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#ifdef WITH_MODULE
import argparse;
#else
#include <argparse/argparse.hpp>
#endif
#include <doctest.hpp>
using doctest::test_suite;
TEST_CASE("Parse negative integer" * test_suite("positional_arguments")) {
argparse::ArgumentParser program;
program.add_argument("--verbose", "-v")
.help("enable verbose logging")
.default_value(false)
.implicit_value(true);
program.add_argument("number").help("Input number").scan<'i', int>();
program.parse_args({"./main", "-1"});
REQUIRE(program.get<int>("number") == -1);
}
TEST_CASE("Parse negative integers into a vector" *
test_suite("positional_arguments")) {
argparse::ArgumentParser program;
program.add_argument("--verbose", "-v")
.help("enable verbose logging")
.default_value(false)
.implicit_value(true);
program.add_argument("number").help("Input number").nargs(3).scan<'i', int>();
program.parse_args({"./main", "-1", "-2", "3"});
REQUIRE(program["number"] == std::vector<int>{-1, -2, 3});
}
TEST_CASE("Parse negative float" * test_suite("positional_arguments")) {
argparse::ArgumentParser program;
program.add_argument("--verbose", "-v")
.help("enable verbose logging")
.default_value(false)
.implicit_value(true);
program.add_argument("number").help("Input number").scan<'g', float>();
program.parse_args({"./main", "-1.0"});
REQUIRE(program.get<float>("number") == -1.0);
}
TEST_CASE("Parse negative floats into a vector" *
test_suite("positional_arguments")) {
argparse::ArgumentParser program;
program.add_argument("--verbose", "-v")
.help("enable verbose logging")
.default_value(false)
.implicit_value(true);
program.add_argument("number")
.help("Input number")
.nargs(3)
.scan<'g', double>();
program.parse_args({"./main", "-1.001", "-2.002", "3.003"});
REQUIRE(program["number"] == std::vector<double>{-1.001, -2.002, 3.003});
}
TEST_CASE("Parse numbers in E notation" * test_suite("positional_arguments")) {
argparse::ArgumentParser program;
program.add_argument("--verbose", "-v")
.help("enable verbose logging")
.default_value(false)
.implicit_value(true);
program.add_argument("number").help("Input number").scan<'g', double>();
program.parse_args({"./main", "-1.2e3"});
REQUIRE(program.get<double>("number") == -1200.0);
}
TEST_CASE("Parse numbers in E notation (capital E)" *
test_suite("positional_arguments")) {
argparse::ArgumentParser program;
program.add_argument("--verbose", "-v")
.help("enable verbose logging")
.default_value(false)
.implicit_value(true);
program.add_argument("number").help("Input number").scan<'g', double>();
program.parse_args({"./main", "-1.32E4"});
REQUIRE(program.get<double>("number") == -13200.0);
}
TEST_CASE("Recognize negative decimal numbers" *
test_suite("positional_arguments")) {
argparse::ArgumentParser program("test");
program.add_argument("positional");
SUBCASE("zero") { REQUIRE_NOTHROW(program.parse_args({"test", "-0"})); }
SUBCASE("not a decimal") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-00"}), std::runtime_error);
}
SUBCASE("looks like an octal") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-003"}), std::runtime_error);
}
SUBCASE("nonzero-digit") {
REQUIRE_NOTHROW(program.parse_args({"test", "-9"}));
}
SUBCASE("nonzero-digit digit-sequence") {
REQUIRE_NOTHROW(program.parse_args({"test", "-92180"}));
}
SUBCASE("zero dot") { REQUIRE_NOTHROW(program.parse_args({"test", "-0."})); }
SUBCASE("nonzero-digit dot") {
REQUIRE_NOTHROW(program.parse_args({"test", "-8."}));
}
SUBCASE("nonzero-digit digit-sequence dot") {
REQUIRE_NOTHROW(program.parse_args({"test", "-200."}));
}
SUBCASE("integer-part dot") {
REQUIRE_NOTHROW(program.parse_args({"test", "-003."}));
}
SUBCASE("dot digit-sequence") {
REQUIRE_NOTHROW(program.parse_args({"test", "-.0927"}));
}
SUBCASE("not a single dot") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-."}), std::runtime_error);
}
SUBCASE("not a single e") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-e"}), std::runtime_error);
}
SUBCASE("not dot e") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-.e"}), std::runtime_error);
}
SUBCASE("integer-part exponent-part without sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-1e32"}));
}
SUBCASE("integer-part exponent-part with positive sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-1e+32"}));
}
SUBCASE("integer-part exponent-part with negative sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-00e-0"}));
}
SUBCASE("missing mantissa") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-e32"}), std::runtime_error);
}
SUBCASE("missing mantissa but with positive sign") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-e+7"}), std::runtime_error);
}
SUBCASE("missing mantissa but with negative sign") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-e-1"}), std::runtime_error);
}
SUBCASE("nothing after e followed by zero") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-0e"}), std::runtime_error);
}
SUBCASE("nothing after e followed by integer-part") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-13e"}), std::runtime_error);
}
SUBCASE("integer-part dot exponent-part without sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-18.e0"}));
}
SUBCASE("integer-part dot exponent-part with positive sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-18.e+92"}));
}
SUBCASE("integer-part dot exponent-part with negative sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-0.e-92"}));
}
SUBCASE("nothing after e followed by integer-part dot") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-13.e"}),
std::runtime_error);
}
SUBCASE("dot digit-sequence exponent-part without sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-.023e0"}));
}
SUBCASE("dot digit-sequence exponent-part with positive sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-.2e+92"}));
}
SUBCASE("dot digit-sequence exponent-part with negative sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-.71564e-92"}));
}
SUBCASE("nothing after e in fractional-part") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-.283e"}),
std::runtime_error);
}
SUBCASE("exponent-part followed by only a dot") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-.e3"}), std::runtime_error);
}
SUBCASE("exponent-part followed by only a dot but with positive sign") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-.e+3"}),
std::runtime_error);
}
SUBCASE("exponent-part followed by only a dot but with negative sign") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-.e-3"}),
std::runtime_error);
}
SUBCASE("integer-part dot digit-sequence exponent-part without sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-02.023e4000"}));
}
SUBCASE("integer-part dot digit-sequence exponent-part with positive sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-3.239e+76"}));
}
SUBCASE("integer-part dot digit-sequence exponent-part with negative sign") {
REQUIRE_NOTHROW(program.parse_args({"test", "-238237.0e-2"}));
}
SUBCASE("nothing after e") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-3.14e"}),
std::runtime_error);
}
SUBCASE("nothing after e and positive sign") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-2.17e+"}),
std::runtime_error);
}
SUBCASE("nothing after e and negative sign") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-13.6e-"}),
std::runtime_error);
}
SUBCASE("more than one sign present in exponent-part") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-13.6e+-23"}),
std::runtime_error);
}
SUBCASE("sign at wrong position") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-3.6e23+"}),
std::runtime_error);
}
SUBCASE("more than one exponent-part") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-3.6e2e9"}),
std::runtime_error);
}
SUBCASE("more than one fractional-part") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-3.6.3"}),
std::runtime_error);
}
SUBCASE("number has its own sign") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-+42"}), std::runtime_error);
}
SUBCASE("looks like hexadecimal integer") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-0x0"}), std::runtime_error);
}
SUBCASE("looks like hexadecimal floating-point") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-0x27.8p1"}),
std::runtime_error);
}
SUBCASE("looks like hexadecimal floating-point without prefix") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-3.8p1"}),
std::runtime_error);
}
SUBCASE("Richard's pp-number") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-0x1e+2"}),
std::runtime_error);
}
SUBCASE("Infinity") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-inf"}), std::runtime_error);
REQUIRE_THROWS_AS(program.parse_args({"test", "-INFINITY"}),
std::runtime_error);
}
SUBCASE("NaN") {
REQUIRE_THROWS_AS(program.parse_args({"test", "-nan"}), std::runtime_error);
REQUIRE_THROWS_AS(program.parse_args({"test", "-NAN"}), std::runtime_error);
}
}
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