{

const char* argv[] = {"test_fail", "-x"};

ArgumentParser parser(

[&](char short_opt, const std::string &long_opt, ArgumentParser::OptionValue& opt_value) {

return false;

}

);

ASSERT_FALSE(parser.parse(NUMBER_OF_ARRAY(argv), argv));

{

const char* argv[] = {"test_long_opt_key_and_value", "--key=123", "-n"};

ArgumentParser parser(

[&](char short_opt, const std::string &long_opt, ArgumentParser::OptionValue& opt_value) {

if (short_opt == 0) {

EXPECT_EQ(long_opt, "key");

EXPECT_TRUE(opt_value.valid());

EXPECT_EQ(opt_value.get(), "123");

} else {

EXPECT_EQ(short_opt, 'n');

EXPECT_FALSE(opt_value.valid());

}

return true;

}

);

ASSERT_TRUE(parser.parse(NUMBER_OF_ARRAY(argv), argv));

{

const char* argv[] = {"any", R"(--name='Hevake Lee')", R"(--address="Shenzhen China")"};

bool has_name = false;

bool has_address = false;

ArgumentParser parser(

[&](char short_opt, const std::string &long_opt, ArgumentParser::OptionValue& opt_value) {

if (long_opt == "name") {

EXPECT_TRUE(opt_value.valid());

EXPECT_EQ(opt_value.get(), "Hevake Lee");

has_name = true;

} else if (long_opt == "address"){

EXPECT_TRUE(opt_value.valid());

EXPECT_EQ(opt_value.get(), "Shenzhen China");

has_address = true;

}

return true;

}

);

ASSERT_TRUE(parser.parse(NUMBER_OF_ARRAY(argv), argv));

EXPECT_TRUE(has_name);

EXPECT_TRUE(has_address);

{

const char* argv[] = {"test_all", "-ab", "123", "-x", "--set", "xyz", "--run", "--key=value"};

ArgumentParser parser(

[&](char short_opt, const std::string &long_opt, ArgumentParser::OptionValue& opt_value) {

if (short_opt == 'a') {

EXPECT_FALSE(opt_value.valid());

} else if (short_opt == 'b') {

EXPECT_TRUE(opt_value.valid());

EXPECT_EQ(opt_value.get(), "123");

} else if (short_opt == 'x') {

EXPECT_TRUE(opt_value.valid());

} else if (long_opt == "set") {

EXPECT_TRUE(opt_value.valid());

EXPECT_EQ(opt_value.get(), "xyz");

} else if (long_opt == "run") {

EXPECT_TRUE(opt_value.valid());

} else if (long_opt == "key") {

EXPECT_TRUE(opt_value.valid());

EXPECT_EQ(opt_value.get(), "value");

} else {

return false;

}

return true;

}

);

ASSERT_TRUE(parser.parse(NUMBER_OF_ARRAY(argv), argv));