initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/tests/misc/dynamiclib.cpp

@@ -0,0 +1,134 @@
+///////////////////////////////////////////////////////////////////////////////
+// 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__
+}