1    /*
2     * Some or all of this work - Copyright (c) 2006 - 2021, Intel Corp.
3     * All rights reserved.
4     *
5     * Redistribution and use in source and binary forms, with or without modification,
6     * are permitted provided that the following conditions are met:
7     *
8     * Redistributions of source code must retain the above copyright notice,
9     * this list of conditions and the following disclaimer.
10     * Redistributions in binary form must reproduce the above copyright notice,
11     * this list of conditions and the following disclaimer in the documentation
12     * and/or other materials provided with the distribution.
13     * Neither the name of Intel Corporation nor the names of its contributors
14     * may be used to endorse or promote products derived from this software
15     * without specific prior written permission.
16     *
17     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25     * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26     * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27     */
28    /*
29     * Bug 0087:
30     *
31     * SUMMARY: Exception on Switch operator applied to the result of ToBuffer operator
32     */
33    Method (ME3C, 0, Serialized)
34    {
35        Name (B000, Buffer (0x01)
36        {
37             0x0A                                             // .
38        })
39        Name (S000, "qwrtyuiop")
40        If (0x01)
41        {
42            /* This code shows that ToBuffer() works correctly */
43
44            Debug = "======================: ToBuffer(Buffer)"
45            Local0 = ToBuffer (B000)
46            Debug = Local0
47            Local1 = ObjectType (Local0)
48            Debug = Local1
49            Local2 = SizeOf (Local0)
50            Debug = Local2
51            Debug = "======================: ToBuffer(String)"
52            Local0 = ToBuffer (S000)
53            Debug = Local0
54            Local1 = ObjectType (Local0)
55            Debug = Local1
56            Local2 = SizeOf (Local0)
57            Debug = Local2
58            Debug = "======================."
59        }
60
61        /* This code shows that ToBuffer() causes exceptions in cases #2, #3 */
62        /*		if (0) { */
63        /* Case 1 */
64        Switch (Buffer (0x01)
65                {
66                     0x0A                                             // .
67                })
68            {
69            Case ("N")
70            {
71                Debug = "Case     (A)"
72            }
73            Default
74            {
75                Debug = "Default  (A)"
76            }
77
78        }
79
80        /*		} elseif (1) { */
81        /* Case 2 */
82        Switch (ToBuffer (Buffer (0x01)
83                    {
84                         0x0A                                             // .
85                    }))
86        {
87            Case ("N")
88            {
89                Debug = "Case     (B)"
90            }
91            Default
92            {
93                Debug = "Default  (B)"
94            }
95
96        }
97
98        /*		} else { */
99        /* Case 3 */
100        Switch (ToBuffer (B000))
101        {
102            Case ("N")
103            {
104                Debug = "Case     (C)"
105            }
106            Default
107            {
108                Debug = "Default  (C)"
109            }
110
111        }
112        /*		} */
113    }
114