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/*
* Copyright (C) 2017-2018 Olzhas Rakhimov
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "expression/extern.h"
#include <memory>
#include <catch.hpp>
#include <boost/predef.h>
#include <boost/filesystem.hpp>
#if BOOST_OS_LINUX
#include <stdlib.h>
#endif
#include "expression/constant.h"
namespace scram::mef::test {
const char kLibName[] = "scram_dummy_extern";
const char kLibRelPath[] = "build/lib/scram/scram_dummy_extern";
#if BOOST_OS_LINUX
const char kLibRelPathLinux[] = "build/lib/scram/libscram_dummy_extern.so";
#endif
TEST_CASE("ExternTest.ExternLibraryLoad", "[mef::extern_function]") {
const std::string cwd_dir = boost::filesystem::current_path().string();
CHECK_THROWS_AS(ExternLibrary("dummy", kLibName, "", false, false), DLError);
CHECK_THROWS_AS(ExternLibrary("dummy", kLibName, "", false, true), DLError);
CHECK_THROWS_AS(ExternLibrary("dummy", kLibName, "", true, true), DLError);
CHECK_THROWS_AS(ExternLibrary("dummy", kLibRelPath, cwd_dir, false, false),
DLError);
CHECK_NOTHROW(ExternLibrary("dummy", kLibRelPath, cwd_dir, false, true));
CHECK_NOTHROW(ExternLibrary("dummy", kLibRelPath, cwd_dir, true, true));
CHECK_THROWS_AS(ExternLibrary("d", "", "", false, false), ValidityError);
CHECK_THROWS_AS(ExternLibrary("d", ".", "", false, false), ValidityError);
CHECK_THROWS_AS(ExternLibrary("d", "/", "", false, false), ValidityError);
CHECK_THROWS_AS(ExternLibrary("d", "//", "", false, false), ValidityError);
CHECK_THROWS_AS(ExternLibrary("d", "..", "", false, false), ValidityError);
CHECK_THROWS_AS(ExternLibrary("d", "./", "", false, false), ValidityError);
CHECK_THROWS_AS(ExternLibrary("d", "lib/", "", false, false), ValidityError);
CHECK_THROWS_AS(ExternLibrary("d", "lib:", "", false, false), ValidityError);
#if BOOST_OS_LINUX
// The system search with LD_LIBRARY_PATH must be tested outside.
CHECK_NOTHROW(
ExternLibrary("dummy", kLibRelPathLinux, cwd_dir, false, false));
#endif
}
TEST_CASE("ExternTest.ExternLibraryGet", "[mef::extern_function]") {
const std::string cwd_dir = boost::filesystem::current_path().string();
std::unique_ptr<ExternLibrary> library;
REQUIRE_NOTHROW(library = std::make_unique<ExternLibrary>(
"dummy", kLibRelPath, cwd_dir, false, true));
CHECK_NOTHROW(library->get<int()>("foo"));
CHECK_NOTHROW(library->get<double()>("bar"));
CHECK_NOTHROW(library->get<float()>("baz"));
CHECK_THROWS_AS(library->get<int()>("foobar"), UndefinedElement);
CHECK(library->get<int()>("foo")() == 42);
CHECK(library->get<double()>("bar")() == 42);
CHECK(library->get<float()>("baz")() == 42);
}
TEST_CASE("ExternTest.ExternFunction", "[mef::extern_function]") {
const std::string cwd_dir = boost::filesystem::current_path().string();
ExternLibrary library("dummy", kLibRelPath, cwd_dir, false, true);
CHECK_NOTHROW(ExternFunction<int>("extern", "foo", library));
CHECK_NOTHROW(ExternFunction<double>("extern", "bar", library));
CHECK_NOTHROW(ExternFunction<float>("extern", "baz", library));
CHECK_THROWS_AS(ExternFunction<int>("extern", "foobar", library),
UndefinedElement);
CHECK(ExternFunction<int>("extern", "foo", library)() == 42);
}
TEST_CASE("ExternTest.ExternExpression", "[mef::extern_function]") {
const std::string cwd_dir = boost::filesystem::current_path().string();
ExternLibrary library("dummy", kLibRelPath, cwd_dir, false, true);
ExternFunction<int> foo("dummy_foo", "foo", library);
ExternFunction<double, double> identity("dummy_id", "identity", library);
ConstantExpression arg_one(12);
CHECK_NOTHROW(ExternExpression<int>(&foo, {}));
CHECK_THROWS_AS(ExternExpression<int>(&foo, {&arg_one}), ValidityError);
CHECK(ExternExpression<int>(&foo, {}).value() == 42);
CHECK(ExternExpression<int>(&foo, {}).Sample() == 42);
CHECK_FALSE(ExternExpression<int>(&foo, {}).IsDeviate());
CHECK_NOTHROW((ExternExpression<double, double>(&identity, {&arg_one})));
CHECK_THROWS_AS((ExternExpression<double, double>(&identity, {})),
ValidityError);
CHECK((ExternExpression<double, double>(&identity, {&arg_one})).value() ==
arg_one.value());
}
TEST_CASE("ExternTest.ExternFunctionApply", "[mef::extern_function]") {
const std::string cwd_dir = boost::filesystem::current_path().string();
ExternLibrary library("dummy", kLibRelPath, cwd_dir, false, true);
ExternFunctionPtr foo(new ExternFunction<int>("dummy_foo", "foo", library));
ExternFunctionPtr identity(
new ExternFunction<double, double>("dummy_id", "identity", library));
ConstantExpression arg_one(12);
CHECK_NOTHROW(foo->apply({}));
CHECK(foo->apply({})->value() == 42);
CHECK_THROWS_AS(identity->apply({}), ValidityError);
CHECK_NOTHROW(identity->apply({&arg_one}));
CHECK(identity->apply({&arg_one})->value() == arg_one.value());
}
} // namespace scram::mef::test
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