1 /*
2 * Unit tests for code page to/from unicode translations
3 *
4 * Copyright (c) 2002 Dmitry Timoshkov
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <stdarg.h>
22 #include <limits.h>
23
24 #include "wine/test.h"
25 #include "windef.h"
26 #include "winbase.h"
27 #include "winnls.h"
28
29 static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
30
31 static void test_destination_buffer(void)
32 {
33 LPSTR buffer;
34 INT maxsize;
35 INT needed;
36 INT len;
37
38 SetLastError(0xdeadbeef);
39 needed = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, NULL, 0, NULL, NULL);
40 ok( (needed > 0), "returned %d with %u (expected '> 0')\n",
41 needed, GetLastError());
42
43 maxsize = needed*2;
44 buffer = HeapAlloc(GetProcessHeap(), 0, maxsize);
45 if (buffer == NULL) return;
46
47 maxsize--;
48 memset(buffer, 'x', maxsize);
49 buffer[maxsize] = '\0';
50 SetLastError(0xdeadbeef);
51 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed+1, NULL, NULL);
52 ok( (len > 0), "returned %d with %u and '%s' (expected '> 0')\n",
53 len, GetLastError(), buffer);
54
55 memset(buffer, 'x', maxsize);
56 buffer[maxsize] = '\0';
57 SetLastError(0xdeadbeef);
58 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed, NULL, NULL);
59 ok( (len > 0), "returned %d with %u and '%s' (expected '> 0')\n",
60 len, GetLastError(), buffer);
61
62 memset(buffer, 'x', maxsize);
63 buffer[maxsize] = '\0';
64 SetLastError(0xdeadbeef);
65 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed-1, NULL, NULL);
66 ok( !len && (GetLastError() == ERROR_INSUFFICIENT_BUFFER),
67 "returned %d with %u and '%s' (expected '' with "
68 "ERROR_INSUFFICIENT_BUFFER)\n", len, GetLastError(), buffer);
69
70 memset(buffer, 'x', maxsize);
71 buffer[maxsize] = '\0';
72 SetLastError(0xdeadbeef);
73 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, 1, NULL, NULL);
74 ok( !len && (GetLastError() == ERROR_INSUFFICIENT_BUFFER),
75 "returned %d with %u and '%s' (expected '' with "
76 "ERROR_INSUFFICIENT_BUFFER)\n", len, GetLastError(), buffer);
77
78 SetLastError(0xdeadbeef);
79 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, 0, NULL, NULL);
80 ok( (len > 0), "returned %d with %u (expected '> 0')\n",
81 len, GetLastError());
82
83 SetLastError(0xdeadbeef);
84 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, NULL, needed, NULL, NULL);
85 ok( !len && (GetLastError() == ERROR_INVALID_PARAMETER),
86 "returned %d with %u (expected '' with "
87 "ERROR_INVALID_PARAMETER)\n", len, GetLastError());
88
89 HeapFree(GetProcessHeap(), 0, buffer);
90 }
91
92
93 static void test_null_source(void)
94 {
95 int len;
96 DWORD GLE;
97
98 SetLastError(0);
99 len = WideCharToMultiByte(CP_ACP, 0, NULL, 0, NULL, 0, NULL, NULL);
100 GLE = GetLastError();
101 ok(!len && GLE == ERROR_INVALID_PARAMETER,
102 "WideCharToMultiByte returned %d with GLE=%u (expected 0 with ERROR_INVALID_PARAMETER)\n",
103 len, GLE);
104
105 SetLastError(0);
106 len = WideCharToMultiByte(CP_ACP, 0, NULL, -1, NULL, 0, NULL, NULL);
107 GLE = GetLastError();
108 ok(!len && GLE == ERROR_INVALID_PARAMETER,
109 "WideCharToMultiByte returned %d with GLE=%u (expected 0 with ERROR_INVALID_PARAMETER)\n",
110 len, GLE);
111 }
112
113 /* lstrcmpW is not supported on Win9x! */
114 static int mylstrcmpW(const WCHAR* str1, const WCHAR* str2)
115 {
116 while (*str1 && *str1==*str2) {
117 str1++;
118 str2++;
119 }
120 return *str1-*str2;
121 }
122
123 static void test_negative_source_length(void)
124 {
125 int len;
126 char buf[10];
127 WCHAR bufW[10];
128
129 /* Test, whether any negative source length works as strlen() + 1 */
130 SetLastError( 0xdeadbeef );
131 memset(buf,'x',sizeof(buf));
132 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -2002, buf, 10, NULL, NULL);
133 ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
134 "WideCharToMultiByte(-2002): len=%d error=%u\n", len, GetLastError());
135
136 SetLastError( 0xdeadbeef );
137 memset(bufW,'x',sizeof(bufW));
138 len = MultiByteToWideChar(CP_ACP, 0, "foobar", -2002, bufW, 10);
139 ok(len == 7 && !mylstrcmpW(bufW, foobarW) && GetLastError() == 0xdeadbeef,
140 "MultiByteToWideChar(-2002): len=%d error=%u\n", len, GetLastError());
141
142 SetLastError(0xdeadbeef);
143 memset(bufW, 'x', sizeof(bufW));
144 len = MultiByteToWideChar(CP_ACP, 0, "foobar", -1, bufW, 6);
145 ok(len == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER,
146 "MultiByteToWideChar(-1): len=%d error=%u\n", len, GetLastError());
147 }
148
149 #define LONGBUFLEN 100000
150 static void test_negative_dest_length(void)
151 {
152 int len, i;
153 static char buf[LONGBUFLEN];
154 static WCHAR originalW[LONGBUFLEN];
155 static char originalA[LONGBUFLEN];
156 DWORD theError;
157
158 /* Test return on -1 dest length */
159 SetLastError( 0xdeadbeef );
160 memset(buf,'x',sizeof(buf));
161 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1, NULL, NULL);
162 todo_wine {
163 ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
164 "WideCharToMultiByte(destlen -1): len=%d error=%x\n", len, GetLastError());
165 }
166
167 /* Test return on -1000 dest length */
168 SetLastError( 0xdeadbeef );
169 memset(buf,'x',sizeof(buf));
170 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1000, NULL, NULL);
171 todo_wine {
172 ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
173 "WideCharToMultiByte(destlen -1000): len=%d error=%x\n", len, GetLastError());
174 }
175
176 /* Test return on INT_MAX dest length */
177 SetLastError( 0xdeadbeef );
178 memset(buf,'x',sizeof(buf));
179 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, INT_MAX, NULL, NULL);
180 ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
181 "WideCharToMultiByte(destlen INT_MAX): len=%d error=%x\n", len, GetLastError());
182
183 /* Test return on INT_MAX dest length and very long input */
184 SetLastError( 0xdeadbeef );
185 memset(buf,'x',sizeof(buf));
186 for (i=0; i < LONGBUFLEN - 1; i++) {
187 originalW[i] = 'Q';
188 originalA[i] = 'Q';
189 }
190 originalW[LONGBUFLEN-1] = 0;
191 originalA[LONGBUFLEN-1] = 0;
192 len = WideCharToMultiByte(CP_ACP, 0, originalW, -1, buf, INT_MAX, NULL, NULL);
193 theError = GetLastError();
194 ok(len == LONGBUFLEN && !lstrcmpA(buf, originalA) && theError == 0xdeadbeef,
195 "WideCharToMultiByte(srclen %d, destlen INT_MAX): len %d error=%x\n", LONGBUFLEN, len, theError);
196
197 }
198
199 static void test_overlapped_buffers(void)
200 {
201 static const WCHAR strW[] = {'j','u','s','t',' ','a',' ','t','e','s','t',0};
202 static const char strA[] = "just a test";
203 char buf[256];
204 int ret;
205
206 memcpy((WCHAR *)(buf + 1), strW, sizeof(strW));
207 ret = WideCharToMultiByte(CP_ACP, 0, (WCHAR *)(buf + 1), -1, buf, sizeof(buf), NULL, NULL);
208 ok(ret == sizeof(strA), "unexpected ret %d\n", ret);
209 ok(!memcmp(buf, strA, sizeof(strA)), "conversion failed: %s\n", buf);
210 }
211
212 START_TEST(codepage)
213 {
214 test_destination_buffer();
215 test_null_source();
216 test_negative_source_length();
217 test_negative_dest_length();
218 test_overlapped_buffers();
219 }
220
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