[SHELL32_APITEST] -Add some tests for SHParseDisplayName for CORE-12882.
[reactos.git] / rostests / apitests / shlwapi / PathUnExpandEnvStrings.c
1 /*
2 * PROJECT: ReactOS api tests
3 * LICENSE: LGPLv2.1+ - See COPYING.LIB in the top level directory
4 * PURPOSE: Tests for PathUnExpandEnvStrings
5 * PROGRAMMERS: Hermes Belusca-Maito
6 */
7
8 #include <apitest.h>
9 #include <shlwapi.h>
10 #include <strsafe.h>
11
12 #define DO_TEST(Res, TestStr, ExpStr) \
13 do { \
14 BOOL ret = PathUnExpandEnvStringsW((TestStr), OutStr, _countof(OutStr)); \
15 ok(ret == (Res), "Tested %s, expected returned value %d, got %d\n", \
16 wine_dbgstr_w((TestStr)), (Res), ret); \
17 if (ret) \
18 ok(_wcsicmp(OutStr, (ExpStr)) == 0, "Tested %s, expected %s, got %s\n", \
19 wine_dbgstr_w((TestStr)), wine_dbgstr_w((ExpStr)), wine_dbgstr_w(OutStr)); \
20 } while (0)
21
22 START_TEST(PathUnExpandEnvStrings)
23 {
24 INT len;
25 DWORD ret;
26 WCHAR TestStr[MAX_PATH];
27 WCHAR ExpStr[MAX_PATH];
28 WCHAR OutStr[MAX_PATH];
29
30 /*
31 * We expect here that the following standard environment variables:
32 * %COMPUTERNAME%, %ProgramFiles%, %SystemRoot% and %SystemDrive%
33 * are correctly defined.
34 */
35
36 /* No unexpansion possible */
37 DO_TEST(FALSE, L"ZZ:\\foobar\\directory", L"");
38
39 /* Contrary to what MSDN says, %COMPUTERNAME% does not seeem to be unexpanded... */
40 ret = GetEnvironmentVariableW(L"COMPUTERNAME", TestStr, _countof(TestStr));
41 ok(ret, "got %lu\n", ret);
42 DO_TEST(FALSE, TestStr, L"%COMPUTERNAME%");
43 #if 0
44 StringCchCopyW(TestStr, _countof(TestStr), L"ZZ:\\foobar\\");
45 len = wcslen(TestStr);
46 ret = GetEnvironmentVariableW(L"COMPUTERNAME", TestStr + len, _countof(TestStr) - len);
47 ok(ret, "got %lu\n", ret);
48 StringCchCatW(TestStr, _countof(TestStr), L"\\directory");
49 DO_TEST(TRUE, TestStr, L"ZZ:\\foobar\\%COMPUTERNAME%\\directory");
50 #endif
51
52 /*
53 * L"%SystemRoot%\\%SystemRoot%" to L"%SystemRoot%\\%SystemRoot%" (no expansion)
54 * Unexpansion fails.
55 * This shows that given a path string, if PathUnExpandEnvStrings fails,
56 * the string could have been already unexpanded...
57 */
58 DO_TEST(FALSE, L"%SystemRoot%\\%SystemRoot%", L"%SystemRoot%\\%SystemRoot%");
59
60 /*
61 * L"<real_SystemRoot><real_SystemRoot>" to L"%SystemRoot%<real_SystemRoot>"
62 * example: L"C:\\WindowsC:\\Windows"
63 * Unexpansion succeeds only on the first path.
64 */
65 ret = GetEnvironmentVariableW(L"SystemRoot", TestStr, _countof(TestStr));
66 ok(ret, "got %lu\n", ret);
67 len = wcslen(TestStr);
68 ret = GetEnvironmentVariableW(L"SystemRoot", TestStr + len, _countof(TestStr) - len);
69 ok(ret, "got %lu\n", ret);
70
71 StringCchCopyW(ExpStr, _countof(ExpStr), L"%SystemRoot%");
72 len = wcslen(ExpStr);
73 ret = GetEnvironmentVariableW(L"SystemRoot", ExpStr + len, _countof(ExpStr) - len);
74 ok(ret, "got %lu\n", ret);
75 DO_TEST(TRUE, TestStr, ExpStr);
76
77 /*
78 * L"%SystemRoot%\\<real_Program_Files>" to L"%SystemRoot%\\%ProgramFiles%"
79 * Unexpansion fails.
80 */
81 StringCchCopyW(TestStr, _countof(TestStr), L"%SystemRoot%\\");
82 len = wcslen(TestStr);
83 ret = GetEnvironmentVariableW(L"ProgramFiles", TestStr + len, _countof(TestStr) - len);
84 ok(ret, "got %lu\n", ret);
85 DO_TEST(FALSE, TestStr, L"%SystemRoot%\\%ProgramFiles%");
86
87 /*
88 * L"<real_SystemRoot>\\%ProgramFiles%" to L"%SystemRoot%\\%ProgramFiles%"
89 * Unexpansion succeeds.
90 */
91 ret = GetEnvironmentVariableW(L"SystemRoot", TestStr, _countof(TestStr));
92 ok(ret, "got %lu\n", ret);
93 StringCchCatW(TestStr, _countof(TestStr), L"\\%ProgramFiles%");
94 DO_TEST(TRUE, TestStr, L"%SystemRoot%\\%ProgramFiles%");
95
96 /*
97 * L"<real_SystemRoot>\\notepad.exe <real_SystemRoot>\\file.txt" to L"%SystemRoot%\\notepad.exe %SystemRoot%\\file.txt"
98 * Unexpansion succeeds only on the first path, therefore the obtained string is not the one naively expected.
99 */
100 ret = GetEnvironmentVariableW(L"SystemRoot", TestStr, _countof(TestStr));
101 ok(ret, "got %lu\n", ret);
102 StringCchCatW(TestStr, _countof(TestStr), L"\\notepad.exe ");
103 len = wcslen(TestStr);
104 ret = GetEnvironmentVariableW(L"SystemRoot", TestStr + len, _countof(TestStr) - len);
105 ok(ret, "got %lu\n", ret);
106 StringCchCatW(TestStr, _countof(TestStr), L"\\file.txt");
107 // DO_TEST(TRUE, TestStr, L"%SystemRoot%\\notepad.exe %SystemRoot%\\file.txt");
108
109 /*
110 * L"<real_SystemRoot>\\notepad.exe <real_SystemRoot>\\file.txt" to L"%SystemRoot%\\notepad.exe <real_SystemRoot>\\file.txt"
111 * Unexpansion succeeds only on the first path.
112 */
113 StringCchCopyW(ExpStr, _countof(ExpStr), L"%SystemRoot%\\notepad.exe ");
114 len = wcslen(ExpStr);
115 ret = GetEnvironmentVariableW(L"SystemRoot", ExpStr + len, _countof(ExpStr) - len);
116 ok(ret, "got %lu\n", ret);
117 StringCchCatW(ExpStr, _countof(ExpStr), L"\\file.txt");
118 DO_TEST(TRUE, TestStr, ExpStr);
119 }