dlls/kernel/tests/virtual.c

   1 /*
   2  * Unit test suite for Virtual* family of APIs.
   3  *
   4  * Copyright 2004 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winerror.h"
  26 #include "wine/test.h"
  27
  28 static void test_VirtualAlloc(void)
  29 {
  30     void *addr1, *addr2;
  31     DWORD old_prot;
  32     MEMORY_BASIC_INFORMATION info;
  33
  34     SetLastError(0xdeadbeef);
  35     addr1 = VirtualAlloc(0, 0, MEM_RESERVE, PAGE_NOACCESS);
  36     ok(addr1 == NULL, "VirtualAlloc should fail on zero-sized allocation\n");
  37     ok(GetLastError() == ERROR_INVALID_PARAMETER /* NT */ ||
  38        GetLastError() == ERROR_NOT_ENOUGH_MEMORY, /* Win9x */
  39         "got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());
  40
  41     addr1 = VirtualAlloc(0, 0xFFFC, MEM_RESERVE, PAGE_NOACCESS);
  42     ok(addr1 != NULL, "VirtualAlloc failed\n");
  43
  44     /* test a not committed memory */
  45     ok(VirtualQuery(addr1, &info, sizeof(info)) == sizeof(info),
  46         "VirtualQuery failed\n");
  47     ok(info.BaseAddress == addr1, "%p != %p\n", info.BaseAddress, addr1);
  48     ok(info.AllocationBase == addr1, "%p != %p\n", info.AllocationBase, addr1);
  49     ok(info.AllocationProtect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.AllocationProtect);
  50     ok(info.RegionSize == 0x10000, "%lx != 0x10000\n", info.RegionSize);
  51     ok(info.State == MEM_RESERVE, "%lx != MEM_RESERVE\n", info.State);
  52     /* NT reports Protect == 0 for a not committed memory block */
  53     ok(info.Protect == 0 /* NT */ ||
  54        info.Protect == PAGE_NOACCESS, /* Win9x */
  55         "%lx != PAGE_NOACCESS\n", info.Protect);
  56     ok(info.Type == MEM_PRIVATE, "%lx != MEM_PRIVATE\n", info.Type);
  57
  58     SetLastError(0xdeadbeef);
  59     ok(!VirtualProtect(addr1, 0xFFFC, PAGE_READONLY, &old_prot),
  60        "VirtualProtect should fail on a not committed memory\n");
  61     ok(GetLastError() == ERROR_INVALID_ADDRESS /* NT */ ||
  62        GetLastError() == ERROR_INVALID_PARAMETER, /* Win9x */
  63         "got %ld, expected ERROR_INVALID_ADDRESS\n", GetLastError());
  64
  65     addr2 = VirtualAlloc(addr1, 0x1000, MEM_COMMIT, PAGE_NOACCESS);
  66     ok(addr1 == addr2, "VirtualAlloc failed\n");
  67
  68     /* test a committed memory */
  69     ok(VirtualQuery(addr1, &info, sizeof(info)) == sizeof(info),
  70         "VirtualQuery failed\n");
  71     ok(info.BaseAddress == addr1, "%p != %p\n", info.BaseAddress, addr1);
  72     ok(info.AllocationBase == addr1, "%p != %p\n", info.AllocationBase, addr1);
  73     ok(info.AllocationProtect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.AllocationProtect);
  74     ok(info.RegionSize == 0x1000, "%lx != 0x1000\n", info.RegionSize);
  75     ok(info.State == MEM_COMMIT, "%lx != MEM_COMMIT\n", info.State);
  76     /* this time NT reports PAGE_NOACCESS as well */
  77     ok(info.Protect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.Protect);
  78     ok(info.Type == MEM_PRIVATE, "%lx != MEM_PRIVATE\n", info.Type);
  79
  80     /* this should fail, since not the whole range is committed yet */
  81     SetLastError(0xdeadbeef);
  82     ok(!VirtualProtect(addr1, 0xFFFC, PAGE_READONLY, &old_prot),
  83         "VirtualProtect should fail on a not committed memory\n");
  84     ok(GetLastError() == ERROR_INVALID_ADDRESS /* NT */ ||
  85        GetLastError() == ERROR_INVALID_PARAMETER, /* Win9x */
  86         "got %ld, expected ERROR_INVALID_ADDRESS\n", GetLastError());
  87
  88     ok(VirtualProtect(addr1, 0x1000, PAGE_READONLY, &old_prot), "VirtualProtect failed\n");
  89     ok(old_prot == PAGE_NOACCESS,
  90         "wrong old protection: got %04lx instead of PAGE_NOACCESS\n", old_prot);
  91
  92     ok(VirtualProtect(addr1, 0x1000, PAGE_READWRITE, &old_prot), "VirtualProtect failed\n");
  93     ok(old_prot == PAGE_READONLY,
  94         "wrong old protection: got %04lx instead of PAGE_READONLY\n", old_prot);
  95
  96     ok(!VirtualFree(addr1, 0x10000, 0), "VirtualFree should fail with type 0\n");
  97     ok(GetLastError() == ERROR_INVALID_PARAMETER,
  98         "got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());
  99
 100     ok(VirtualFree(addr1, 0x10000, MEM_DECOMMIT), "VirtualFree failed\n");
 101
 102     /* if the type is MEM_RELEASE, size must be 0 */
 103     ok(!VirtualFree(addr1, 1, MEM_RELEASE), "VirtualFree should fail\n");
 104     ok(GetLastError() == ERROR_INVALID_PARAMETER,
 105         "got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());
 106
 107     ok(VirtualFree(addr1, 0, MEM_RELEASE), "VirtualFree failed\n");
 108 }
 109
 110 static void test_MapViewOfFile(void)
 111 {
 112     static const char testfile[] = "testfile.xxx";
 113     HANDLE file, mapping;
 114     void *ptr;
 115
 116     file = CreateFileA( testfile, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0 );
 117     ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );
 118     SetFilePointer( file, 4096, NULL, FILE_BEGIN );
 119     SetEndOfFile( file );
 120
 121     /* read/write mapping */
 122
 123     mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
 124     ok( mapping != 0, "CreateFileMapping failed\n" );
 125
 126     ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
 127     ok( ptr != NULL, "MapViewOfFile FILE_MAPE_READ failed\n" );
 128     UnmapViewOfFile( ptr );
 129
 130     /* this fails on win9x but succeeds on NT */
 131     ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
 132     if (ptr) UnmapViewOfFile( ptr );
 133     else ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );
 134
 135     ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
 136     ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
 137     UnmapViewOfFile( ptr );
 138
 139     ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
 140     ok( ptr != NULL, "MapViewOfFile FILE_MAP_WRITE failed\n" );
 141     UnmapViewOfFile( ptr );
 142     CloseHandle( mapping );
 143
 144     /* read-only mapping */
 145
 146     mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
 147     ok( mapping != 0, "CreateFileMapping failed\n" );
 148
 149     ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
 150     ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
 151     UnmapViewOfFile( ptr );
 152
 153     /* this fails on win9x but succeeds on NT */
 154     ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
 155     if (ptr) UnmapViewOfFile( ptr );
 156     else ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );
 157
 158     ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
 159     ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
 160     UnmapViewOfFile( ptr );
 161
 162     ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
 163     ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
 164     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
 165         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
 166     CloseHandle( mapping );
 167
 168     /* copy-on-write mapping */
 169
 170     mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
 171     ok( mapping != 0, "CreateFileMapping failed\n" );
 172
 173     ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
 174     ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
 175     UnmapViewOfFile( ptr );
 176
 177     ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
 178     ok( ptr != NULL, "MapViewOfFile FILE_MAP_COPY failed\n" );
 179     UnmapViewOfFile( ptr );
 180
 181     ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
 182     ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
 183     UnmapViewOfFile( ptr );
 184
 185     ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
 186     ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
 187     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
 188         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
 189     CloseHandle( mapping );
 190
 191     /* no access mapping */
 192
 193     mapping = CreateFileMappingA( file, NULL, PAGE_NOACCESS, 0, 4096, NULL );
 194     /* fails on NT but succeeds on win9x */
 195     if (!mapping) ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );
 196     else
 197     {
 198         ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
 199         ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
 200         UnmapViewOfFile( ptr );
 201
 202         ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
 203         ok( !ptr, "MapViewOfFile FILE_MAP_COPY succeeded\n" );
 204         ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );
 205
 206         ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
 207         ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
 208         UnmapViewOfFile( ptr );
 209
 210         ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
 211         ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
 212         ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );
 213
 214         CloseHandle( mapping );
 215     }
 216
 217     CloseHandle( file );
 218
 219     /* now try read-only file */
 220
 221     file = CreateFileA( testfile, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, 0 );
 222     ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );
 223
 224     mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
 225     ok( !mapping, "CreateFileMapping PAGE_READWRITE succeeded\n" );
 226     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
 227         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
 228
 229     mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
 230     ok( mapping != 0, "CreateFileMapping PAGE_WRITECOPY failed\n" );
 231     CloseHandle( mapping );
 232
 233     mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
 234     ok( mapping != 0, "CreateFileMapping PAGE_READONLY failed\n" );
 235     CloseHandle( mapping );
 236     CloseHandle( file );
 237
 238     /* now try no access file */
 239
 240     file = CreateFileA( testfile, 0, 0, NULL, OPEN_EXISTING, 0, 0 );
 241     ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );
 242
 243     mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
 244     ok( !mapping, "CreateFileMapping PAGE_READWRITE succeeded\n" );
 245     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
 246         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
 247
 248     mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
 249     ok( !mapping, "CreateFileMapping PAGE_WRITECOPY succeeded\n" );
 250     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
 251         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
 252
 253     mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
 254     ok( !mapping, "CreateFileMapping PAGE_READONLY succeeded\n" );
 255     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
 256         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
 257
 258     CloseHandle( file );
 259
 260     CloseHandle( file );
 261     DeleteFileA( testfile );
 262 }
 263
 264 START_TEST(virtual)
 265 {
 266     test_VirtualAlloc();
 267     test_MapViewOfFile();
 268 }