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lnav/src/base/string_util.tests.cc

91 lines
2.8 KiB
C++

/**
* Copyright (c) 2021, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <iostream>
#include "base/string_util.hh"
#include "base/strnatcmp.h"
#include "config.h"
#include "doctest/doctest.h"
TEST_CASE("endswith")
{
std::string hw("hello");
CHECK(endswith(hw, "f") == false);
CHECK(endswith(hw, "lo") == true);
}
TEST_CASE("truncate_to")
{
const std::string orig = "0123456789abcdefghijklmnopqrstuvwxyz";
std::string str;
truncate_to(str, 10);
CHECK(str == "");
str = "abc";
truncate_to(str, 10);
CHECK(str == "abc");
str = orig;
truncate_to(str, 10);
CHECK(str == "01234\u22efwxyz");
str = orig;
truncate_to(str, 1);
CHECK(str == "\u22ef");
str = orig;
truncate_to(str, 2);
CHECK(str == "\u22ef");
str = orig;
truncate_to(str, 3);
CHECK(str == "0\u22efz");
str = orig;
truncate_to(str, 4);
CHECK(str == "01\u22efz");
str = orig;
truncate_to(str, 5);
CHECK(str == "01\u22efyz");
}
TEST_CASE("strnatcmp")
{
{
constexpr const char* n1 = "010";
constexpr const char* n2 = "020";
CHECK(strnatcmp(strlen(n1), n1, strlen(n2), n2) < 0);
}
{
constexpr const char* n1 = "2";
constexpr const char* n2 = "10";
CHECK(strnatcmp(strlen(n1), n1, strlen(n2), n2) < 0);
}
}