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tomlplusplus/tests/tests.h
Andrea Pappacoda 5e6008329f refactor: deprecate TOML_API, add more specific defines
2022-02-12 22:04:16 +02:00

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// This file is a part of toml++ and is subject to the the terms of the MIT license.
// Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
// SPDX-License-Identifier: MIT
#pragma once
#include "settings.h"
#if USE_TARTANLLAMA_OPTIONAL
#include "lib_tloptional.h"
#endif
#if USE_SINGLE_HEADER
#include "../toml.hpp"
#else
#include "../include/toml++/toml.h"
#endif
#if defined(TOML_FP16) ^ SHOULD_HAVE_FP16
#error TOML_FP16 was not deduced correctly
#endif
#if defined(TOML_FLOAT16) ^ SHOULD_HAVE_FLOAT16
#error TOML_FLOAT16 was not deduced correctly
#endif
#if defined(TOML_FLOAT128) ^ SHOULD_HAVE_FLOAT128
#error TOML_FLOAT128 was not deduced correctly
#endif
#if defined(TOML_INT128) ^ SHOULD_HAVE_INT128
#error TOML_INT128 was not deduced correctly
#endif
#if defined(TOML_INT128) ^ defined(TOML_UINT128)
#error TOML_INT128 and TOML_UINT128 must both be defined, or neither be defined
#endif
#if TOML_COMPILER_EXCEPTIONS ^ SHOULD_HAVE_EXCEPTIONS
#error TOML_COMPILER_EXCEPTIONS was not deduced correctly
#endif
#if TOML_COMPILER_EXCEPTIONS ^ TOML_EXCEPTIONS
#error TOML_EXCEPTIONS does not match TOML_COMPILER_EXCEPTIONS (default behaviour should be to match)
#endif
#if defined(_WIN32) ^ TOML_ENABLE_WINDOWS_COMPAT
#error TOML_ENABLE_WINDOWS_COMPAT does not match _WIN32 (default behaviour should be to match)
#endif
#if TOML_LIB_SINGLE_HEADER ^ USE_SINGLE_HEADER
#error TOML_LIB_SINGLE_HEADER was not set correctly
#endif
#if TOML_ICC
#define UNICODE_LITERALS_OK 0
#else
#define UNICODE_LITERALS_OK 1
#endif
TOML_DISABLE_SPAM_WARNINGS;
TOML_DISABLE_ARITHMETIC_WARNINGS;
#if TOML_CLANG == 13
#pragma clang diagnostic ignored "-Wreserved-identifier" // false-positive
#endif
TOML_DISABLE_WARNINGS;
#include "lib_catch2.h"
#include <sstream>
namespace toml
{
}
using namespace Catch::literals;
using namespace toml;
TOML_ENABLE_WARNINGS;
TOML_NODISCARD
TOML_ATTR(const)
TOML_ALWAYS_INLINE
constexpr size_t operator"" _sz(unsigned long long n) noexcept
{
return static_cast<size_t>(n);
}
#define FILE_LINE_ARGS trim_file_path(std::string_view{ __FILE__ }), __LINE__
#define BOM_PREFIX "\xEF\xBB\xBF"
#if TOML_EXCEPTIONS
#define FORCE_FAIL(...) FAIL(__VA_ARGS__)
#else
#define FORCE_FAIL(...) \
do \
{ \
FAIL(__VA_ARGS__); \
std::exit(-1); \
TOML_UNREACHABLE; \
} \
while (false)
#endif
#define CHECK_SYMMETRIC_RELOP(lhs, op, rhs, result) \
CHECK(((lhs)op(rhs)) == (result)); \
CHECK(((rhs)op(lhs)) == (result))
#define CHECK_SYMMETRIC_EQUAL(lhs, rhs) \
CHECK_SYMMETRIC_RELOP(lhs, ==, rhs, true); \
CHECK_SYMMETRIC_RELOP(lhs, !=, rhs, false)
#define CHECK_SYMMETRIC_INEQUAL(lhs, rhs) \
CHECK_SYMMETRIC_RELOP(lhs, ==, rhs, false); \
CHECK_SYMMETRIC_RELOP(lhs, !=, rhs, true)
template <typename T>
struct type_tag
{
using type = T;
};
// function_view - adapted from here: https://vittorioromeo.info/index/blog/passing_functions_to_functions.html
template <typename Func>
class function_view;
template <typename R, typename... P>
class function_view<R(P...)> final
{
private:
using func_type = R(P...);
using eraser_func_type = R(void*, P&&...);
mutable void* ptr_ = {};
mutable eraser_func_type* eraser = {};
public:
function_view() noexcept = default;
template <typename T>
function_view(T&& x) noexcept : ptr_{ reinterpret_cast<void*>(std::addressof(x)) }
{
eraser = [](void* ptr, P&&... xs) -> R
{ return (*reinterpret_cast<std::add_pointer_t<std::remove_reference_t<T>>>(ptr))(std::forward<P>(xs)...); };
}
decltype(auto) operator()(P&&... xs) const
{
return eraser(ptr_, std::forward<P>(xs)...);
}
TOML_NODISCARD
operator bool() const noexcept
{
return !!ptr_;
}
};
using pss_func = function_view<void(table&&)>;
bool parsing_should_succeed(std::string_view test_file,
uint32_t test_line,
std::string_view toml_str,
pss_func&& func = {},
std::string_view source_path = {});
bool parsing_should_fail(std::string_view test_file,
uint32_t test_line,
std::string_view toml_str,
source_index expected_failure_line = static_cast<source_index>(-1),
source_index expected_failure_column = static_cast<source_index>(-1));
TOML_PURE_GETTER
constexpr std::string_view trim_file_path(std::string_view sv) noexcept
{
const auto src = std::min(sv.rfind("\\"sv), sv.rfind("/"sv));
if (src != std::string_view::npos)
sv = sv.substr(src + 1_sz);
return sv;
}
template <typename T>
inline bool parse_expected_value(std::string_view test_file,
uint32_t test_line,
std::string_view value_str,
const T& expected)
{
INFO("["sv << test_file << ", line "sv << test_line << "] "sv
<< "parse_expected_value(\""sv << value_str << "\")"sv)
std::string val;
static constexpr auto key = "val = "sv;
val.reserve(key.length() + value_str.length());
val.append(key);
val.append(value_str);
static constexpr auto is_val = [](char32_t codepoint)
{
if constexpr (impl::node_type_of<T> == node_type::string)
return codepoint == U'"' || codepoint == U'\'';
else
return !impl::is_whitespace(codepoint);
};
source_position pos{ 1, static_cast<source_index>(key.length()) };
source_position begin{}, end{};
{
impl::utf8_decoder decoder;
for (auto c : value_str)
{
decoder(static_cast<uint8_t>(c));
if (!decoder.has_code_point())
continue;
if (impl::is_ascii_vertical_whitespace(decoder.codepoint))
{
if (decoder.codepoint == U'\n')
{
pos.line++;
pos.column = source_index{ 1 };
}
continue;
}
pos.column++;
if (is_val(decoder.codepoint))
{
if (!begin)
begin = pos;
else
end = pos;
}
}
if (!end)
end = begin;
end.column++;
}
using value_type = impl::native_type_of<impl::remove_cvref<T>>;
value<value_type> val_parsed;
{
INFO("["sv << test_file << ", line "sv << test_line << "] "sv
<< "parse_expected_value: Checking initial parse"sv)
bool stolen_value = false; // parsing_should_succeed invokes the functor more than once
const auto result = parsing_should_succeed(
test_file,
test_line,
std::string_view{ val },
[&](table&& tbl)
{
REQUIRE(tbl.size() == 1);
auto nv = tbl["val"sv];
REQUIRE(nv);
REQUIRE(nv.is<value_type>());
REQUIRE(nv.as<value_type>());
REQUIRE(nv.type() == impl::node_type_of<T>);
REQUIRE(nv.node());
REQUIRE(nv.node()->is<value_type>());
REQUIRE(nv.node()->as<value_type>());
REQUIRE(nv.node()->type() == impl::node_type_of<T>);
// check homogeneity
REQUIRE(nv.is_homogeneous());
REQUIRE(nv.is_homogeneous(node_type::none));
REQUIRE(nv.is_homogeneous(impl::node_type_of<T>));
REQUIRE(nv.is_homogeneous<value_type>());
REQUIRE(nv.node()->is_homogeneous());
REQUIRE(nv.node()->is_homogeneous(node_type::none));
REQUIRE(nv.node()->is_homogeneous(impl::node_type_of<T>));
REQUIRE(nv.node()->is_homogeneous<value_type>());
for (auto nt = impl::unwrap_enum(node_type::table); nt <= impl::unwrap_enum(node_type::date_time); nt++)
{
if (node_type{ nt } == impl::node_type_of<T>)
continue;
node* first_nonmatch{};
REQUIRE(!nv.is_homogeneous(node_type{ nt }));
REQUIRE(!nv.is_homogeneous(node_type{ nt }, first_nonmatch));
REQUIRE(first_nonmatch == nv.node());
REQUIRE(!nv.node()->is_homogeneous(node_type{ nt }));
REQUIRE(!nv.node()->is_homogeneous(node_type{ nt }, first_nonmatch));
REQUIRE(first_nonmatch == nv.node());
}
// check the raw value
REQUIRE(nv.node()->value<value_type>() == expected);
REQUIRE(nv.node()->value_or(T{}) == expected);
REQUIRE(nv.as<value_type>()->get() == expected);
REQUIRE(nv.value<value_type>() == expected);
REQUIRE(nv.value_or(T{}) == expected);
REQUIRE(nv.ref<value_type>() == expected);
REQUIRE(nv.node()->ref<value_type>() == expected);
// check the table relops
REQUIRE(tbl == table{ { { "val"sv, expected } } });
REQUIRE(!(tbl != table{ { { "val"sv, expected } } }));
// check value/node relops
CHECK_SYMMETRIC_EQUAL(*nv.as<value_type>(), *nv.as<value_type>());
CHECK_SYMMETRIC_EQUAL(*nv.as<value_type>(), expected);
CHECK_SYMMETRIC_EQUAL(nv, expected);
// make sure source info is correct
CHECK_SYMMETRIC_EQUAL(nv.node()->source().begin, begin);
CHECK_SYMMETRIC_EQUAL(nv.node()->source().end, end);
// check float identities etc
if constexpr (std::is_same_v<value_type, double>)
{
auto& float_node = *nv.as<value_type>();
const auto fpcls = impl::fpclassify(*float_node);
if (fpcls == impl::fp_class::nan)
{
CHECK_SYMMETRIC_EQUAL(float_node, std::numeric_limits<double>::quiet_NaN());
CHECK_SYMMETRIC_INEQUAL(float_node, std::numeric_limits<double>::infinity());
CHECK_SYMMETRIC_INEQUAL(float_node, -std::numeric_limits<double>::infinity());
CHECK_SYMMETRIC_INEQUAL(float_node, 1.0);
CHECK_SYMMETRIC_INEQUAL(float_node, 0.0);
CHECK_SYMMETRIC_INEQUAL(float_node, -1.0);
}
else if (fpcls == impl::fp_class::neg_inf || fpcls == impl::fp_class::pos_inf)
{
CHECK_SYMMETRIC_INEQUAL(float_node, std::numeric_limits<double>::quiet_NaN());
if (fpcls == impl::fp_class::neg_inf)
{
CHECK_SYMMETRIC_EQUAL(float_node, -std::numeric_limits<double>::infinity());
CHECK_SYMMETRIC_INEQUAL(float_node, std::numeric_limits<double>::infinity());
}
else
{
CHECK_SYMMETRIC_EQUAL(float_node, std::numeric_limits<double>::infinity());
CHECK_SYMMETRIC_INEQUAL(float_node, -std::numeric_limits<double>::infinity());
}
CHECK_SYMMETRIC_INEQUAL(float_node, 1.0);
CHECK_SYMMETRIC_INEQUAL(float_node, 0.0);
CHECK_SYMMETRIC_INEQUAL(float_node, -1.0);
}
else
{
CHECK_SYMMETRIC_INEQUAL(float_node, std::numeric_limits<double>::quiet_NaN());
CHECK_SYMMETRIC_INEQUAL(float_node, std::numeric_limits<double>::infinity());
CHECK_SYMMETRIC_INEQUAL(float_node, -std::numeric_limits<double>::infinity());
CHECK_SYMMETRIC_EQUAL(float_node, *float_node);
if (std::abs(*float_node) <= 1e10)
{
CHECK_SYMMETRIC_INEQUAL(float_node, *float_node + 100.0);
CHECK_SYMMETRIC_INEQUAL(float_node, *float_node - 100.0);
}
CHECK(float_node < std::numeric_limits<double>::infinity());
CHECK(float_node > -std::numeric_limits<double>::infinity());
}
}
// steal the val for round-trip tests
if (!stolen_value)
{
val_parsed = std::move(*nv.as<value_type>());
stolen_value = true;
}
});
if (!result)
return false;
}
// check round-tripping
{
INFO("["sv << test_file << ", line "sv << test_line << "] "sv
<< "parse_expected_value: Checking round-trip"sv)
{
std::string str;
{
auto tbl = table{ { { "val"sv, *val_parsed } } };
std::ostringstream ss;
ss << tbl;
str = std::move(ss).str();
}
bool value_ok = true;
const auto parse_ok =
parsing_should_succeed(test_file,
test_line,
std::string_view{ str },
[&](table&& tbl)
{
REQUIRE(tbl.size() == 1);
auto nv = tbl["val"sv];
REQUIRE(nv);
REQUIRE(nv.as<value_type>());
REQUIRE(nv.node()->type() == impl::node_type_of<T>);
if (value_ok && nv.ref<value_type>() != expected)
{
value_ok = false;
FORCE_FAIL("Value was not the same after round-tripping"sv);
}
});
if (!parse_ok || value_ok)
return false;
}
}
return true;
}
// manually instantiate some templates to reduce obj bloat and test compilation time
extern template bool parse_expected_value(std::string_view, uint32_t, std::string_view, const int&);
extern template bool parse_expected_value(std::string_view, uint32_t, std::string_view, const unsigned int&);
extern template bool parse_expected_value(std::string_view, uint32_t, std::string_view, const bool&);
extern template bool parse_expected_value(std::string_view, uint32_t, std::string_view, const float&);
extern template bool parse_expected_value(std::string_view, uint32_t, std::string_view, const double&);
extern template bool parse_expected_value(std::string_view, uint32_t, std::string_view, const std::string_view&);
namespace std
{
extern template class unique_ptr<const Catch::IExceptionTranslator>;
}
namespace Catch
{
extern template struct StringMaker<node_view<node>>;
extern template struct StringMaker<node_view<const node>>;
extern template ReusableStringStream& ReusableStringStream::operator<<(node_view<node> const&);
extern template ReusableStringStream& ReusableStringStream::operator<<(node_view<const node> const&);
namespace Detail
{
extern template std::string stringify(const node_view<node>&);
extern template std::string stringify(const node_view<const node>&);
}
}
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