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777 lines
21 KiB
C++
777 lines
21 KiB
C++
#include "catch.hpp"
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#include <initializer_list>
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#include "cxxopts.hpp"
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class Argv {
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public:
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Argv(std::initializer_list<const char*> args)
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: m_argv(new char*[args.size()])
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, m_argc(args.size())
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{
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int i = 0;
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auto iter = args.begin();
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while (iter != args.end()) {
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auto len = strlen(*iter) + 1;
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auto ptr = std::unique_ptr<char[]>(new char[len]);
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strcpy(ptr.get(), *iter);
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m_args.push_back(std::move(ptr));
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m_argv.get()[i] = m_args.back().get();
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++iter;
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++i;
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}
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}
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char** argv() const {
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return m_argv.get();
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}
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int argc() const {
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return m_argc;
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}
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private:
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std::vector<std::unique_ptr<char[]>> m_args;
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std::unique_ptr<char*[]> m_argv;
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int m_argc;
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};
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TEST_CASE("Basic options", "[options]")
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{
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cxxopts::Options options("tester", " - test basic options");
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options.add_options()
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("long", "a long option")
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("s,short", "a short option")
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("value", "an option with a value", cxxopts::value<std::string>())
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("a,av", "a short option with a value", cxxopts::value<std::string>())
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("6,six", "a short number option")
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("p, space", "an option with space between short and long")
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("nothing", "won't exist", cxxopts::value<std::string>())
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;
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Argv argv({
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"tester",
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"--long",
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"-s",
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"--value",
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"value",
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"-a",
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"b",
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"-6",
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"-p",
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"--space",
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});
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char** actual_argv = argv.argv();
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auto argc = argv.argc();
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auto result = options.parse(argc, actual_argv);
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CHECK(result.count("long") == 1);
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CHECK(result.count("s") == 1);
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CHECK(result.count("value") == 1);
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CHECK(result.count("a") == 1);
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CHECK(result["value"].as<std::string>() == "value");
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CHECK(result["a"].as<std::string>() == "b");
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CHECK(result.count("6") == 1);
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CHECK(result.count("p") == 2);
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CHECK(result.count("space") == 2);
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auto& arguments = result.arguments();
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REQUIRE(arguments.size() == 7);
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CHECK(arguments[0].key() == "long");
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CHECK(arguments[0].value() == "true");
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CHECK(arguments[0].as<bool>() == true);
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CHECK(arguments[1].key() == "short");
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CHECK(arguments[2].key() == "value");
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CHECK(arguments[3].key() == "av");
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CHECK_THROWS_AS(result["nothing"].as<std::string>(), std::domain_error&);
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}
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TEST_CASE("Short options", "[options]")
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{
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cxxopts::Options options("test_short", " - test short options");
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options.add_options()
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("a", "a short option", cxxopts::value<std::string>());
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Argv argv({"test_short", "-a", "value"});
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auto actual_argv = argv.argv();
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auto argc = argv.argc();
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auto result = options.parse(argc, actual_argv);
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CHECK(result.count("a") == 1);
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CHECK(result["a"].as<std::string>() == "value");
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REQUIRE_THROWS_AS(options.add_options()("", "nothing option"),
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cxxopts::invalid_option_format_error&);
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}
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TEST_CASE("No positional", "[positional]")
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{
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cxxopts::Options options("test_no_positional",
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" - test no positional options");
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Argv av({"tester", "a", "b", "def"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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REQUIRE(argc == 4);
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CHECK(strcmp(argv[1], "a") == 0);
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}
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TEST_CASE("All positional", "[positional]")
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{
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std::vector<std::string> positional;
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cxxopts::Options options("test_all_positional", " - test all positional");
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options.add_options()
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("positional", "Positional parameters",
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cxxopts::value<std::vector<std::string>>(positional))
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;
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Argv av({"tester", "a", "b", "c"});
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auto argc = av.argc();
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auto argv = av.argv();
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std::vector<std::string> pos_names = {"positional"};
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options.parse_positional(pos_names.begin(), pos_names.end());
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auto result = options.parse(argc, argv);
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REQUIRE(argc == 1);
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REQUIRE(positional.size() == 3);
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CHECK(positional[0] == "a");
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CHECK(positional[1] == "b");
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CHECK(positional[2] == "c");
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}
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TEST_CASE("Some positional explicit", "[positional]")
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{
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cxxopts::Options options("positional_explicit", " - test positional");
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options.add_options()
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("input", "Input file", cxxopts::value<std::string>())
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("output", "Output file", cxxopts::value<std::string>())
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("positional", "Positional parameters",
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cxxopts::value<std::vector<std::string>>())
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;
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options.parse_positional({"input", "output", "positional"});
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Argv av({"tester", "--output", "a", "b", "c", "d"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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CHECK(argc == 1);
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CHECK(result.count("output"));
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CHECK(result["input"].as<std::string>() == "b");
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CHECK(result["output"].as<std::string>() == "a");
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auto& positional = result["positional"].as<std::vector<std::string>>();
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REQUIRE(positional.size() == 2);
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CHECK(positional[0] == "c");
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CHECK(positional[1] == "d");
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}
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TEST_CASE("No positional with extras", "[positional]")
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{
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cxxopts::Options options("posargmaster", "shows incorrect handling");
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options.add_options()
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("dummy", "oh no", cxxopts::value<std::string>())
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;
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Argv av({"extras", "--", "a", "b", "c", "d"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto old_argv = argv;
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auto old_argc = argc;
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options.parse(argc, argv);
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REQUIRE(argc == old_argc - 1);
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CHECK(argv[0] == std::string("extras"));
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CHECK(argv[1] == std::string("a"));
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}
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TEST_CASE("Positional not valid", "[positional]") {
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cxxopts::Options options("positional_invalid", "invalid positional argument");
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options.add_options()
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("long", "a long option", cxxopts::value<std::string>())
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;
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options.parse_positional("something");
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Argv av({"foobar", "bar", "baz"});
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char** argv = av.argv();
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auto argc = av.argc();
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CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::option_not_exists_exception&);
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}
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TEST_CASE("Empty with implicit value", "[implicit]")
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{
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cxxopts::Options options("empty_implicit", "doesn't handle empty");
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options.add_options()
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("implicit", "Has implicit", cxxopts::value<std::string>()
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->implicit_value("foo"));
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Argv av({"implicit", "--implicit="});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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REQUIRE(result.count("implicit") == 1);
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REQUIRE(result["implicit"].as<std::string>() == "");
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}
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TEST_CASE("Boolean without implicit value", "[implicit]")
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{
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cxxopts::Options options("no_implicit", "bool without an implicit value");
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options.add_options()
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("bool", "Boolean without implicit", cxxopts::value<bool>()
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->no_implicit_value());
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SECTION("When no value provided") {
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Argv av({"no_implicit", "--bool"});
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char** argv = av.argv();
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auto argc = av.argc();
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CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::missing_argument_exception&);
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}
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SECTION("With equal-separated true") {
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Argv av({"no_implicit", "--bool=true"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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CHECK(result.count("bool") == 1);
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CHECK(result["bool"].as<bool>() == true);
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}
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SECTION("With equal-separated false") {
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Argv av({"no_implicit", "--bool=false"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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CHECK(result.count("bool") == 1);
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CHECK(result["bool"].as<bool>() == false);
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}
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SECTION("With space-separated true") {
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Argv av({"no_implicit", "--bool", "true"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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CHECK(result.count("bool") == 1);
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CHECK(result["bool"].as<bool>() == true);
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}
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SECTION("With space-separated false") {
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Argv av({"no_implicit", "--bool", "false"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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CHECK(result.count("bool") == 1);
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CHECK(result["bool"].as<bool>() == false);
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}
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}
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TEST_CASE("Default values", "[default]")
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{
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cxxopts::Options options("defaults", "has defaults");
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options.add_options()
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("default", "Has implicit", cxxopts::value<int>()->default_value("42"))
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("v,vector", "Default vector", cxxopts::value<std::vector<int>>()
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->default_value("1,4"))
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;
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SECTION("Sets defaults") {
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Argv av({"implicit"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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CHECK(result.count("default") == 0);
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CHECK(result["default"].as<int>() == 42);
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auto& v = result["vector"].as<std::vector<int>>();
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REQUIRE(v.size() == 2);
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CHECK(v[0] == 1);
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CHECK(v[1] == 4);
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}
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SECTION("When values provided") {
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Argv av({"implicit", "--default", "5"});
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char** argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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CHECK(result.count("default") == 1);
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CHECK(result["default"].as<int>() == 5);
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}
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}
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TEST_CASE("Parse into a reference", "[reference]")
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{
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int value = 0;
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cxxopts::Options options("into_reference", "parses into a reference");
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options.add_options()
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("ref", "A reference", cxxopts::value(value));
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Argv av({"into_reference", "--ref", "42"});
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auto argv = av.argv();
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auto argc = av.argc();
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auto result = options.parse(argc, argv);
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CHECK(result.count("ref") == 1);
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CHECK(value == 42);
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}
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TEST_CASE("Integers", "[options]")
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{
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cxxopts::Options options("parses_integers", "parses integers correctly");
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options.add_options()
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("positional", "Integers", cxxopts::value<std::vector<int>>());
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Argv av({"ints", "--", "5", "6", "-6", "0", "0xab", "0xAf", "0x0"});
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char** argv = av.argv();
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auto argc = av.argc();
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options.parse_positional("positional");
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auto result = options.parse(argc, argv);
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REQUIRE(result.count("positional") == 7);
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auto& positional = result["positional"].as<std::vector<int>>();
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REQUIRE(positional.size() == 7);
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CHECK(positional[0] == 5);
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CHECK(positional[1] == 6);
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CHECK(positional[2] == -6);
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CHECK(positional[3] == 0);
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CHECK(positional[4] == 0xab);
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CHECK(positional[5] == 0xaf);
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CHECK(positional[6] == 0x0);
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}
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TEST_CASE("Leading zero integers", "[options]")
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{
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cxxopts::Options options("parses_integers", "parses integers correctly");
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options.add_options()
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("positional", "Integers", cxxopts::value<std::vector<int>>());
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Argv av({"ints", "--", "05", "06", "0x0ab", "0x0001"});
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char** argv = av.argv();
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auto argc = av.argc();
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options.parse_positional("positional");
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auto result = options.parse(argc, argv);
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REQUIRE(result.count("positional") == 4);
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auto& positional = result["positional"].as<std::vector<int>>();
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REQUIRE(positional.size() == 4);
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CHECK(positional[0] == 5);
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CHECK(positional[1] == 6);
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CHECK(positional[2] == 0xab);
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CHECK(positional[3] == 0x1);
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}
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TEST_CASE("Unsigned integers", "[options]")
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{
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cxxopts::Options options("parses_unsigned", "detects unsigned errors");
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options.add_options()
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("positional", "Integers", cxxopts::value<std::vector<unsigned int>>());
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Argv av({"ints", "--", "-2"});
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char** argv = av.argv();
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auto argc = av.argc();
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options.parse_positional("positional");
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CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::argument_incorrect_type&);
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}
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TEST_CASE("Integer bounds", "[integer]")
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{
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cxxopts::Options options("integer_boundaries", "check min/max integer");
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options.add_options()
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("positional", "Integers", cxxopts::value<std::vector<int8_t>>());
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SECTION("No overflow")
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{
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Argv av({"ints", "--", "127", "-128", "0x7f", "-0x80", "0x7e"});
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auto argv = av.argv();
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auto argc = av.argc();
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options.parse_positional("positional");
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auto result = options.parse(argc, argv);
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REQUIRE(result.count("positional") == 5);
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auto& positional = result["positional"].as<std::vector<int8_t>>();
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CHECK(positional[0] == 127);
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CHECK(positional[1] == -128);
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CHECK(positional[2] == 0x7f);
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CHECK(positional[3] == -0x80);
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CHECK(positional[4] == 0x7e);
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}
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}
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TEST_CASE("Overflow on boundary", "[integer]")
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{
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using namespace cxxopts::values;
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int8_t si;
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uint8_t ui;
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CHECK_THROWS_AS((integer_parser("128", si)), cxxopts::argument_incorrect_type&);
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CHECK_THROWS_AS((integer_parser("-129", si)), cxxopts::argument_incorrect_type&);
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CHECK_THROWS_AS((integer_parser("256", ui)), cxxopts::argument_incorrect_type&);
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CHECK_THROWS_AS((integer_parser("-0x81", si)), cxxopts::argument_incorrect_type&);
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CHECK_THROWS_AS((integer_parser("0x80", si)), cxxopts::argument_incorrect_type&);
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CHECK_THROWS_AS((integer_parser("0x100", ui)), cxxopts::argument_incorrect_type&);
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}
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TEST_CASE("Integer overflow", "[options]")
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{
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using namespace cxxopts::values;
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cxxopts::Options options("reject_overflow", "rejects overflowing integers");
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options.add_options()
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("positional", "Integers", cxxopts::value<std::vector<int8_t>>());
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Argv av({"ints", "--", "128"});
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auto argv = av.argv();
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auto argc = av.argc();
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options.parse_positional("positional");
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CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::argument_incorrect_type&);
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int integer = 0;
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CHECK_THROWS_AS((integer_parser("23423423423", integer)), cxxopts::argument_incorrect_type&);
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CHECK_THROWS_AS((integer_parser("234234234234", integer)), cxxopts::argument_incorrect_type&);
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}
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TEST_CASE("Floats", "[options]")
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{
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cxxopts::Options options("parses_floats", "parses floats correctly");
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options.add_options()
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("double", "Double precision", cxxopts::value<double>())
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("positional", "Floats", cxxopts::value<std::vector<float>>());
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Argv av({"floats", "--double", "0.5", "--", "4", "-4", "1.5e6", "-1.5e6"});
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char** argv = av.argv();
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auto argc = av.argc();
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options.parse_positional("positional");
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auto result = options.parse(argc, argv);
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REQUIRE(result.count("double") == 1);
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REQUIRE(result.count("positional") == 4);
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CHECK(result["double"].as<double>() == 0.5);
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auto& positional = result["positional"].as<std::vector<float>>();
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CHECK(positional[0] == 4);
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CHECK(positional[1] == -4);
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CHECK(positional[2] == 1.5e6);
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CHECK(positional[3] == -1.5e6);
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|
}
|
|
|
|
TEST_CASE("Invalid integers", "[integer]") {
|
|
cxxopts::Options options("invalid_integers", "rejects invalid integers");
|
|
options.add_options()
|
|
("positional", "Integers", cxxopts::value<std::vector<int>>());
|
|
|
|
Argv av({"ints", "--", "Ae"});
|
|
|
|
char **argv = av.argv();
|
|
auto argc = av.argc();
|
|
|
|
options.parse_positional("positional");
|
|
CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::argument_incorrect_type&);
|
|
}
|
|
|
|
TEST_CASE("Booleans", "[boolean]") {
|
|
cxxopts::Options options("parses_floats", "parses floats correctly");
|
|
options.add_options()
|
|
("bool", "A Boolean", cxxopts::value<bool>())
|
|
("debug", "Debugging", cxxopts::value<bool>())
|
|
("timing", "Timing", cxxopts::value<bool>())
|
|
("verbose", "Verbose", cxxopts::value<bool>())
|
|
("dry-run", "Dry Run", cxxopts::value<bool>())
|
|
("noExplicitDefault", "No Explicit Default", cxxopts::value<bool>())
|
|
("defaultTrue", "Timing", cxxopts::value<bool>()->default_value("true"))
|
|
("defaultFalse", "Timing", cxxopts::value<bool>()->default_value("false"))
|
|
("others", "Other arguments", cxxopts::value<std::vector<std::string>>())
|
|
;
|
|
|
|
options.parse_positional("others");
|
|
|
|
Argv av({"booleans", "--bool=false", "--debug=true", "--timing", "--verbose=1", "--dry-run=0", "extra"});
|
|
|
|
char** argv = av.argv();
|
|
auto argc = av.argc();
|
|
|
|
auto result = options.parse(argc, argv);
|
|
|
|
REQUIRE(result.count("bool") == 1);
|
|
REQUIRE(result.count("debug") == 1);
|
|
REQUIRE(result.count("timing") == 1);
|
|
REQUIRE(result.count("verbose") == 1);
|
|
REQUIRE(result.count("dry-run") == 1);
|
|
REQUIRE(result.count("noExplicitDefault") == 0);
|
|
REQUIRE(result.count("defaultTrue") == 0);
|
|
REQUIRE(result.count("defaultFalse") == 0);
|
|
|
|
CHECK(result["bool"].as<bool>() == false);
|
|
CHECK(result["debug"].as<bool>() == true);
|
|
CHECK(result["timing"].as<bool>() == true);
|
|
CHECK(result["verbose"].as<bool>() == true);
|
|
CHECK(result["dry-run"].as<bool>() == false);
|
|
CHECK(result["noExplicitDefault"].as<bool>() == false);
|
|
CHECK(result["defaultTrue"].as<bool>() == true);
|
|
CHECK(result["defaultFalse"].as<bool>() == false);
|
|
|
|
REQUIRE(result.count("others") == 1);
|
|
}
|
|
|
|
TEST_CASE("std::vector", "[vector]") {
|
|
std::vector<double> vector;
|
|
cxxopts::Options options("vector", " - tests vector");
|
|
options.add_options()
|
|
("vector", "an vector option", cxxopts::value<std::vector<double>>(vector));
|
|
|
|
Argv av({"vector", "--vector", "1,-2.1,3,4.5"});
|
|
|
|
char** argv = av.argv();
|
|
auto argc = av.argc();
|
|
|
|
options.parse(argc, argv);
|
|
|
|
REQUIRE(vector.size() == 4);
|
|
CHECK(vector[0] == 1);
|
|
CHECK(vector[1] == -2.1);
|
|
CHECK(vector[2] == 3);
|
|
CHECK(vector[3] == 4.5);
|
|
}
|
|
|
|
#ifdef CXXOPTS_HAS_OPTIONAL
|
|
TEST_CASE("std::optional", "[optional]") {
|
|
std::optional<std::string> optional;
|
|
cxxopts::Options options("optional", " - tests optional");
|
|
options.add_options()
|
|
("optional", "an optional option", cxxopts::value<std::optional<std::string>>(optional));
|
|
|
|
Argv av({"optional", "--optional", "foo"});
|
|
|
|
char** argv = av.argv();
|
|
auto argc = av.argc();
|
|
|
|
options.parse(argc, argv);
|
|
|
|
REQUIRE(optional.has_value());
|
|
CHECK(*optional == "foo");
|
|
}
|
|
#endif
|
|
|
|
TEST_CASE("Unrecognised options", "[options]") {
|
|
cxxopts::Options options("unknown_options", " - test unknown options");
|
|
|
|
options.add_options()
|
|
("long", "a long option")
|
|
("s,short", "a short option");
|
|
|
|
Argv av({
|
|
"unknown_options",
|
|
"--unknown",
|
|
"--long",
|
|
"-su",
|
|
"--another_unknown",
|
|
});
|
|
|
|
char** argv = av.argv();
|
|
auto argc = av.argc();
|
|
|
|
SECTION("Default behaviour") {
|
|
CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::option_not_exists_exception&);
|
|
}
|
|
|
|
SECTION("After allowing unrecognised options") {
|
|
options.allow_unrecognised_options();
|
|
CHECK_NOTHROW(options.parse(argc, argv));
|
|
REQUIRE(argc == 3);
|
|
CHECK_THAT(argv[1], Catch::Equals("--unknown"));
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Allow bad short syntax", "[options]") {
|
|
cxxopts::Options options("unknown_options", " - test unknown options");
|
|
|
|
options.add_options()
|
|
("long", "a long option")
|
|
("s,short", "a short option");
|
|
|
|
Argv av({
|
|
"unknown_options",
|
|
"-some_bad_short",
|
|
});
|
|
|
|
char** argv = av.argv();
|
|
auto argc = av.argc();
|
|
|
|
SECTION("Default behaviour") {
|
|
CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::option_syntax_exception&);
|
|
}
|
|
|
|
SECTION("After allowing unrecognised options") {
|
|
options.allow_unrecognised_options();
|
|
CHECK_NOTHROW(options.parse(argc, argv));
|
|
REQUIRE(argc == 2);
|
|
CHECK_THAT(argv[1], Catch::Equals("-some_bad_short"));
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Invalid option syntax", "[options]") {
|
|
cxxopts::Options options("invalid_syntax", " - test invalid syntax");
|
|
|
|
Argv av({
|
|
"invalid_syntax",
|
|
"--a",
|
|
});
|
|
|
|
char** argv = av.argv();
|
|
auto argc = av.argc();
|
|
|
|
SECTION("Default behaviour") {
|
|
CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::option_syntax_exception&);
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Options empty", "[options]") {
|
|
cxxopts::Options options("Options list empty", " - test empty option list");
|
|
options.add_options();
|
|
options.add_options("");
|
|
options.add_options("", {});
|
|
options.add_options("test");
|
|
|
|
Argv argv_({
|
|
"test",
|
|
"--unknown"
|
|
});
|
|
auto argc = argv_.argc();
|
|
char** argv = argv_.argv();
|
|
|
|
CHECK(options.groups().empty());
|
|
CHECK_THROWS_AS(options.parse(argc, argv), cxxopts::option_not_exists_exception&);
|
|
}
|
|
|
|
TEST_CASE("Initializer list with group", "[options]") {
|
|
cxxopts::Options options("Initializer list group", " - test initializer list with group");
|
|
|
|
options.add_options("", {
|
|
{"a, address", "server address", cxxopts::value<std::string>()->default_value("127.0.0.1")},
|
|
{"p, port", "server port", cxxopts::value<std::string>()->default_value("7110"), "PORT"},
|
|
});
|
|
|
|
cxxopts::Option help{"h,help", "Help"};
|
|
|
|
options.add_options("TEST_GROUP", {
|
|
{"t, test", "test option"},
|
|
help
|
|
});
|
|
|
|
Argv argv({
|
|
"test",
|
|
"--address",
|
|
"10.0.0.1",
|
|
"-p",
|
|
"8000",
|
|
"-t",
|
|
});
|
|
char** actual_argv = argv.argv();
|
|
auto argc = argv.argc();
|
|
auto result = options.parse(argc, actual_argv);
|
|
|
|
CHECK(options.groups().size() == 2);
|
|
CHECK(result.count("address") == 1);
|
|
CHECK(result.count("port") == 1);
|
|
CHECK(result.count("test") == 1);
|
|
CHECK(result.count("help") == 0);
|
|
CHECK(result["address"].as<std::string>() == "10.0.0.1");
|
|
CHECK(result["port"].as<std::string>() == "8000");
|
|
CHECK(result["test"].as<bool>() == true);
|
|
}
|
|
|
|
TEST_CASE("Option add with add_option(string, Option)", "[options]") {
|
|
cxxopts::Options options("Option add with add_option", " - test Option add with add_option(string, Option)");
|
|
|
|
cxxopts::Option option_1("t,test", "test option", cxxopts::value<int>()->default_value("7"), "TEST");
|
|
|
|
options.add_option("", option_1);
|
|
options.add_option("TEST", {"a,aggregate", "test option 2", cxxopts::value<int>(), "AGGREGATE"});
|
|
|
|
Argv argv_({
|
|
"test",
|
|
"--test",
|
|
"5",
|
|
"-a",
|
|
"4"
|
|
});
|
|
auto argc = argv_.argc();
|
|
char** argv = argv_.argv();
|
|
auto result = options.parse(argc, argv);
|
|
|
|
CHECK(result.arguments().size()==2);
|
|
CHECK(options.groups().size() == 2);
|
|
CHECK(result.count("address") == 0);
|
|
CHECK(result.count("aggregate") == 1);
|
|
CHECK(result.count("test") == 1);
|
|
CHECK(result["aggregate"].as<int>() == 4);
|
|
CHECK(result["test"].as<int>() == 5);
|
|
}
|