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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "test_global.hpp"
#include "numeric_parser.hpp"
#include <cassert>
#include <iostream>
#include <vector>
#include <limits>
using namespace orcus;
using std::cout;
using std::endl;
namespace {
struct check
{
std::string_view str;
double expected;
};
const double invalid = std::numeric_limits<double>::quiet_NaN();
template<typename ParserT>
bool run_checks(const std::vector<check>& checks)
{
for (const check& c : checks)
{
ParserT parser(c.str.data(), c.str.data() + c.str.size());
double v = parser.parse();
if (std::isnan(c.expected))
{
if (!std::isnan(v))
{
cout << "'" << c.str << "' was expected to be invalid, but parser parsed as if it was valid." << endl;
return false;
}
}
else
{
if (v != c.expected)
{
cout << "'" << c.str << "' was expected to be parsed as (" << c.expected << "), but the parser parsed it as (" << v << ")" << endl;
return false;
}
}
}
return true;
}
}
void test_generic_number_parsing()
{
using parser_type = detail::numeric_parser<detail::generic_parser_trait>;
std::vector<check> checks = {
{ "-6.e3", -6e3 },
{ "true", invalid },
{ "1", 1.0 },
{ "1.0", 1.0 },
{ "-1.0", -1.0 },
{ "-01", -1.0 },
{ "2e2", 200.0 },
{ "1.2", 1.2 },
{ "-0.0001", -0.0001 },
{ "-0.0", 0.0 },
{ "+.", invalid },
{ "+e", invalid },
{ "+e1", invalid },
{ "+ ", invalid },
{ "- ", invalid }
};
assert(run_checks<parser_type>(checks));
}
void test_json_number_parsing()
{
using parser_type = detail::numeric_parser<detail::json_parser_trait>;
std::vector<check> checks = {
{ "-01", invalid }, // Leading zeros are invalid.
};
assert(run_checks<parser_type>(checks));
}
int main()
{
test_generic_number_parsing();
test_json_number_parsing();
return EXIT_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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