#include <criterion/criterion.h>

#include "utils.h"

/*
** TESTS: string/extract_file_ext.c
*/

Test(utils_string, extract_file_ext_valid)
{
	const char	*ext;

	ext = extract_file_ext("file.c");
	cr_assert_not_null(ext);
	cr_assert_str_eq(ext, "c");

	ext = extract_file_ext("test.md");
	cr_assert_not_null(ext);
	cr_assert_str_eq(ext, "md");

	ext = extract_file_ext("path/to/file.txt");
	cr_assert_not_null(ext);
	cr_assert_str_eq(ext, "txt");

	ext = extract_file_ext("file.c.md");
	cr_assert_not_null(ext);
	cr_assert_str_eq(ext, "md");
}

Test(utils_string, extract_file_ext_invalid)
{
	const char	*ext;

	ext = extract_file_ext("noext");
	cr_assert_null(ext);

	ext = extract_file_ext(".hidden");
	cr_assert_null(ext);

	ext = extract_file_ext("");
	cr_assert_null(ext);

	ext = extract_file_ext("path/to/dir/");
	cr_assert_null(ext);
}