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///////////////////////////////////////////////////////////////////////////////
// Name: tests/misc/dynamiclib.cpp
// Purpose: Test wxDynamicLibrary
// Author: Francesco Montorsi (extracted from console sample)
// Created: 2010-06-13
// Copyright: (c) 2010 wxWidgets team
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#include "wx/dynlib.h"
#ifndef __WINDOWS__
#include "wx/dir.h"
#include "wx/filename.h"
#endif
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
TEST_CASE("DynamicLibrary::Load", "[dynlib]")
{
#if defined(__WINDOWS__)
static const char* const LIB_NAME = "kernel32.dll";
static const char* const FUNC_NAME = "lstrlenA";
#elif defined(__CYGWIN__)
static const char* const LIB_NAME = "cygwin1.dll";
static const char* const FUNC_NAME = "strlen";
#elif defined(__DARWIN__)
// Under macOS 12+ we can actually load the libc dylib even though the
// corresponding file doesn't exist on disk, so we have to handle it
// differently.
static const char* const LIB_NAME = "/usr/lib/libc.dylib";
static const char* const FUNC_NAME = "strlen";
#else // other Unix
static const char* const candidateDirs[] =
{
"/lib/x86_64-linux-gnu",
"/lib",
"/lib64",
"/usr/lib",
};
static const char* const candidateVersions[] = { "6", "7", "6.1", "0.3", "0.1" };
wxString LIB_NAME;
wxArrayString allMatches;
for ( size_t n = 0; n < WXSIZEOF(candidateDirs); ++n )
{
const wxString dir(candidateDirs[n]);
if ( !wxDir::Exists(dir) )
continue;
for ( size_t m = 0; m < WXSIZEOF(candidateVersions); ++m )
{
const wxString candidate = wxString::Format
(
"%s/libc.so.%s",
dir, candidateVersions[m]
);
if ( wxFileName::Exists(candidate) )
{
LIB_NAME = candidate;
break;
}
}
if ( !LIB_NAME.empty() )
break;
wxDir::GetAllFiles(dir, &allMatches, "libc.*", wxDIR_FILES);
}
if ( LIB_NAME.empty() )
{
WARN("Couldn't find libc.so, skipping DynamicLibrary::Load() test.");
if ( !allMatches.empty() )
{
WARN("Possible candidates:\n" << wxJoin(allMatches, '\n'));
}
return;
}
static const char* const FUNC_NAME = "strlen";
#endif // OS
wxDynamicLibrary lib(LIB_NAME);
REQUIRE( lib.IsLoaded() );
SECTION("strlen")
{
typedef int (wxSTDCALL *wxStrlenType)(const char *);
wxStrlenType pfnStrlen = (wxStrlenType)lib.GetSymbol(FUNC_NAME);
if ( pfnStrlen )
{
// Call the function dynamically loaded
CHECK( pfnStrlen("foo") == 3 );
}
else
{
FAIL(FUNC_NAME << " wasn't found in " << LIB_NAME);
}
}
#ifdef __WINDOWS__
SECTION("A/W")
{
static const char* const FUNC_NAME_AW = "lstrlen";
typedef int (wxSTDCALL *wxStrlenTypeAorW)(const wxChar *);
wxStrlenTypeAorW
pfnStrlenAorW = (wxStrlenTypeAorW)lib.GetSymbolAorW(FUNC_NAME_AW);
if ( pfnStrlenAorW )
{
CHECK( pfnStrlenAorW(wxT("foobar")) == 6 );
}
else
{
FAIL(FUNC_NAME_AW << " wasn't found in " << LIB_NAME);
}
}
#endif // __WINDOWS__
}
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