NewParseTest.cpp
2.04 KB
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#include "app_helper.hpp"
#include "gmock/gmock.h"
#include <complex>
using ::testing::HasSubstr;
typedef std::complex<double> cx;
CLI::Option* add_option(CLI::App& app,
std::string name, cx& variable,
std::string description="", bool defaulted=false) {
CLI::callback_t fun = [&variable](CLI::results_t res){
if(res.size()!=2)
return false;
double x,y;
bool worked = CLI::detail::lexical_cast(res[0], x)
&& CLI::detail::lexical_cast(res[1], y);
if(worked)
variable = cx(x,y);
return worked;
};
CLI::Option* opt = app.add_option(name, fun, description, defaulted);
opt->set_custom_option("COMPLEX", 2);
if(defaulted) {
std::stringstream out;
out << variable;
opt->set_default_val(out.str());
}
return opt;
}
TEST_F(TApp, AddingComplexParser) {
cx comp {0, 0};
add_option(app, "-c,--complex", comp);
args = {"-c", "1.5", "2.5"};
run();
EXPECT_EQ(cx(1.5,2.5), comp);
}
TEST_F(TApp, DefaultComplex) {
cx comp {1, 2};
add_option(app, "-c,--complex", comp, "", true);
args = {"-c", "4", "3"};
std::string help = app.help();
EXPECT_THAT(help, HasSubstr("1"));
EXPECT_THAT(help, HasSubstr("2"));
EXPECT_EQ(cx(1,2), comp);
run();
EXPECT_EQ(cx(4,3), comp);
}
TEST_F(TApp, BuiltinComplex) {
cx comp {1, 2};
app.add_complex("-c,--complex", comp, "", true);
args = {"-c", "4", "3"};
std::string help = app.help();
EXPECT_THAT(help, HasSubstr("1"));
EXPECT_THAT(help, HasSubstr("2"));
EXPECT_THAT(help, HasSubstr("COMPLEX"));
EXPECT_EQ(cx(1,2), comp);
run();
EXPECT_EQ(cx(4,3), comp);
}
TEST_F(TApp, BuiltinComplexIgnoreI) {
cx comp {1, 2};
app.add_complex("-c,--complex", comp);
args = {"-c", "4", "3i"};
run();
EXPECT_EQ(cx(4,3), comp);
}
TEST_F(TApp, BuiltinComplexFail) {
cx comp {1, 2};
app.add_complex("-c,--complex", comp);
args = {"-c", "4"};
EXPECT_THROW(run(), CLI::ConversionError);
}