git.oblomov.eu Git - wine/blob - dlls/kernel32/tests/loader.c

   1 /*
   2  * Unit test suite for the PE loader.
   3  *
   4  * Copyright 2006 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 <assert.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wine/test.h"
  27
  28 #define ALIGN_SIZE(size, alignment) (((size) + (alignment - 1)) & ~((alignment - 1)))
  29
  30 static const struct
  31 {
  32     WORD e_magic;      /* 00: MZ Header signature */
  33     WORD unused[29];
  34     DWORD e_lfanew;    /* 3c: Offset to extended header */
  35 } dos_header =
  36 {
  37     IMAGE_DOS_SIGNATURE, { 0 }, sizeof(dos_header)
  38 };
  39
  40 static IMAGE_NT_HEADERS nt_header =
  41 {
  42     IMAGE_NT_SIGNATURE, /* Signature */
  43 #ifdef __i386__
  44     { IMAGE_FILE_MACHINE_I386, /* Machine */
  45 #else
  46 # error You must specify the machine type
  47 #endif
  48       1, /* NumberOfSections */
  49       0, /* TimeDateStamp */
  50       0, /* PointerToSymbolTable */
  51       0, /* NumberOfSymbols */
  52       sizeof(IMAGE_OPTIONAL_HEADER), /* SizeOfOptionalHeader */
  53       IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL /* Characteristics */
  54     },
  55     { IMAGE_NT_OPTIONAL_HDR_MAGIC, /* Magic */
  56       1, /* MajorLinkerVersion */
  57       0, /* MinorLinkerVersion */
  58       0, /* SizeOfCode */
  59       0, /* SizeOfInitializedData */
  60       0, /* SizeOfUninitializedData */
  61       0, /* AddressOfEntryPoint */
  62       0x10, /* BaseOfCode, also serves as e_lfanew in the truncated MZ header */
  63       0, /* BaseOfData */
  64       0x10000000, /* ImageBase */
  65       0, /* SectionAlignment */
  66       0, /* FileAlignment */
  67       4, /* MajorOperatingSystemVersion */
  68       0, /* MinorOperatingSystemVersion */
  69       1, /* MajorImageVersion */
  70       0, /* MinorImageVersion */
  71       4, /* MajorSubsystemVersion */
  72       0, /* MinorSubsystemVersion */
  73       0, /* Win32VersionValue */
  74       sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000, /* SizeOfImage */
  75       sizeof(dos_header) + sizeof(nt_header), /* SizeOfHeaders */
  76       0, /* CheckSum */
  77       IMAGE_SUBSYSTEM_WINDOWS_CUI, /* Subsystem */
  78       0, /* DllCharacteristics */
  79       0, /* SizeOfStackReserve */
  80       0, /* SizeOfStackCommit */
  81       0, /* SizeOfHeapReserve */
  82       0, /* SizeOfHeapCommit */
  83       0, /* LoaderFlags */
  84       0, /* NumberOfRvaAndSizes */
  85       { { 0 } } /* DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES] */
  86     }
  87 };
  88
  89 static IMAGE_SECTION_HEADER section =
  90 {
  91     ".rodata", /* Name */
  92     { 0x10 }, /* Misc */
  93     0, /* VirtualAddress */
  94     0x0a, /* SizeOfRawData */
  95     0, /* PointerToRawData */
  96     0, /* PointerToRelocations */
  97     0, /* PointerToLinenumbers */
  98     0, /* NumberOfRelocations */
  99     0, /* NumberOfLinenumbers */
 100     IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ, /* Characteristics */
 101 };
 102
 103 START_TEST(loader)
 104 {
 105     static const struct test_data
 106     {
 107         const void *dos_header;
 108         DWORD size_of_dos_header;
 109         WORD number_of_sections, size_of_optional_header;
 110         DWORD section_alignment, file_alignment;
 111         DWORD size_of_image, size_of_headers;
 112         DWORD error; /* 0 means LoadLibrary should succeed */
 113     } td[] =
 114     {
 115         { &dos_header, sizeof(dos_header),
 116           1, 0, 0, 0, 0, 0,
 117           ERROR_BAD_EXE_FORMAT
 118         },
 119         { &dos_header, sizeof(dos_header),
 120           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 121           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0xe00,
 122           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 123           ERROR_BAD_EXE_FORMAT /* XP doesn't like too small image size */
 124         },
 125         { &dos_header, sizeof(dos_header),
 126           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 127           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 128           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 129           ERROR_SUCCESS
 130         },
 131         { &dos_header, sizeof(dos_header),
 132           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 133           0x1f00,
 134           0x1000,
 135           ERROR_SUCCESS
 136         },
 137         { &dos_header, sizeof(dos_header),
 138           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x200,
 139           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 140           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 141           ERROR_SUCCESS
 142         },
 143         { &dos_header, sizeof(dos_header),
 144           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x1000,
 145           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 146           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 147           ERROR_BAD_EXE_FORMAT /* XP doesn't like aligments */
 148         },
 149         { &dos_header, sizeof(dos_header),
 150           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
 151           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 152           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 153           ERROR_SUCCESS
 154         },
 155         { &dos_header, sizeof(dos_header),
 156           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
 157           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 158           0x200,
 159           ERROR_SUCCESS
 160         },
 161         /* Mandatory are all fields up to SizeOfHeaders, everything else
 162          * is really optional (at least that's true for XP).
 163          */
 164         { &dos_header, sizeof(dos_header),
 165           1, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 166           sizeof(dos_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum) + sizeof(IMAGE_SECTION_HEADER) + 0x10,
 167           sizeof(dos_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum) + sizeof(IMAGE_SECTION_HEADER),
 168           ERROR_SUCCESS
 169         },
 170         { &dos_header, sizeof(dos_header),
 171           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 172           0xd0, /* beyond of the end of file */
 173           0xc0, /* beyond of the end of file */
 174           ERROR_SUCCESS
 175         },
 176         { &dos_header, sizeof(dos_header),
 177           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 178           0x1000,
 179           0,
 180           ERROR_SUCCESS
 181         },
 182         { &dos_header, sizeof(dos_header),
 183           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 184           1,
 185           0,
 186           ERROR_SUCCESS
 187         },
 188 #if 0 /* not power of 2 alignments need more test cases */
 189         { &dos_header, sizeof(dos_header),
 190           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x300, 0x300,
 191           1,
 192           0,
 193           ERROR_BAD_EXE_FORMAT /* alignment is not power of 2 */
 194         },
 195 #endif
 196         { &dos_header, sizeof(dos_header),
 197           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 4, 4,
 198           1,
 199           0,
 200           ERROR_SUCCESS
 201         },
 202         { &dos_header, sizeof(dos_header),
 203           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 1, 1,
 204           1,
 205           0,
 206           ERROR_SUCCESS
 207         },
 208         { &dos_header, sizeof(dos_header),
 209           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 210           0,
 211           0,
 212           ERROR_BAD_EXE_FORMAT /* image size == 0 -> failure */
 213         },
 214         /* the following data mimics the PE image which upack creates */
 215         { &dos_header, 0x10,
 216           1, 0x148, 0x1000, 0x200,
 217           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 218           0x200,
 219           ERROR_SUCCESS
 220         },
 221         /* Minimal PE image that XP is able to load: 92 bytes */
 222         { &dos_header, 0x04,
 223           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum),
 224           0x04 /* also serves as e_lfanew in the truncated MZ header */, 0x04,
 225           1,
 226           0,
 227           ERROR_SUCCESS
 228         }
 229     };
 230     static const char filler[0x1000];
 231     static const char section_data[0x10] = "section data";
 232     int i;
 233     DWORD dummy, file_size, file_align;
 234     HANDLE hfile, hlib;
 235     SYSTEM_INFO si;
 236     char temp_path[MAX_PATH];
 237     char dll_name[MAX_PATH];
 238
 239     GetSystemInfo(&si);
 240     trace("system page size 0x%04x\n", si.dwPageSize);
 241
 242     /* prevent displaying of the "Unable to load this DLL" message box */
 243     SetErrorMode(SEM_FAILCRITICALERRORS);
 244
 245     GetTempPath(MAX_PATH, temp_path);
 246
 247     for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
 248     {
 249         GetTempFileName(temp_path, "ldr", 0, dll_name);
 250
 251         /*trace("creating %s\n", dll_name);*/
 252         hfile = CreateFileA(dll_name, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
 253         if (hfile == INVALID_HANDLE_VALUE)
 254         {
 255             ok(0, "could not create %s\n", dll_name);
 256             break;
 257         }
 258
 259         SetLastError(0xdeadbeef);
 260         ok(WriteFile(hfile, td[i].dos_header, td[i].size_of_dos_header, &dummy, NULL),
 261            "WriteFile error %d\n", GetLastError());
 262
 263         nt_header.FileHeader.NumberOfSections = td[i].number_of_sections;
 264         nt_header.FileHeader.SizeOfOptionalHeader = td[i].size_of_optional_header;
 265
 266         nt_header.OptionalHeader.SectionAlignment = td[i].section_alignment;
 267         nt_header.OptionalHeader.FileAlignment = td[i].file_alignment;
 268         nt_header.OptionalHeader.SizeOfImage = td[i].size_of_image;
 269         nt_header.OptionalHeader.SizeOfHeaders = td[i].size_of_headers;
 270         SetLastError(0xdeadbeef);
 271         ok(WriteFile(hfile, &nt_header, sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER), &dummy, NULL),
 272            "WriteFile error %d\n", GetLastError());
 273
 274         if (nt_header.FileHeader.SizeOfOptionalHeader)
 275         {
 276             SetLastError(0xdeadbeef);
 277             ok(WriteFile(hfile, &nt_header.OptionalHeader,
 278                          min(nt_header.FileHeader.SizeOfOptionalHeader, sizeof(IMAGE_OPTIONAL_HEADER)),
 279                          &dummy, NULL),
 280                "WriteFile error %d\n", GetLastError());
 281             if (nt_header.FileHeader.SizeOfOptionalHeader > sizeof(IMAGE_OPTIONAL_HEADER))
 282             {
 283                 file_align = nt_header.FileHeader.SizeOfOptionalHeader - sizeof(IMAGE_OPTIONAL_HEADER);
 284                 assert(file_align < sizeof(filler));
 285                 SetLastError(0xdeadbeef);
 286                 ok(WriteFile(hfile, filler, file_align, &dummy, NULL),
 287                    "WriteFile error %d\n", GetLastError());
 288             }
 289         }
 290
 291         assert(nt_header.FileHeader.NumberOfSections <= 1);
 292         if (nt_header.FileHeader.NumberOfSections)
 293         {
 294             if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 295             {
 296                 section.PointerToRawData = td[i].size_of_dos_header;
 297                 section.VirtualAddress = nt_header.OptionalHeader.SectionAlignment;
 298                 section.Misc.VirtualSize = section.SizeOfRawData * 10;
 299             }
 300             else
 301             {
 302                 section.PointerToRawData = nt_header.OptionalHeader.SizeOfHeaders;
 303                 section.VirtualAddress = nt_header.OptionalHeader.SizeOfHeaders;
 304                 section.Misc.VirtualSize = 5;
 305             }
 306
 307             SetLastError(0xdeadbeef);
 308             ok(WriteFile(hfile, &section, sizeof(section), &dummy, NULL),
 309                "WriteFile error %d\n", GetLastError());
 310
 311             /* section data */
 312             SetLastError(0xdeadbeef);
 313             ok(WriteFile(hfile, section_data, sizeof(section_data), &dummy, NULL),
 314                "WriteFile error %d\n", GetLastError());
 315         }
 316
 317         file_size = GetFileSize(hfile, NULL);
 318         CloseHandle(hfile);
 319
 320         SetLastError(0xdeadbeef);
 321         hlib = LoadLibrary(dll_name);
 322         if (td[i].error == ERROR_SUCCESS)
 323         {
 324             MEMORY_BASIC_INFORMATION info;
 325
 326             ok(hlib != 0, "%d: LoadLibrary error %d\n", i, GetLastError());
 327
 328             SetLastError(0xdeadbeef);
 329             ok(VirtualQuery(hlib, &info, sizeof(info)) == sizeof(info),
 330                 "%d: VirtualQuery error %d\n", i, GetLastError());
 331             ok(info.BaseAddress == hlib, "%d: %p != %p\n", i, info.BaseAddress, hlib);
 332             ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 333             ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 334             ok(info.RegionSize == ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %lx != expected %x\n",
 335                i, info.RegionSize, ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 336             ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 337             if (nt_header.OptionalHeader.SectionAlignment < si.dwPageSize)
 338                 ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 339             else
 340                 ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 341             ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 342
 343             SetLastError(0xdeadbeef);
 344             ok(VirtualQuery((char *)hlib + info.RegionSize, &info, sizeof(info)) == sizeof(info),
 345                 "%d: VirtualQuery error %d\n", i, GetLastError());
 346             if (nt_header.OptionalHeader.SectionAlignment == si.dwPageSize ||
 347                 nt_header.OptionalHeader.SectionAlignment == nt_header.OptionalHeader.FileAlignment)
 348             {
 349                 ok(info.BaseAddress == (char *)hlib + ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %p != expected %p\n",
 350                    i, info.BaseAddress, (char *)hlib + ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 351                 ok(info.AllocationBase == 0, "%d: %p != 0\n", i, info.AllocationBase);
 352                 ok(info.AllocationProtect == 0, "%d: %x != 0\n", i, info.AllocationProtect);
 353                 /*ok(info.RegionSize == not_practical_value, "%d: %lx != not_practical_value\n", i, info.RegionSize);*/
 354                 ok(info.State == MEM_FREE, "%d: %x != MEM_FREE\n", i, info.State);
 355                 ok(info.Type == 0, "%d: %x != 0\n", i, info.Type);
 356                 ok(info.Protect == PAGE_NOACCESS, "%d: %x != PAGE_NOACCESS\n", i, info.Protect);
 357             }
 358             else
 359             {
 360                 ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 361                 ok(info.BaseAddress == hlib, "%d: got %p != expected %p\n", i, info.BaseAddress, hlib);
 362                 ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 363                 ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 364                 ok(info.RegionSize == ALIGN_SIZE(file_size, si.dwPageSize), "%d: got %lx != expected %x\n",
 365                    i, info.RegionSize, ALIGN_SIZE(file_size, si.dwPageSize));
 366                 ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 367                 ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 368                 ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 369             }
 370
 371             /* header: check the zeroing of alignment */
 372             if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 373             {
 374                 const char *start;
 375                 int size;
 376
 377                 start = (const char *)hlib + nt_header.OptionalHeader.SizeOfHeaders;
 378                 size = ALIGN_SIZE((ULONG_PTR)start, si.dwPageSize) - (ULONG_PTR)start;
 379                 ok(!memcmp(start, filler, size), "%d: header alignment is not cleared\n", i);
 380             }
 381
 382             if (nt_header.FileHeader.NumberOfSections)
 383             {
 384                 SetLastError(0xdeadbeef);
 385                 ok(VirtualQuery((char *)hlib + section.VirtualAddress, &info, sizeof(info)) == sizeof(info),
 386                     "%d: VirtualQuery error %d\n", i, GetLastError());
 387                 if (nt_header.OptionalHeader.SectionAlignment < si.dwPageSize)
 388                 {
 389                     ok(info.BaseAddress == (char *)hlib, "%d: got %p != expected %p\n", i, info.BaseAddress, (char *)hlib);
 390                     ok(info.RegionSize == ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %lx != expected %x\n",
 391                        i, info.RegionSize, ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 392                     ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 393                 }
 394                 else
 395                 {
 396                     ok(info.BaseAddress == (char *)hlib + section.VirtualAddress, "%d: got %p != expected %p\n", i, info.BaseAddress, (char *)hlib + section.VirtualAddress);
 397                     ok(info.RegionSize == ALIGN_SIZE(section.Misc.VirtualSize, si.dwPageSize), "%d: got %lx != expected %x\n",
 398                        i, info.RegionSize, ALIGN_SIZE(section.Misc.VirtualSize, si.dwPageSize));
 399                     ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 400                 }
 401                 ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 402                 ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 403                 ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 404                 ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 405
 406                 if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 407                     ok(!memcmp((const char *)hlib + section.VirtualAddress + section.PointerToRawData, &nt_header, section.SizeOfRawData), "wrong section data\n");
 408                 else
 409                     ok(!memcmp((const char *)hlib + section.PointerToRawData, section_data, section.SizeOfRawData), "wrong section data\n");
 410
 411                 /* check the zeroing of alignment */
 412                 if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 413                 {
 414                     const char *start;
 415                     int size;
 416
 417                     start = (const char *)hlib + section.VirtualAddress + section.PointerToRawData + section.SizeOfRawData;
 418                     size = ALIGN_SIZE((ULONG_PTR)start, si.dwPageSize) - (ULONG_PTR)start;
 419                     ok(memcmp(start, filler, size), "%d: alignment should not be cleared\n", i);
 420                 }
 421             }
 422
 423             SetLastError(0xdeadbeef);
 424             ok(FreeLibrary(hlib), "FreeLibrary error %d\n", GetLastError());
 425         }
 426         else
 427         {   /* LoadLibrary is expected to fail */
 428             ok(!hlib, "%d: LoadLibrary should fail\n", i);
 429
 430             if (GetLastError() == ERROR_GEN_FAILURE) /* Win9x, broken behaviour */
 431             {
 432                 trace("skipping the loader test on Win9x\n");
 433                 DeleteFile(dll_name);
 434                 return;
 435             }
 436
 437             ok(td[i].error == GetLastError(), "%d: expected error %d, got %d\n",
 438                i, td[i].error, GetLastError());
 439         }
 440
 441         SetLastError(0xdeadbeef);
 442         ok(DeleteFile(dll_name), "DeleteFile error %d\n", GetLastError());
 443     }
 444 }