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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"
#include <boost/core/lightweight_test.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/range/iterator_range.hpp>
#include <cassert>
#include <sstream>
#include <vector>
#include <algorithm>
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"
static void
test_null_parse_result_is_input()
{
std::string parsed;
standard_parser<char> p;
BOOST_TEST(p.parse_null("null", parsed));
BOOST_TEST_EQ("null", parsed);
}
static void
test_uses_traits_from_null()
{
std::string parsed;
prefixing_parser<char> p;
BOOST_TEST(p.parse_null("null", parsed));
BOOST_TEST_EQ("_:null", parsed);
}
static void
test_null_parse_skips_bom()
{
std::string parsed;
standard_parser<char> p;
BOOST_TEST(p.parse_null(BOM_N "null", parsed));
BOOST_TEST_EQ("null", parsed);
}
static void
test_null_parse_result_is_input_w()
{
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_TEST(p.parse_null(L"null", parsed));
BOOST_TEST(parsed == L"null");
}
static void
test_uses_traits_from_null_w()
{
std::wstring parsed;
prefixing_parser<wchar_t> p;
BOOST_TEST(p.parse_null(L"null", parsed));
BOOST_TEST(parsed == L"_:null");
}
static void
test_null_parse_skips_bom_w()
{
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_TEST(p.parse_null(BOM_W L"null", parsed));
BOOST_TEST(parsed == L"null");
}
template<std::size_t N>
static void
test_boolean_parse_result_is_input_n(const std::string (¶m)[N])
{
for(std::size_t i = 0 ; i < N ; ++i)
{
std::string parsed;
standard_parser<char> p;
BOOST_TEST(p.parse_boolean(param[i], parsed));
BOOST_TEST_EQ(param[i], parsed);
}
}
const std::string
booleans_n[] = { "true", "false" };
static void
test_uses_traits_from_boolean_n()
{
std::string parsed;
prefixing_parser<char> p;
BOOST_TEST(p.parse_boolean("true", parsed));
BOOST_TEST_EQ("b:true", parsed);
}
template<std::size_t N>
static void
test_boolean_parse_result_is_input_w(const std::wstring (¶m)[N])
{
for(std::size_t i = 0 ; i < N ; ++i)
{
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_TEST(p.parse_boolean(param[i], parsed));
BOOST_TEST(param[i] == parsed);
}
}
const std::wstring
booleans_w[] = { L"true", L"false" };
static void
test_uses_traits_from_boolean_w()
{
std::wstring parsed;
prefixing_parser<wchar_t> p;
BOOST_TEST(p.parse_boolean(L"true", parsed));
BOOST_TEST(parsed == L"b:true");
}
template<std::size_t N>
static void
test_number_parse_result_is_input_n(std::string const (¶m)[N])
{
for(std::size_t i = 0 ; i < N ; ++i)
{
std::string parsed;
standard_parser<char> p;
BOOST_TEST(p.parse_number(param[i], parsed));
BOOST_TEST_EQ(param[i], parsed);
}
}
std::string const
numbers_n[] = {
"0",
"-0",
"1824",
"-0.1",
"123.142",
"1e+0",
"1E-0",
"1.1e134"
};
static void
test_uses_traits_from_number_n()
{
std::string parsed;
prefixing_parser<char> p;
BOOST_TEST(p.parse_number("12345", parsed));
BOOST_TEST_EQ("n:12345", parsed);
}
template<std::size_t N>
static void
test_number_parse_result_is_input_w(const std::wstring (¶m)[N])
{
for(std::size_t i = 0 ; i < N ; ++i)
{
std::wstring parsed;
standard_parser<wchar_t> p;
BOOST_TEST(p.parse_number(param[i], parsed));
BOOST_TEST(parsed == param[i]);
}
}
std::wstring const numbers_w[] = {
L"0",
L"-0",
L"1824",
L"-0.1",
L"123.142",
L"1e+0",
L"1E-0",
L"1.1e134"
};
static void
test_uses_traits_from_number_w()
{
std::wstring parsed;
prefixing_parser<wchar_t> p;
BOOST_TEST(p.parse_number(L"12345", parsed));
BOOST_TEST(parsed == L"n:12345");
}
struct string_input_n {
const char* encoded;
const char* expected;
};
template<std::size_t N>
void test_string_parsed_correctly_n(string_input_n const (¶m)[N])
{
for(std::size_t i = 0 ; i < N ; ++i)
{
std::string parsed;
standard_parser<char> p;
BOOST_TEST(p.parse_string(param[i].encoded, parsed));
BOOST_TEST_EQ(param[i].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
};
static void
test_uses_string_callbacks()
{
std::string parsed;
prefixing_parser<char> p;
BOOST_TEST(p.parse_string("\"a\"", parsed));
BOOST_TEST_EQ("s:a", parsed);
}
struct string_input_w {
const wchar_t* encoded;
const wchar_t* expected;
};
template<std::size_t N>
void
test_string_parsed_correctly_w(string_input_w const (¶m)[N])
{
for(std::size_t i = 0 ; i < N ; ++i)
{
std::wstring parsed;
standard_parser<wchar_t> p;
if(BOOST_TEST(p.parse_string(param[i].encoded, parsed)))
BOOST_TEST(param[i].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
};
static void
test_empty_array()
{
ptree tree;
standard_parser<char> p;
const char* input = " [ ]";
BOOST_TEST(p.parse_array(input, tree));
BOOST_TEST_EQ("", tree.data());
BOOST_TEST_EQ(0u, tree.size());
}
static void
test_array_gets_tagged()
{
wptree tree;
prefixing_parser<wchar_t> p;
const wchar_t* input = L" [ ]";
BOOST_TEST(p.parse_array(input, tree));
BOOST_TEST(tree.data() == L"a:");
BOOST_TEST_EQ(0u, tree.size());
}
static void
test_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" ]";
if(!BOOST_TEST(p.parse_array(input, tree)))
return;
if(!BOOST_TEST_EQ(4u, tree.size()))
return;
wptree::iterator it = tree.begin();
BOOST_TEST(it->first == L"");
BOOST_TEST(it->second.data() == L"123");
++it;
BOOST_TEST(it->first == L"");
BOOST_TEST(it->second.data() == L"abc");
++it;
BOOST_TEST(it->first == L"");
BOOST_TEST(it->second.data() == L"true");
++it;
BOOST_TEST(it->first == L"");
BOOST_TEST(it->second.data() == L"null");
++it;
BOOST_TEST(tree.end() == it);
}
static void
test_array_values_get_tagged()
{
ptree tree;
prefixing_parser<char> p;
const char* input = "[\n"
" 123, \"abc\" ,true ,\n"
" null\n"
" ]";
if(BOOST_TEST(p.parse_array(input, tree)))
if(BOOST_TEST_EQ(4u, tree.size()))
{
BOOST_TEST_EQ("a:", tree.data());
ptree::iterator it = tree.begin();
BOOST_TEST_EQ("", it->first);
BOOST_TEST_EQ("n:123", it->second.data());
++it;
BOOST_TEST_EQ("", it->first);
BOOST_TEST_EQ("s:abc", it->second.data());
++it;
BOOST_TEST_EQ("", it->first);
BOOST_TEST_EQ("b:true", it->second.data());
++it;
BOOST_TEST_EQ("", it->first);
BOOST_TEST_EQ("_:null", it->second.data());
++it;
BOOST_TEST(tree.end() == it);
}
}
static void
test_nested_array()
{
ptree tree;
standard_parser<char> p;
const char* input = "[[1,2],3,[4,5]]";
if(!BOOST_TEST(p.parse_array(input, tree)))
return;
if(!BOOST_TEST_EQ(3u, tree.size()))
return;
ptree::iterator it = tree.begin();
BOOST_TEST_EQ("", it->first);
{
ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(!BOOST_TEST_EQ(2u, sub.size()))
return;
ptree::iterator iit = sub.begin();
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("1", iit->second.data());
++iit;
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("2", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
++it;
BOOST_TEST_EQ("", it->first);
BOOST_TEST_EQ("3", it->second.data());
++it;
BOOST_TEST_EQ("", it->first);
{
ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(!BOOST_TEST_EQ(2u, sub.size()))
return;
ptree::iterator iit = sub.begin();
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("4", iit->second.data());
++iit;
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("5", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
++it;
BOOST_TEST(tree.end() == it);
}
static void
test_empty_object()
{
ptree tree;
standard_parser<char> p;
const char* input = " { }";
if(BOOST_TEST(p.parse_object(input, tree)))
{
BOOST_TEST_EQ("", tree.data());
BOOST_TEST_EQ(0u, tree.size());
}
}
static void
test_object_gets_tagged()
{
wptree tree;
prefixing_parser<wchar_t> p;
const wchar_t* input = L" { }";
if(BOOST_TEST(p.parse_object(input, tree)))
{
BOOST_TEST(tree.data() == L"o:");
BOOST_TEST_EQ(0u, tree.size());
}
}
static void
test_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" }";
if(BOOST_TEST(p.parse_object(input, tree)))
if(BOOST_TEST_EQ(4u, tree.size()))
{
wptree::iterator it = tree.begin();
BOOST_TEST(it->first == L"1");
BOOST_TEST(it->second.data() == L"123");
++it;
BOOST_TEST(it->first == L"2");
BOOST_TEST(it->second.data() == L"abc");
++it;
BOOST_TEST(it->first == L"3");
BOOST_TEST(it->second.data() == L"true");
++it;
BOOST_TEST(it->first == L"4");
BOOST_TEST(it->second.data() == L"null");
++it;
BOOST_TEST(tree.end() == it);
}
}
static void
test_object_values_get_tagged()
{
ptree tree;
prefixing_parser<char> p;
const char* input = "{\n"
"\"1\": 123, \"2\": \"abc\" ,\"3\": true ,\n"
"\"4\": null\n"
"}";
if(BOOST_TEST(p.parse_object(input, tree)))
if(BOOST_TEST_EQ(4u, tree.size()))
{
BOOST_TEST_EQ("o:", tree.data());
ptree::iterator it = tree.begin();
BOOST_TEST_EQ("1", it->first);
BOOST_TEST_EQ("n:123", it->second.data());
++it;
BOOST_TEST_EQ("2", it->first);
BOOST_TEST_EQ("s:abc", it->second.data());
++it;
BOOST_TEST_EQ("3", it->first);
BOOST_TEST_EQ("b:true", it->second.data());
++it;
BOOST_TEST_EQ("4", it->first);
BOOST_TEST_EQ("_:null", it->second.data());
++it;
BOOST_TEST(tree.end() == it);
}
}
static void
test_nested_object()
{
ptree tree;
standard_parser<char> p;
const char* input = "{\"a\":{\"b\":1,\"c\":2},\"d\":3,\"e\":{\"f\":4,\"g\":5}}";
if(!BOOST_TEST(p.parse_object(input, tree)))
return;
if(!BOOST_TEST_EQ(3u, tree.size()))
return;
ptree::iterator it = tree.begin();
BOOST_TEST_EQ("a", it->first);
{
ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(!BOOST_TEST_EQ(2u, sub.size()))
return;
ptree::iterator iit = sub.begin();
BOOST_TEST_EQ("b", iit->first);
BOOST_TEST_EQ("1", iit->second.data());
++iit;
BOOST_TEST_EQ("c", iit->first);
BOOST_TEST_EQ("2", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
++it;
BOOST_TEST_EQ("d", it->first);
BOOST_TEST_EQ("3", it->second.data());
++it;
BOOST_TEST_EQ("e", it->first);
{
ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(!BOOST_TEST_EQ(2u, sub.size()))
return;
ptree::iterator iit = sub.begin();
BOOST_TEST_EQ("f", iit->first);
BOOST_TEST_EQ("4", iit->second.data());
++iit;
BOOST_TEST_EQ("g", iit->first);
BOOST_TEST_EQ("5", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
++it;
BOOST_TEST(tree.end() == it);
}
static void
test_array_in_object()
{
ptree tree;
standard_parser<char> p;
const char* input = "{\"a\":[1,2],\"b\":3,\"c\":[4,5]}";
if(!BOOST_TEST(p.parse_object(input, tree)))
return;
if(!BOOST_TEST_EQ(3u, tree.size()))
return;
ptree::iterator it = tree.begin();
BOOST_TEST_EQ("a", it->first);
{
ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(BOOST_TEST_EQ(2u, sub.size()))
{
ptree::iterator iit = sub.begin();
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("1", iit->second.data());
++iit;
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("2", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
}
++it;
BOOST_TEST_EQ("b", it->first);
BOOST_TEST_EQ("3", it->second.data());
++it;
BOOST_TEST_EQ("c", it->first);
{
ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(BOOST_TEST_EQ(2u, sub.size()))
{
ptree::iterator iit = sub.begin();
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("4", iit->second.data());
++iit;
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("5", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
}
++it;
BOOST_TEST(tree.end() == it);
}
static void
test_object_in_array()
{
ptree tree;
standard_parser<char> p;
const char* input = "[{\"a\":1,\"b\":2},3,{\"c\":4,\"d\":5}]";
if(!BOOST_TEST(p.parse_array(input, tree)))
return;
if(!BOOST_TEST_EQ(3u, tree.size()))
return;
ptree::iterator it = tree.begin();
BOOST_TEST_EQ("", it->first);
{
ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(BOOST_TEST_EQ(2u, sub.size()))
{
ptree::iterator iit = sub.begin();
BOOST_TEST_EQ("a", iit->first);
BOOST_TEST_EQ("1", iit->second.data());
++iit;
BOOST_TEST_EQ("b", iit->first);
BOOST_TEST_EQ("2", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
}
++it;
BOOST_TEST_EQ("", it->first);
BOOST_TEST_EQ("3", it->second.data());
++it;
BOOST_TEST_EQ("", it->first);
{
ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(BOOST_TEST_EQ(2u, sub.size()))
{
ptree::iterator iit = sub.begin();
BOOST_TEST_EQ("c", iit->first);
BOOST_TEST_EQ("4", iit->second.data());
++iit;
BOOST_TEST_EQ("d", iit->first);
BOOST_TEST_EQ("5", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
}
++it;
BOOST_TEST(tree.end() == it);
}
static void
test_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();
if(!BOOST_TEST_EQ(5u, tree.size()))
return;
ptree::const_iterator it = tree.begin();
BOOST_TEST_EQ("1", it->first);
BOOST_TEST_EQ("123", it->second.data());
++it;
BOOST_TEST_EQ("2", it->first);
BOOST_TEST_EQ("abc", it->second.data());
++it;
BOOST_TEST_EQ("3", it->first);
BOOST_TEST_EQ("true", it->second.data());
++it;
BOOST_TEST_EQ("4", it->first);
BOOST_TEST_EQ("null", it->second.data());
++it;
BOOST_TEST_EQ("5", it->first);
{
const ptree& sub = it->second;
BOOST_TEST_EQ("", sub.data());
if(!BOOST_TEST_EQ(3u, sub.size()))
return;
ptree::const_iterator iit = sub.begin();
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("1", iit->second.data());
++iit;
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("23", iit->second.data());
++iit;
BOOST_TEST_EQ("", iit->first);
BOOST_TEST_EQ("456", iit->second.data());
++iit;
BOOST_TEST(sub.end() == iit);
}
++it;
BOOST_TEST(tree.end() == it);
}
struct bad_parse_n {
const char* json;
const char* message_substring;
};
template<std::size_t N>
void test_parse_error_thrown_with_message_n(bad_parse_n const (¶m)[N])
{
for(std::size_t i = 0 ; i < N ; ++i)
{
try {
standard_parser<char> p;
ptree dummy;
p.parse_value(param[i].json, dummy);
BOOST_ERROR("expected exception");
} catch (json_parser::json_parser_error& e) {
std::string message = e.message();
if(message.find(param[i].message_substring) ==
std::string::npos)
{
std::ostringstream ss;
ss << "bad error message on input '" << param[i].json
<< "', need: '" << param[i].message_substring
<< "' but found '" << message << "'";
BOOST_ERROR(ss.str().c_str());
}
}
}
}
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;
};
struct do_narrow
{
char operator()(std::wstring::value_type w) const
{
unsigned long u = static_cast<unsigned long>(w);
if (u < 32 || u > 126)
return '?';
else
return static_cast<char>(u);
}
};
static std::string
make_narrow(std::wstring const& in)
{
std::string result(in.size(), ' ');
std::transform(in.begin(), in.end(), result.begin(), do_narrow());
return result;
}
template<std::size_t N>
void
test_parse_error_thrown_with_message_w(bad_parse_w const (¶m)[N])
{
for(std::size_t i = 0 ; i < N ; ++i)
{
try {
standard_parser<wchar_t> p;
wptree dummy;
p.parse_value(param[i].json, dummy);
BOOST_ERROR("expected exception");
} catch (json_parser::json_parser_error& e) {
std::string message = e.message();
if (message.find(param[i].message_substring) ==
std::string::npos)
{
std::ostringstream ss;
ss << "bad error message on input '" << make_narrow(param[i].json)
<< "', need: '" << param[i].message_substring
<< "' but found '" << message << "'";
BOOST_ERROR(ss.str().c_str());
}
}
}
}
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'"},
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