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add unit test for iterator and key of short-only option

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This commit is contained in:
Long Deng 2021-12-09 11:47:38 +08:00
parent c14de8a092
commit ae697c042c
1 changed files with 56 additions and 0 deletions
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56
test/options.cpp
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@ -114,6 +114,11 @@ TEST_CASE("Short options", "[options]")
CHECK(result.count("a") == 1);
CHECK(result["a"].as<std::string>() == "value");
auto& arguments = result.arguments();
REQUIRE(arguments.size() == 1);
CHECK(arguments[0].key() == "a");
CHECK(arguments[0].value() == "value");
REQUIRE_THROWS_AS(options.add_options()("", "nothing option"),
cxxopts::invalid_option_format_error&);
}
@ -830,3 +835,54 @@ TEST_CASE("Parameter follow option", "[parameter]") {
CHECK(job_values[2] == 10);
CHECK(job_values[3] == 5);
}
TEST_CASE("Iterator", "[iterator]") {
cxxopts::Options options("tester", " - test iterating over parse result");
options.add_options()
("long", "a long option")
("s,short", "a short option")
("a", "a short-only option")
("value", "an option with a value", cxxopts::value<std::string>())
("default", "an option with default value", cxxopts::value<int>()->default_value("42"))
("nothing", "won't exist", cxxopts::value<std::string>())
;
Argv argv({
"tester",
"--long",
"-s",
"-a",
"--value",
"value",
});
auto** actual_argv = argv.argv();
auto argc = argv.argc();
auto result = options.parse(argc, actual_argv);
auto iter = result.begin();
REQUIRE(iter != result.end());
CHECK(iter->key() == "long");
CHECK(iter->value() == "true");
REQUIRE(++iter != result.end());
CHECK(iter->key() == "short");
CHECK(iter->value() == "true");
REQUIRE(++iter != result.end());
CHECK(iter->key() == "a");
CHECK(iter->value() == "true");
REQUIRE(++iter != result.end());
CHECK(iter->key() == "value");
CHECK(iter->value() == "value");
REQUIRE(++iter != result.end());
CHECK(iter->key() == "default");
CHECK(iter->value() == "42");
REQUIRE(++iter == result.end());
}