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CLI11/tests/NumericTypeTest.cpp
Philip Top 8c77664bd0 move some of the Validators to an ExtraValidators file (#1192) 
Rework some of the validator locations, add documentation, and fix some
lingering issues with validators.
The extra will will enable additions of some new validators and reduce
compile times for those that are not needed.

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2025-09-01 05:13:21 -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 <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, "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]);
#if (defined(CLI11_ENABLE_EXTRA_VALIDATORS) && CLI11_ENABLE_EXTRA_VALIDATORS == 1) || \
(!defined(CLI11_DISABLE_EXTRA_VALIDATORS) || CLI11_DISABLE_EXTRA_VALIDATORS == 0)
opt->check(CLI::Number);
opt->run_callback_for_default(false);
CHECK_THROWS_AS(opt->default_val("this is a string"), CLI::ValidationError);
#endif
}
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, "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);
}
// 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]));
}
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