1 /*
2  * Unit test suite for interlocked functions.
3  *
4  * Copyright 2006 Herv� Poussineau
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 
21 #include "precomp.h"
22 
23 static void test_InterlockedCompareExchange(void)
24 {
25     LONG dest, res;
26 
27     dest = 0;
28     res = InterlockedCompareExchange( &dest, 1, 0 );
29     ok( res == 0 && dest == 1,
30         "Expected 0 and 1, got %ld and %ld", res, dest );
31 
32     dest = 1;
33     res = InterlockedCompareExchange( &dest, 2, 0 );
34     ok( res == 1 && dest == 1,
35         "Expected 1 and 1, got %ld and %ld", res, dest );
36 }
37 
38 static void test_InterlockedDecrement(void)
39 {
40     LONG dest, res;
41 
42     dest = 1;
43     res = InterlockedDecrement( &dest );
44     ok( res == 0 && dest == 0,
45         "Expected 0 and 0, got %ld and %ld", res, dest );
46 
47     dest = 0;
48     res = InterlockedDecrement( &dest );
49     ok( res == -1 && dest == -1,
50         "Expected -1 and -1, got %ld and %ld", res, dest );
51 
52     dest = -1;
53     res = InterlockedDecrement( &dest );
54     ok( res == -2 && dest == -2,
55         "Expected -2 and -2, got %ld and %ld", res, dest );
56 }
57 
58 static void test_InterlockedExchange(void)
59 {
60     LONG dest, res;
61 
62     dest = 0;
63     res = InterlockedExchange( &dest, 1 );
64     ok( res == 0 && dest == 1,
65         "Expected 0 and 1, got %ld and %ld", res, dest );
66 
67     dest = 1;
68     res = InterlockedExchange( &dest, 2 );
69     ok( res == 1 && dest == 2,
70         "Expected 1 and 2, got %ld and %ld", res, dest );
71 
72     dest = 1;
73     res = InterlockedExchange( &dest, -1 );
74     ok( res == 1 && dest == -1,
75         "Expected 1 and -1, got %ld and %ld", res, dest );
76 }
77 
78 static void test_InterlockedExchangeAdd(void)
79 {
80     LONG dest, res;
81 
82     dest = 0;
83     res = InterlockedExchangeAdd( &dest, 1 );
84     ok( res == 0 && dest == 1,
85         "Expected 0 and 1, got %ld and %ld", res, dest );
86 
87     dest = 1;
88     res = InterlockedExchangeAdd( &dest, 2 );
89     ok( res == 1 && dest == 3,
90         "Expected 1 and 3, got %ld and %ld", res, dest );
91 
92     dest = 1;
93     res = InterlockedExchangeAdd( &dest, -1 );
94     ok( res == 1 && dest == 0,
95         "Expected 1 and 0, got %ld and %ld", res, dest );
96 }
97 
98 static void test_InterlockedIncrement(void)
99 {
100     LONG dest, res;
101 
102     dest = -2;
103     res = InterlockedIncrement( &dest );
104     ok( res == -1 && dest == -1,
105         "Expected -1 and -1, got %ld and %ld", res, dest );
106 
107     dest = -1;
108     res = InterlockedIncrement( &dest );
109     ok( res == 0 && dest == 0,
110         "Expected 0 and 0, got %ld and %ld", res, dest );
111 
112     dest = 0;
113     res = InterlockedIncrement( &dest );
114     ok( res == 1 && dest == 1,
115         "Expected 1 and 1, got %ld and %ld", res, dest );
116 }
117 
118 START_TEST(interlck)
119 {
120     test_InterlockedCompareExchange();
121     test_InterlockedDecrement();
122     test_InterlockedExchange();
123     test_InterlockedExchangeAdd();
124     test_InterlockedIncrement();
125 }
126