("/migration/precopy/tcp/plain", test_precopy_tcp_plain);
+
+    qtest_add_func("/migration/precopy/tcp/plain/switchover-ack",
+                   test_precopy_tcp_switchover_ack);
+
 #ifdef CONFIG_GNUTLS
     qtest_add_func("/migration/precopy/tcp/tls/psk/match",
                    test_precopy_tcp_tls_psk_match);
-- 
2.26.3