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/**
* 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 <cctype>
#include <iostream>
#include "intern_string.hh"
#include "config.h"
#include "doctest/doctest.h"
TEST_CASE("string_fragment::startswith")
{
std::string empty;
auto sf = string_fragment{empty};
CHECK_FALSE(sf.startswith("abc"));
}
TEST_CASE("string_fragment::lt")
{
auto sf1 = string_fragment::from_const("abc");
auto sf2 = string_fragment::from_const("abcdef");
CHECK(sf1 < sf2);
CHECK_FALSE(sf2 < sf1);
}
TEST_CASE("split_lines")
{
std::string in1 = "Hello, World!";
std::string in2 = "Hello, World!\nGoodbye, World!";
{
auto sf = string_fragment(in1);
auto split = sf.split_lines();
CHECK(1 == split.size());
CHECK(in1 == split[0].to_string());
}
{
auto sf = string_fragment::from_str_range(in1, 7, -1);
auto split = sf.split_lines();
CHECK(1 == split.size());
CHECK("World!" == split[0].to_string());
}
{
auto sf = string_fragment(in2);
auto split = sf.split_lines();
CHECK(2 == split.size());
CHECK("Hello, World!\n" == split[0].to_string());
CHECK("Goodbye, World!" == split[1].to_string());
}
}
TEST_CASE("consume")
{
auto is_eq = string_fragment::tag1{'='};
auto is_dq = string_fragment::tag1{'"'};
auto is_colon = string_fragment::tag1{':'};
const char* pair = "foo = bar";
auto sf = string_fragment(pair);
auto split_sf = sf.split_while(isalnum);
CHECK(split_sf.has_value());
CHECK(split_sf->first.to_string() == "foo");
CHECK(split_sf->second.to_string() == " = bar");
auto value_frag = split_sf->second.skip(isspace).consume(is_eq);
CHECK(value_frag.has_value());
CHECK(value_frag->to_string() == " bar");
auto stripped_value_frag = value_frag->consume(isspace);
CHECK(stripped_value_frag.has_value());
CHECK(stripped_value_frag->to_string() == "bar");
auto no_value = sf.consume(is_colon);
CHECK(!no_value.has_value());
const char* qs = R"("foo \" bar")";
auto qs_sf = string_fragment{qs};
auto qs_body = qs_sf.consume(is_dq);
string_fragment::quoted_string_body qsb;
auto split_body = qs_body->split_while(qsb);
CHECK(split_body.has_value());
CHECK(split_body->first.to_string() == "foo \\\" bar");
CHECK(split_body->second.to_string() == "\"");
auto empty = split_body->second.consume(is_dq);
CHECK(empty.has_value());
CHECK(empty->empty());
}
TEST_CASE("find_left_boundary")
{
std::string in1 = "Hello,\nWorld!\n";
{
auto sf = string_fragment{in1};
auto world_sf = sf.find_left_boundary(
in1.length() - 3, [](auto ch) { return ch == '\n'; });
CHECK(world_sf.to_string() == "World!\n");
auto world_sf2 = sf.find_left_boundary(
in1.length() - 3, [](auto ch) { return ch == '\n'; }, 2);
CHECK(world_sf2.to_string() == "Hello,\nWorld!\n");
auto world_sf3 = sf.find_left_boundary(
in1.length() - 3, [](auto ch) { return ch == '\n'; }, 3);
CHECK(world_sf3.to_string() == "Hello,\nWorld!\n");
auto full_sf
= sf.find_left_boundary(3, [](auto ch) { return ch == '\n'; });
CHECK(full_sf.to_string() == in1);
}
}
TEST_CASE("find_right_boundary")
{
{
const auto sf = string_fragment::from_const("Hello,\nWorld!\n");
auto world_sf = sf.find_right_boundary(sf.length() - 3,
string_fragment::tag1{'\n'});
CHECK(world_sf.to_string() == "Hello,\nWorld!");
auto hello_sf
= sf.find_right_boundary(3, [](auto ch) { return ch == '\n'; });
CHECK(hello_sf.to_string() == "Hello,");
auto hello_sf2
= sf.find_right_boundary(3, string_fragment::tag1{'\n'}, 2);
CHECK(hello_sf2.to_string() == "Hello,\nWorld!");
}
}
TEST_CASE("find_boundaries_around")
{
{
const auto sf = string_fragment::from_const(
R"(Hello,
World!
Goodbye,
World!)");
auto all_sf1
= sf.find_boundaries_around(3, string_fragment::tag1{'\n'});
CHECK(all_sf1 == "Hello,");
auto all_sf2
= sf.find_boundaries_around(3, string_fragment::tag1{'\n'}, 2);
CHECK(all_sf2 == "Hello,\nWorld!");
}
}
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