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Diffstat (limited to 'base/win/pe_image_unittest.cc')
| -rw-r--r-- | base/win/pe_image_unittest.cc | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/base/win/pe_image_unittest.cc b/base/win/pe_image_unittest.cc new file mode 100644 index 0000000..899ce94 --- /dev/null +++ b/base/win/pe_image_unittest.cc @@ -0,0 +1,219 @@ +// Copyright (c) 2010 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// This file contains unit tests for PEImage. + +#include "testing/gtest/include/gtest/gtest.h" +#include "base/win/pe_image.h" +#include "base/win/windows_version.h" + +namespace base { +namespace win { + +// Just counts the number of invocations. +bool ExportsCallback(const PEImage &image, + DWORD ordinal, + DWORD hint, + LPCSTR name, + PVOID function, + LPCSTR forward, + PVOID cookie) { + int* count = reinterpret_cast<int*>(cookie); + (*count)++; + return true; +} + +// Just counts the number of invocations. +bool ImportsCallback(const PEImage &image, + LPCSTR module, + DWORD ordinal, + LPCSTR name, + DWORD hint, + PIMAGE_THUNK_DATA iat, + PVOID cookie) { + int* count = reinterpret_cast<int*>(cookie); + (*count)++; + return true; +} + +// Just counts the number of invocations. +bool SectionsCallback(const PEImage &image, + PIMAGE_SECTION_HEADER header, + PVOID section_start, + DWORD section_size, + PVOID cookie) { + int* count = reinterpret_cast<int*>(cookie); + (*count)++; + return true; +} + +// Just counts the number of invocations. +bool RelocsCallback(const PEImage &image, + WORD type, + PVOID address, + PVOID cookie) { + int* count = reinterpret_cast<int*>(cookie); + (*count)++; + return true; +} + +// Just counts the number of invocations. +bool ImportChunksCallback(const PEImage &image, + LPCSTR module, + PIMAGE_THUNK_DATA name_table, + PIMAGE_THUNK_DATA iat, + PVOID cookie) { + int* count = reinterpret_cast<int*>(cookie); + (*count)++; + return true; +} + +// Just counts the number of invocations. +bool DelayImportChunksCallback(const PEImage &image, + PImgDelayDescr delay_descriptor, + LPCSTR module, + PIMAGE_THUNK_DATA name_table, + PIMAGE_THUNK_DATA iat, + PIMAGE_THUNK_DATA bound_iat, + PIMAGE_THUNK_DATA unload_iat, + PVOID cookie) { + int* count = reinterpret_cast<int*>(cookie); + (*count)++; + return true; +} + +// We'll be using some known values for the tests. +enum Value { + sections = 0, + imports_dlls, + delay_dlls, + exports, + imports, + delay_imports, + relocs +}; + +// Retrieves the expected value from advapi32.dll based on the OS. +int GetExpectedValue(Value value, DWORD os) { + const int xp_delay_dlls = 2; + const int xp_exports = 675; + const int xp_imports = 422; + const int xp_delay_imports = 8; + const int xp_relocs = 9180; + const int vista_delay_dlls = 4; + const int vista_exports = 799; + const int vista_imports = 476; + const int vista_delay_imports = 24; + const int vista_relocs = 10188; + const int w2k_delay_dlls = 0; + const int w2k_exports = 566; + const int w2k_imports = 357; + const int w2k_delay_imports = 0; + const int w2k_relocs = 7388; + const int win7_delay_dlls = 7; + const int win7_exports = 806; + const int win7_imports = 568; + const int win7_delay_imports = 71; + const int win7_relocs = 7812; + + // Contains the expected value, for each enumerated property (Value), and the + // OS version: [Value][os_version] + const int expected[][4] = { + {4, 4, 4, 4}, + {3, 3, 3, 13}, + {w2k_delay_dlls, xp_delay_dlls, vista_delay_dlls, win7_delay_dlls}, + {w2k_exports, xp_exports, vista_exports, win7_exports}, + {w2k_imports, xp_imports, vista_imports, win7_imports}, + {w2k_delay_imports, xp_delay_imports, + vista_delay_imports, win7_delay_imports}, + {w2k_relocs, xp_relocs, vista_relocs, win7_relocs} + }; + + if (value > relocs) + return 0; + if (50 == os) + os = 0; // 5.0 + else if (51 == os || 52 == os) + os = 1; + else if (os == 60) + os = 2; // 6.x + else if (os >= 61) + os = 3; + else + return 0; + + return expected[value][os]; +} + +// Tests that we are able to enumerate stuff from a PE file, and that +// the actual number of items found is within the expected range. +TEST(PEImageTest, EnumeratesPE) { + // Windows Server 2003 is not supported as a test environment for this test. + if (base::win::GetVersion() == base::win::VERSION_SERVER_2003) + return; + HMODULE module = LoadLibrary(L"advapi32.dll"); + ASSERT_TRUE(NULL != module); + + PEImage pe(module); + int count = 0; + EXPECT_TRUE(pe.VerifyMagic()); + + DWORD os = pe.GetNTHeaders()->OptionalHeader.MajorOperatingSystemVersion; + os = os * 10 + pe.GetNTHeaders()->OptionalHeader.MinorOperatingSystemVersion; + + pe.EnumSections(SectionsCallback, &count); + EXPECT_EQ(GetExpectedValue(sections, os), count); + + count = 0; + pe.EnumImportChunks(ImportChunksCallback, &count); + EXPECT_EQ(GetExpectedValue(imports_dlls, os), count); + + count = 0; + pe.EnumDelayImportChunks(DelayImportChunksCallback, &count); + EXPECT_EQ(GetExpectedValue(delay_dlls, os), count); + + count = 0; + pe.EnumExports(ExportsCallback, &count); + EXPECT_GT(count, GetExpectedValue(exports, os) - 20); + EXPECT_LT(count, GetExpectedValue(exports, os) + 100); + + count = 0; + pe.EnumAllImports(ImportsCallback, &count); + EXPECT_GT(count, GetExpectedValue(imports, os) - 20); + EXPECT_LT(count, GetExpectedValue(imports, os) + 100); + + count = 0; + pe.EnumAllDelayImports(ImportsCallback, &count); + EXPECT_GT(count, GetExpectedValue(delay_imports, os) - 2); + EXPECT_LT(count, GetExpectedValue(delay_imports, os) + 8); + + count = 0; + pe.EnumRelocs(RelocsCallback, &count); + EXPECT_GT(count, GetExpectedValue(relocs, os) - 150); + EXPECT_LT(count, GetExpectedValue(relocs, os) + 1500); + + FreeLibrary(module); +} + +// Tests that we can locate an specific exported symbol, by name and by ordinal. +TEST(PEImageTest, RetrievesExports) { + HMODULE module = LoadLibrary(L"advapi32.dll"); + ASSERT_TRUE(NULL != module); + + PEImage pe(module); + WORD ordinal; + + EXPECT_TRUE(pe.GetProcOrdinal("RegEnumKeyExW", &ordinal)); + + FARPROC address1 = pe.GetProcAddress("RegEnumKeyExW"); + FARPROC address2 = pe.GetProcAddress(reinterpret_cast<char*>(ordinal)); + EXPECT_TRUE(address1 != NULL); + EXPECT_TRUE(address2 != NULL); + EXPECT_TRUE(address1 == address2); + + FreeLibrary(module); +} + +} // namespace win +} // namespace base |