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
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=====================================================================
**
** Source: WriteFile.c (test 3)
**
** Purpose: Tests the PAL implementation of the WriteFile function.
** Performs multiple writes to a file and verifies the results.
**
**
**===================================================================*/
#include <palsuite.h>
const char* szStringTest = "The quick fox jumped over the lazy dog's back.\0";
const char* szWritableFile = "writeable.txt";
BOOL validateResults(const char* szString)
{
FILE *pFile = NULL;
char szReadString[100];
DWORD dwBytesRead;
DWORD dwStringLength = strlen(szString);
memset(szReadString, 0, 100);
/* open the file */
pFile = fopen(szWritableFile, "r");
if (pFile == NULL)
{
Trace("couldn't open test file\n");
return FALSE;
}
dwBytesRead = fread(szReadString, sizeof(char), dwStringLength, pFile);
fclose(pFile);
if(dwBytesRead != dwStringLength)
{
Trace("dwbyteread != string length\n");
return FALSE;
}
if (strcmp(szReadString, szString))
{
Trace("read = %s string = %s", szReadString, szString);
return FALSE;
}
return TRUE;
}
BOOL writeTest(const char* szString)
{
HANDLE hFile = NULL;
DWORD dwBytesWritten;
BOOL bRc = FALSE;
BOOL bAllPassed = TRUE;
int nStringLength = 0;
char* szPtr = NULL;
int i = 0;
// create the test file
hFile = CreateFile(szWritableFile,
GENERIC_WRITE,
FILE_SHARE_WRITE,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
Trace("WriteFile: ERROR -> Unable to create file \"%s\".\n",
szWritableFile);
return FALSE;
}
nStringLength = strlen(szString);
szPtr = (char*) szString;
for (i = 0; i < nStringLength; i++)
{
bRc = WriteFile(hFile, szPtr++, 1, &dwBytesWritten, NULL);
if ((bRc == FALSE) || (dwBytesWritten != 1))
{
bAllPassed = FALSE;
}
}
CloseHandle(hFile);
if (bAllPassed == FALSE)
{
Trace ("WriteFile: ERROR: Failed to write data.\n");
return FALSE;
}
else
{
return (validateResults(szString));
}
return TRUE;
}
int __cdecl main(int argc, char *argv[])
{
const char *pString = szStringTest;
BOOL bRc = FALSE;
if (0 != PAL_Initialize(argc,argv))
{
return FAIL;
}
bRc = writeTest(pString);
if (bRc != TRUE)
{
Fail("WriteFile: ERROR -> Failed\n");
}
PAL_Terminate();
return PASS;
}
|
