1 /*
2  * PROJECT:         ReactOS api tests
3  * LICENSE:         GPLv2+ - See COPYING in the top level directory
4  * PURPOSE:         Tests for GetVolumeInformation
5  * PROGRAMMER:      Pierre Schweitzer <pierre@reactos.org>
6  */
7 
8 #include "precomp.h"
9 
10 static VOID
11 TestGetVolumeInformationA(VOID)
12 {
13     BOOL Ret;
14     CHAR Outbuf[MAX_PATH];
15     DWORD i, MCL, Flags, Len;
16 
17     memset(Outbuf, 0xAA, MAX_PATH);
18     Ret = GetVolumeInformationA("C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, MAX_PATH);
19     ok(Ret != FALSE, "GetVolumeInformationA failed: %ld\n", GetLastError());
20     for (i = 0; i < MAX_PATH; ++i)
21     {
22         if (Outbuf[i] == 0)
23         {
24             break;
25         }
26     }
27     ok(i != MAX_PATH, "String was not null terminated!\n");
28 
29     memset(Outbuf, 0xAA, MAX_PATH);
30     Len = i;
31     Ret = GetVolumeInformationA("C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, Len + 1);
32     ok(Ret != FALSE, "GetVolumeInformationA failed: %ld\n", GetLastError());
33     for (i = 0; i < MAX_PATH; ++i)
34     {
35         if (Outbuf[i] == 0)
36         {
37             break;
38         }
39     }
40     ok(i != MAX_PATH, "String was not null terminated!\n");
41     ok(i == Len, "String was truncated\n");
42 
43     memset(Outbuf, 0xAA, MAX_PATH);
44     Len = i;
45     SetLastError(0xdeadbeef);
46     Ret = GetVolumeInformationA("C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, Len);
47     ok(Ret != TRUE, "GetVolumeInformationA succeed\n");
48     ok(GetLastError() == ERROR_BAD_LENGTH, "Expected ERROR_BAD_LENGTH error, got %ld\n", GetLastError());
49     ok(Outbuf[0] != 0xAA, "Output buffer was not written to\n");
50     for (i = 0; i < MAX_PATH; ++i)
51     {
52         if (Outbuf[i] == 0)
53         {
54             break;
55         }
56     }
57     ok(i == MAX_PATH, "String was null terminated!\n");
58     for (i = 0; i < MAX_PATH; ++i)
59     {
60         if (Outbuf[i] != 0xAA)
61         {
62             break;
63         }
64     }
65     ok(i != MAX_PATH, "String was not written to!\n");
66     ok(i < Len, "Buffer has been overruned\n");
67 }
68 
69 static VOID
70 TestGetVolumeInformationW(VOID)
71 {
72     BOOL Ret;
73     WCHAR Outbuf[MAX_PATH];
74     DWORD i, MCL, Flags, Len;
75 
76     memset(Outbuf, 0xAA, sizeof(Outbuf));
77     Ret = GetVolumeInformationW(L"C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, MAX_PATH);
78     ok(Ret != FALSE, "GetVolumeInformationW failed: %ld\n", GetLastError());
79     for (i = 0; i < MAX_PATH; ++i)
80     {
81         if (Outbuf[i] == 0)
82         {
83             break;
84         }
85     }
86     ok(i != MAX_PATH, "String was not null terminated!\n");
87 
88     memset(Outbuf, 0xAA, sizeof(Outbuf));
89     Len = i;
90     Ret = GetVolumeInformationW(L"C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, Len + 1);
91     ok(Ret != FALSE, "GetVolumeInformationW failed: %ld\n", GetLastError());
92     for (i = 0; i < MAX_PATH; ++i)
93     {
94         if (Outbuf[i] == 0)
95         {
96             break;
97         }
98     }
99     ok(i != MAX_PATH, "String was not null terminated!\n");
100     ok(i == Len, "String was truncated\n");
101 
102     memset(Outbuf, 0xAA, sizeof(Outbuf));
103     Len = i;
104     SetLastError(0xdeadbeef);
105     Ret = GetVolumeInformationW(L"C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, Len);
106     ok(Ret != TRUE, "GetVolumeInformationW succeed\n");
107     ok(GetLastError() == ERROR_BAD_LENGTH, "Expected ERROR_BAD_LENGTH error, got %ld\n", GetLastError());
108     ok(Outbuf[0] != 0xAA, "Output buffer was not written to\n");
109     for (i = 0; i < MAX_PATH; ++i)
110     {
111         if (Outbuf[i] == 0)
112         {
113             break;
114         }
115     }
116     ok(i == MAX_PATH, "String was null terminated!\n");
117     ok(i >= Len, "Buffer has not been overrun\n");
118 }
119 
120 START_TEST(GetVolumeInformation)
121 {
122     TestGetVolumeInformationW();
123     TestGetVolumeInformationA();
124 }
125