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Merge pull request #360 from rouault/too_few_arguments

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Add argument name after 'Too few arguments' error
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Pranav 2024-05-27 15:57:25 -04:00 committed by GitHub
commit 9893754f67
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2 changed files with 11 additions and 1 deletions
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3
include/argparse/argparse.hpp
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@ -997,7 +997,8 @@ public:
std::bind(is_optional, std::placeholders::_1, m_prefix_chars)); std::bind(is_optional, std::placeholders::_1, m_prefix_chars));
dist = static_cast<std::size_t>(std::distance(start, end)); dist = static_cast<std::size_t>(std::distance(start, end));
if (dist < num_args_min) { if (dist < num_args_min) {
throw std::runtime_error("Too few arguments"); throw std::runtime_error("Too few arguments for '" +
std::string(m_used_name) + "'.");
} }
} }

9
test/test_parse_args.cpp
View File

@ -17,6 +17,15 @@ TEST_CASE("Missing argument" * test_suite("parse_args")) {
std::runtime_error); std::runtime_error);
} }
TEST_CASE("Missing argument, not last" * test_suite("parse_args")) {
argparse::ArgumentParser program("test");
program.add_argument("--config").nargs(1);
program.add_argument("--foo");
REQUIRE_THROWS_WITH_AS(program.parse_args({"test", "--config", "--foo"}),
"Too few arguments for '--config'.",
std::runtime_error);
}
TEST_CASE("Parse a string argument with value" * test_suite("parse_args")) { TEST_CASE("Parse a string argument with value" * test_suite("parse_args")) {
argparse::ArgumentParser program("test"); argparse::ArgumentParser program("test");
program.add_argument("--config"); program.add_argument("--config");