tdlight/test/string_cleaning.cpp

115 lines
5.9 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/misc.h"
#include "td/utils/Slice.h"
#include "td/utils/tests.h"
TEST(StringCleaning, clean_name) {
ASSERT_EQ("@mention", td::clean_name("@mention", 1000000));
ASSERT_EQ("@mention", td::clean_name(" @mention ", 1000000));
ASSERT_EQ("@MENTION", td::clean_name("@MENTION", 1000000));
ASSERT_EQ("ЛШТШФУМ", td::clean_name("ЛШТШФУМ", 1000000));
ASSERT_EQ("....", td::clean_name("....", 1000000));
ASSERT_EQ(". ASD ..", td::clean_name(". ASD ..", 1000000));
ASSERT_EQ(". ASD", td::clean_name(". ASD ..", 10));
ASSERT_EQ(". ASD", td::clean_name(".\n\n\nASD\n\n\n..", 10));
ASSERT_EQ("", td::clean_name("\n\n\n\n\n\n", 1000000));
ASSERT_EQ("",
td::clean_name("\xC2\xA0\xC2\xA0\xC2\xA0\xC2\xA0\xC2\xA0\n\n\n\n\n\n \n\xC2\xA0 \xC2\xA0 \n", 100000));
ASSERT_EQ("abc", td::clean_name("\xC2\xA0\xC2\xA0"
"abc\xC2\xA0\xC2\xA0\xC2\xA0\xC2\xA0",
1000000));
}
TEST(StringCleaning, clean_username) {
ASSERT_EQ("@mention", td::clean_username("@mention"));
ASSERT_EQ("@mention", td::clean_username(" @mention "));
ASSERT_EQ("@mention", td::clean_username("@MENTION"));
ASSERT_EQ("ЛШТШФУМ", td::clean_username("ЛШТШФУМ"));
ASSERT_EQ("", td::clean_username("...."));
ASSERT_EQ("asd", td::clean_username(". ASD .."));
}
static void check_clean_input_string(td::string str, const td::string &expected, bool expected_result) {
auto result = td::clean_input_string(str);
ASSERT_EQ(expected_result, result);
if (result) {
ASSERT_EQ(expected, str);
}
}
TEST(StringCleaning, clean_input_string) {
check_clean_input_string("/abc", "/abc", true);
check_clean_input_string(td::string(50000, 'a'), td::string(34996, 'a'), true);
check_clean_input_string("\xff", "", false);
check_clean_input_string("\xc0\x80", "", false);
check_clean_input_string("\xd0", "", false);
check_clean_input_string("\xe0\xaf", "", false);
check_clean_input_string("\xf0\xa6", "", false);
check_clean_input_string("\xf0\xa6\x88", "", false);
check_clean_input_string("\xf4\x8f\xbf\xbf", "\xf4\x8f\xbf\xbf", true);
check_clean_input_string("\xf4\x8f\xbf\xc0", "", false);
check_clean_input_string("\r\r\r\r\r\r\r", "", true);
check_clean_input_string("\r\n\r\n\r\n\r\n\r\n\r\n\r", "\n\n\n\n\n\n", true);
check_clean_input_string(td::Slice("\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13"
"\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21")
.str(),
" \x0a \x21", true);
check_clean_input_string(
"\xe2\x80\xa7\xe2\x80\xa8\xe2\x80\xa9\xe2\x80\xaa\xe2\x80\xab\xe2\x80\xac\xe2\x80\xad\xe2\x80\xae\xe2\x80\xaf",
"\xe2\x80\xa7\xe2\x80\xaf", true);
check_clean_input_string(
"\xe2\x80\x8f\xe2\x80\x8f \xe2\x80\x8e\xe2\x80\x8e\xe2\x80\x8e\xe2\x80\x8c \xe2\x80\x8f\xe2\x80\x8e "
"\xe2\x80\x8f",
"\xe2\x80\x8c\xe2\x80\x8f \xe2\x80\x8c\xe2\x80\x8c\xe2\x80\x8e\xe2\x80\x8c \xe2\x80\x8c\xe2\x80\x8e "
"\xe2\x80\x8f",
true);
check_clean_input_string("\xcc\xb3\xcc\xbf\xcc\x8a", "", true);
}
static void check_strip_empty_characters(td::string str, std::size_t max_length, const td::string &expected,
bool strip_rtlo = false) {
ASSERT_EQ(expected, td::strip_empty_characters(std::move(str), max_length, strip_rtlo));
}
TEST(StringCleaning, strip_empty_characters) {
check_strip_empty_characters("/abc", 4, "/abc");
check_strip_empty_characters("/abc", 3, "/ab");
check_strip_empty_characters("/abc", 0, "");
check_strip_empty_characters("/abc", 10000000, "/abc");
td::string spaces =
u8"\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u2800\u3000\uFFFC"
u8"\uFFFC";
td::string spaces_replace = " ";
td::string rtlo = u8"\u202E";
td::string empty = "\xE2\x80\x8B\xE2\x80\x8C\xE2\x80\x8D\xE2\x80\x8E\xE2\x80\x8F\xE2\x80\xAE\xC2\xA0\xC2\xA0";
check_strip_empty_characters(spaces, 1000000, "");
check_strip_empty_characters(spaces + rtlo, 1000000, "");
check_strip_empty_characters(spaces + rtlo, 1000000, "", true);
check_strip_empty_characters(spaces + rtlo + "a", 1000000, rtlo + "a");
check_strip_empty_characters(spaces + rtlo + "a", 1000000, "a", true);
check_strip_empty_characters(empty, 1000000, "");
check_strip_empty_characters(empty + "a", 1000000, empty + "a");
check_strip_empty_characters(spaces + empty + spaces + "abc" + spaces, 1000000, empty + spaces_replace + "abc");
check_strip_empty_characters(spaces + spaces + empty + spaces + spaces + empty + empty, 1000000, "");
check_strip_empty_characters("\r\r\r\r\r\r\r", 1000000, "");
check_strip_empty_characters("\r\n\r\n\r\n\r\n\r\n\r\n\r", 1000000, "");
check_strip_empty_characters(td::Slice(" \t\r\n\0\va\v\0\n\r\t ").str(), 1000000, "a");
check_strip_empty_characters(td::Slice("\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12"
"\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21")
.str(),
1000000,
"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14"
"\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21");
check_strip_empty_characters("\xcc\xb3\xcc\xbf\xcc\x8a", 2, "\xcc\xb3\xcc\xbf");
check_strip_empty_characters(
"\xe2\x80\xa7\xe2\x80\xa8\xe2\x80\xa9\xe2\x80\xaa\xe2\x80\xab\xe2\x80\xac\xe2\x80\xad\xe2\x80\xae", 3,
"\xe2\x80\xa7\xe2\x80\xa8\xe2\x80\xa9");
}