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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 <orcus/threaded_json_parser.hpp>
#include <cstring>
using namespace orcus;
using namespace std;
class handler
{
json::parse_tokens_t m_tokens;
public:
void begin_parse()
{
m_tokens.emplace_back(json::parse_token_t::begin_parse);
}
void end_parse()
{
m_tokens.emplace_back(json::parse_token_t::end_parse);
}
void begin_array()
{
m_tokens.emplace_back(json::parse_token_t::begin_array);
}
void end_array()
{
m_tokens.emplace_back(json::parse_token_t::end_array);
}
void begin_object()
{
m_tokens.emplace_back(json::parse_token_t::begin_object);
}
void object_key(const char* p, size_t len, bool transient)
{
assert(!transient); // transient is never true with the threaded parser.
m_tokens.emplace_back(json::parse_token_t::object_key, std::string_view{p, len});
}
void end_object()
{
m_tokens.emplace_back(json::parse_token_t::end_object);
}
void boolean_true()
{
m_tokens.emplace_back(json::parse_token_t::boolean_true);
}
void boolean_false()
{
m_tokens.emplace_back(json::parse_token_t::boolean_false);
}
void null()
{
m_tokens.emplace_back(json::parse_token_t::null);
}
void string(const char* p, size_t len, bool transient)
{
assert(!transient); // transient is never true with the threaded parser.
m_tokens.emplace_back(json::parse_token_t::string, std::string_view{p, len});
}
void number(double val)
{
m_tokens.emplace_back(val);
}
const json::parse_tokens_t& get_tokens() const
{
return m_tokens;
}
};
void test_parser(const char* src, const json::parse_tokens_t& expected)
{
cout << "source: " << src << endl;
handler hdl;
threaded_json_parser<handler> parser(src, std::strlen(src), hdl, 5, 5);
parser.parse();
if (hdl.get_tokens() != expected)
{
cout << "Expected tokens:" << endl;
cout << expected;
cout << "Actual tokens:" << endl;
cout << hdl.get_tokens();
abort();
}
}
void test_threaded_json_parser_basic()
{
struct test_case
{
const char* source;
json::parse_tokens_t expected;
};
test_case tcs[] =
{
{
"[1,2,3]",
{
{ json::parse_token_t::begin_parse },
{ json::parse_token_t::begin_array },
{ 1.0 },
{ 2.0 },
{ 3.0 },
{ json::parse_token_t::end_array },
{ json::parse_token_t::end_parse },
}
},
{
"{\"foo\": [true, false, null]}",
{
{ json::parse_token_t::begin_parse },
{ json::parse_token_t::begin_object },
{ json::parse_token_t::object_key, std::string_view{"foo"} },
{ json::parse_token_t::begin_array },
{ json::parse_token_t::boolean_true },
{ json::parse_token_t::boolean_false },
{ json::parse_token_t::null },
{ json::parse_token_t::end_array },
{ json::parse_token_t::end_object },
{ json::parse_token_t::end_parse },
}
}
};
for (size_t i = 0, n = std::size(tcs); i < n; ++i)
test_parser(tcs[i].source, tcs[i].expected);
}
void test_threaded_json_parser_invalid()
{
const char* invalids[] = {
"[foo]",
"[qwerty]",
"[1,2] null",
"{\"key\" 1: 12}",
"[1,,2]",
"\"key\": {\"inner\": 12}"
};
for (size_t i = 0; i < std::size(invalids); ++i)
{
const char* src = invalids[i];
try
{
handler hdl;
threaded_json_parser<handler> parser(src, std::strlen(src), hdl, 1);
parser.parse();
assert(false);
}
catch (const parse_error&)
{
// works as expected.
cout << "invalid source: " << src << endl;
}
}
}
int main()
{
test_threaded_json_parser_basic();
test_threaded_json_parser_invalid();
return EXIT_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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