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#include "simdjson.h"
#include "test_ondemand.h"
using namespace simdjson;
namespace parse_api_tests {
using namespace std;
const padded_string BASIC_JSON = "[1,2,3]"_padded;
const padded_string BASIC_NDJSON = "[1,2,3]\n[4,5,6]"_padded;
const padded_string EMPTY_NDJSON = ""_padded;
bool parser_iterate_empty() {
TEST_START();
FILE *p;
// Of course, we could just call iterate on the empty string, but
// we want to test the whole process.
const char *const tmpfilename = "emptyondemand.txt";
if((p = fopen(tmpfilename, "w")) != nullptr) {
fclose(p);
auto json = padded_string::load(tmpfilename);
ondemand::document doc;
ondemand::parser parser;
auto error = parser.iterate(json).get(doc);
remove(tmpfilename);
if(error != simdjson::EMPTY) {
std::cerr << "Was expecting empty but got " << error << std::endl;
return false;
}
} else {
std::cout << "Warning: I could not create temporary file " << tmpfilename << std::endl;
std::cout << "We omit testing the empty file case." << std::endl;
}
TEST_SUCCEED();
}
bool parser_iterate() {
TEST_START();
ondemand::parser parser;
auto doc = parser.iterate(BASIC_JSON);
ASSERT_SUCCESS( doc.get_array() );
return true;
}
bool parser_iterate_padded() {
TEST_START();
ondemand::parser parser;
const char json_str[] = "12\0 ";// 64 bytes of padding
ASSERT_EQUAL(sizeof(json_str), 66);
ASSERT_EQUAL(strlen(json_str), 2);
{
cout << "- char*" << endl;
auto doc = parser.iterate(json_str, strlen(json_str), sizeof(json_str));
ASSERT_SUCCESS( doc.get_double() );
}
{
cout << "- uint8_t*" << endl;
const uint8_t* json = reinterpret_cast<const uint8_t*>(json_str);
auto doc = parser.iterate(json, strlen(json_str), sizeof(json_str));
ASSERT_SUCCESS( doc.get_double() );
}
{
cout << "- string_view" << endl;
std::string_view json(json_str);
auto doc = parser.iterate(json, sizeof(json_str));
ASSERT_SUCCESS( doc.get_double() );
}
{
cout << "- string" << endl;
std::string json = "12";
json.reserve(json.length() + SIMDJSON_PADDING);
auto doc = parser.iterate(json);
ASSERT_SUCCESS( doc.get_double() );
}
TEST_SUCCEED();
}
bool parser_iterate_padded_string_view() {
TEST_START();
ondemand::parser parser;
const char json_str[] = "12\0 "; // 64 bytes of padding
ASSERT_EQUAL(sizeof(json_str), 66);
ASSERT_EQUAL(strlen(json_str), 2);
{
cout << "- padded_string_view(string_view)" << endl;
padded_string_view json(std::string_view(json_str), sizeof(json_str));
auto doc = parser.iterate(json);
ASSERT_SUCCESS( doc.get_double() );
}
{
cout << "- padded_string_view(char*)" << endl;
auto doc = parser.iterate(padded_string_view(json_str, strlen(json_str), sizeof(json_str)));
ASSERT_SUCCESS( doc.get_double() );
}
{
cout << "- padded_string_view(string)" << endl;
std::string json = "12";
json.reserve(json.length() + SIMDJSON_PADDING);
auto doc = parser.iterate(padded_string_view(json));
ASSERT_SUCCESS( doc.get_double() );
}
{
cout << "- padded_string_view(string_view(char*))" << endl;
padded_string_view json(json_str, sizeof(json_str));
auto doc = parser.iterate(json);
ASSERT_SUCCESS( doc.get_double() );
}
TEST_SUCCEED();
}
bool parser_iterate_insufficient_padding() {
TEST_START();
ondemand::parser parser;
constexpr char json_str[] = "12\0 "; // 63 bytes of padding
ASSERT_EQUAL(sizeof(json_str), 65);
ASSERT_EQUAL(strlen(json_str), 2);
ASSERT_EQUAL(padded_string_view(json_str, strlen(json_str), sizeof(json_str)).padding(), 63);
ASSERT_EQUAL(SIMDJSON_PADDING, 64);
{
cout << "- char*, 63 padding" << endl;
ASSERT_ERROR( parser.iterate(json_str, strlen(json_str), sizeof(json_str)), INSUFFICIENT_PADDING );
cout << "- char*, 0 padding" << endl;
ASSERT_ERROR( parser.iterate(json_str, strlen(json_str), strlen(json_str)), INSUFFICIENT_PADDING );
}
{
std::string_view json(json_str);
cout << "- string_view, 63 padding" << endl;
ASSERT_ERROR( parser.iterate(json, sizeof(json_str)), INSUFFICIENT_PADDING );
cout << "- string_view, 0 padding" << endl;
ASSERT_ERROR( parser.iterate(json, strlen(json_str)), INSUFFICIENT_PADDING );
}
{
std::string json = "12345642314123421321321321321321312321321321321312";
json.shrink_to_fit();
cout << "- string, 0 padding" << endl;
ASSERT_SUCCESS( parser.iterate(json) );
}
{
std::string json = "12345642314123421321321321321321312321321321321312";
json.shrink_to_fit();
cout << "- string, 0 padding" << endl;
ASSERT_ERROR( parser.iterate((const std::string&)json), INSUFFICIENT_PADDING );
// It's actually kind of hard to allocate "just enough" capacity, since the string tends
// to grow more than you tell it to.
}
TEST_SUCCEED();
}
#if SIMDJSON_EXCEPTIONS
bool parser_iterate_exception() {
TEST_START();
ondemand::parser parser;
auto doc = parser.iterate(BASIC_JSON);
simdjson_unused ondemand::array array = doc;
TEST_SUCCEED();
}
bool parser_document_reuse() {
TEST_START();
ondemand::document doc;
// A document spans about 40 bytes. Nevertheless, some users
// would rather reuse them.
std::cout << sizeof(doc) << std::endl;
auto json = R"({"key": "value"})"_padded;
auto jsonbad = R"({"key": "value")"_padded; // deliberaty broken
auto jsonunclosedstring = "{\"coordinates:[{\"x\":1.1,\"y\":2.2,\"z\":3.3}]}"_padded;
std::string_view output;
ondemand::parser parser;
std::cout << "correct document (1)" << std::endl;
ASSERT_SUCCESS( parser.iterate(json).get(doc) );
ASSERT_SUCCESS(simdjson::to_json_string(doc).get(output));
std::cout << output << std::endl;
std::cout << "correct document (2)" << std::endl;
ASSERT_SUCCESS( parser.iterate(json).get(doc) );
for(ondemand::field field : doc.get_object() ) {
std::cout << "field: " << field.key() << std::endl;
}
std::cout << "unclosed string document " << std::endl;
simdjson::error_code error;
if((error = parser.iterate(jsonunclosedstring).get(doc)) == SUCCESS) {
// fallback kernel:
ASSERT_EQUAL( doc.get_object().find_field("coordinates").error(), TAPE_ERROR );
} else {
// regular kernels:
ASSERT_EQUAL( error, UNCLOSED_STRING );
}
std::cout << "truncated document " << std::endl;
ASSERT_SUCCESS( parser.iterate(jsonbad).get(doc) );
ASSERT_EQUAL( simdjson::to_json_string(doc).get(output), TAPE_ERROR );
std::cout << "correct document with new doc" << std::endl;
ondemand::document doc2;
ASSERT_SUCCESS( parser.iterate(json).get(doc2) );
for(ondemand::field field : doc2.get_object() ) {
std::cout << "field: " << field.key() << std::endl;
}
std::cout << "correct document (3): " << doc.to_debug_string() << std::endl;
std::cout << "correct document (3)" << std::endl;
ASSERT_SUCCESS( parser.iterate(json).get(doc) );
std::cout << doc.to_debug_string() << std::endl;
for(ondemand::field field : doc.get_object() ) {
std::cout << "field: " << field.key() << std::endl;
}
std::cout << "unclosed string document " << std::endl;
ASSERT_SUCCESS( parser.iterate(jsonbad).get(doc) );
ASSERT_EQUAL( simdjson::to_json_string(doc).get(output), TAPE_ERROR );
// next two lines are terrible code.
doc.~document();
doc = ondemand::document();
//
std::cout << "correct document (4)" << std::endl;
ASSERT_SUCCESS( parser.iterate(json).get(doc) );
ASSERT_SUCCESS( simdjson::to_json_string(doc).get(output) );
std::cout << output << std::endl;
std::cout << "unclosed string document " << std::endl;
if((error = parser.iterate(jsonunclosedstring).get(doc)) == SUCCESS) {
// fallback kernel:
ASSERT_EQUAL( doc.get_object().find_field("coordinates").error(), TAPE_ERROR );
} else {
// regular kernels:
ASSERT_EQUAL( error, UNCLOSED_STRING );
}
// next two lines are terrible code.
doc.~document();
doc = ondemand::document();
//
std::cout << "correct document (5)" << std::endl;
ASSERT_SUCCESS( parser.iterate(json).get(doc) );
ASSERT_SUCCESS( simdjson::to_json_string(doc).get(output) );
std::cout << output << std::endl;
TEST_SUCCEED();
}
#endif // SIMDJSON_EXCEPTIONS
bool run() {
return parser_iterate_empty() &&
parser_iterate() &&
parser_iterate_padded() &&
parser_iterate_padded_string_view() &&
parser_iterate_insufficient_padding() &&
#if SIMDJSON_EXCEPTIONS
parser_document_reuse() &&
parser_iterate_exception() &&
#endif // SIMDJSON_EXCEPTIONS
true;
}
}
int main(int argc, char *argv[]) {
return test_main(argc, argv, parse_api_tests::run);
}
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