79 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * QNull unit-tests.
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|  *
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|  * Copyright (C) 2016 Red Hat Inc.
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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 "qemu/osdep.h"
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| 
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| #include "qapi/qmp/qnull.h"
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| #include "qemu-common.h"
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| #include "qapi/qobject-input-visitor.h"
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| #include "qapi/qobject-output-visitor.h"
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| #include "qapi/error.h"
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| 
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| /*
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|  * Public Interface test-cases
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|  *
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|  * (with some violations to access 'private' data)
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|  */
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| 
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| static void qnull_ref_test(void)
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| {
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|     QObject *obj;
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| 
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|     g_assert(qnull_.base.refcnt == 1);
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|     obj = QOBJECT(qnull());
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|     g_assert(obj);
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|     g_assert(obj == QOBJECT(&qnull_));
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|     g_assert(qnull_.base.refcnt == 2);
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|     g_assert(qobject_type(obj) == QTYPE_QNULL);
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|     qobject_decref(obj);
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|     g_assert(qnull_.base.refcnt == 1);
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| }
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| 
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| static void qnull_visit_test(void)
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| {
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|     QObject *obj;
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|     Visitor *v;
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|     QNull *null;
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| 
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|     /*
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|      * Most tests of interactions between QObject and visitors are in
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|      * test-qmp-*-visitor; but these tests live here because they
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|      * depend on layering violations to check qnull_ refcnt.
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|      */
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| 
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|     g_assert(qnull_.base.refcnt == 1);
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|     obj = QOBJECT(qnull());
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|     v = qobject_input_visitor_new(obj);
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|     qobject_decref(obj);
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|     visit_type_null(v, NULL, &null, &error_abort);
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|     g_assert(obj == QOBJECT(&qnull_));
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|     QDECREF(null);
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|     visit_free(v);
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| 
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|     null = NULL;
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|     v = qobject_output_visitor_new(&obj);
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|     visit_type_null(v, NULL, &null, &error_abort);
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|     visit_complete(v, &obj);
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|     g_assert(obj == QOBJECT(&qnull_));
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|     QDECREF(null);
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|     qobject_decref(obj);
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|     visit_free(v);
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| 
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|     g_assert(qnull_.base.refcnt == 1);
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| }
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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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| 
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|     g_test_add_func("/public/qnull_ref", qnull_ref_test);
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|     g_test_add_func("/public/qnull_visit", qnull_visit_test);
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| 
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|     return g_test_run();
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| }
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