tomlplusplus/tests/manipulating_parse_result.cpp

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// This file is a part of toml++ and is subject to the the terms of the MIT license.
// Copyright (c) 2019-2020 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
#include "tests.h"
#if !TOML_EXCEPTIONS
TEST_CASE("parse_result - good parse")
{
auto result = "key = true"_toml;
static_assert(std::is_same_v<decltype(result), parse_result>);
static_assert(!std::is_same_v<decltype(result), table>);
REQUIRE(result.succeeded());
REQUIRE(!result.failed());
REQUIRE(result);
REQUIRE(!result.get().empty());
REQUIRE(result.get().size() == 1);
REQUIRE(!std::move(result).get().empty());
REQUIRE(!static_cast<const parse_result&>(result).get().empty());
REQUIRE(!static_cast<table&>(result).empty());
REQUIRE(!static_cast<table&&>(result).empty());
REQUIRE(!static_cast<const table&>(result).empty());
auto& tbl = static_cast<table&>(result);
CHECK(tbl[S("key"sv)]);
CHECK(result[S("key"sv)]);
CHECK(&result[S("key"sv)].ref<bool>() == &tbl[S("key"sv)].ref<bool>());
CHECK(result.begin() == tbl.begin());
CHECK(result.end() == tbl.end());
CHECK(result.begin() != tbl.end());
CHECK(result.cbegin() == tbl.cbegin());
CHECK(result.cend() == tbl.cend());
CHECK(result.cbegin() != tbl.cend());
auto& cresult = static_cast<const parse_result&>(result);
auto& ctbl = static_cast<const table&>(cresult);
CHECK(cresult.begin() == ctbl.begin());
CHECK(cresult.end() == ctbl.end());
CHECK(cresult.begin() != ctbl.end());
CHECK(cresult.cbegin() == ctbl.cbegin());
CHECK(cresult.cend() == ctbl.cend());
CHECK(cresult.cbegin() != ctbl.cend());
CHECK(ctbl[S("key"sv)]);
CHECK(cresult[S("key"sv)]);
CHECK(&cresult[S("key"sv)].ref<bool>() == &ctbl[S("key"sv)].ref<bool>());
size_t tbl_iterations{};
for (auto&& [k, v] : tbl)
{
(void)k; (void)v;
tbl_iterations++;
}
size_t result_iterations{};
for (auto& [k, v] : result)
{
(void)k; (void)v;
result_iterations++;
}
size_t cresult_iterations{};
for (auto [k, v] : cresult)
{
(void)k; (void)v;
cresult_iterations++;
}
CHECK(tbl_iterations == tbl.size());
CHECK(tbl_iterations == result_iterations);
CHECK(tbl_iterations == cresult_iterations);
}
TEST_CASE("parse_result - bad parse")
{
auto result = "key = trUe"_toml;
static_assert(std::is_same_v<decltype(result), parse_result>);
static_assert(!std::is_same_v<decltype(result), table>);
REQUIRE(!result.succeeded());
REQUIRE(result.failed());
REQUIRE(!result);
CHECK(!result[S("key"sv)]);
CHECK(result.begin() == decltype(result.begin()){});
CHECK(result.end() == decltype(result.end()){});
CHECK(result.cbegin() == decltype(result.cbegin()){});
CHECK(result.cend() == decltype(result.cend()){});
auto& cresult = static_cast<const parse_result&>(result);
CHECK(!result[S("key"sv)]);
CHECK(cresult.begin() == decltype(cresult.begin()){});
CHECK(cresult.end() == decltype(cresult.end()){});
CHECK(cresult.cbegin() == decltype(cresult.cbegin()){});
CHECK(cresult.cend() == decltype(cresult.cend()){});
for (auto [k, v] : result)
{
(void)k; (void)v;
FAIL("This code should not run");
}
for (auto [k, v] : cresult)
{
(void)k; (void)v;
FAIL("This code should not run");
}
}
#endif //!TOML_EXCEPTIONS