mirror of
https://github.com/catchorg/Catch2.git
synced 2024-11-22 21:36:11 +01:00
cde3509664
* bugprone-branch-clone * bugprone-copy-constructor-init * bugprone-empty-catch * bugprone-sizeof-expression * bugprone-switch-missing-default-case * bugprone-unused-local-non-trivial-variable * clang-analyzer-core.uninitialized.Assign * clang-analyzer-cplusplus.Move * clang-analyzer-optin.cplusplus.VirtualCall * modernize-loop-convert * modernize-raw-string-literal * modernize-use-equals-default * modernize-use-override * modernize-use-using * performance-avoid-endl * performance-inefficient-string-concatenation * performance-inefficient-vector-operation * performance-noexcept-move-constructor * performance-unnecessary-value-param (and improve generator example) * readability-duplicate-include * readability-inconsistent-declaration-parameter-name * readability-non-const-parameter * readability-redundant-casting * readability-redundant-member-init * readability-redundant-smartptr-get * readability-static-accessed-through-instance * unused variable in amalgamted tests
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
|
|
// Copyright Catch2 Authors
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// (See accompanying file LICENSE.txt or copy at
|
|
// https://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
|
|
// 232-Cfg-CustomMain.cpp
|
|
// Show how to use custom main and add a custom option to the CLI parser
|
|
|
|
#include <catch2/catch_session.hpp>
|
|
|
|
#include <iostream>
|
|
|
|
int main(int argc, char** argv) {
|
|
Catch::Session session; // There must be exactly one instance
|
|
|
|
int height = 0; // Some user variable you want to be able to set
|
|
|
|
// Build a new parser on top of Catch2's
|
|
using namespace Catch::Clara;
|
|
auto cli
|
|
= session.cli() // Get Catch2's command line parser
|
|
| Opt( height, "height" ) // bind variable to a new option, with a hint string
|
|
["--height"] // the option names it will respond to
|
|
("how high?"); // description string for the help output
|
|
|
|
// Now pass the new composite back to Catch2 so it uses that
|
|
session.cli( cli );
|
|
|
|
// Let Catch2 (using Clara) parse the command line
|
|
int returnCode = session.applyCommandLine( argc, argv );
|
|
if( returnCode != 0 ) // Indicates a command line error
|
|
return returnCode;
|
|
|
|
// if set on the command line then 'height' is now set at this point
|
|
std::cout << "height: " << height << '\n';
|
|
|
|
return session.run();
|
|
}
|