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#include <boost/property_tree/json_parser/detail/parser.hpp>
#include <boost/property_tree/json_parser/detail/narrow_encoding.hpp>
#include <boost/property_tree/json_parser/detail/wide_encoding.hpp>
#include <boost/property_tree/json_parser/detail/standard_callbacks.hpp>
#include "prefixing_callbacks.hpp"
#define BOOST_TEST_NO_MAIN
#include <boost/test/unit_test.hpp>
#include <boost/test/parameterized_test.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/range/iterator_range.hpp>
#include <cassert>
#include <sstream>
#include <vector>
using namespace boost::property_tree;
template <typename Ch> struct encoding;
template <> struct encoding<char>
: json_parser::detail::utf8_utf8_encoding
{};
template <> struct encoding<wchar_t>
: json_parser::detail::wide_wide_encoding
{};
template <typename Callbacks, typename Ch>
struct test_parser
{
Callbacks callbacks;
::encoding<Ch> encoding;
typedef std::basic_string<Ch> string;
typedef basic_ptree<string, string> tree;
json_parser::detail::parser<Callbacks, ::encoding<Ch>,
typename string::const_iterator,
typename string::const_iterator>
parser;
test_parser() : parser(callbacks, encoding) {}
bool parse_null(const string& input, string& output) {
parser.set_input("", input);
bool result = parser.parse_null();
if (result) {
parser.finish();
output = callbacks.output().data();
}
return result;
}
bool parse_boolean(const string& input, string& output) {
parser.set_input("", input);
bool result = parser.parse_boolean();
if (result) {
parser.finish();
output = callbacks.output().data();
}
return result;
}
bool parse_number(const string& input, string& output) {
parser.set_input("", input);
bool result = parser.parse_number();
if (result) {
parser.finish();
output = callbacks.output().data();
}
return result;
}
bool parse_string(const string& input, string& output) {
parser.set_input("", input);
bool result = parser.parse_string();
if (result) {
parser.finish();
output = callbacks.output().data();
}
return result;
}
bool parse_array(const string& input, tree& output) {
parser.set_input("", input);
bool result = parser.parse_array();
if (result) {
parser.finish();
output = callbacks.output();
}
return result;
}
bool parse_object(const string& input, tree& output) {
parser.set_input("", input);
bool result = parser.parse_object();
if (result) {
parser.finish();
output = callbacks.output();
}
return result;
}
void parse_value(const string& input, tree& output) {
parser.set_input("", input);
parser.parse_value();
parser.finish();
output = callbacks.output();
}
};
template <typename Ch>
struct standard_parser
: test_parser<
json_parser::detail::standard_callbacks<
basic_ptree<std::basic_string<Ch>, std::basic_string<Ch> > >,
Ch>
{};
template <typename Ch>
struct prefixing_parser
: test_parser<
prefixing_callbacks<
basic_ptree<std::basic_string<Ch>, std::basic_string<Ch> > >,
Ch>
{};
#define BOM_N "\xef\xbb\xbf"
#define BOM_W L"\xfeff"
namespace boost { namespace test_tools { namespace tt_detail {
template<>
struct print_log_value<std::wstring> {
void operator()(std::ostream& os, const std::wstring& s) {
print_log_value<const wchar_t*>()(os, s.c_str());
}
};
}}}
BOOST_TEST_DONT_PRINT_LOG_VALUE(ptree::iterator)
BOOST_TEST_DONT_PRINT_LOG_VALUE(ptree::const_iterator)
BOOST_TEST_DONT_PRINT_LOG_VALUE(wptree::iterator)
BOOST_TEST_DONT_PRINT_LOG_VALUE(wptree::const_iterator)
BOOST_AUTO_TEST_CASE(null_parse_result_is_input) {
std::string parsed;
standard_parser<char> p;
BOOST_REQUIRE(p.parse_null("null", parsed));
BOOST_CHECK_EQUAL("null", parsed);
}
BOOST_AUTO_TEST_CASE(uses_traits_from_null)
{
std::string parsed;
prefixing_parser<char> p;
BOOST_REQUIRE(p.parse_null("null", parsed));
BOOST_CHECK_EQUAL("_:null", parsed);
}
BOOST_AUTO_TEST_CASE(null_parse_skips_bom) {
std::string parsed;
standard_parser<char> p;
BOOST_REQUIRE(p.parse_null(BOM_N "null", parsed));
BOOST_CHECK_EQUAL("null", parsed);
}
BOOST_AUTO_TEST_CASE(null_parse_result_is_input_w) {
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_REQUIRE(p.parse_null(L"null", parsed));
BOOST_CHECK_EQUAL(L"null", parsed);
}
BOOST_AUTO_TEST_CASE(uses_traits_from_null_w)
{
std::wstring parsed;
prefixing_parser<wchar_t> p;
BOOST_REQUIRE(p.parse_null(L"null", parsed));
BOOST_CHECK_EQUAL(L"_:null", parsed);
}
BOOST_AUTO_TEST_CASE(null_parse_skips_bom_w) {
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_REQUIRE(p.parse_null(BOM_W L"null", parsed));
BOOST_CHECK_EQUAL(L"null", parsed);
}
void boolean_parse_result_is_input_n(const char* param) {
std::string parsed;
standard_parser<char> p;
BOOST_REQUIRE(p.parse_boolean(param, parsed));
BOOST_CHECK_EQUAL(param, parsed);
}
const char* const booleans_n[] = { "true", "false" };
BOOST_AUTO_TEST_CASE(uses_traits_from_boolean_n)
{
std::string parsed;
prefixing_parser<char> p;
BOOST_REQUIRE(p.parse_boolean("true", parsed));
BOOST_CHECK_EQUAL("b:true", parsed);
}
void boolean_parse_result_is_input_w(const wchar_t* param) {
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_REQUIRE(p.parse_boolean(param, parsed));
BOOST_CHECK_EQUAL(param, parsed);
}
const wchar_t* const booleans_w[] = { L"true", L"false" };
BOOST_AUTO_TEST_CASE(uses_traits_from_boolean_w)
{
std::wstring parsed;
prefixing_parser<wchar_t> p;
BOOST_REQUIRE(p.parse_boolean(L"true", parsed));
BOOST_CHECK_EQUAL(L"b:true", parsed);
}
void number_parse_result_is_input_n(const char* param) {
std::string parsed;
standard_parser<char> p;
BOOST_REQUIRE(p.parse_number(param, parsed));
BOOST_CHECK_EQUAL(param, parsed);
}
const char* const numbers_n[] = {
"0",
"-0",
"1824",
"-0.1",
"123.142",
"1e+0",
"1E-0",
"1.1e134"
};
BOOST_AUTO_TEST_CASE(uses_traits_from_number_n)
{
std::string parsed;
prefixing_parser<char> p;
BOOST_REQUIRE(p.parse_number("12345", parsed));
BOOST_CHECK_EQUAL("n:12345", parsed);
}
void number_parse_result_is_input_w(const wchar_t* param) {
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_REQUIRE(p.parse_number(param, parsed));
BOOST_CHECK_EQUAL(param, parsed);
}
const wchar_t* const numbers_w[] = {
L"0",
L"-0",
L"1824",
L"-0.1",
L"123.142",
L"1e+0",
L"1E-0",
L"1.1e134"
};
BOOST_AUTO_TEST_CASE(uses_traits_from_number_w)
{
std::wstring parsed;
prefixing_parser<wchar_t> p;
BOOST_REQUIRE(p.parse_number(L"12345", parsed));
BOOST_CHECK_EQUAL(L"n:12345", parsed);
}
struct string_input_n {
const char* encoded;
const char* expected;
};
void string_parsed_correctly_n(string_input_n param) {
std::string parsed;
standard_parser<char> p;
BOOST_REQUIRE(p.parse_string(param.encoded, parsed));
BOOST_CHECK_EQUAL(param.expected, parsed);
}
const string_input_n strings_n[] = {
{"\"\"", ""},
{"\"abc\"", "abc"},
{"\"a\\nb\"", "a\nb"},
{"\"\\\"\"", "\""},
{"\"\\\\\"", "\\"},
{"\"\\/\"", "/"},
{"\"\\b\"", "\b"},
{"\"\\f\"", "\f"},
{"\"\\r\"", "\r"},
{"\"\\t\"", "\t"},
{"\"\\u0001\\u00f2\\u28Ec\"", "\x01" "\xC3\xB2" "\xE2\xA3\xAC"},
{"\"\\ud801\\udc37\"", "\xf0\x90\x90\xb7"}, // U+10437
{"\xef\xbb\xbf\"\"", ""} // BOM
};
BOOST_AUTO_TEST_CASE(uses_string_callbacks)
{
std::string parsed;
prefixing_parser<char> p;
BOOST_REQUIRE(p.parse_string("\"a\"", parsed));
BOOST_CHECK_EQUAL("s:a", parsed);
}
struct string_input_w {
const wchar_t* encoded;
const wchar_t* expected;
};
void string_parsed_correctly_w(string_input_w param) {
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_REQUIRE(p.parse_string(param.encoded, parsed));
BOOST_CHECK_EQUAL(param.expected, parsed);
}
const string_input_w strings_w[] = {
{L"\"\"", L""},
{L"\"abc\"", L"abc"},
{L"\"a\\nb\"", L"a\nb"},
{L"\"\\\"\"", L"\""},
{L"\"\\\\\"", L"\\"},
{L"\"\\/\"", L"/"},
{L"\"\\b\"", L"\b"},
{L"\"\\f\"", L"\f"},
{L"\"\\r\"", L"\r"},
{L"\"\\t\"", L"\t"},
{L"\"\\u0001\\u00f2\\u28Ec\"", L"\x0001" L"\x00F2" L"\x28EC"},
{L"\xfeff\"\"", L""} // BOM
};
BOOST_AUTO_TEST_CASE(empty_array) {
ptree tree;
standard_parser<char> p;
const char* input = " [ ]";
BOOST_REQUIRE(p.parse_array(input, tree));
BOOST_CHECK_EQUAL("", tree.data());
BOOST_CHECK_EQUAL(0u, tree.size());
}
BOOST_AUTO_TEST_CASE(array_gets_tagged) {
wptree tree;
prefixing_parser<wchar_t> p;
const wchar_t* input = L" [ ]";
BOOST_REQUIRE(p.parse_array(input, tree));
BOOST_CHECK_EQUAL(L"a:", tree.data());
BOOST_CHECK_EQUAL(0u, tree.size());
}
BOOST_AUTO_TEST_CASE(array_with_values) {
wptree tree;
standard_parser<wchar_t> p;
const wchar_t* input = L"[\n"
L" 123, \"abc\" ,true ,\n"
L" null\n"
L" ]";
BOOST_REQUIRE(p.parse_array(input, tree));
BOOST_REQUIRE_EQUAL(4u, tree.size());
wptree::iterator it = tree.begin();
BOOST_CHECK_EQUAL(L"", it->first);
BOOST_CHECK_EQUAL(L"123", it->second.data());
++it;
BOOST_CHECK_EQUAL(L"", it->first);
BOOST_CHECK_EQUAL(L"abc", it->second.data());
++it;
BOOST_CHECK_EQUAL(L"", it->first);
BOOST_CHECK_EQUAL(L"true", it->second.data());
++it;
BOOST_CHECK_EQUAL(L"", it->first);
BOOST_CHECK_EQUAL(L"null", it->second.data());
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
BOOST_AUTO_TEST_CASE(array_values_get_tagged) {
ptree tree;
prefixing_parser<char> p;
const char* input = "[\n"
" 123, \"abc\" ,true ,\n"
" null\n"
" ]";
BOOST_REQUIRE(p.parse_array(input, tree));
BOOST_REQUIRE_EQUAL(4u, tree.size());
BOOST_CHECK_EQUAL("a:", tree.data());
ptree::iterator it = tree.begin();
BOOST_CHECK_EQUAL("", it->first);
BOOST_CHECK_EQUAL("n:123", it->second.data());
++it;
BOOST_CHECK_EQUAL("", it->first);
BOOST_CHECK_EQUAL("s:abc", it->second.data());
++it;
BOOST_CHECK_EQUAL("", it->first);
BOOST_CHECK_EQUAL("b:true", it->second.data());
++it;
BOOST_CHECK_EQUAL("", it->first);
BOOST_CHECK_EQUAL("_:null", it->second.data());
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
BOOST_AUTO_TEST_CASE(nested_array) {
ptree tree;
standard_parser<char> p;
const char* input = "[[1,2],3,[4,5]]";
BOOST_REQUIRE(p.parse_array(input, tree));
BOOST_REQUIRE_EQUAL(3u, tree.size());
ptree::iterator it = tree.begin();
BOOST_CHECK_EQUAL("", it->first);
{
ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(2u, sub.size());
ptree::iterator iit = sub.begin();
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("1", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("2", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL("", it->first);
BOOST_CHECK_EQUAL("3", it->second.data());
++it;
BOOST_CHECK_EQUAL("", it->first);
{
ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(2u, sub.size());
ptree::iterator iit = sub.begin();
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("4", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("5", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
BOOST_AUTO_TEST_CASE(empty_object) {
ptree tree;
standard_parser<char> p;
const char* input = " { }";
BOOST_REQUIRE(p.parse_object(input, tree));
BOOST_CHECK_EQUAL("", tree.data());
BOOST_CHECK_EQUAL(0u, tree.size());
}
BOOST_AUTO_TEST_CASE(object_gets_tagged) {
wptree tree;
prefixing_parser<wchar_t> p;
const wchar_t* input = L" { }";
BOOST_REQUIRE(p.parse_object(input, tree));
BOOST_CHECK_EQUAL(L"o:", tree.data());
BOOST_CHECK_EQUAL(0u, tree.size());
}
BOOST_AUTO_TEST_CASE(object_with_values) {
wptree tree;
standard_parser<wchar_t> p;
const wchar_t* input = L"{\n"
L" \"1\":123, \"2\"\n"
L" :\"abc\" ,\"3\": true ,\n"
L" \"4\" : null\n"
L" }";
BOOST_REQUIRE(p.parse_object(input, tree));
BOOST_REQUIRE_EQUAL(4u, tree.size());
wptree::iterator it = tree.begin();
BOOST_CHECK_EQUAL(L"1", it->first);
BOOST_CHECK_EQUAL(L"123", it->second.data());
++it;
BOOST_CHECK_EQUAL(L"2", it->first);
BOOST_CHECK_EQUAL(L"abc", it->second.data());
++it;
BOOST_CHECK_EQUAL(L"3", it->first);
BOOST_CHECK_EQUAL(L"true", it->second.data());
++it;
BOOST_CHECK_EQUAL(L"4", it->first);
BOOST_CHECK_EQUAL(L"null", it->second.data());
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
BOOST_AUTO_TEST_CASE(object_values_get_tagged) {
ptree tree;
prefixing_parser<char> p;
const char* input = "{\n"
"\"1\": 123, \"2\": \"abc\" ,\"3\": true ,\n"
"\"4\": null\n"
"}";
BOOST_REQUIRE(p.parse_object(input, tree));
BOOST_REQUIRE_EQUAL(4u, tree.size());
BOOST_CHECK_EQUAL("o:", tree.data());
ptree::iterator it = tree.begin();
BOOST_CHECK_EQUAL("1", it->first);
BOOST_CHECK_EQUAL("n:123", it->second.data());
++it;
BOOST_CHECK_EQUAL("2", it->first);
BOOST_CHECK_EQUAL("s:abc", it->second.data());
++it;
BOOST_CHECK_EQUAL("3", it->first);
BOOST_CHECK_EQUAL("b:true", it->second.data());
++it;
BOOST_CHECK_EQUAL("4", it->first);
BOOST_CHECK_EQUAL("_:null", it->second.data());
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
BOOST_AUTO_TEST_CASE(nested_object) {
ptree tree;
standard_parser<char> p;
const char* input = "{\"a\":{\"b\":1,\"c\":2},\"d\":3,\"e\":{\"f\":4,\"g\":5}}";
BOOST_REQUIRE(p.parse_object(input, tree));
BOOST_REQUIRE_EQUAL(3u, tree.size());
ptree::iterator it = tree.begin();
BOOST_CHECK_EQUAL("a", it->first);
{
ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(2u, sub.size());
ptree::iterator iit = sub.begin();
BOOST_CHECK_EQUAL("b", iit->first);
BOOST_CHECK_EQUAL("1", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("c", iit->first);
BOOST_CHECK_EQUAL("2", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL("d", it->first);
BOOST_CHECK_EQUAL("3", it->second.data());
++it;
BOOST_CHECK_EQUAL("e", it->first);
{
ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(2u, sub.size());
ptree::iterator iit = sub.begin();
BOOST_CHECK_EQUAL("f", iit->first);
BOOST_CHECK_EQUAL("4", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("g", iit->first);
BOOST_CHECK_EQUAL("5", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
BOOST_AUTO_TEST_CASE(array_in_object) {
ptree tree;
standard_parser<char> p;
const char* input = "{\"a\":[1,2],\"b\":3,\"c\":[4,5]}";
BOOST_REQUIRE(p.parse_object(input, tree));
BOOST_REQUIRE_EQUAL(3u, tree.size());
ptree::iterator it = tree.begin();
BOOST_CHECK_EQUAL("a", it->first);
{
ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(2u, sub.size());
ptree::iterator iit = sub.begin();
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("1", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("2", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL("b", it->first);
BOOST_CHECK_EQUAL("3", it->second.data());
++it;
BOOST_CHECK_EQUAL("c", it->first);
{
ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(2u, sub.size());
ptree::iterator iit = sub.begin();
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("4", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("5", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
BOOST_AUTO_TEST_CASE(object_in_array) {
ptree tree;
standard_parser<char> p;
const char* input = "[{\"a\":1,\"b\":2},3,{\"c\":4,\"d\":5}]";
BOOST_REQUIRE(p.parse_array(input, tree));
BOOST_REQUIRE_EQUAL(3u, tree.size());
ptree::iterator it = tree.begin();
BOOST_CHECK_EQUAL("", it->first);
{
ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(2u, sub.size());
ptree::iterator iit = sub.begin();
BOOST_CHECK_EQUAL("a", iit->first);
BOOST_CHECK_EQUAL("1", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("b", iit->first);
BOOST_CHECK_EQUAL("2", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL("", it->first);
BOOST_CHECK_EQUAL("3", it->second.data());
++it;
BOOST_CHECK_EQUAL("", it->first);
{
ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(2u, sub.size());
ptree::iterator iit = sub.begin();
BOOST_CHECK_EQUAL("c", iit->first);
BOOST_CHECK_EQUAL("4", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("d", iit->first);
BOOST_CHECK_EQUAL("5", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
BOOST_AUTO_TEST_CASE(parser_works_with_input_iterators) {
const char* input = " {\n"
" \"1\":123, \"2\"\n"
" :\"abc\" ,\"3\": true ,\n"
" \"4\" : null, \"5\" : [ 1, 23\n"
" , 456 ]\n"
" }";
std::istringstream is(input);
typedef std::istreambuf_iterator<char> iterator;
json_parser::detail::standard_callbacks<ptree> callbacks;
json_parser::detail::utf8_utf8_encoding encoding;
json_parser::detail::parser<json_parser::detail::standard_callbacks<ptree>,
json_parser::detail::utf8_utf8_encoding,
iterator, iterator>
p(callbacks, encoding);
p.set_input("", boost::make_iterator_range(iterator(is), iterator()));
p.parse_value();
const ptree& tree = callbacks.output();
BOOST_REQUIRE_EQUAL(5u, tree.size());
ptree::const_iterator it = tree.begin();
BOOST_CHECK_EQUAL("1", it->first);
BOOST_CHECK_EQUAL("123", it->second.data());
++it;
BOOST_CHECK_EQUAL("2", it->first);
BOOST_CHECK_EQUAL("abc", it->second.data());
++it;
BOOST_CHECK_EQUAL("3", it->first);
BOOST_CHECK_EQUAL("true", it->second.data());
++it;
BOOST_CHECK_EQUAL("4", it->first);
BOOST_CHECK_EQUAL("null", it->second.data());
++it;
BOOST_CHECK_EQUAL("5", it->first);
{
const ptree& sub = it->second;
BOOST_CHECK_EQUAL("", sub.data());
BOOST_REQUIRE_EQUAL(3u, sub.size());
ptree::const_iterator iit = sub.begin();
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("1", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("23", iit->second.data());
++iit;
BOOST_CHECK_EQUAL("", iit->first);
BOOST_CHECK_EQUAL("456", iit->second.data());
++iit;
BOOST_CHECK_EQUAL(sub.end(), iit);
}
++it;
BOOST_CHECK_EQUAL(tree.end(), it);
}
struct bad_parse_n {
const char* json;
const char* message_substring;
};
void parse_error_thrown_with_message_n(bad_parse_n param) {
try {
standard_parser<char> p;
ptree dummy;
p.parse_value(param.json, dummy);
BOOST_FAIL("expected exception");
} catch (json_parser::json_parser_error& e) {
std::string message = e.message();
BOOST_CHECK_MESSAGE(message.find(param.message_substring) !=
std::string::npos,
"bad error message on input '" << param.json
<< "', need: '" << param.message_substring
<< "' but found '" << message << "'");
}
}
const bad_parse_n errors_n[] = {
{"", "expected value"},
{"(", "expected value"},
{"n", "expected 'null'"},
{"nu", "expected 'null'"},
{"nul", "expected 'null'"},
{"n ", "expected 'null'"},
{"nu ", "expected 'null'"},
{"nul ", "expected 'null'"},
{"nx", "expected 'null'"},
{"nux", "expected 'null'"},
{"nulx", "expected 'null'"},
{"t", "expected 'true'"},
{"tr", "expected 'true'"},
{"tu", "expected 'true'"},
{"t ", "expected 'true'"},
{"tr ", "expected 'true'"},
{"tru ", "expected 'true'"},
{"tx", "expected 'true'"},
{"trx", "expected 'true'"},
{"trux", "expected 'true'"},
{"f", "expected 'false'"},
{"fa", "expected 'false'"},
{"fal", "expected 'false'"},
{"fals", "expected 'false'"},
{"f ", "expected 'false'"},
{"fa ", "expected 'false'"},
{"fal ", "expected 'false'"},
{"fals ", "expected 'false'"},
{"fx", "expected 'false'"},
{"fax", "expected 'false'"},
{"falx", "expected 'false'"},
{"falsx", "expected 'false'"},
{"-", "expected digits"},
{"01", "garbage after data"},
{"0.", "need at least one digit after '.'"},
{"0e", "need at least one digit in exponent"},
{"0e-", "need at least one digit in exponent"},
{"\"", "unterminated string"},
{"\"asd", "unterminated string"},
{"\"\n\"", "invalid code sequence"}, // control character
{"\"\xff\"", "invalid code sequence"}, // bad lead byte
{"\"\x80\"", "invalid code sequence"}, // stray trail byte
{"\"\xc0", "invalid code sequence"}, // eos after lead byte
{"\"\xc0\"", "invalid code sequence"}, // bad trail byte
{"\"\xc0m\"", "invalid code sequence"}, // also bad trail byte
{"\"\\", "invalid escape sequence"},
{"\"\\p\"", "invalid escape sequence"},
{"\"\\u", "invalid escape sequence"},
{"\"\\u\"", "invalid escape sequence"},
{"\"\\ug\"", "invalid escape sequence"},
{"\"\\u1\"", "invalid escape sequence"},
{"\"\\u1g\"", "invalid escape sequence"},
{"\"\\u11\"", "invalid escape sequence"},
{"\"\\u11g\"", "invalid escape sequence"},
{"\"\\u111\"", "invalid escape sequence"},
{"\"\\u111g\"", "invalid escape sequence"},
{"\"\\ude00\"", "stray low surrogate"},
{"\"\\ud900", "stray high surrogate"},
{"\"\\ud900foo\"", "stray high surrogate"},
{"\"\\ud900\\", "expected codepoint reference"},
{"\"\\ud900\\n\"", "expected codepoint reference"},
{"\"\\ud900\\u1000\"", "expected low surrogate"},
{"[", "expected value"},
{"[1", "expected ']' or ','"},
{"[1,", "expected value"},
{"[1,]", "expected value"},
{"[1}", "expected ']' or ','"},
{"{", "expected key string"},
{"{1:2}", "expected key string"},
{"{\"\"", "expected ':'"},
{"{\"\"}", "expected ':'"},
{"{\"\":", "expected value"},
{"{\"\":}", "expected value"},
{"{\"\":0", "expected '}' or ','"},
{"{\"\":0]", "expected '}' or ','"},
{"{\"\":0,", "expected key string"},
{"{\"\":0,}", "expected key string"},
};
struct bad_parse_w {
const wchar_t* json;
const char* message_substring;
};
void parse_error_thrown_with_message_w(bad_parse_w param) {
try {
standard_parser<wchar_t> p;
wptree dummy;
p.parse_value(param.json, dummy);
BOOST_FAIL("expected exception");
} catch (json_parser::json_parser_error& e) {
std::string message = e.message();
BOOST_CHECK_MESSAGE(message.find(param.message_substring) !=
std::string::npos,
"bad error message on input '" << param.json
<< "', need: '" << param.message_substring
<< "' but found '" << message << "'");
}
}
const bad_parse_w errors_w[] = {
{L"", "expected value"},
{L"(", "expected value"},
{L"n", "expected 'null'"},
{L"nu", "expected 'null'"},
{L"nul", "expected 'null'"},
{L"n ", "expected 'null'"},
{L"nu ", "expected 'null'"},
{L"nul ", "expected 'null'"},
{L"nx", "expected 'null'"},
{L"nux", "expected 'null'"},
{L"nulx", "expected 'null'"},
{L"t", "expected 'true'"},
{L"tr", "expected 'true'"},
{L"tu", "expected 'true'"},
{L"t ", "expected 'true'"},
{L"tr ", "expected 'true'"},
{L"tru ", "expected 'true'"},
{L"tx", "expected 'true'"},
{L"trx", "expected 'true'"},
{L"trux", "expected 'true'"},
{L"f", "expected 'false'"},
{L"fa", "expected 'false'"},
{L"fal", "expected 'false'"},
{L"fals", "expected 'false'"},
{L"f ", "expected 'false'"},
{L"fa ", "expected 'false'"},
{L"fal ", "expected 'false'"},
{L"fals ", "expected 'false'"},
{L"fx", "expected 'false'"},
{L"fax", "expected 'false'"},
{L"falx", "expected 'false'"},
{L"falsx", "expected 'false'"},
{L"-", "expected digits"},
{L"01", "garbage after data"},
{L"0.", "need at least one digit after '.'"},
{L"0e", "need at least one digit in exponent"},
{L"0e-", "need at least one digit in exponent"},
{L"\"", "unterminated string"},
{L"\"asd", "unterminated string"},
{L"\"\n\"", "invalid code sequence"}, // control character
// Encoding not known, so no UTF-16 encoding error tests.
{L"\"\\", "invalid escape sequence"},
{L"\"\\p\"", "invalid escape sequence"},
{L"\"\\u", "invalid escape sequence"},
{L"\"\\u\"", "invalid escape sequence"},
{L"\"\\ug\"", "invalid escape sequence"},
{L"\"\\u1\"", "invalid escape sequence"},
{L"\"\\u1g\"", "invalid escape sequence"},
{L"\"\\u11\"", "invalid escape sequence"},
{L"\"\\u11g\"", "invalid escape sequence"},
{L"\"\\u111\"", "invalid escape sequence"},
{L"\"\\u111g\"", "invalid escape sequence"},
{L"\"\\ude00\"", "stray low surrogate"},
{L"\"\\ud900", "stray high surrogate"},
{L"\"\\ud900foo\"", "stray high surrogate"},
{L"\"\\ud900\\", "expected codepoint reference"},
{L"\"\\ud900\\n\"", "expected codepoint reference"},
{L"\"\\ud900\\u1000\"", "expected low surrogate"},
{L"[", "expected value"},
{L"[1", "expected ']' or ','"},
{L"[1,", "expected value"},
{L"[1,]", "expected value"},
{L"[1}", "expected ']' or ','"},
{L"{", "expected key string"},
{L"{1:2}", "expected key string"},
{L"{\"\"", "expected ':'"},
{L"{\"\"}", "expected ':'"},
{L"{\"\":", "expected value"},
{L"{\"\":}", "expected value"},
{L"{\"\":0", "expected '}' or ','"},
{L"{\"\":0]", "expected '}' or ','"},
{L"{\"\":0,", "expected key string"},
{L"{\"\":0,}", "expected key string"},
};
template <typename T, std::size_t N>
std::size_t arraysize(T(&)[N]) { return N; }
#define ARRAY_TEST_CASE(fn, a) \
BOOST_PARAM_TEST_CASE(fn, (a), (a) + arraysize((a)))
using namespace boost::unit_test;
test_suite* init_unit_test_suite(int, char*[])
{
master_test_suite_t& ts = boost::unit_test::framework::master_test_suite();
ts.add(ARRAY_TEST_CASE(boolean_parse_result_is_input_n, booleans_n));
ts.add(ARRAY_TEST_CASE(boolean_parse_result_is_input_w, booleans_w));
ts.add(ARRAY_TEST_CASE(number_parse_result_is_input_n, numbers_n));
ts.add(ARRAY_TEST_CASE(number_parse_result_is_input_w, numbers_w));
ts.add(ARRAY_TEST_CASE(string_parsed_correctly_n, strings_n));
ts.add(ARRAY_TEST_CASE(string_parsed_correctly_w, strings_w));
ts.add(ARRAY_TEST_CASE(parse_error_thrown_with_message_n, errors_n));
ts.add(ARRAY_TEST_CASE(parse_error_thrown_with_message_w, errors_w));
return 0;
}
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