#include "testing_utils/defines.hpp"

#include <catch2/catch_test_macros.hpp>

#include <fstream>

#include <libdbc/utils/utils.hpp>

#include <sstream>

namespace Utils {

TEST_CASE("Basic file input with safe get_line that is non line ending specific", "") {

SECTION("Verify various line ending input files") {

std::ifstream TextFile;

std::string test;

TextFile.open(TEXT_FILE, std::ios::in);

CHECK(TextFile.is_open());

if (TextFile.is_open()) {

StreamHandler::get_line(TextFile, test);

REQUIRE(test == "This is a non dbc formatted file.");

StreamHandler::get_line(TextFile, test);

REQUIRE(test == "");

StreamHandler::get_line(TextFile, test);

REQUIRE(test == "Make sure things pass with this");

StreamHandler::get_line(TextFile, test);

REQUIRE(test == "Who knows what might happen.");

TextFile.close();

}

}

}

TEST_CASE("Test line finding utility functions", "") {

std::string line;

std::string test_string =

"hello\n\

end";

std::istringstream stream(test_string);

SECTION("Test skipping empty lines") {

StreamHandler::get_line(stream, line);

CHECK(line == "hello");

StreamHandler::get_next_non_blank_line(stream, line);

REQUIRE(line == "this is not blank");

StreamHandler::skip_to_next_blank_line(stream, line);

REQUIRE(line == "");

StreamHandler::get_next_non_blank_line(stream, line);

REQUIRE(line == "Someone wrote something....");

StreamHandler::get_next_non_blank_line(stream, line);

REQUIRE(line == " b");

StreamHandler::get_next_non_blank_line(stream, line);

REQUIRE(line == "end");

SECTION("Test end of the files", "[edge case]") {

StreamHandler::get_next_non_blank_line(stream, line);

REQUIRE(line == "");

StreamHandler::skip_to_next_blank_line(stream, line);

REQUIRE(line == "");

}

}

}

TEST_CASE("Test the string trim feature", "[string]") {

std::string s = " there might be some white space.... ";

REQUIRE(String::trim(s) == "there might be some white space....");

}

TEST_CASE("Test string split feature", "[string]") {

std::string s = "name1 name2 name3 name4 name5 ";

std::vector<std::string> vs = {"name1", "name2", "name3", "name4", "name5"};

std::vector<std::string> v;

String::split(s, v);

REQUIRE(v == vs);

}

} // Utils