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dynamic_loader.cpp
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Tue, Jun 4, 15:15

dynamic_loader.cpp
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#include <catch.hpp>
#include "specmicp_common/plugins/dynamic_library.hpp"
#include "specmicp_common/log.hpp"
#include "specmicp_common/filesystem.hpp"
#include <iostream>
using namespace specmicp::plugins;
TEST_CASE("Dynamic Loader", "[plugin]")
{
specmicp::init_logger(nullptr, specmicp::logger::Warning);
SECTION("Loading")
{
std::string error;
DynamicLibraryPtr lib = DynamicLibrary::load(specmicp::utils::get_current_directory()+"/test_to_load.so", error);
CHECK(lib != nullptr);
if (lib == nullptr)
{
std::cerr << error << std::endl;
REQUIRE(false);
}
int (*add_f)(int, int) = (int (*)(int, int)) lib->get_symbol("add", error);
CHECK(add_f != nullptr);
if (add_f == nullptr)
{
std::cerr << error << std::endl;
REQUIRE(false);
}
CHECK(add_f(1, 2) == 3);
}
SECTION("Loading with directories")
{
std::string error;
DynamicLibraryPtr lib = DynamicLibrary::load(
"test_to_load.so",
{ specmicp::utils::get_current_directory(),
"/usr/lib"
},
error);
CHECK(lib != nullptr);
if (lib == nullptr)
{
std::cerr << error << std::endl;
REQUIRE(false);
}
int (*add_f)(int, int) = (int (*)(int, int)) lib->get_symbol("add", error);
CHECK(add_f != nullptr);
if (add_f == nullptr)
{
std::cerr << error << std::endl;
REQUIRE(false);
}
CHECK(add_f(1, 2) == 3);
}
SECTION("Unsuccessful loading")
{
std::string error;
DynamicLibraryPtr lib = DynamicLibrary::load("platyput_with_7_legs", error);
CHECK(lib == nullptr);
}
SECTION("Unsuccessful symbol loading")
{
std::string error;
DynamicLibraryPtr lib = DynamicLibrary::load(specmicp::utils::get_current_directory()+"/test_to_load.so", error);
CHECK(lib != nullptr);
if (lib == nullptr)
{
std::cerr << error << std::endl;
REQUIRE(false);
}
void * hop = lib->get_symbol("latypus_with_7_legs", error);
CHECK(hop == nullptr);
}
}

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