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CLI11/tests/OptionTypeTest.cpp
Philip Top cbbf20ed93
Ci build update (#1151) 
update ci build images, remove ubuntu 20.04 and update a few others, fix some newer clang-tidy warnings

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2025-04-19 09:14:59 -07:00

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// Copyright (c) 2017-2025, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#include "app_helper.hpp"
#include "catch.hpp"
#include <algorithm>
#include <array>
#include <atomic>
#include <cmath>
#include <complex>
#include <cstdint>
#include <cstdlib>
#include <deque>
#include <forward_list>
#include <limits>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using Catch::Matchers::WithinRel;
TEST_CASE_METHOD(TApp, "OneStringAgain", "[optiontype]") {
std::string str;
app.add_option("-s,--string", str);
args = {"--string", "mystring"};
run();
CHECK(app.count("-s") == 1u);
CHECK(app.count("--string") == 1u);
CHECK("mystring" == str);
}
TEST_CASE_METHOD(TApp, "OneStringFunction", "[optiontype]") {
std::string str;
app.add_option_function<std::string>("-s,--string", [&str](const std::string &val) { str = val; });
args = {"--string", "mystring"};
run();
CHECK(app.count("-s") == 1u);
CHECK(app.count("--string") == 1u);
CHECK("mystring" == str);
}
TEST_CASE_METHOD(TApp, "doubleFunction", "[optiontype]") {
double res{0.0};
app.add_option_function<double>("--val", [&res](double val) { res = std::abs(val + 54); });
args = {"--val", "-354.356"};
run();
CHECK_THAT(res, WithinRel(300.356));
// get the original value as entered as an integer
CHECK_THAT(app["--val"]->as<float>(), WithinRel(-354.356f));
}
TEST_CASE_METHOD(TApp, "doubleFunctionFail", "[optiontype]") {
double res = NAN;
app.add_option_function<double>("--val", [&res](double val) { res = std::abs(val + 54); });
args = {"--val", "not_double"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
TEST_CASE_METHOD(TApp, "doubleVectorFunction", "[optiontype]") {
std::vector<double> res;
app.add_option_function<std::vector<double>>("--val", [&res](const std::vector<double> &val) {
res = val;
std::transform(res.begin(), res.end(), res.begin(), [](double v) { return v + 5.0; });
});
args = {"--val", "5", "--val", "6", "--val", "7"};
run();
CHECK(3u == res.size());
CHECK_THAT(res[0], WithinRel(10.0));
CHECK_THAT(res[2], WithinRel(12.0));
}
TEST_CASE_METHOD(TApp, "doubleVectorFunctionFail", "[optiontype]") {
std::vector<double> res;
std::string vstring = "--val";
app.add_option_function<std::vector<double>>(vstring, [&res](const std::vector<double> &val) {
res = val;
std::transform(res.begin(), res.end(), res.begin(), [](double v) { return v + 5.0; });
});
args = {"--val", "five", "--val", "nine", "--val", "7"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
// check that getting the results through the results function generates the same error
CHECK_THROWS_AS(app[vstring]->results(res), CLI::ConversionError);
auto strvec = app[vstring]->as<std::vector<std::string>>();
CHECK(3u == strvec.size());
}
TEST_CASE_METHOD(TApp, "doubleVectorFunctionRunCallbackOnDefault", "[optiontype]") {
std::vector<double> res;
auto *opt = app.add_option_function<std::vector<double>>("--val", [&res](const std::vector<double> &val) {
res = val;
std::transform(res.begin(), res.end(), res.begin(), [](double v) { return v + 5.0; });
});
args = {"--val", "5", "--val", "6", "--val", "7"};
run();
CHECK(3u == res.size());
CHECK(10.0 == res[0]);
CHECK(12.0 == res[2]);
CHECK(!opt->get_run_callback_for_default());
opt->run_callback_for_default();
opt->default_val(std::vector<int>{2, 1, -2});
CHECK(7.0 == res[0]);
CHECK(3.0 == res[2]);
CHECK_THROWS_AS(opt->default_val("this is a string"), CLI::ConversionError);
auto vec = opt->as<std::vector<double>>();
REQUIRE(3U == vec.size());
CHECK(5.0 == vec[0]);
CHECK(7.0 == vec[2]);
opt->check(CLI::Number);
opt->run_callback_for_default(false);
CHECK_THROWS_AS(opt->default_val("this is a string"), CLI::ValidationError);
}
TEST_CASE_METHOD(TApp, "BoolAndIntFlags", "[optiontype]") {
bool bflag{false};
int iflag{0};
unsigned int uflag{0};
app.add_flag("-b", bflag);
app.add_flag("-i", iflag);
app.add_flag("-u", uflag);
args = {"-b", "-i", "-u"};
run();
CHECK(bflag);
CHECK(iflag == 1);
CHECK(uflag == (unsigned int)1);
args = {"-b", "-b"};
REQUIRE_NOTHROW(run());
CHECK(bflag);
bflag = false;
args = {"-iiiuu"};
run();
CHECK(!bflag);
CHECK(iflag == 3);
CHECK(uflag == (unsigned int)2);
}
TEST_CASE_METHOD(TApp, "atomic_bool_flags", "[optiontype]") {
std::atomic<bool> bflag{false};
std::atomic<int> iflag{0};
app.add_flag("-b", bflag);
app.add_flag("-i,--int", iflag)->multi_option_policy(CLI::MultiOptionPolicy::Sum);
args = {"-b", "-i"};
run();
CHECK(bflag.load());
CHECK(iflag.load() == 1);
args = {"-b", "-b"};
REQUIRE_NOTHROW(run());
CHECK(bflag.load());
bflag = false;
args = {"-iii"};
run();
CHECK(!bflag.load());
CHECK(iflag.load() == 3);
args = {"--int=notanumber"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
TEST_CASE_METHOD(TApp, "BoolOption", "[optiontype]") {
bool bflag{false};
app.add_option("-b", bflag);
args = {"-b", "false"};
run();
CHECK(!bflag);
args = {"-b", "1"};
run();
CHECK(bflag);
args = {"-b", "-7"};
run();
CHECK(!bflag);
// cause an out of bounds error internally
args = {"-b", "751615654161688126132138844896646748852"};
run();
CHECK(bflag);
args = {"-b", "-751615654161688126132138844896646748852"};
run();
CHECK(!bflag);
}
TEST_CASE_METHOD(TApp, "atomic_int_option", "[optiontype]") {
std::atomic<int> i{0};
auto *aopt = app.add_option("-i,--int", i);
args = {"-i4"};
run();
CHECK(app.count("--int") == 1u);
CHECK(app.count("-i") == 1u);
CHECK(4 == i);
CHECK("4" == app["-i"]->as<std::string>());
CHECK(4.0 == app["--int"]->as<double>());
args = {"--int", "notAnInt"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
aopt->expected(0, 1);
args = {"--int"};
run();
CHECK(0 == i);
}
static const std::map<std::string, double> testValuesDouble{
{"3.14159", 3.14159},
{"-3.14159", -3.14159},
{"-3.14159\t", -3.14159},
{"-3.14159 ", -3.14159},
{"+1.0", 1.0},
{"-0.01", -0.01},
{"-.01", -0.01},
{"-.3251", -0.3251},
{"+.3251", 0.3251},
{"5e22", 5e22},
{" 5e22", 5e22},
{" 5e22 ", 5e22},
{"-2E-2", -2e-2},
{"5e+22", 5e22},
{"1e06", 1e6},
{"6.626e-34", 6.626e-34},
{"6.626e+34", 6.626e34},
{"-6.626e-34", -6.626e-34},
{"224_617.445_991", 224617.445991},
{"224'617.445'991", 224617.445991},
{"inf", std::numeric_limits<double>::infinity()},
{"+inf", std::numeric_limits<double>::infinity()},
{"-inf", -std::numeric_limits<double>::infinity()},
{"nan", std::numeric_limits<double>::signaling_NaN()},
{"+nan", std::numeric_limits<double>::signaling_NaN()},
{"-nan", -std::numeric_limits<double>::signaling_NaN()},
};
TEST_CASE_METHOD(TApp, "floatingConversions", "[optiontype]") {
auto test_data = GENERATE(from_range(testValuesDouble));
double val{0};
app.add_option("--val", val);
args = {"--val", test_data.first};
run();
if(std::isnan(test_data.second)) {
CHECK(std::isnan(val));
} else {
CHECK_THAT(val, WithinRel(test_data.second, 1e-11));
}
}
static const std::map<std::string, std::int64_t> testValuesInt{
{"+99", 99},
{"99", 99},
{"-99", -99},
{"-99 ", -99},
{"0xDEADBEEF", 0xDEADBEEF},
{"0xdeadbeef", 0xDEADBEEF},
{"0XDEADBEEF", 0xDEADBEEF},
{"0Xdeadbeef", 0xDEADBEEF},
{"0xdead_beef", 0xDEADBEEF},
{"0xdead'beef", 0xDEADBEEF},
{"0o01234567", 001234567},
{"0o755", 0755},
{"0755", 0755},
{"995862_262", 995862262},
{"995862262", 995862262},
{"-995862275", -995862275},
{"\t-995862275\t", -995862275},
{"-995'862'275", -995862275},
{"0b11010110", 0xD6},
{"0b1101'0110", 0xD6},
{"0B11010110", 0xD6},
{"0B1101'0110", 0xD6},
{"1_2_3_4_5", 12345},
};
TEST_CASE_METHOD(TApp, "intConversions", "[optiontype]") {
auto test_data = GENERATE(from_range(testValuesInt));
std::int64_t val{0};
app.add_option("--val", val);
args = {"--val", test_data.first};
run();
CHECK(val == test_data.second);
}
TEST_CASE_METHOD(TApp, "intConversionsErange", "[optiontype]") {
std::int64_t val{0};
app.add_option("--val", val);
args = {"--val", "0o11545241241415151512312415123125667"};
CHECK_THROWS_AS(run(), CLI::ParseError);
args = {"--val", "0b1011000001101011001100110011111000101010101011111111111111111111111001010111011100"};
CHECK_THROWS_AS(run(), CLI::ParseError);
args = {"--val", "0B1011000001101011001100110011111000101010101011111111111111111111111001010111011100"};
CHECK_THROWS_AS(run(), CLI::ParseError);
}
static const std::map<std::string, std::uint64_t> testValuesUInt{
{"+99", 99},
{"99", 99},
{" 99 ", 99},
{"0xDEADBEEF", 0xDEADBEEF},
{"0xdeadbeef", 0xDEADBEEF},
{"0XDEADBEEF", 0xDEADBEEF},
{"0Xdeadbeef", 0xDEADBEEF},
{"0xdead_beef", 0xDEADBEEF},
{"0xdead'beef", 0xDEADBEEF},
{"0o01234567", 001234567},
{"0o755", 0755},
{"0o755\t", 0755},
{"0755", 0755},
{"995862_262", 995862262},
{"995862262", 995862262},
{"+995862275", +995862275},
{"+995862275 \n\t", +995862275},
{"995'862'275", 995862275},
{"0b11010110", 0xD6},
{"0b1101'0110", 0xD6},
{"0b1101'0110 ", 0xD6},
{"0B11010110", 0xD6},
{"0B1101'0110", 0xD6},
{"1_2_3_4_5", 12345},
};
TEST_CASE_METHOD(TApp, "uintConversions", "[optiontype]") {
auto test_data = GENERATE(from_range(testValuesUInt));
std::uint64_t val{0};
app.add_option("--val", val);
args = {"--val", test_data.first};
run();
CHECK(val == test_data.second);
}
TEST_CASE_METHOD(TApp, "uintConversionsErange", "[optiontype]") {
std::uint64_t val{0};
app.add_option("--val", val);
args = {"--val", "0o11545241241415151512312415123125667"};
CHECK_THROWS_AS(run(), CLI::ParseError);
args = {"--val", "0b1011000001101011001100110011111000101010101011111111111111111111111001010111011100"};
CHECK_THROWS_AS(run(), CLI::ParseError);
args = {"--val", "0B1011000001101011001100110011111000101010101011111111111111111111111001010111011100"};
CHECK_THROWS_AS(run(), CLI::ParseError);
}
TEST_CASE_METHOD(TApp, "CharOption", "[optiontype]") {
char c1{'t'};
app.add_option("-c", c1);
args = {"-c", "g"};
run();
CHECK('g' == c1);
args = {"-c", "1"};
run();
CHECK('1' == c1);
args = {"-c", "77"};
run();
CHECK(77 == c1);
// convert hex for digit
args = {"-c", "0x44"};
run();
CHECK(0x44 == c1);
args = {"-c", "751615654161688126132138844896646748852"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
TEST_CASE_METHOD(TApp, "vectorDefaults", "[optiontype]") {
std::vector<int> vals{4, 5};
auto *opt = app.add_option("--long", vals)->capture_default_str();
args = {"--long", "[1,2,3]"};
run();
CHECK(std::vector<int>({1, 2, 3}) == vals);
args.clear();
run();
auto res = app["--long"]->as<std::vector<int>>();
CHECK(std::vector<int>({4, 5}) == res);
app.clear();
opt->expected(1)->take_last();
res = app["--long"]->as<std::vector<int>>();
CHECK(std::vector<int>({5}) == res);
opt->take_first();
res = app["--long"]->as<std::vector<int>>();
CHECK(std::vector<int>({4}) == res);
opt->expected(0, 1)->take_last();
run();
CHECK(std::vector<int>({4}) == res);
res = app["--long"]->as<std::vector<int>>();
CHECK(std::vector<int>({5}) == res);
}
TEST_CASE_METHOD(TApp, "mapInput", "[optiontype]") {
std::map<int, std::string> vals{};
app.add_option("--long", vals);
args = {"--long", "5", "test"};
run();
CHECK(vals.at(5) == "test");
}
TEST_CASE_METHOD(TApp, "CallbackBoolFlags", "[optiontype]") {
bool value{false};
auto func = [&value]() { value = true; };
auto *cback = app.add_flag_callback("--val", func);
args = {"--val"};
run();
CHECK(value);
value = false;
args = {"--val=false"};
run();
CHECK(!value);
CHECK_THROWS_AS(app.add_flag_callback("hi", func), CLI::IncorrectConstruction);
cback->multi_option_policy(CLI::MultiOptionPolicy::Throw);
args = {"--val", "--val=false"};
CHECK_THROWS_AS(run(), CLI::ArgumentMismatch);
}
TEST_CASE_METHOD(TApp, "pair_check", "[optiontype]") {
std::string myfile{"pair_check_file.txt"};
bool ok = static_cast<bool>(std::ofstream(myfile.c_str()).put('a')); // create file
CHECK(ok);
CHECK(CLI::ExistingFile(myfile).empty());
std::pair<std::string, int> findex;
auto v0 = CLI::ExistingFile;
v0.application_index(0);
auto v1 = CLI::PositiveNumber;
v1.application_index(1);
app.add_option("--file", findex)->check(v0)->check(v1);
args = {"--file", myfile, "2"};
CHECK_NOTHROW(run());
CHECK(myfile == findex.first);
CHECK(2 == findex.second);
args = {"--file", myfile, "-3"};
CHECK_THROWS_AS(run(), CLI::ValidationError);
args = {"--file", myfile, "2"};
std::remove(myfile.c_str());
CHECK_THROWS_AS(run(), CLI::ValidationError);
}
TEST_CASE_METHOD(TApp, "pair_check_string", "[optiontype]") {
std::string myfile{"pair_check_file.txt"};
bool ok = static_cast<bool>(std::ofstream(myfile.c_str()).put('a')); // create file
CHECK(ok);
CHECK(CLI::ExistingFile(myfile).empty());
std::pair<std::string, std::string> findex;
auto v0 = CLI::ExistingFile;
v0.application_index(0);
auto v1 = CLI::PositiveNumber;
v1.application_index(1);
app.add_option("--file", findex)->check(v0)->check(v1);
args = {"--file", myfile, "2"};
CHECK_NOTHROW(run());
CHECK(myfile == findex.first);
CHECK("2" == findex.second);
args = {"--file", myfile, "-3"};
CHECK_THROWS_AS(run(), CLI::ValidationError);
args = {"--file", myfile, "2"};
std::remove(myfile.c_str());
CHECK_THROWS_AS(run(), CLI::ValidationError);
}
TEST_CASE_METHOD(TApp, "pair_check_take_first", "[optiontype]") {
std::string myfile{"pair_check_file2.txt"};
bool ok = static_cast<bool>(std::ofstream(myfile.c_str()).put('a')); // create file
CHECK(ok);
CHECK(CLI::ExistingFile(myfile).empty());
std::pair<std::string, int> findex;
auto *opt = app.add_option("--file", findex)->check(CLI::ExistingFile)->check(CLI::PositiveNumber);
CHECK_THROWS_AS(opt->get_validator(3), CLI::OptionNotFound);
opt->get_validator(0)->application_index(0);
opt->get_validator(1)->application_index(1);
opt->multi_option_policy(CLI::MultiOptionPolicy::TakeLast);
args = {"--file", "not_a_file.txt", "-16", "--file", myfile, "2"};
// should only check the last one
CHECK_NOTHROW(run());
CHECK(myfile == findex.first);
CHECK(2 == findex.second);
opt->multi_option_policy(CLI::MultiOptionPolicy::TakeFirst);
CHECK_THROWS_AS(run(), CLI::ValidationError);
}
TEST_CASE_METHOD(TApp, "VectorFixedString", "[optiontype]") {
std::vector<std::string> strvec;
std::vector<std::string> answer{"mystring", "mystring2", "mystring3"};
CLI::Option *opt = app.add_option("-s,--string", strvec)->expected(3);
CHECK(opt->get_expected() == 3);
args = {"--string", "mystring", "mystring2", "mystring3"};
run();
CHECK(app.count("--string") == 3u);
CHECK(strvec == answer);
}
TEST_CASE_METHOD(TApp, "VectorDefaultedFixedString", "[optiontype]") {
std::vector<std::string> strvec{"one"};
std::vector<std::string> answer{"mystring", "mystring2", "mystring3"};
CLI::Option *opt = app.add_option("-s,--string", strvec, "")->expected(3)->capture_default_str();
CHECK(opt->get_expected() == 3);
args = {"--string", "mystring", "mystring2", "mystring3"};
run();
CHECK(app.count("--string") == 3u);
CHECK(strvec == answer);
}
TEST_CASE_METHOD(TApp, "VectorIndexedValidator", "[optiontype]") {
std::vector<int> vvec;
CLI::Option *opt = app.add_option("-v", vvec);
args = {"-v", "1", "-1", "-v", "3", "-v", "-976"};
run();
CHECK(app.count("-v") == 4u);
CHECK(vvec.size() == 4u);
opt->check(CLI::PositiveNumber.application_index(0));
opt->check((!CLI::PositiveNumber).application_index(1));
CHECK_NOTHROW(run());
CHECK(vvec.size() == 4u);
// v[3] would be negative
opt->check(CLI::PositiveNumber.application_index(3));
CHECK_THROWS_AS(run(), CLI::ValidationError);
}
TEST_CASE_METHOD(TApp, "IntegerOverFlowShort", "[optiontype]") {
std::int16_t A{0};
std::uint16_t B{0};
app.add_option("-a", A);
app.add_option("-b", B);
args = {"-a", "2626254242"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "2626254242"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "-26262"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "-262624262525"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
TEST_CASE_METHOD(TApp, "IntegerOverFlowInt", "[optiontype]") {
int A{0};
unsigned int B{0};
app.add_option("-a", A);
app.add_option("-b", B);
args = {"-a", "262625424225252"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "262625424225252"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "-2626225252"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "-26262426252525252"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
TEST_CASE_METHOD(TApp, "IntegerOverFlowLong", "[optiontype]") {
std::int32_t A{0};
std::uint32_t B{0};
app.add_option("-a", A);
app.add_option("-b", B);
args = {"-a", "1111111111111111111111111111"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "1111111111111111111111111111"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "-2626225252"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "-111111111111111111111111"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
TEST_CASE_METHOD(TApp, "IntegerOverFlowLongLong", "[optiontype]") {
std::int64_t A{0};
std::uint64_t B{0};
app.add_option("-a", A);
app.add_option("-b", B);
args = {"-a", "1111111111111111111111111111111111111111111111111111111111"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "1111111111111111111111111111111111111111111111111111111111"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "-2626225252"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"-b", "-111111111111111111111111111111111111111111111111111111111"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
TEST_CASE_METHOD(TApp, "VectorUnlimString", "[optiontype]") {
std::vector<std::string> strvec;
std::vector<std::string> answer{"mystring", "mystring2", "mystring3"};
CLI::Option *opt = app.add_option("-s,--string", strvec);
CHECK(opt->get_expected() == 1);
CHECK(opt->get_expected_max() == CLI::detail::expected_max_vector_size);
args = {"--string", "mystring", "mystring2", "mystring3"};
run();
CHECK(app.count("--string") == 3u);
CHECK(strvec == answer);
args = {"-s", "mystring", "mystring2", "mystring3"};
run();
CHECK(app.count("--string") == 3u);
CHECK(strvec == answer);
}
// From https://github.com/CLIUtils/CLI11/issues/420
TEST_CASE_METHOD(TApp, "stringLikeTests", "[optiontype]") {
struct nType {
explicit nType(std::string a_value) : m_value{std::move(a_value)} {}
explicit operator std::string() const { return std::string{"op str"}; }
std::string m_value;
};
nType m_type{"abc"};
app.add_option("--type", m_type, "type")->capture_default_str();
run();
CHECK("op str" == app["--type"]->as<std::string>());
args = {"--type", "bca"};
run();
CHECK("op str" == std::string(m_type));
CHECK("bca" == m_type.m_value);
}
TEST_CASE_METHOD(TApp, "VectorExpectedRange", "[optiontype]") {
std::vector<std::string> strvec;
CLI::Option *opt = app.add_option("--string", strvec);
opt->expected(2, 4)->multi_option_policy(CLI::MultiOptionPolicy::Throw);
args = {"--string", "mystring", "mystring2", "mystring3"};
run();
CHECK(app.count("--string") == 3u);
args = {"--string", "mystring"};
CHECK_THROWS_AS(run(), CLI::ArgumentMismatch);
args = {"--string", "mystring", "mystring2", "string2", "--string", "string4", "string5"};
CHECK_THROWS_AS(run(), CLI::ArgumentMismatch);
CHECK(4 == opt->get_expected_max());
CHECK(2 == opt->get_expected_min());
opt->expected(4, 2); // just test the handling of reversed arguments
CHECK(4 == opt->get_expected_max());
CHECK(2 == opt->get_expected_min());
opt->expected(-5);
CHECK(5 == opt->get_expected_max());
CHECK(5 == opt->get_expected_min());
opt->expected(-5, 7);
CHECK(7 == opt->get_expected_max());
CHECK(5 == opt->get_expected_min());
}
TEST_CASE_METHOD(TApp, "VectorFancyOpts", "[optiontype]") {
std::vector<std::string> strvec;
std::vector<std::string> answer{"mystring", "mystring2", "mystring3"};
CLI::Option *opt = app.add_option("-s,--string", strvec)->required()->expected(3);
CHECK(opt->get_expected() == 3);
args = {"--string", "mystring", "mystring2", "mystring3"};
run();
CHECK(app.count("--string") == 3u);
CHECK(strvec == answer);
args = {"one", "two"};
CHECK_THROWS_AS(run(), CLI::RequiredError);
CHECK_THROWS_AS(run(), CLI::ParseError);
}
// #87
TEST_CASE_METHOD(TApp, "CustomDoubleOption", "[optiontype]") {
std::pair<int, double> custom_opt;
auto *opt = app.add_option("posit", [&custom_opt](CLI::results_t vals) {
custom_opt = {stol(vals.at(0)), stod(vals.at(1))};
return true;
});
opt->type_name("INT FLOAT")->type_size(2);
args = {"12", "1.5"};
run();
CHECK(12 == custom_opt.first);
CHECK(1.5 == Approx(custom_opt.second));
}
// now with tuple support this is possible
TEST_CASE_METHOD(TApp, "CustomDoubleOptionAlt", "[optiontype]") {
std::pair<int, double> custom_opt;
app.add_option("posit", custom_opt);
args = {"12", "1.5"};
run();
CHECK(12 == custom_opt.first);
CHECK(1.5 == Approx(custom_opt.second));
}
// now with tuple support this is possible
TEST_CASE_METHOD(TApp, "floatPair", "[optiontype]") {
std::pair<float, float> custom_opt;
auto *opt = app.add_option("--fp", custom_opt)->delimiter(',');
opt->default_str("3.4,2.7");
args = {"--fp", "12", "1.5"};
run();
CHECK(12.0f == Approx(custom_opt.first));
CHECK(1.5f == Approx(custom_opt.second));
args = {};
opt->force_callback();
run();
CHECK(3.4f == Approx(custom_opt.first));
CHECK(2.7f == Approx(custom_opt.second));
}
// now with tuple support this is possible
TEST_CASE_METHOD(TApp, "doubleVector", "[optiontype]") {
std::vector<double> custom_opt;
app.add_option("--fp", custom_opt);
args = {"--fp", "12.7", "1.5"};
run();
CHECK(12.7 == Approx(custom_opt[0]));
CHECK(1.5 == Approx(custom_opt[1]));
args = {"--fp", "12.7", "-.5"};
run();
CHECK(12.7 == Approx(custom_opt[0]));
CHECK(-0.5 == Approx(custom_opt[1]));
args = {"--fp", "-.7", "+.5"};
run();
CHECK(-0.7 == Approx(custom_opt[0]));
CHECK(0.5 == Approx(custom_opt[1]));
}
// now with independent type sizes and expected this is possible
TEST_CASE_METHOD(TApp, "vectorPair", "[optiontype]") {
std::vector<std::pair<int, std::string>> custom_opt;
auto *opt = app.add_option("--dict", custom_opt);
args = {"--dict", "1", "str1", "--dict", "3", "str3"};
run();
REQUIRE(2u == custom_opt.size());
CHECK(1 == custom_opt[0].first);
CHECK("str3" == custom_opt[1].second);
args = {"--dict", "1", "str1", "--dict", "3", "str3", "--dict", "-1", "str4"};
run();
REQUIRE(3u == custom_opt.size());
CHECK(-1 == custom_opt[2].first);
CHECK("str4" == custom_opt[2].second);
opt->check(CLI::PositiveNumber.application_index(0));
CHECK_THROWS_AS(run(), CLI::ValidationError);
}
// now with independent type sizes and expected this is possible
TEST_CASE_METHOD(TApp, "vectorArray", "[optiontype]") {
std::vector<std::array<int, 3>> custom_opt;
auto *opt = app.add_option("--set", custom_opt);
args = {"--set", "1", "2", "3", "--set", "3", "4", "5"};
run();
REQUIRE(2u == custom_opt.size());
CHECK(1 == custom_opt[0][0]);
CHECK(4 == custom_opt[1][1]);
CHECK(opt->get_type_size() == 3);
}
TEST_CASE_METHOD(TApp, "vectorPairFail", "[optiontype]") {
std::vector<std::pair<int, std::string>> custom_opt;
app.add_option("--dict", custom_opt);
args = {"--dict", "1", "str1", "--dict", "str3", "1"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
TEST_CASE_METHOD(TApp, "vectorPairFail2", "[optiontype]") {
std::vector<std::pair<int, int>> custom_opt;
auto *opt = app.add_option("--pairs", custom_opt);
args = {"--pairs", "1", "2", "3", "4"};
run();
CHECK(custom_opt.size() == 2U);
args = {"--pairs", "1", "2", "3"};
CHECK_THROWS_AS(run(), CLI::ArgumentMismatch);
// now change the type size to explicitly allow 1 or 2
opt->type_size(1, 2);
run();
CHECK(custom_opt.size() == 2U);
}
TEST_CASE_METHOD(TApp, "vectorPairTypeRange", "[optiontype]") {
std::vector<std::pair<int, std::string>> custom_opt;
auto *opt = app.add_option("--dict", custom_opt);
opt->type_size(2, 1); // just test switched arguments
CHECK(1 == opt->get_type_size_min());
CHECK(2 == opt->get_type_size_max());
args = {"--dict", "1", "str1", "--dict", "3", "str3"};
run();
REQUIRE(2u == custom_opt.size());
CHECK(1 == custom_opt[0].first);
CHECK("str3" == custom_opt[1].second);
args = {"--dict", "1", "str1", "--dict", "3", "--dict", "-1", "str4"};
run();
REQUIRE(3u == custom_opt.size());
CHECK(custom_opt[1].second.empty());
CHECK(-1 == custom_opt[2].first);
CHECK("str4" == custom_opt[2].second);
opt->type_size(-2, -1); // test negative arguments
CHECK(1 == opt->get_type_size_min());
CHECK(2 == opt->get_type_size_max());
// this type size spec should run exactly as before
run();
REQUIRE(3u == custom_opt.size());
CHECK(custom_opt[1].second.empty());
CHECK(-1 == custom_opt[2].first);
CHECK("str4" == custom_opt[2].second);
}
TEST_CASE_METHOD(TApp, "ArrayTriple", "[optiontype]") {
using TY = std::array<int, 3>;
TY custom_opt;
app.add_option("posit", custom_opt);
args = {"12", "1", "5"};
run();
CHECK(12 == custom_opt[0]);
CHECK(1 == custom_opt[1]);
CHECK(5 == custom_opt[2]);
// enable_if_t<!std::is_convertible<T, std::string>::value && !std::is_constructible<std::string, T>::value &&
// !is_ostreamable<T>::value && is_tuple_like<T>::value && type_count_base<T>::value >= 2,
// detail::enabler>>
CHECK(!std::is_convertible<TY, std::string>::value);
CHECK(!std::is_constructible<std::string, TY>::value);
CHECK(!CLI::detail::is_ostreamable<TY>::value);
auto ts = std::tuple_size<typename std::decay<TY>::type>::value;
CHECK(ts == 3);
auto vb = CLI::detail::type_count_base<TY>::value;
CHECK(vb >= 2);
CHECK(!CLI::detail::is_complex<TY>::value);
CHECK(CLI::detail::is_tuple_like<TY>::value);
}
TEST_CASE_METHOD(TApp, "ArrayPair", "[optiontype]") {
using TY = std::array<int, 2>;
TY custom_opt;
app.add_option("posit", custom_opt);
args = {"12", "1"};
run();
CHECK(12 == custom_opt[0]);
CHECK(1 == custom_opt[1]);
}
// now with independent type sizes and expected this is possible
TEST_CASE_METHOD(TApp, "vectorTuple", "[optiontype]") {
std::vector<std::tuple<int, std::string, double>> custom_opt;
auto *opt = app.add_option("--dict", custom_opt);
args = {"--dict", "1", "str1", "4.3", "--dict", "3", "str3", "2.7"};
run();
REQUIRE(2u == custom_opt.size());
CHECK(1 == std::get<0>(custom_opt[0]));
CHECK("str3" == std::get<1>(custom_opt[1]));
CHECK(2.7 == std::get<2>(custom_opt[1]));
args = {"--dict", "1", "str1", "4.3", "--dict", "3", "str3", "2.7", "--dict", "-1", "str4", "-1.87"};
run();
REQUIRE(3u == custom_opt.size());
CHECK(-1 == std::get<0>(custom_opt[2]));
CHECK("str4" == std::get<1>(custom_opt[2]));
CHECK(-1.87 == std::get<2>(custom_opt[2]));
opt->check(CLI::PositiveNumber.application_index(0));
CHECK_THROWS_AS(run(), CLI::ValidationError);
args.back() = "haha";
args[9] = "45";
CHECK_THROWS_AS(run(), CLI::ConversionError);
}
// now with independent type sizes and expected this is possible
TEST_CASE_METHOD(TApp, "vectorVector", "[optiontype]") {
std::vector<std::vector<int>> custom_opt;
auto *opt = app.add_option("--dict", custom_opt);
args = {"--dict", "1", "2", "4", "--dict", "3", "1"};
run();
REQUIRE(2u == custom_opt.size());
CHECK(3u == custom_opt[0].size());
CHECK(2u == custom_opt[1].size());
args = {"--dict", "1", "2", "4", "--dict", "3", "1", "--dict", "3", "--dict",
"3", "3", "3", "3", "3", "3", "3", "3", "3", "-3"};
run();
REQUIRE(4u == custom_opt.size());
CHECK(3u == custom_opt[0].size());
CHECK(2u == custom_opt[1].size());
CHECK(1u == custom_opt[2].size());
CHECK(10u == custom_opt[3].size());
opt->check(CLI::PositiveNumber.application_index(9));
CHECK_THROWS_AS(run(), CLI::ValidationError);
args.pop_back();
CHECK_NOTHROW(run());
args.back() = "haha";
CHECK_THROWS_AS(run(), CLI::ConversionError);
args = {"--dict", "1", "2", "4", "%%", "3", "1", "%%", "3", "%%", "3", "3", "3", "3", "3", "3", "3", "3", "3", "3"};
run();
REQUIRE(4u == custom_opt.size());
}
// now with independent type sizes and expected this is possible
TEST_CASE_METHOD(TApp, "vectorVectorFixedSize", "[optiontype]") {
std::vector<std::vector<int>> custom_opt;
auto *opt = app.add_option("--dict", custom_opt)->type_size(4);
args = {"--dict", "1", "2", "4", "3", "--dict", "3", "1", "2", "8"};
run();
REQUIRE(2u == custom_opt.size());
CHECK(4u == custom_opt[0].size());
CHECK(4u == custom_opt[1].size());
args = {"--dict", "1", "2", "4", "--dict", "3", "1", "7", "6"};
CHECK_THROWS_AS(run(), CLI::ConversionError);
// this should reset it
opt->type_size(CLI::detail::expected_max_vector_size);
opt->type_size(1, CLI::detail::expected_max_vector_size);
CHECK_NOTHROW(run());
REQUIRE(2U == custom_opt.size());
}
// now with independent type sizes and expected this is possible
TEST_CASE_METHOD(TApp, "tuplePair", "[optiontype]") {
std::tuple<std::pair<int, double>> custom_opt;
app.add_option("--pr", custom_opt);
args = {"--pr", "1", "2"};
run();
CHECK(1 == std::get<0>(custom_opt).first);
CHECK(2.0 == std::get<0>(custom_opt).second);
}
// now with independent type sizes and expected this is possible
TEST_CASE_METHOD(TApp, "tupleintPair", "[optiontype]") {
std::tuple<int, std::pair<int, double>> custom_opt;
app.add_option("--pr", custom_opt);
args = {"--pr", "3", "1", "2"};
run();
CHECK(3 == std::get<0>(custom_opt));
CHECK(1 == std::get<1>(custom_opt).first);
CHECK(2.0 == std::get<1>(custom_opt).second);
}
static_assert(CLI::detail::is_mutable_container<std::set<std::string>>::value, "set should be a container");
static_assert(CLI::detail::is_mutable_container<std::map<std::string, std::string>>::value,
"map should be a container");
static_assert(CLI::detail::is_mutable_container<std::unordered_map<std::string, double>>::value,
"unordered_map should be a container");
static_assert(CLI::detail::is_mutable_container<std::list<std::pair<int, std::string>>>::value,
"list should be a container");
static_assert(CLI::detail::type_count<std::set<std::string>>::value == 1, "set should have a type size of 1");
static_assert(CLI::detail::type_count<std::set<std::tuple<std::string, int, int>>>::value == 3,
"tuple set should have size of 3");
static_assert(CLI::detail::type_count<std::map<std::string, std::string>>::value == 2,
"map should have a type size of 2");
static_assert(CLI::detail::type_count<std::unordered_map<std::string, double>>::value == 2,
"unordered_map should have a type size of 2");
static_assert(CLI::detail::type_count<std::list<std::pair<int, std::string>>>::value == 2,
"list<int,string> should have a type size of 2");
static_assert(CLI::detail::type_count<std::map<std::string, std::pair<int, std::string>>>::value == 3,
"map<string,pair<int,string>> should have a type size of 3");
TEMPLATE_TEST_CASE("Container int single",
"[optiontype]",
std::vector<int>,
std::deque<int>,
std::set<int>,
std::list<int>,
std::unordered_set<int>) {
TApp tapp;
TestType cv;
CLI::Option *opt = tapp.app.add_option("-v", cv);
tapp.args = {"-v", "1", "-1", "-v", "3", "-v", "-976"};
tapp.run();
CHECK(tapp.app.count("-v") == 4u);
CHECK(cv.size() == 4u);
opt->check(CLI::PositiveNumber.application_index(0));
opt->check((!CLI::PositiveNumber).application_index(1));
CHECK_NOTHROW(tapp.run());
CHECK(cv.size() == 4u);
// v[3] would be negative
opt->check(CLI::PositiveNumber.application_index(3));
CHECK_THROWS_AS(tapp.run(), CLI::ValidationError);
}
using isp = std::pair<int, std::string>;
TEMPLATE_TEST_CASE("Container pair",
"[optiontype]",
std::vector<isp>,
std::deque<isp>,
std::set<isp>,
std::list<isp>,
(std::map<int, std::string>),
(std::unordered_map<int, std::string>)) {
TApp tapp;
TestType cv;
(tapp.app).add_option("--dict", cv);
tapp.args = {"--dict", "1", "str1", "--dict", "3", "str3"};
tapp.run();
CHECK(2u == cv.size());
tapp.args = {"--dict", "1", "str1", "--dict", "3", "--dict", "-1", "str4"};
tapp.run();
CHECK(3u == cv.size());
}
template <class T> class TApp_container_tuple : public TApp {
public:
using container_type = T;
container_type cval{};
TApp_container_tuple() : TApp() {}
};
using tup_obj = std::tuple<int, std::string, double>;
TEMPLATE_TEST_CASE("Container tuple",
"[optiontype]",
std::vector<tup_obj>,
std::deque<tup_obj>,
std::set<tup_obj>,
std::list<tup_obj>,
(std::map<int, std::pair<std::string, double>>),
(std::unordered_map<int, std::tuple<std::string, double>>)) {
TApp tapp;
TestType cv;
(tapp.app).add_option("--dict", cv);
tapp.args = {"--dict", "1", "str1", "4.3", "--dict", "3", "str3", "2.7"};
tapp.run();
CHECK(2u == cv.size());
tapp.args = {"--dict", "1", "str1", "4.3", "--dict", "3", "str3", "2.7", "--dict", "-1", "str4", "-1.87"};
tapp.run();
CHECK(3u == cv.size());
}
using icontainer1 = std::vector<int>;
using icontainer2 = std::list<int>;
using icontainer3 = std::set<int>;
using icontainer4 = std::pair<int, std::vector<int>>;
TEMPLATE_TEST_CASE("Container container",
"[optiontype]",
std::vector<icontainer1>,
std::list<icontainer1>,
std::set<icontainer1>,
std::deque<icontainer1>,
std::vector<icontainer2>,
std::list<icontainer2>,
std::set<icontainer2>,
std::deque<icontainer2>,
std::vector<icontainer3>,
std::list<icontainer3>,
std::set<icontainer3>,
std::deque<icontainer3>) {
TApp tapp;
TestType cv;
(tapp.app).add_option("--dict", cv);
tapp.args = {"--dict", "1", "2", "4", "--dict", "3", "1"};
tapp.run();
CHECK(2u == cv.size());
tapp.args = {"--dict", "1", "2", "4", "--dict", "3", "1", "--dict", "3", "--dict",
"3", "3", "3", "3", "3", "3", "3", "3", "3", "-3"};
tapp.run();
CHECK(4u == cv.size());
}
TEST_CASE_METHOD(TApp, "containerContainer", "[optiontype]") {
std::vector<icontainer4> cv;
app.add_option("--dict", cv);
args = {"--dict", "1", "2", "4", "--dict", "3", "1"};
run();
CHECK(2u == cv.size());
args = {"--dict", "1", "2", "4", "--dict", "3", "1", "--dict", "3", "", "--dict",
"3", "3", "3", "3", "3", "3", "3", "3", "3", "-3"};
run();
CHECK(4u == cv.size());
}
TEST_CASE_METHOD(TApp, "unknownContainerWrapper", "[optiontype]") {
class vopt {
public:
vopt() = default;
explicit vopt(std::vector<double> vdub) : val_{std::move(vdub)} {};
std::vector<double> val_{};
};
vopt cv;
app.add_option<vopt, std::vector<double>>("--vv", cv);
args = {"--vv", "1", "2", "4"};
run();
CHECK(3u == cv.val_.size());
args = {"--vv", ""};
run();
CHECK(cv.val_.empty());
}
TEST_CASE_METHOD(TApp, "tupleTwoVectors", "[optiontype]") {
std::tuple<std::vector<int>, std::vector<int>> cv;
app.add_option("--vv", cv);
args = {"--vv", "1", "2", "4"};
run();
CHECK(3U == std::get<0>(cv).size());
CHECK(std::get<1>(cv).empty());
args = {"--vv", "1", "2", "%%", "4", "4", "5"};
run();
CHECK(2U == std::get<0>(cv).size());
CHECK(3U == std::get<1>(cv).size());
}
TEST_CASE_METHOD(TApp, "vectorSingleArg", "[optiontype]") {
std::vector<int> cv;
app.add_option("-c", cv)->allow_extra_args(false);
std::string extra;
app.add_option("args", extra);
args = {"-c", "1", "-c", "2", "4"};
run();
CHECK(2U == cv.size());
CHECK("4" == extra);
}
TEST_CASE_METHOD(TApp, "vectorEmptyArg", "[optiontype]") {
std::vector<std::string> cv{"test"};
app.add_option("-c", cv);
args = {"-c", "test1", "[]"};
run();
CHECK(cv.size() == 1);
args = {"-c", "test1", "[[]]"};
run();
CHECK(cv.size() == 2);
CHECK(cv[1] == "[]");
}
TEST_CASE_METHOD(TApp, "vectorDoubleArg", "[optiontype]") {
std::vector<std::pair<int, std::string>> cv;
app.add_option("-c", cv)->allow_extra_args(false);
std::vector<std::string> extras;
app.add_option("args", extras);
args = {"-c", "1", "bob", "-c", "2", "apple", "4", "key"};
run();
CHECK(2U == cv.size());
CHECK(2U == extras.size());
}
TEST_CASE_METHOD(TApp, "vectorEmpty", "[optiontype]") {
std::vector<std::string> cv{};
app.add_option("-c", cv)->expected(0, 2);
args = {"-c", "{}"};
run();
CHECK(cv.empty());
}
TEST_CASE_METHOD(TApp, "vectorVectorArg", "[optiontype]") {
std::vector<std::vector<std::string>> cv{};
app.add_option("-c", cv);
args = {"-c", "[[a,b]]"};
run();
CHECK(cv.size() == 1);
CHECK(cv[0].size() == 2);
CHECK(cv[0][0] == "a");
}
TEST_CASE_METHOD(TApp, "OnParseCall", "[optiontype]") {
int cnt{0};
auto *opt = app.add_option("-c",
[&cnt](const CLI::results_t &) {
++cnt;
return true;
})
->expected(1, 20)
->trigger_on_parse();
std::vector<std::string> extras;
app.add_option("args", extras);
args = {"-c", "1", "-c", "2", "-c", "3"};
CHECK(opt->get_trigger_on_parse());
run();
CHECK(3 == cnt);
}
TEST_CASE_METHOD(TApp, "OnParseCallPositional", "[optiontype]") {
int cnt{0};
auto *opt = app.add_option("pos",
[&cnt](const CLI::results_t &) {
++cnt;
return true;
})
->trigger_on_parse()
->allow_extra_args();
args = {"1", "2", "3"};
CHECK(opt->get_trigger_on_parse());
run();
CHECK(3 == cnt);
}
TEST_CASE_METHOD(TApp, "OnParseCallVector", "[optiontype]") {
std::vector<std::string> vec;
app.add_option("-c", vec)->trigger_on_parse();
args = {"-c", "1", "2", "3", "-c", "2", "-c", "3", "4", "5"};
run();
CHECK(vec.size() == 3U);
}
TEST_CASE_METHOD(TApp, "force_callback", "[optiontype]") {
int cnt{0};
auto *opt = app.add_option("-c",
[&cnt](const CLI::results_t &) {
++cnt;
return true;
})
->expected(1, 20)
->force_callback()
->default_str("5");
std::vector<std::string> extras;
app.add_option("args", extras);
args = {};
CHECK(opt->get_force_callback());
run();
CHECK(1 == cnt);
cnt = 0;
args = {"-c", "10"};
run();
CHECK(1 == cnt);
}
TEST_CASE_METHOD(TApp, "force_callback2", "[optiontype]") {
int cnt{0};
app.add_option("-c", cnt)->force_callback()->default_val(5);
args = {};
run();
CHECK(5 == cnt);
}
TEST_CASE_METHOD(TApp, "force_callback3", "[optiontype]") {
int cnt{10};
app.add_option("-c", cnt)->force_callback();
args = {};
run();
CHECK(0 == cnt);
}
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