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basictests.cpp
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1950 lines (1740 loc) · 71.9 KB
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#include <cinttypes>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
#include <vector>
#include <cmath>
#include <set>
#include <string_view>
#include <sstream>
#include <utility>
#include <ciso646>
#include <unistd.h>
#include "simdjson.h"
#ifndef SIMDJSON_BENCHMARK_DATA_DIR
#define SIMDJSON_BENCHMARK_DATA_DIR "jsonexamples/"
#endif
const char *TWITTER_JSON = SIMDJSON_BENCHMARK_DATA_DIR "twitter.json";
const char *AMAZON_CELLPHONES_NDJSON = SIMDJSON_BENCHMARK_DATA_DIR "amazon_cellphones.ndjson";
template<typename T>
bool equals_expected(T actual, T expected) {
return actual == expected;
}
template<>
bool equals_expected<const char *>(const char *actual, const char *expected) {
return !strcmp(actual, expected);
}
#define ASSERT_EQUAL(ACTUAL, EXPECTED) if (!equals_expected(ACTUAL, EXPECTED)) { std::cerr << "Expected " << #ACTUAL << " to be " << (EXPECTED) << ", got " << (ACTUAL) << " instead!" << std::endl; return false; }
#define ASSERT(RESULT, MESSAGE) if (!(RESULT)) { std::cerr << MESSAGE << std::endl; return false; }
#define ASSERT_SUCCESS(ERROR) if (ERROR) { std::cerr << (ERROR) << std::endl; return false; }
namespace number_tests {
// ulp distance
// Marc B. Reynolds, 2016-2019
// Public Domain under http://unlicense.org, see link for details.
// adapted by D. Lemire
inline uint64_t f64_ulp_dist(double a, double b) {
uint64_t ua, ub;
memcpy(&ua, &a, sizeof(ua));
memcpy(&ub, &b, sizeof(ub));
if ((int64_t)(ub ^ ua) >= 0)
return (int64_t)(ua - ub) >= 0 ? (ua - ub) : (ub - ua);
return ua + ub + 0x80000000;
}
bool small_integers() {
std::cout << __func__ << std::endl;
simdjson::dom::parser parser;
for (int m = 10; m < 20; m++) {
for (int i = -1024; i < 1024; i++) {
auto str = std::to_string(i);
auto [actual, error] = parser.parse(str).get<int64_t>();
if (error) { std::cerr << error << std::endl; return false; }
if (actual != i) {
std::cerr << "JSON '" << str << "' parsed to " << actual << " instead of " << i << std::endl;
return false;
}
}
}
return true;
}
bool powers_of_two() {
std::cout << __func__ << std::endl;
char buf[1024];
simdjson::dom::parser parser;
uint64_t maxulp = 0;
for (int i = -1075; i < 1024; ++i) {// large negative values should be zero.
double expected = pow(2, i);
size_t n = snprintf(buf, sizeof(buf), "%.*e", std::numeric_limits<double>::max_digits10 - 1, expected);
if (n >= sizeof(buf)) { abort(); }
fflush(NULL);
auto [actual, error] = parser.parse(buf, n).get<double>();
if (error) { std::cerr << error << std::endl; return false; }
uint64_t ulp = f64_ulp_dist(actual,expected);
if(ulp > maxulp) maxulp = ulp;
if(ulp > 0) {
std::cerr << "JSON '" << buf << " parsed to " << actual << " instead of " << expected << std::endl;
return false;
}
}
return true;
}
static const double testing_power_of_ten[] = {
1e-307, 1e-306, 1e-305, 1e-304, 1e-303, 1e-302, 1e-301, 1e-300, 1e-299,
1e-298, 1e-297, 1e-296, 1e-295, 1e-294, 1e-293, 1e-292, 1e-291, 1e-290,
1e-289, 1e-288, 1e-287, 1e-286, 1e-285, 1e-284, 1e-283, 1e-282, 1e-281,
1e-280, 1e-279, 1e-278, 1e-277, 1e-276, 1e-275, 1e-274, 1e-273, 1e-272,
1e-271, 1e-270, 1e-269, 1e-268, 1e-267, 1e-266, 1e-265, 1e-264, 1e-263,
1e-262, 1e-261, 1e-260, 1e-259, 1e-258, 1e-257, 1e-256, 1e-255, 1e-254,
1e-253, 1e-252, 1e-251, 1e-250, 1e-249, 1e-248, 1e-247, 1e-246, 1e-245,
1e-244, 1e-243, 1e-242, 1e-241, 1e-240, 1e-239, 1e-238, 1e-237, 1e-236,
1e-235, 1e-234, 1e-233, 1e-232, 1e-231, 1e-230, 1e-229, 1e-228, 1e-227,
1e-226, 1e-225, 1e-224, 1e-223, 1e-222, 1e-221, 1e-220, 1e-219, 1e-218,
1e-217, 1e-216, 1e-215, 1e-214, 1e-213, 1e-212, 1e-211, 1e-210, 1e-209,
1e-208, 1e-207, 1e-206, 1e-205, 1e-204, 1e-203, 1e-202, 1e-201, 1e-200,
1e-199, 1e-198, 1e-197, 1e-196, 1e-195, 1e-194, 1e-193, 1e-192, 1e-191,
1e-190, 1e-189, 1e-188, 1e-187, 1e-186, 1e-185, 1e-184, 1e-183, 1e-182,
1e-181, 1e-180, 1e-179, 1e-178, 1e-177, 1e-176, 1e-175, 1e-174, 1e-173,
1e-172, 1e-171, 1e-170, 1e-169, 1e-168, 1e-167, 1e-166, 1e-165, 1e-164,
1e-163, 1e-162, 1e-161, 1e-160, 1e-159, 1e-158, 1e-157, 1e-156, 1e-155,
1e-154, 1e-153, 1e-152, 1e-151, 1e-150, 1e-149, 1e-148, 1e-147, 1e-146,
1e-145, 1e-144, 1e-143, 1e-142, 1e-141, 1e-140, 1e-139, 1e-138, 1e-137,
1e-136, 1e-135, 1e-134, 1e-133, 1e-132, 1e-131, 1e-130, 1e-129, 1e-128,
1e-127, 1e-126, 1e-125, 1e-124, 1e-123, 1e-122, 1e-121, 1e-120, 1e-119,
1e-118, 1e-117, 1e-116, 1e-115, 1e-114, 1e-113, 1e-112, 1e-111, 1e-110,
1e-109, 1e-108, 1e-107, 1e-106, 1e-105, 1e-104, 1e-103, 1e-102, 1e-101,
1e-100, 1e-99, 1e-98, 1e-97, 1e-96, 1e-95, 1e-94, 1e-93, 1e-92,
1e-91, 1e-90, 1e-89, 1e-88, 1e-87, 1e-86, 1e-85, 1e-84, 1e-83,
1e-82, 1e-81, 1e-80, 1e-79, 1e-78, 1e-77, 1e-76, 1e-75, 1e-74,
1e-73, 1e-72, 1e-71, 1e-70, 1e-69, 1e-68, 1e-67, 1e-66, 1e-65,
1e-64, 1e-63, 1e-62, 1e-61, 1e-60, 1e-59, 1e-58, 1e-57, 1e-56,
1e-55, 1e-54, 1e-53, 1e-52, 1e-51, 1e-50, 1e-49, 1e-48, 1e-47,
1e-46, 1e-45, 1e-44, 1e-43, 1e-42, 1e-41, 1e-40, 1e-39, 1e-38,
1e-37, 1e-36, 1e-35, 1e-34, 1e-33, 1e-32, 1e-31, 1e-30, 1e-29,
1e-28, 1e-27, 1e-26, 1e-25, 1e-24, 1e-23, 1e-22, 1e-21, 1e-20,
1e-19, 1e-18, 1e-17, 1e-16, 1e-15, 1e-14, 1e-13, 1e-12, 1e-11,
1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5, 1e-4, 1e-3, 1e-2,
1e-1, 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7,
1e8, 1e9, 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16,
1e17, 1e18, 1e19, 1e20, 1e21, 1e22, 1e23, 1e24, 1e25,
1e26, 1e27, 1e28, 1e29, 1e30, 1e31, 1e32, 1e33, 1e34,
1e35, 1e36, 1e37, 1e38, 1e39, 1e40, 1e41, 1e42, 1e43,
1e44, 1e45, 1e46, 1e47, 1e48, 1e49, 1e50, 1e51, 1e52,
1e53, 1e54, 1e55, 1e56, 1e57, 1e58, 1e59, 1e60, 1e61,
1e62, 1e63, 1e64, 1e65, 1e66, 1e67, 1e68, 1e69, 1e70,
1e71, 1e72, 1e73, 1e74, 1e75, 1e76, 1e77, 1e78, 1e79,
1e80, 1e81, 1e82, 1e83, 1e84, 1e85, 1e86, 1e87, 1e88,
1e89, 1e90, 1e91, 1e92, 1e93, 1e94, 1e95, 1e96, 1e97,
1e98, 1e99, 1e100, 1e101, 1e102, 1e103, 1e104, 1e105, 1e106,
1e107, 1e108, 1e109, 1e110, 1e111, 1e112, 1e113, 1e114, 1e115,
1e116, 1e117, 1e118, 1e119, 1e120, 1e121, 1e122, 1e123, 1e124,
1e125, 1e126, 1e127, 1e128, 1e129, 1e130, 1e131, 1e132, 1e133,
1e134, 1e135, 1e136, 1e137, 1e138, 1e139, 1e140, 1e141, 1e142,
1e143, 1e144, 1e145, 1e146, 1e147, 1e148, 1e149, 1e150, 1e151,
1e152, 1e153, 1e154, 1e155, 1e156, 1e157, 1e158, 1e159, 1e160,
1e161, 1e162, 1e163, 1e164, 1e165, 1e166, 1e167, 1e168, 1e169,
1e170, 1e171, 1e172, 1e173, 1e174, 1e175, 1e176, 1e177, 1e178,
1e179, 1e180, 1e181, 1e182, 1e183, 1e184, 1e185, 1e186, 1e187,
1e188, 1e189, 1e190, 1e191, 1e192, 1e193, 1e194, 1e195, 1e196,
1e197, 1e198, 1e199, 1e200, 1e201, 1e202, 1e203, 1e204, 1e205,
1e206, 1e207, 1e208, 1e209, 1e210, 1e211, 1e212, 1e213, 1e214,
1e215, 1e216, 1e217, 1e218, 1e219, 1e220, 1e221, 1e222, 1e223,
1e224, 1e225, 1e226, 1e227, 1e228, 1e229, 1e230, 1e231, 1e232,
1e233, 1e234, 1e235, 1e236, 1e237, 1e238, 1e239, 1e240, 1e241,
1e242, 1e243, 1e244, 1e245, 1e246, 1e247, 1e248, 1e249, 1e250,
1e251, 1e252, 1e253, 1e254, 1e255, 1e256, 1e257, 1e258, 1e259,
1e260, 1e261, 1e262, 1e263, 1e264, 1e265, 1e266, 1e267, 1e268,
1e269, 1e270, 1e271, 1e272, 1e273, 1e274, 1e275, 1e276, 1e277,
1e278, 1e279, 1e280, 1e281, 1e282, 1e283, 1e284, 1e285, 1e286,
1e287, 1e288, 1e289, 1e290, 1e291, 1e292, 1e293, 1e294, 1e295,
1e296, 1e297, 1e298, 1e299, 1e300, 1e301, 1e302, 1e303, 1e304,
1e305, 1e306, 1e307, 1e308};
bool powers_of_ten() {
std::cout << __func__ << std::endl;
char buf[1024];
simdjson::dom::parser parser;
for (int i = -1000000; i <= 308; ++i) {// large negative values should be zero.
size_t n = snprintf(buf, sizeof(buf), "1e%d", i);
if (n >= sizeof(buf)) { abort(); }
fflush(NULL);
auto [actual, error] = parser.parse(buf, n).get<double>();
if (error) { std::cerr << error << std::endl; return false; }
double expected = ((i >= -307) ? testing_power_of_ten[i + 307]: std::pow(10, i));
int ulp = (int) f64_ulp_dist(actual, expected);
if(ulp > 0) {
std::cerr << "JSON '" << buf << " parsed to " << actual << " instead of " << expected << std::endl;
return false;
}
}
printf("Powers of 10 can be parsed.\n");
return true;
}
bool run() {
return small_integers() &&
powers_of_two() &&
powers_of_ten();
}
}
namespace document_tests {
// adversarial example that once triggred overruns, see https://github.com/lemire/simdjson/issues/345
bool bad_example() {
std::cout << __func__ << std::endl;
simdjson::padded_string badjson = "[7,7,7,7,6,7,7,7,6,7,7,6,[7,7,7,7,6,7,7,7,6,7,7,6,7,7,7,7,7,7,6"_padded;
simdjson::dom::parser parser;
auto error = parser.parse(badjson).error();
if (!error) {
printf("This json should not be valid %s.\n", badjson.data());
return false;
}
return true;
}
bool count_array_example() {
std::cout << __func__ << std::endl;
simdjson::padded_string smalljson = "[1,2,3]"_padded;
simdjson::dom::parser parser;
auto [doc, error] = parser.parse(smalljson).get<simdjson::dom::array>();
if (error) {
printf("This json should be valid %s.\n", smalljson.data());
return false;
}
if(doc.size() != 3) {
printf("This json should have size three but found %zu : %s.\n", doc.size(), smalljson.data());
return false;
}
return true;
}
bool count_object_example() {
std::cout << __func__ << std::endl;
simdjson::padded_string smalljson = "{\"1\":1,\"2\":1,\"3\":1}"_padded;
simdjson::dom::parser parser;
auto [doc, error] = parser.parse(smalljson).get<simdjson::dom::object>();
if (error) {
printf("This json should be valid %s.\n", smalljson.data());
return false;
}
if(doc.size() != 3) {
printf("This json should have size three but found %zu : %s.\n", doc.size(), smalljson.data());
return false;
}
return true;
}
// returns true if successful
bool stable_test() {
std::cout << __func__ << std::endl;
simdjson::padded_string json = "{"
"\"Image\":{"
"\"Width\":800,"
"\"Height\":600,"
"\"Title\":\"View from 15th Floor\","
"\"Thumbnail\":{"
"\"Url\":\"http://www.example.com/image/481989943\","
"\"Height\":125,"
"\"Width\":100"
"},"
"\"Animated\":false,"
"\"IDs\":[116,943.3,234,38793]"
"}"
"}"_padded;
simdjson::dom::parser parser;
std::ostringstream myStream;
#if SIMDJSON_EXCEPTIONS
myStream << parser.parse(json);
#else
simdjson::dom::element doc;
simdjson::error_code error;
parser.parse(json).tie(doc, error);
myStream << doc;
#endif
std::string newjson = myStream.str();
if(static_cast<std::string>(json) != newjson) {
std::cout << "serialized json differs!" << std::endl;
std::cout << static_cast<std::string>(json) << std::endl;
std::cout << newjson << std::endl;
}
return newjson == static_cast<std::string>(json);
}
// returns true if successful
bool skyprophet_test() {
std::cout << "Running " << __func__ << std::endl;
const size_t n_records = 100000;
std::vector<std::string> data;
char buf[1024];
for (size_t i = 0; i < n_records; ++i) {
size_t n = snprintf(buf, sizeof(buf),
"{\"id\": %zu, \"name\": \"name%zu\", \"gender\": \"%s\", "
"\"school\": {\"id\": %zu, \"name\": \"school%zu\"}}",
i, i, (i % 2) ? "male" : "female", i % 10, i % 10);
if (n >= sizeof(buf)) { abort(); }
data.emplace_back(std::string(buf, n));
}
for (size_t i = 0; i < n_records; ++i) {
size_t n = snprintf(buf, sizeof(buf), "{\"counter\": %f, \"array\": [%s]}", static_cast<double>(i) * 3.1416,
(i % 2) ? "true" : "false");
if (n >= sizeof(buf)) { abort(); }
data.emplace_back(std::string(buf, n));
}
for (size_t i = 0; i < n_records; ++i) {
size_t n = snprintf(buf, sizeof(buf), "{\"number\": %e}", static_cast<double>(i) * 10000.31321321);
if (n >= sizeof(buf)) { abort(); }
data.emplace_back(std::string(buf, n));
}
data.emplace_back(std::string("true"));
data.emplace_back(std::string("false"));
data.emplace_back(std::string("null"));
data.emplace_back(std::string("0.1"));
size_t maxsize = 0;
for (auto &s : data) {
if (maxsize < s.size())
maxsize = s.size();
}
simdjson::dom::parser parser;
size_t counter = 0;
for (auto &rec : data) {
if ((counter % 10000) == 0) {
printf(".");
fflush(NULL);
}
counter++;
auto error = parser.parse(rec.c_str(), rec.length()).error();
if (error != simdjson::error_code::SUCCESS) {
printf("Something is wrong in skyprophet_test: %s.\n", rec.c_str());
printf("Parsing failed. Error is %s\n", simdjson::error_message(error));
return false;
}
error = parser.parse(rec.c_str(), rec.length()).error();
if (error != simdjson::error_code::SUCCESS) {
printf("Something is wrong in skyprophet_test: %s.\n", rec.c_str());
printf("Parsing failed. Error is %s\n", simdjson::error_message(error));
return false;
}
}
printf("\n");
return true;
}
bool lots_of_brackets() {
std::string input;
for(size_t i = 0; i < 200; i++) {
input += "[";
}
for(size_t i = 0; i < 200; i++) {
input += "]";
}
simdjson::dom::parser parser;
auto error = parser.parse(input).error();
if (error) { std::cerr << "Error: " << simdjson::error_message(error) << std::endl; return false; }
return true;
}
bool run() {
return bad_example() &&
count_array_example() &&
count_object_example() &&
stable_test() &&
skyprophet_test() &&
lots_of_brackets();
}
}
namespace document_stream_tests {
static simdjson::dom::document_stream parse_many_stream_return(simdjson::dom::parser &parser, simdjson::padded_string &str) {
return parser.parse_many(str);
}
// this is a compilation test
UNUSED static void parse_many_stream_assign() {
simdjson::dom::parser parser;
simdjson::padded_string str("{}",2);
simdjson::dom::document_stream s1 = parse_many_stream_return(parser, str);
}
static bool parse_json_message_issue467(simdjson::padded_string &json, size_t expectedcount) {
simdjson::dom::parser parser;
size_t count = 0;
for (auto doc : parser.parse_many(json)) {
if (doc.error()) {
std::cerr << "Failed with simdjson error= " << doc.error() << std::endl;
return false;
}
count++;
}
if(count != expectedcount) {
std::cerr << "bad count" << std::endl;
return false;
}
return true;
}
bool json_issue467() {
std::cout << "Running " << __func__ << std::endl;
auto single_message = R"({"error":[],"result":{"token":"xxx"}})"_padded;
auto two_messages = R"({"error":[],"result":{"token":"xxx"}}{"error":[],"result":{"token":"xxx"}})"_padded;
if(!parse_json_message_issue467(single_message, 1)) {
return false;
}
if(!parse_json_message_issue467(two_messages, 2)) {
return false;
}
return true;
}
// returns true if successful
bool document_stream_test() {
std::cout << "Running " << __func__ << std::endl;
fflush(NULL);
const size_t n_records = 10000;
std::string data;
char buf[1024];
for (size_t i = 0; i < n_records; ++i) {
size_t n = snprintf(buf,
sizeof(buf),
"{\"id\": %zu, \"name\": \"name%zu\", \"gender\": \"%s\", "
"\"ete\": {\"id\": %zu, \"name\": \"eventail%zu\"}}",
i, i, (i % 2) ? "homme" : "femme", i % 10, i % 10);
if (n >= sizeof(buf)) { abort(); }
data += std::string(buf, n);
}
for(size_t batch_size = 1000; batch_size < 2000; batch_size += (batch_size>1050?10:1)) {
printf(".");
fflush(NULL);
simdjson::padded_string str(data);
simdjson::dom::parser parser;
size_t count = 0;
for (auto [doc, error] : parser.parse_many(str, batch_size)) {
if (error) {
printf("Error at on document %zd at batch size %zu: %s\n", count, batch_size, simdjson::error_message(error));
return false;
}
auto [keyid, error2] = doc["id"].get<int64_t>();
if (error2) {
printf("Error getting id as int64 on document %zd at batch size %zu: %s\n", count, batch_size, simdjson::error_message(error2));
return false;
}
if (keyid != int64_t(count)) {
printf("key does not match %" PRId64 ", expected %zd on document %zd at batch size %zu\n", keyid, count, count, batch_size);
return false;
}
count++;
}
if(count != n_records) {
printf("Found wrong number of documents %zd, expected %zd at batch size %zu\n", count, n_records, batch_size);
return false;
}
}
printf("ok\n");
return true;
}
// returns true if successful
bool document_stream_utf8_test() {
std::cout << "Running " << __func__ << std::endl;
fflush(NULL);
const size_t n_records = 10000;
std::string data;
char buf[1024];
for (size_t i = 0; i < n_records; ++i) {
size_t n = snprintf(buf,
sizeof(buf),
"{\"id\": %zu, \"name\": \"name%zu\", \"gender\": \"%s\", "
"\"été\": {\"id\": %zu, \"name\": \"éventail%zu\"}}",
i, i, (i % 2) ? "⺃" : "⺕", i % 10, i % 10);
if (n >= sizeof(buf)) { abort(); }
data += std::string(buf, n);
}
for(size_t batch_size = 1000; batch_size < 2000; batch_size += (batch_size>1050?10:1)) {
printf(".");
fflush(NULL);
simdjson::padded_string str(data);
simdjson::dom::parser parser;
size_t count = 0;
for (auto [doc, error] : parser.parse_many(str, batch_size)) {
if (error) {
printf("Error at on document %zd at batch size %zu: %s\n", count, batch_size, simdjson::error_message(error));
return false;
}
auto [keyid, error2] = doc["id"].get<int64_t>();
if (error2) {
printf("Error getting id as int64 on document %zd at batch size %zu: %s\n", count, batch_size, simdjson::error_message(error2));
return false;
}
if (keyid != int64_t(count)) {
printf("key does not match %" PRId64 ", expected %zd on document %zd at batch size %zu\n", keyid, count, count, batch_size);
return false;
}
count++;
}
if(count != n_records) {
printf("Found wrong number of documents %zd, expected %zd at batch size %zu\n", count, n_records, batch_size);
return false;
}
}
printf("ok\n");
return true;
}
bool run() {
return json_issue467() &&
document_stream_test() &&
document_stream_utf8_test();
}
}
namespace parse_api_tests {
using namespace std;
using namespace simdjson;
using namespace simdjson::dom;
const padded_string BASIC_JSON = string("[1,2,3]");
const padded_string BASIC_NDJSON = string("[1,2,3]\n[4,5,6]");
// const padded_string EMPTY_NDJSON = string("");
bool parser_parse() {
std::cout << "Running " << __func__ << std::endl;
dom::parser parser;
auto [doc, error] = parser.parse(BASIC_JSON);
if (error) { cerr << error << endl; return false; }
if (!doc.is<dom::array>()) { cerr << "Document did not parse as an array" << endl; return false; }
return true;
}
bool parser_parse_many() {
std::cout << "Running " << __func__ << std::endl;
dom::parser parser;
int count = 0;
for (auto [doc, error] : parser.parse_many(BASIC_NDJSON)) {
if (error) { cerr << error << endl; return false; }
if (!doc.is<dom::array>()) { cerr << "Document did not parse as an array" << endl; return false; }
count++;
}
if (count != 2) { cerr << "parse_many returned " << count << " documents, expected 2" << endl; return false; }
return true;
}
// bool parser_parse_many_empty() {
// std::cout << "Running " << __func__ << std::endl;
// dom::parser parser;
// int count = 0;
// for (auto [doc, error] : parser.parse_many(EMPTY_NDJSON)) {
// if (error) { cerr << error << endl; return false; }
// count++;
// }
// if (count != 0) { cerr << "parse_many returned " << count << " documents, expected 0" << endl; return false; }
// return true;
// }
bool parser_load() {
std::cout << "Running " << __func__ << " on " << TWITTER_JSON << std::endl;
dom::parser parser;
auto [doc, error] = parser.load(TWITTER_JSON);
if (error) { cerr << error << endl; return false; }
if (!doc.is<dom::object>()) { cerr << "Document did not parse as an object" << endl; return false; }
return true;
}
bool parser_load_many() {
std::cout << "Running " << __func__ << " on " << AMAZON_CELLPHONES_NDJSON << std::endl;
dom::parser parser;
int count = 0;
for (auto [doc, error] : parser.load_many(AMAZON_CELLPHONES_NDJSON)) {
if (error) { cerr << error << endl; return false; }
dom::array arr;
doc.get<dom::array>().tie(arr, error); // let us get the array
if (error) { cerr << error << endl; return false; }
if(arr.size() != 9) { cerr << "bad array size"<< endl; return false; }
size_t c = 0;
for(auto v : arr) { c++; (void)v; }
if(c != 9) { cerr << "mismatched array size"<< endl; return false; }
count++;
}
if (count != 793) { cerr << "Expected 793 documents, but load_many loaded " << count << " documents." << endl; return false; }
return true;
}
#if SIMDJSON_EXCEPTIONS
bool parser_parse_exception() {
std::cout << "Running " << __func__ << std::endl;
dom::parser parser;
element doc = parser.parse(BASIC_JSON);
if (!doc.is<dom::array>()) { cerr << "Document did not parse as an array" << endl; return false; }
return true;
}
bool parser_parse_many_exception() {
std::cout << "Running " << __func__ << std::endl;
dom::parser parser;
int count = 0;
for (const element doc : parser.parse_many(BASIC_NDJSON)) {
if (!doc.is<dom::array>()) { cerr << "Document did not parse as an array" << endl; return false; }
count++;
}
if (count != 2) { cerr << "parse_many returned " << count << " documents, expected 2" << endl; return false; }
return true;
}
bool parser_load_exception() {
std::cout << "Running " << __func__ << std::endl;
dom::parser parser;
const element doc = parser.load(TWITTER_JSON);
if (!doc.is<dom::object>()) { cerr << "Document did not parse as an object" << endl; return false; }
size_t c = 0;
dom::object obj = doc.get<dom::object>().value(); // let us get the object
for (auto x : obj) {
c++;
(void) x;
}
if(c != obj.size()) { cerr << "Mismatched size" << endl; return false; }
return true;
}
bool parser_load_many_exception() {
std::cout << "Running " << __func__ << std::endl;
dom::parser parser;
int count = 0;
for (const element doc : parser.load_many(AMAZON_CELLPHONES_NDJSON)) {
if (!doc.is<dom::array>()) { cerr << "Document did not parse as an array" << endl; return false; }
count++;
}
if (count != 793) { cerr << "Expected 1 document, but load_many loaded " << count << " documents." << endl; return false; }
return true;
}
#endif
bool run() {
return parser_parse() &&
parser_parse_many() &&
// parser_parse_many_empty() &&
parser_load() &&
parser_load_many() &&
#if SIMDJSON_EXCEPTIONS
parser_parse_exception() &&
parser_parse_many_exception() &&
parser_load_exception() &&
parser_load_many_exception() &&
#endif
true;
}
}
namespace dom_api_tests {
using namespace std;
using namespace simdjson;
using namespace simdjson::dom;
SIMDJSON_PUSH_DISABLE_WARNINGS
SIMDJSON_DISABLE_DEPRECATED_WARNING
// returns true if successful
bool ParsedJson_Iterator_test() {
std::cout << "Running " << __func__ << std::endl;
simdjson::padded_string json = R"({
"Image": {
"Width": 800,
"Height": 600,
"Title": "View from 15th Floor",
"Thumbnail": {
"Url": "http://www.example.com/image/481989943",
"Height": 125,
"Width": 100
},
"Animated" : false,
"IDs": [116, 943, 234, 38793]
}
})"_padded;
simdjson::ParsedJson pj = build_parsed_json(json);
if (pj.error) {
printf("Could not parse '%s': %s\n", json.data(), simdjson::error_message(pj.error));
return false;
}
simdjson::ParsedJson::Iterator iter(pj);
if (!iter.is_object()) {
printf("Root should be object\n");
return false;
}
if (iter.move_to_key("bad key")) {
printf("We should not move to a non-existing key\n");
return false;
}
if (!iter.is_object()) {
printf("We should have remained at the object.\n");
return false;
}
if (iter.move_to_key_insensitive("bad key")) {
printf("We should not move to a non-existing key\n");
return false;
}
if (!iter.is_object()) {
printf("We should have remained at the object.\n");
return false;
}
if (!iter.down()) {
printf("Root should not be emtpy\n");
return false;
}
if (!iter.is_string()) {
printf("Object should start with string key\n");
return false;
}
if (iter.prev()) {
printf("We should not be able to go back from the start of the scope.\n");
return false;
}
if (strcmp(iter.get_string(),"Image")!=0) {
printf("There should be a single key, image.\n");
return false;
}
iter.move_to_value();
if(!iter.is_object()) {
printf("Value of image should be object\n");
return false;
}
if(!iter.down()) {
printf("Image key should not be emtpy\n");
return false;
}
if(!iter.next()) {
printf("key should have a value\n");
return false;
}
if(!iter.prev()) {
printf("We should go back to the key.\n");
return false;
}
if (strcmp(iter.get_string(),"Width")!=0) {
printf("There should be a key Width.\n");
return false;
}
if (!iter.up()) {
return false;
}
if (!iter.move_to_key("IDs")) {
printf("We should be able to move to an existing key\n");
return false;
}
if (!iter.is_array()) {
printf("Value of IDs should be array, it is %c \n", iter.get_type());
return false;
}
if (iter.move_to_index(4)) {
printf("We should not be able to move to a non-existing index\n");
return false;
}
if (!iter.is_array()) {
printf("We should have remained at the array\n");
return false;
}
return true;
}
SIMDJSON_POP_DISABLE_WARNINGS
bool object_iterator() {
std::cout << "Running " << __func__ << std::endl;
string json(R"({ "a": 1, "b": 2, "c": 3 })");
const char* expected_key[] = { "a", "b", "c" };
uint64_t expected_value[] = { 1, 2, 3 };
int i = 0;
dom::parser parser;
auto [object, error] = parser.parse(json).get<dom::object>();
if (error) { cerr << "Error: " << error << endl; return false; }
for (auto [key, value] : object) {
if (key != expected_key[i] || value.get<uint64_t>().first != expected_value[i]) { cerr << "Expected " << expected_key[i] << " = " << expected_value[i] << ", got " << key << "=" << value << endl; return false; }
i++;
}
if (i*sizeof(uint64_t) != sizeof(expected_value)) { cout << "Expected " << sizeof(expected_value) << " values, got " << i << endl; return false; }
return true;
}
bool array_iterator() {
std::cout << "Running " << __func__ << std::endl;
string json(R"([ 1, 10, 100 ])");
uint64_t expected_value[] = { 1, 10, 100 };
int i=0;
dom::parser parser;
auto [array, error] = parser.parse(json).get<dom::array>();
if (error) { cerr << "Error: " << error << endl; return false; }
for (auto value : array) {
if (value.get<uint64_t>().first != expected_value[i]) { cerr << "Expected " << expected_value[i] << ", got " << value << endl; return false; }
i++;
}
if (i*sizeof(uint64_t) != sizeof(expected_value)) { cout << "Expected " << sizeof(expected_value) << " values, got " << i << endl; return false; }
return true;
}
bool object_iterator_empty() {
std::cout << "Running " << __func__ << std::endl;
string json(R"({})");
int i = 0;
dom::parser parser;
auto [object, error] = parser.parse(json).get<dom::object>();
if (error) { cerr << "Error: " << error << endl; return false; }
for (auto [key, value] : object) {
cout << "Unexpected " << key << " = " << value << endl;
i++;
}
if (i > 0) { cout << "Expected 0 values, got " << i << endl; return false; }
return true;
}
bool array_iterator_empty() {
std::cout << "Running " << __func__ << std::endl;
string json(R"([])");
int i=0;
dom::parser parser;
auto [array, error] = parser.parse(json).get<dom::array>();
if (error) { cerr << "Error: " << error << endl; return false; }
for (auto value : array) {
cout << "Unexpected value " << value << endl;
i++;
}
if (i > 0) { cout << "Expected 0 values, got " << i << endl; return false; }
return true;
}
bool string_value() {
std::cout << "Running " << __func__ << std::endl;
string json(R"([ "hi", "has backslash\\" ])");
dom::parser parser;
auto [array, error] = parser.parse(json).get<dom::array>();
if (error) { cerr << "Error: " << error << endl; return false; }
auto val = array.begin();
if ((*val).get<std::string_view>().first != "hi") { cerr << "Expected value to be \"hi\", was " << (*val).get<std::string_view>().first << endl; return false; }
++val;
if ((*val).get<std::string_view>().first != "has backslash\\") { cerr << "Expected string_view(\"has backslash\\\\\") to be \"has backslash\\\", was " << (*val).get<std::string_view>().first << endl; return false; }
return true;
}
bool numeric_values() {
std::cout << "Running " << __func__ << std::endl;
string json(R"([ 0, 1, -1, 1.1 ])");
dom::parser parser;
auto [array, error] = parser.parse(json).get<dom::array>();
if (error) { cerr << "Error: " << error << endl; return false; }
auto val = array.begin();
if ((*val).get<uint64_t>().first != 0) { cerr << "Expected uint64_t(0) to be 0, was " << (*val) << endl; return false; }
if ((*val).get<int64_t>().first != 0) { cerr << "Expected int64_t(0) to be 0, was " << (*val).get<int64_t>().first << endl; return false; }
if ((*val).get<double>().first != 0) { cerr << "Expected double(0) to be 0, was " << (*val).get<double>().first << endl; return false; }
++val;
if ((*val).get<uint64_t>().first != 1) { cerr << "Expected uint64_t(1) to be 1, was " << (*val) << endl; return false; }
if ((*val).get<int64_t>().first != 1) { cerr << "Expected int64_t(1) to be 1, was " << (*val).get<int64_t>().first << endl; return false; }
if ((*val).get<double>().first != 1) { cerr << "Expected double(1) to be 1, was " << (*val).get<double>().first << endl; return false; }
++val;
if ((*val).get<int64_t>().first != -1) { cerr << "Expected int64_t(-1) to be -1, was " << (*val).get<int64_t>().first << endl; return false; }
if ((*val).get<double>().first != -1) { cerr << "Expected double(-1) to be -1, was " << (*val).get<double>().first << endl; return false; }
++val;
if ((*val).get<double>().first != 1.1) { cerr << "Expected double(1.1) to be 1.1, was " << (*val).get<double>().first << endl; return false; }
return true;
}
bool boolean_values() {
std::cout << "Running " << __func__ << std::endl;
string json(R"([ true, false ])");
dom::parser parser;
auto [array, error] = parser.parse(json).get<dom::array>();
if (error) { cerr << "Error: " << error << endl; return false; }
auto val = array.begin();
if ((*val).get<bool>().first != true) { cerr << "Expected bool(true) to be true, was " << (*val) << endl; return false; }
++val;
if ((*val).get<bool>().first != false) { cerr << "Expected bool(false) to be false, was " << (*val) << endl; return false; }
return true;
}
bool null_value() {
std::cout << "Running " << __func__ << std::endl;
string json(R"([ null ])");
dom::parser parser;
auto [array, error] = parser.parse(json).get<dom::array>();
if (error) { cerr << "Error: " << error << endl; return false; }
auto val = array.begin();
if (!(*val).is_null()) { cerr << "Expected null to be null!" << endl; return false; }
return true;
}
bool document_object_index() {
std::cout << "Running " << __func__ << std::endl;
string json(R"({ "a": 1, "b": 2, "c/d": 3})");
dom::parser parser;
auto [doc, error] = parser.parse(json);
if (doc["a"].get<uint64_t>().first != 1) { cerr << "Expected uint64_t(doc[\"a\"]) to be 1, was " << doc["a"].first << endl; return false; }
if (doc["b"].get<uint64_t>().first != 2) { cerr << "Expected uint64_t(doc[\"b\"]) to be 2, was " << doc["b"].first << endl; return false; }
if (doc["c/d"].get<uint64_t>().first != 3) { cerr << "Expected uint64_t(doc[\"c/d\"]) to be 3, was " << doc["c"].first << endl; return false; }
// Check all three again in backwards order, to ensure we can go backwards
if (doc["c/d"].get<uint64_t>().first != 3) { cerr << "Expected uint64_t(doc[\"c/d\"]) to be 3, was " << doc["c"].first << endl; return false; }
if (doc["b"].get<uint64_t>().first != 2) { cerr << "Expected uint64_t(doc[\"b\"]) to be 2, was " << doc["b"].first << endl; return false; }
if (doc["a"].get<uint64_t>().first != 1) { cerr << "Expected uint64_t(doc[\"a\"]) to be 1, was " << doc["a"].first << endl; return false; }
UNUSED element val;
#ifndef _LIBCPP_VERSION // should work everywhere but with libc++, must include the <ciso646> header.
std::tie(val,error) = doc["d"];
if (error != simdjson::NO_SUCH_FIELD) { cerr << "Expected NO_SUCH_FIELD error for uint64_t(doc[\"d\"]), got " << error << endl; return false; }
std::tie(std::ignore,error) = doc["d"];
if (error != simdjson::NO_SUCH_FIELD) { cerr << "Expected NO_SUCH_FIELD error for uint64_t(doc[\"d\"]), got " << error << endl; return false; }
#endif
// tie(val, error) = doc["d"]; fails with "no viable overloaded '='" on Apple clang version 11.0.0 tie(val, error) = doc["d"];
doc["d"].tie(val, error);
if (error != simdjson::NO_SUCH_FIELD) { cerr << "Expected NO_SUCH_FIELD error for uint64_t(doc[\"d\"]), got " << error << endl; return false; }
error = doc["d"].error();
if (error != simdjson::NO_SUCH_FIELD) { cerr << "Expected NO_SUCH_FIELD error for uint64_t(doc[\"d\"]), got " << error << endl; return false; }
return true;
}
bool object_index() {
std::cout << "Running " << __func__ << std::endl;
string json(R"({ "obj": { "a": 1, "b": 2, "c/d": 3 } })");
dom::parser parser;
auto [doc, error] = parser.parse(json);
if (error) { cerr << "Error: " << error << endl; return false; }
if (doc["obj"]["a"].get<uint64_t>().first != 1) { cerr << "Expected uint64_t(doc[\"obj\"][\"a\"]) to be 1, was " << doc["obj"]["a"].first << endl; return false; }
object obj;
doc.get<dom::object>().tie(obj, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0
if (error) { cerr << "Error: " << error << endl; return false; }
if (obj["obj"]["a"].get<uint64_t>().first != 1) { cerr << "Expected uint64_t(doc[\"obj\"][\"a\"]) to be 1, was " << doc["obj"]["a"].first << endl; return false; }
obj["obj"].get<dom::object>().tie(obj, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0
if (obj["a"].get<uint64_t>().first != 1) { cerr << "Expected uint64_t(obj[\"a\"]) to be 1, was " << obj["a"].first << endl; return false; }
if (obj["b"].get<uint64_t>().first != 2) { cerr << "Expected uint64_t(obj[\"b\"]) to be 2, was " << obj["b"].first << endl; return false; }
if (obj["c/d"].get<uint64_t>().first != 3) { cerr << "Expected uint64_t(obj[\"c\"]) to be 3, was " << obj["c"].first << endl; return false; }
// Check all three again in backwards order, to ensure we can go backwards
if (obj["c/d"].get<uint64_t>().first != 3) { cerr << "Expected uint64_t(obj[\"c\"]) to be 3, was " << obj["c"].first << endl; return false; }
if (obj["b"].get<uint64_t>().first != 2) { cerr << "Expected uint64_t(obj[\"b\"]) to be 2, was " << obj["b"].first << endl; return false; }
if (obj["a"].get<uint64_t>().first != 1) { cerr << "Expected uint64_t(obj[\"a\"]) to be 1, was " << obj["a"].first << endl; return false; }
UNUSED element val;
doc["d"].tie(val, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0;
if (error != simdjson::NO_SUCH_FIELD) { cerr << "Expected NO_SUCH_FIELD error for uint64_t(obj[\"d\"]), got " << error << endl; return false; }
return true;
}
bool twitter_count() {
std::cout << "Running " << __func__ << std::endl;
// Prints the number of results in twitter.json
dom::parser parser;
auto [result_count, error] = parser.load(TWITTER_JSON)["search_metadata"]["count"].get<uint64_t>();
if (error) { cerr << "Error: " << error << endl; return false; }
if (result_count != 100) { cerr << "Expected twitter.json[metadata_count][count] = 100, got " << result_count << endl; return false; }
return true;
}
bool twitter_default_profile() {
std::cout << "Running " << __func__ << std::endl;
// Print users with a default profile.
set<string_view> default_users;
dom::parser parser;
auto [tweets, error] = parser.load(TWITTER_JSON)["statuses"].get<dom::array>();
if (error) { cerr << "Error: " << error << endl; return false; }
for (auto tweet : tweets) {
object user;
tweet["user"].get<dom::object>().tie(user, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0;
if (error) { cerr << "Error: " << error << endl; return false; }
bool default_profile;
user["default_profile"].get<bool>().tie(default_profile, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0;
if (error) { cerr << "Error: " << error << endl; return false; }
if (default_profile) {
std::string_view screen_name;
user["screen_name"].get<std::string_view>().tie(screen_name, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0;
if (error) { cerr << "Error: " << error << endl; return false; }
default_users.insert(screen_name);
}
}
if (default_users.size() != 86) { cerr << "Expected twitter.json[statuses][user] to contain 86 default_profile users, got " << default_users.size() << endl; return false; }
return true;
}
bool twitter_image_sizes() {
std::cout << "Running " << __func__ << std::endl;
// Print image names and sizes
set<pair<uint64_t, uint64_t>> image_sizes;
dom::parser parser;
auto [tweets, error] = parser.load(TWITTER_JSON)["statuses"].get<dom::array>();
if (error) { cerr << "Error: " << error << endl; return false; }
for (auto tweet : tweets) {
auto [media, not_found] = tweet["entities"]["media"].get<dom::array>();
if (!not_found) {
for (auto image : media) {
object sizes;
image["sizes"].get<dom::object>().tie(sizes, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0;
if (error) { cerr << "Error: " << error << endl; return false; }
for (auto size : sizes) {
uint64_t width, height;
size.value["w"].get<uint64_t>().tie(width, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0;
if (error) { cerr << "Error: " << error << endl; return false; }
size.value["h"].get<uint64_t>().tie(height, error); // tie(...) = fails with "no viable overloaded '='" on Apple clang version 11.0.0;
if (error) { cerr << "Error: " << error << endl; return false; }
image_sizes.insert(make_pair(width, height));
}
}
}
}
if (image_sizes.size() != 15) { cerr << "Expected twitter.json[statuses][entities][media][sizes] to contain 15 different sizes, got " << image_sizes.size() << endl; return false; }
return true;
}
#if SIMDJSON_EXCEPTIONS
bool object_iterator_exception() {
std::cout << "Running " << __func__ << std::endl;
string json(R"({ "a": 1, "b": 2, "c": 3 })");