74 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			1.7 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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#include "qapi/qmp/qobject.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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 * 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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static void qnull_ref_test(void)
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{
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    QObject *obj;
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    g_assert(qnull_.refcnt == 1);
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    obj = qnull();
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    g_assert(obj);
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    g_assert(obj == &qnull_);
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    g_assert(qnull_.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_.refcnt == 1);
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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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    /*
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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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    g_assert(qnull_.refcnt == 1);
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    obj = qnull();
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    v = qobject_input_visitor_new(obj, true);
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    qobject_decref(obj);
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    visit_type_null(v, NULL, &error_abort);
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    visit_free(v);
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    v = qobject_output_visitor_new(&obj);
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    visit_type_null(v, NULL, &error_abort);
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    visit_complete(v, &obj);
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    g_assert(obj == &qnull_);
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    qobject_decref(obj);
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    visit_free(v);
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    g_assert(qnull_.refcnt == 1);
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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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    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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    return g_test_run();
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}
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