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Dropping the error if a bool flag is set multiple times

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This commit is contained in:
Henry Fredrick Schreiner 2017-11-16 13:04:37 -05:00 committed by Henry Schreiner
parent 3de7832c3d
commit 0a35db8f00
3 changed files with 7 additions and 5 deletions
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6
include/CLI/App.hpp
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@ -351,16 +351,16 @@ class App {
return opt;
}
/// Bool version only allows the flag once
/// Bool version
template <typename T, enable_if_t<is_bool<T>::value, detail::enabler> = detail::dummy>
Option *add_flag(std::string name,
T &count, ///< A varaible holding true if passed
std::string description = "") {
count = false;
CLI::callback_t fun = [&count](CLI::results_t res) {
CLI::callback_t fun = [&count](CLI::results_t) {
count = true;
return res.size() == 1;
return true;
};
Option *opt = add_option(name, fun, description, false);

3
tests/AppTest.cpp
View File

@ -154,7 +154,8 @@ TEST_F(TApp, BoolAndIntFlags) {
app.reset();
args = {"-b", "-b"};
EXPECT_THROW(run(), CLI::ConversionError);
EXPECT_NO_THROW(run());
EXPECT_TRUE(bflag);
app.reset();
bflag = false;

3
tests/IniTest.cpp
View File

@ -438,7 +438,8 @@ TEST_F(TApp, IniFlagNumbers) {
out << "flag=3" << std::endl;
}
EXPECT_THROW(run(), CLI::ConversionError);
EXPECT_NO_THROW(run());
EXPECT_TRUE(boo);
}
TEST_F(TApp, IniFlagDual) {