/
marshal2.cs
217 lines (175 loc) · 4.82 KB
/
marshal2.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
//
// Tests for Marshal.StructureToPtr and PtrToStructure
//
using System;
using System.Runtime.InteropServices;
public class Tests {
[StructLayout (LayoutKind.Sequential)]
public class SimpleObj {
public int a;
public int b;
public void test () {}
}
[StructLayout (LayoutKind.Sequential)]
public struct SimpleStruct2 {
public int a;
public int b;
}
[StructLayout (LayoutKind.Sequential, CharSet=CharSet.Ansi)]
public struct SimpleStruct {
public int a;
public bool bool1;
public bool bool2;
public int b;
[MarshalAs (UnmanagedType.ByValArray, SizeConst=2)] public short[] a1;
[MarshalAs (UnmanagedType.ByValTStr, SizeConst=4)] public string s1;
public SimpleStruct2 emb1;
public SimpleObj emb2;
public string s2;
public double x;
[MarshalAs (UnmanagedType.ByValArray, SizeConst=2)] public char[] a2;
}
[StructLayout (LayoutKind.Sequential, CharSet=CharSet.Unicode)]
public struct ByValWStrStruct {
[MarshalAs (UnmanagedType.ByValTStr, SizeConst=4)] public string s1;
public int i;
}
public unsafe static int Main (String[] args) {
if (TestDriver.RunTests (typeof (Tests), args) != 0)
return 34;
return 0;
}
public static int test_0_structure_to_ptr () {
SimpleStruct ss = new SimpleStruct ();
int size = Marshal.SizeOf (typeof (SimpleStruct));
//if (size != 52)
//return 1;
IntPtr p = Marshal.AllocHGlobal (size);
ss.a = 1;
ss.bool1 = true;
ss.bool2 = false;
ss.b = 2;
ss.a1 = new short [2];
ss.a1 [0] = 6;
ss.a1 [1] = 5;
ss.s1 = "abcd";
ss.emb1 = new SimpleStruct2 ();
ss.emb1.a = 3;
ss.emb1.b = 4;
ss.emb2 = new SimpleObj ();
ss.emb2.a = 10;
ss.emb2.b = 11;
ss.s2 = "just a test";
ss.x = 1.5;
ss.a2 = new char [2];
ss.a2 [0] = 'a';
ss.a2 [1] = 'b';
Marshal.StructureToPtr (ss, p, false);
Type t = ss.GetType ();
if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "a")) != 1)
return 1;
if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "bool1")) != 1)
return 2;
if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "bool2")) != 0)
return 3;
if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "b")) != 2)
return 4;
if (Marshal.ReadInt16 (p, 16) != 6)
return 5;
if (Marshal.ReadInt16 (p, 18) != 5)
return 6;
if (Marshal.ReadByte (p, 20) != 97)
return 7;
if (Marshal.ReadByte (p, 21) != 98)
return 8;
if (Marshal.ReadByte (p, 22) != 99)
return 9;
if (Marshal.ReadByte (p, 23) != 0)
return 10;
if (Marshal.ReadInt32 (p, 24) != 3)
return 11;
if (Marshal.ReadInt32 (p, 28) != 4)
return 12;
if (Marshal.ReadInt32 (p, 32) != 10)
return 13;
if (Marshal.ReadInt32 (p, 36) != 11)
return 14;
if (Marshal.ReadByte (p, (int)Marshal.OffsetOf (t, "a2")) != 97)
return 15;
if (Marshal.ReadByte (p, (int)Marshal.OffsetOf (t, "a2") + 1) != 98)
return 16;
SimpleStruct cp = (SimpleStruct)Marshal.PtrToStructure (p, ss.GetType ());
if (cp.a != 1)
return 16;
if (cp.bool1 != true)
return 17;
if (cp.bool2 != false)
return 18;
if (cp.b != 2)
return 19;
if (cp.a1 [0] != 6)
return 20;
if (cp.a1 [1] != 5)
return 21;
if (cp.s1 != "abc")
return 22;
if (cp.emb1.a != 3)
return 23;
if (cp.emb1.b != 4)
return 24;
if (cp.emb2.a != 10)
return 25;
if (cp.emb2.b != 11)
return 26;
if (cp.s2 != "just a test")
return 27;
if (cp.x != 1.5)
return 28;
if (cp.a2 [0] != 'a')
return 29;
if (cp.a2 [1] != 'b')
return 30;
return 0;
}
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Unicode)]
public struct Struct1
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 8)]
public string Field1;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 10)]
public string Field2;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 14)]
public string Field3;
}
public static int test_0_byvaltstr_unicode () {
ByValWStrStruct s = new ByValWStrStruct ();
IntPtr p2 = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (ByValWStrStruct)));
Marshal.StructureToPtr(s, p2, false);
/* Check that the ByValWStr is initialized correctly */
for (int i = 0; i < 8; ++i)
if (Marshal.ReadByte (p2, i) != 0)
return 31;
s.s1 = "ABCD";
s.i = 55;
Marshal.StructureToPtr(s, p2, false);
ByValWStrStruct s2 = (ByValWStrStruct)Marshal.PtrToStructure (p2, typeof (ByValWStrStruct));
/* The fourth char is lost because of null-termination */
if (s2.s1 != "ABC")
return 32;
if (s2.i != 55)
return 33;
return 0;
}
public static int test_0_byvaltstr_max_size () {
string buffer = "12345678123456789012345678901234";
IntPtr ptr = Marshal.StringToBSTR (buffer);
Struct1 data = (Struct1)Marshal.PtrToStructure (ptr, typeof (Struct1));
if (data.Field1 != "12345678")
return 1;
if (data.Field2 != "1234567890")
return 2;
if (data.Field3 != "12345678901234")
return 3;
return 0;
}
}