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feat: Add test for Ordering of multiple long options

This commit is contained in:
lazysegtree 2026-01-12 20:21:06 +05:30
parent 0f1c5a0a79
commit c9dfa286a2
1 changed files with 31 additions and 0 deletions
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31
test/options.cpp
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@ -1191,3 +1191,34 @@ TEST_CASE("No Options help", "[options]")
CHECK_NOTHROW(options.parse(argc, argv));
CHECK(options.help().find("test <posArg1>...<posArgN>") != std::string::npos);
}
TEST_CASE("Ordering of multiple long options", "[help]")
{
cxxopts::Options options("test", "Ordering of multiple long options");
options.add_options()
("x,alphax,betax,gammax,deltax", "Multiple names x", cxxopts::value<int>())
("deltay,gammay,y,betay,alphay", "Multiple names y", cxxopts::value<int>())
("alphaz,betaz,z", "Multiple names z", cxxopts::value<int>())
("alphaw,w", "Multiple names w", cxxopts::value<int>())
("beta,gamma,alpha,delta", "Without short name", cxxopts::value<int>());
auto opts = options.group_help("").options;
// Veryfiy ordering
REQUIRE(opts.size()==5);
CHECK(opts[0].l == std::vector<std::string>{"alphax", "betax", "gammax", "deltax"});
CHECK(opts[1].l == std::vector<std::string>{"deltay", "gammay", "betay", "alphay"});
CHECK(opts[2].l == std::vector<std::string>{"alphaz", "betaz"});
CHECK(opts[3].l == std::vector<std::string>{"alphaw"});
CHECK(opts[4].l == std::vector<std::string>{"beta", "gamma", "alpha", "delta"});
std::string help = options.help();
// Verify first long options are always present in help output
CHECK(help.find("--alphax") != std::string::npos);
CHECK(help.find("--deltay") != std::string::npos);
CHECK(help.find("--alphaz") != std::string::npos);
CHECK(help.find("--alphaw") != std::string::npos);
CHECK(help.find("--beta") != std::string::npos);
}