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#include "util/tokenize.hh"
#define BOOST_TEST_MODULE TokenizeTest
#include <boost/test/unit_test.hpp>
namespace util
{
namespace
{
BOOST_AUTO_TEST_CASE(empty_text_yields_empty_vector)
{
const std::vector<std::string> tokens = util::tokenize("");
BOOST_CHECK_EQUAL(tokens.size(), 0);
}
BOOST_AUTO_TEST_CASE(whitespace_only_yields_empty_vector)
{
const std::vector<std::string> tokens = util::tokenize(" ");
BOOST_CHECK_EQUAL(tokens.size(), 0);
}
BOOST_AUTO_TEST_CASE(parses_single_token)
{
const std::vector<std::string> tokens = util::tokenize("mytoken");
BOOST_CHECK_EQUAL(tokens.size(), 1);
BOOST_CHECK_EQUAL(tokens[0], "mytoken");
}
BOOST_AUTO_TEST_CASE(ignores_leading_whitespace)
{
const std::vector<std::string> tokens = util::tokenize(" \t mytoken");
BOOST_CHECK_EQUAL(tokens.size(), 1);
BOOST_CHECK_EQUAL(tokens[0], "mytoken");
}
BOOST_AUTO_TEST_CASE(ignores_trailing_whitespace)
{
const std::vector<std::string> tokens = util::tokenize("mytoken \t ");
BOOST_CHECK_EQUAL(tokens.size(), 1);
BOOST_CHECK_EQUAL(tokens[0], "mytoken");
}
BOOST_AUTO_TEST_CASE(splits_tokens_on_tabs)
{
const std::vector<std::string> tokens = util::tokenize("one\ttwo");
BOOST_CHECK_EQUAL(tokens.size(), 2);
BOOST_CHECK_EQUAL(tokens[0], "one");
BOOST_CHECK_EQUAL(tokens[1], "two");
}
BOOST_AUTO_TEST_CASE(splits_tokens_on_spaces)
{
const std::vector<std::string> tokens = util::tokenize("one two");
BOOST_CHECK_EQUAL(tokens.size(), 2);
BOOST_CHECK_EQUAL(tokens[0], "one");
BOOST_CHECK_EQUAL(tokens[1], "two");
}
BOOST_AUTO_TEST_CASE(treats_sequence_of_space_as_one_space)
{
const std::vector<std::string> tokens = util::tokenize("one\t \ttwo");
BOOST_CHECK_EQUAL(tokens.size(), 2);
BOOST_CHECK_EQUAL(tokens[0], "one");
BOOST_CHECK_EQUAL(tokens[1], "two");
}
} // namespace
} // namespace util
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