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s3fs-fuse/src/test_string_util.cpp

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/*
* s3fs - FUSE-based file system backed by Amazon S3
*
* Copyright(C) 2014 Andrew Gaul <andrew@gaul.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <cstdint>
#include <cstdlib>
#include <limits>
#include <string>
#include "s3fs_logger.h"
#include "string_util.h"
#include "test_util.h"
//-------------------------------------------------------------------
// Global variables for test_string_util
//-------------------------------------------------------------------
bool foreground = false;
std::string instance_name;
void test_trim()
{
ASSERT_EQUALS(std::string("1234"), trim(" 1234 "));
ASSERT_EQUALS(std::string("1234"), trim("1234 "));
ASSERT_EQUALS(std::string("1234"), trim(" 1234"));
ASSERT_EQUALS(std::string("1234"), trim("1234"));
ASSERT_EQUALS(std::string("1234 "), trim_left(" 1234 "));
ASSERT_EQUALS(std::string("1234 "), trim_left("1234 "));
ASSERT_EQUALS(std::string("1234"), trim_left(" 1234"));
ASSERT_EQUALS(std::string("1234"), trim_left("1234"));
ASSERT_EQUALS(std::string(" 1234"), trim_right(" 1234 "));
ASSERT_EQUALS(std::string("1234"), trim_right("1234 "));
ASSERT_EQUALS(std::string(" 1234"), trim_right(" 1234"));
ASSERT_EQUALS(std::string("1234"), trim_right("1234"));
ASSERT_EQUALS(std::string("1234"), peeloff("\"1234\"")); // "1234" -> 1234
ASSERT_EQUALS(std::string("\"1234\""), peeloff("\"\"1234\"\"")); // ""1234"" -> "1234"
ASSERT_EQUALS(std::string("\"1234"), peeloff("\"\"1234\"")); // ""1234" -> "1234
ASSERT_EQUALS(std::string("1234\""), peeloff("\"1234\"\"")); // "1234"" -> 1234"
ASSERT_EQUALS(std::string("\"1234"), peeloff("\"1234")); // "1234 -> "1234
ASSERT_EQUALS(std::string("1234\""), peeloff("1234\"")); // 1234" -> 1234"
ASSERT_EQUALS(std::string(" \"1234\""), peeloff(" \"1234\"")); // _"1234" -> _"1234"
ASSERT_EQUALS(std::string("\"1234\" "), peeloff("\"1234\" ")); // "1234"_ -> "1234"_
}
void test_base64()
{
std::string buf;
char tmpbuf = '\0';
ASSERT_EQUALS(s3fs_base64(nullptr, 0), std::string(""));
buf = s3fs_decode64(nullptr, 0);
ASSERT_BUFEQUALS(buf.c_str(), buf.length(), &tmpbuf, 0);
ASSERT_EQUALS(s3fs_base64(reinterpret_cast<const unsigned char *>(""), 0), std::string(""));
buf = s3fs_decode64("", 0);
ASSERT_BUFEQUALS(buf.c_str(), buf.length(), &tmpbuf, 0);
ASSERT_EQUALS(s3fs_base64(reinterpret_cast<const unsigned char *>("1"), 1), std::string("MQ=="));
buf = s3fs_decode64("MQ==", 4);
ASSERT_BUFEQUALS(buf.c_str(), buf.length(), "1", 1);
ASSERT_EQUALS(buf.length(), static_cast<size_t>(1));
ASSERT_EQUALS(s3fs_base64(reinterpret_cast<const unsigned char *>("12"), 2), std::string("MTI="));
buf = s3fs_decode64("MTI=", 4);
ASSERT_BUFEQUALS(buf.c_str(), buf.length(), "12", 2);
ASSERT_EQUALS(buf.length(), static_cast<size_t>(2));
ASSERT_EQUALS(s3fs_base64(reinterpret_cast<const unsigned char *>("123"), 3), std::string("MTIz"));
buf = s3fs_decode64("MTIz", 4);
ASSERT_BUFEQUALS(buf.c_str(), buf.length(), "123", 3);
ASSERT_EQUALS(buf.length(), static_cast<size_t>(3));
ASSERT_EQUALS(s3fs_base64(reinterpret_cast<const unsigned char *>("1234"), 4), std::string("MTIzNA=="));
buf = s3fs_decode64("MTIzNA==", 8);
ASSERT_BUFEQUALS(buf.c_str(), buf.length(), "1234", 4);
ASSERT_EQUALS(buf.length(), static_cast<size_t>(4));
// TODO: invalid input
}
void test_strtoofft()
{
off_t value;
ASSERT_TRUE(s3fs_strtoofft(&value, "0"));
ASSERT_EQUALS(value, static_cast<off_t>(0L));
ASSERT_TRUE(s3fs_strtoofft(&value, "9"));
ASSERT_EQUALS(value, static_cast<off_t>(9L));
ASSERT_FALSE(s3fs_strtoofft(&value, "A"));
ASSERT_TRUE(s3fs_strtoofft(&value, "A", /*base=*/ 16));
ASSERT_EQUALS(value, static_cast<off_t>(10L));
ASSERT_TRUE(s3fs_strtoofft(&value, "F", /*base=*/ 16));
ASSERT_EQUALS(value, static_cast<off_t>(15L));
ASSERT_TRUE(s3fs_strtoofft(&value, "a", /*base=*/ 16));
ASSERT_EQUALS(value, static_cast<off_t>(10L));
ASSERT_TRUE(s3fs_strtoofft(&value, "f", /*base=*/ 16));
ASSERT_EQUALS(value, static_cast<off_t>(15L));
ASSERT_TRUE(s3fs_strtoofft(&value, "deadbeef", /*base=*/ 16));
ASSERT_EQUALS(value, static_cast<off_t>(3735928559L));
}
void test_wtf8_encoding()
{
std::string ascii("normal std::string");
std::string utf8("Hyld\xc3\xbdpi \xc3\xbej\xc3\xb3\xc3\xb0""f\xc3\xa9lagsins vex \xc3\xbar k\xc3\xa6rkomnu b\xc3\xb6li \xc3\xad \xc3\xa1st");
std::string cp1252("Hyld\xfdpi \xfej\xf3\xf0""f\xe9lagsins vex \xfar k\xe6rkomnu b\xf6li \xed \xe1st");
std::string broken = utf8;
broken[14] = 0x97;
std::string mixed = ascii + utf8 + cp1252;
ASSERT_EQUALS(s3fs_wtf8_encode(ascii), ascii);
ASSERT_EQUALS(s3fs_wtf8_decode(ascii), ascii);
ASSERT_EQUALS(s3fs_wtf8_encode(utf8), utf8);
ASSERT_EQUALS(s3fs_wtf8_decode(utf8), utf8);
ASSERT_NEQUALS(s3fs_wtf8_encode(cp1252), cp1252);
ASSERT_EQUALS(s3fs_wtf8_decode(s3fs_wtf8_encode(cp1252)), cp1252);
ASSERT_NEQUALS(s3fs_wtf8_encode(broken), broken);
ASSERT_EQUALS(s3fs_wtf8_decode(s3fs_wtf8_encode(broken)), broken);
ASSERT_NEQUALS(s3fs_wtf8_encode(mixed), mixed);
ASSERT_EQUALS(s3fs_wtf8_decode(s3fs_wtf8_encode(mixed)), mixed);
}
void test_cr_encoding()
{
// bse strings
std::string base_no("STR");
std::string base_end_cr1("STR\r");
std::string base_mid_cr1("STR\rSTR");
std::string base_end_cr2("STR\r\r");
std::string base_mid_cr2("STR\r\rSTR");
std::string base_end_per1("STR%");
std::string base_mid_per1("STR%STR");
std::string base_end_per2("STR%%");
std::string base_mid_per2("STR%%STR");
std::string base_end_crlf1("STR\r\n");
std::string base_mid_crlf1("STR\r\nSTR");
std::string base_end_crlf2("STR\r\n\r\n");
std::string base_mid_crlf2("STR\r\n\r\nSTR");
std::string base_end_crper1("STR%\r");
std::string base_mid_crper1("STR%\rSTR");
std::string base_end_crper2("STR%\r%\r");
std::string base_mid_crper2("STR%\r%\rSTR");
// encode->decode->compare
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_no.c_str()).c_str()), base_no);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_end_cr1.c_str()).c_str()), base_end_cr1);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_mid_cr1.c_str()).c_str()), base_mid_cr1);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_end_cr2.c_str()).c_str()), base_end_cr2);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_mid_cr2.c_str()).c_str()), base_mid_cr2);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_end_per1.c_str()).c_str()), base_end_per1);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_mid_per1.c_str()).c_str()), base_mid_per1);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_end_per2.c_str()).c_str()), base_end_per2);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_mid_per2.c_str()).c_str()), base_mid_per2);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_end_crlf1.c_str()).c_str()), base_end_crlf1);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_mid_crlf1.c_str()).c_str()), base_mid_crlf1);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_end_crlf2.c_str()).c_str()), base_end_crlf2);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_mid_crlf2.c_str()).c_str()), base_mid_crlf2);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_end_crper1.c_str()).c_str()), base_end_crper1);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_mid_crper1.c_str()).c_str()), base_mid_crper1);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_end_crper2.c_str()).c_str()), base_end_crper2);
ASSERT_EQUALS(get_decoded_cr_code(get_encoded_cr_code(base_mid_crper2.c_str()).c_str()), base_mid_crper2);
}
int main(int argc, char *argv[])
{
S3fsLog singletonLog;
test_trim();
test_base64();
test_strtoofft();
test_wtf8_encoding();
test_cr_encoding();
return 0;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: expandtab sw=4 ts=4 fdm=marker
* vim<600: expandtab sw=4 ts=4
*/
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