cxxopts/test/options.cpp
2016-08-26 19:09:40 +10:00

68 lines
1.4 KiB
C++

#define CATCH_CONFIG_MAIN
#include "catch.hpp"
#include "../src/cxxopts.hpp"
class Argv {
public:
Argv(int n, const char** argv)
: m_argv(new char*[n])
{
for (int i = 0; i != n; ++i) {
auto len = strlen(argv[i]) + 1;
auto ptr = std::unique_ptr<char[]>(new char[len]);
strcpy(ptr.get(), argv[i]);
m_args.push_back(std::move(ptr));
m_argv.get()[i] = m_args.back().get();
}
}
char** argv() const {
return m_argv.get();
}
private:
std::vector<std::unique_ptr<char[]>> m_args;
std::unique_ptr<char*[]> m_argv;
};
TEST_CASE("Basic options", "[options]")
{
cxxopts::Options options("tester", " - test basic options");
options.add_options()
("long", "a long option")
("s,short", "a short option")
("value", "an option with a value", cxxopts::value<std::string>())
("a,av", "a short option with a value", cxxopts::value<std::string>());
const char* args[] = {
"tester",
"--long",
"-s",
"--value",
"value",
"-a",
"b"
};
int argc = sizeof(args) / sizeof(args[0]);
Argv argv(argc, args);
char** actual_argv = argv.argv();
options.parse(argc, actual_argv);
CHECK(options.count("long") == 1);
CHECK(options.count("s") == 1);
CHECK(options.count("value") == 1);
CHECK(options.count("a") == 1);
CHECK(options["value"].as<std::string>() == "value");
CHECK(options["a"].as<std::string>() == "b");
}