qemuagenttest: Test timeout of agent commands

If VIR_TEST_EXPENSIVE is enabled, test timeout of agent commands. This
test takes 6 seconds to finish.

tests/qemuagenttest.c

@@ -518,6 +518,65 @@ cleanup:
 }
 
 
+static int
+qemuAgentTimeoutTestMonitorHandler(qemuMonitorTestPtr test ATTRIBUTE_UNUSED,
+                                   qemuMonitorTestItemPtr item ATTRIBUTE_UNUSED,
+                                   const char *cmdstr ATTRIBUTE_UNUSED)
+{
+    return 0;
+}
+
+
+static int
+testQemuAgentTimeout(const void *data)
+{
+    virDomainXMLOptionPtr xmlopt = (virDomainXMLOptionPtr)data;
+    qemuMonitorTestPtr test = qemuMonitorTestNewAgent(xmlopt);
+    char *reply = NULL;
+    int ret = -1;
+
+    if (!test)
+        return -1;
+
+    if (virTestGetExpensive() == 0)
+        return EXIT_AM_SKIP;
+
+    if (qemuMonitorTestAddHandler(test, qemuAgentTimeoutTestMonitorHandler,
+                                  NULL, NULL) < 0)
+        goto cleanup;
+
+    if (qemuAgentFSFreeze(qemuMonitorTestGetAgent(test)) != -1) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       "agent command should have failed");
+        goto cleanup;
+    }
+
+    /* test timeout */
+    if (qemuMonitorTestAddAgentSyncResponse(test) < 0)
+        goto cleanup;
+
+    if (qemuMonitorTestAddHandler(test, qemuAgentTimeoutTestMonitorHandler,
+                                  NULL, NULL) < 0)
+        goto cleanup;
+
+    if (qemuAgentArbitraryCommand(qemuMonitorTestGetAgent(test),
+                                  "{\"execute\":\"ble\"}",
+                                  &reply,
+                                  1) != -2) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       "agent command didn't time out");
+        goto cleanup;
+    }
+
+    ret = 0;
+
+cleanup:
+    VIR_FREE(reply);
+    qemuMonitorTestFree(test);
+    return ret;
+}
+
+
 static int
 mymain(void)
 {
@@ -546,6 +605,7 @@ mymain(void)
     DO_TEST(Shutdown);
     DO_TEST(CPU);
     DO_TEST(ArbitraryCommand);
+    DO_TEST(Timeout);
 
     virObjectUnref(xmlopt);