The following should work: (qemu) drive_add if=none,id=drive0 (qemu) drive_del drive0 (qemu) drive_add if=none,id=drive0 Previous versions of QEMU produced a duplicate ID error because drive_add leaked the options. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
		
			
				
	
	
		
			60 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * blockdev.c test cases
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 *
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 * Copyright (C) 2013 Red Hat Inc.
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 *
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 * Authors:
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 *  Stefan Hajnoczi <stefanha@redhat.com>
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 *
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 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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 * See the COPYING.LIB file in the top-level directory.
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 */
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#include <glib.h>
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#include <string.h>
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#include "libqtest.h"
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static void test_drive_add_empty(void)
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{
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    QDict *response;
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    const char *response_return;
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    /* Start with an empty drive */
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    qtest_start("-drive if=none,id=drive0");
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    /* Delete the drive */
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    response = qmp("{\"execute\": \"human-monitor-command\","
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                   " \"arguments\": {"
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                   "   \"command-line\": \"drive_del drive0\""
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                   "}}");
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    g_assert(response);
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    response_return = qdict_get_try_str(response, "return");
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    g_assert(response_return);
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    g_assert(strcmp(response_return, "") == 0);
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    QDECREF(response);
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    /* Ensure re-adding the drive works - there should be no duplicate ID error
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     * because the old drive must be gone.
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     */
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    response = qmp("{\"execute\": \"human-monitor-command\","
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                   " \"arguments\": {"
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                   "   \"command-line\": \"drive_add 0 if=none,id=drive0\""
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                   "}}");
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    g_assert(response);
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    response_return = qdict_get_try_str(response, "return");
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    g_assert(response_return);
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    g_assert(strcmp(response_return, "OK\r\n") == 0);
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    QDECREF(response);
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    qtest_end();
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}
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int main(int argc, char **argv)
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{
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    g_test_init(&argc, &argv, NULL);
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    qtest_add_func("/qmp/drive_add_empty", test_drive_add_empty);
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    return g_test_run();
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}
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