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Diffstat (limited to 'Source/kwsys/testDynamicLoader.cxx')
-rw-r--r-- | Source/kwsys/testDynamicLoader.cxx | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/Source/kwsys/testDynamicLoader.cxx b/Source/kwsys/testDynamicLoader.cxx new file mode 100644 index 0000000..695a134 --- /dev/null +++ b/Source/kwsys/testDynamicLoader.cxx @@ -0,0 +1,128 @@ +/*============================================================================ + KWSys - Kitware System Library + Copyright 2000-2009 Kitware, Inc., Insight Software Consortium + + Distributed under the OSI-approved BSD License (the "License"); + see accompanying file Copyright.txt for details. + + This software is distributed WITHOUT ANY WARRANTY; without even the + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the License for more information. +============================================================================*/ +#include "kwsysPrivate.h" + +#include KWSYS_HEADER(DynamicLoader.hxx) + +#if defined(__BEOS__) || defined(__HAIKU__) +#include <be/kernel/OS.h> /* disable_debugger() API. */ +#endif + +// Work-around CMake dependency scanning limitation. This must +// duplicate the above list of headers. +#if 0 +# include "DynamicLoader.hxx.in" +#endif + +#include <string> +#include <iostream> + +// Include with <> instead of "" to avoid getting any in-source copy +// left on disk. +#include <testSystemTools.h> + +static std::string GetLibName(const char* lname) +{ + // Construct proper name of lib + std::string slname; + slname = EXECUTABLE_OUTPUT_PATH; +#ifdef CMAKE_INTDIR + slname += "/"; + slname += CMAKE_INTDIR; +#endif + slname += "/"; + slname += kwsys::DynamicLoader::LibPrefix(); + slname += lname; + slname += kwsys::DynamicLoader::LibExtension(); + + return slname; +} + +/* libname = Library name (proper prefix, proper extension) + * System = symbol to lookup in libname + * r1: should OpenLibrary succeed ? + * r2: should GetSymbolAddress succeed ? + * r3: should CloseLibrary succeed ? + */ +int TestDynamicLoader(const char* libname, const char* symbol, int r1, int r2, int r3) +{ + std::cerr << "Testing: " << libname << std::endl; + kwsys::DynamicLoader::LibraryHandle l + = kwsys::DynamicLoader::OpenLibrary(libname); + // If result is incompatible with expectation just fails (xor): + if( (r1 && !l) || (!r1 && l) ) + { + std::cerr + << kwsys::DynamicLoader::LastError() << std::endl; + return 1; + } + kwsys::DynamicLoader::SymbolPointer f + = kwsys::DynamicLoader::GetSymbolAddress(l, symbol); + if( (r2 && !f) || (!r2 && f) ) + { + std::cerr + << kwsys::DynamicLoader::LastError() << std::endl; + return 1; + } +#ifndef __APPLE__ + int s = kwsys::DynamicLoader::CloseLibrary(l); + if( (r3 && !s) || (!r3 && s) ) + { + std::cerr + << kwsys::DynamicLoader::LastError() << std::endl; + return 1; + } +#else + (void)r3; +#endif + return 0; +} + +int testDynamicLoader(int argc, char *argv[]) +{ +#if defined(_WIN32) + SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX); +#elif defined(__BEOS__) || defined(__HAIKU__) + disable_debugger(1); +#endif + int res = 0; + if( argc == 3 ) + { + // User specify a libname and symbol to check. + res = TestDynamicLoader(argv[1], argv[2],1,1,1); + return res; + } + +// dlopen() on Syllable before 11/22/2007 doesn't return 0 on error +#ifndef __SYLLABLE__ + // Make sure that inexistent lib is giving correct result + res += TestDynamicLoader("azerty_", "foo_bar",0,0,0); + // Make sure that random binary file cannot be assimilated as dylib + res += TestDynamicLoader(TEST_SYSTEMTOOLS_SOURCE_DIR "/testSystemTools.bin", "wp",0,0,0); +#endif + +#ifdef __linux__ + // This one is actually fun to test, since dlopen is by default loaded...wonder why :) + res += TestDynamicLoader("foobar.lib", "dlopen",0,1,0); + res += TestDynamicLoader("libdl.so", "dlopen",1,1,1); + res += TestDynamicLoader("libdl.so", "TestDynamicLoader",1,0,1); +#endif + // Now try on the generated library + std::string libname = GetLibName(KWSYS_NAMESPACE_STRING "TestDynload"); + res += TestDynamicLoader(libname.c_str(), "dummy",1,0,1); + res += TestDynamicLoader(libname.c_str(), "TestDynamicLoaderSymbolPointer",1,1,1); + res += TestDynamicLoader(libname.c_str(), "_TestDynamicLoaderSymbolPointer",1,0,1); + res += TestDynamicLoader(libname.c_str(), "TestDynamicLoaderData",1,1,1); + res += TestDynamicLoader(libname.c_str(), "_TestDynamicLoaderData",1,0,1); + + return res; +} |