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jsontest.cc
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// -*- c-basic-offset: 4 -*-
/*
* jsontest.{cc,hh} -- regression tests for Json
* Eddie Kohler
*
* Copyright (c) 2012-2014 Eddie Kohler
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, subject to the conditions
* listed in the Click LICENSE file. These conditions include: you must
* preserve this copyright notice, and you cannot mention the copyright
* holders in advertising related to the Software without their permission.
* The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
* notice is a summary of the Click LICENSE file; the license in that file is
* legally binding.
*/
#include "json.hh"
#include <unordered_map>
using namespace lcdf;
#define CHECK(x) do { if (!(x)) { std::cerr << __FILE__ << ":" << __LINE__ << ": test '" << #x << "' failed\n"; exit(1); } } while (0)
#define CHECK_JUP(x, str) do { if ((x).unparse() != (str)) { std::cerr << __FILE__ << ":" << __LINE__ << ": '" #x "' is '" << (x) << "', not '" << (str) << "'\n"; exit(1); } } while (0)
#if 0
template <typename T> void incr(T& x) __attribute__((noinline));
template <typename T>
void incr(T& x) {
++x;
}
#endif
void benchmark_parse() {
std::vector<String> parse_examples;
parse_examples.push_back("{}");
parse_examples.push_back("{\"foo\":\"bar\",\"baz\":\"flim\"}");
parse_examples.push_back("[1,2,3,4,5]");
parse_examples.push_back("[]");
parse_examples.push_back("[{},{\"b\":[]}]");
Json j;
#if 0
for (int i = 0; i < 10000000; ++i)
j.assign_parse(parse_examples[rand() % parse_examples.size()]);
#else
using std::swap;
Json::streaming_parser jsp;
for (int i = 0; i < 10000000; ++i) {
jsp.reset();
swap(jsp.result(), j);
const String& str = parse_examples[rand() % parse_examples.size()];
jsp.consume(str.begin(), str.end(), str, true);
}
#endif
exit(0);
}
int main(int argc, char** argv) {
(void) argc, (void) argv;
//benchmark_parse();
Json j;
CHECK(j.empty());
CHECK(!j);
j = Json::make_object();
CHECK(j.empty());
CHECK(j);
j.set("foo", "bar");
CHECK(j["foo"]);
CHECK(j["foo"].to_s() == "bar");
CHECK(j.size() == 1);
j.set("baz", "flim");
CHECK(j.size() == 2);
CHECK(j.unparse() == "{\"foo\":\"bar\",\"baz\":\"flim\"}");
j.erase("foo");
CHECK(j.size() == 1);
j.assign_parse("2");
CHECK(j == 2);
j.assign_parse("null");
CHECK(j == Json());
j.assign_parse("\"a\"");
CHECK(j == "a");
j.assign_parse("[1,2]");
CHECK(j.unparse() == "[1,2]");
j.assign_parse("[[[]],{\"a\":{}}]");
CHECK(j.unparse() == "[[[]],{\"a\":{}}]");
j = Json::parse("{\"x22\":{\n\
\"git-revision\":\"ebbd3d4767847300f552b181a10bda57a926f554M\",\n\
\"time\":\"Tue Feb 7 20:20:33 2012\",\n\
\"machine\":\"rtshanks-laptop\",\n\
\"cores\":2,\n\
\"runs\":[\"x22\\/rw2\\/mb\\/0\"]\n\
},\n\
\"x23\":{\n\
\"git-revision\":\"ebbd3d4767847300f552b181a10bda57a926f554M\",\n\
\"time\":\"Tue Feb 7 20:31:05 2012\",\n\
\"machine\":\"rtshanks-laptop\",\n\
\"cores\":2,\n\
\"runs\":[\"x23\\/rw2\\/mb\\/0\",\"x23\\/rw1\\/mb\\/0\",\"x23\\/rw3\\/mb\\/0\"]\n\
},\n\
\"x24\":{\n\
\"git-revision\":\"62e9970ca8ae9c6eebf2d71b7065ea694fb25282M\",\n\
\"time\":\"Sat Feb 11 15:54:01 2012\",\n\
\"machine\":\"rtshanks-laptop\",\n\
\"cores\":2,\n\
\"runs\":[\"x24\\/rw1\\/b\\/0\"]\n\
},\"b\":\"c\",\"c\":\"d\"}");
CHECK(j["x22"]["time"] == "Tue Feb 7 20:20:33 2012");
CHECK(j["x22"]["cores"] == 2);
{
Json::object_iterator it = j.obegin();
CHECK(it.key() == "x22");
++it;
CHECK(it.key() == "x23");
++it;
CHECK(it.key() == "x24");
++it;
CHECK(it.key() == "b");
++it;
CHECK(it.key() == "c");
}
{
Json jcopy = j;
CHECK(j.size() == 5);
int count = 0;
for (Json::iterator it = jcopy.begin(); it != jcopy.end(); ++it) {
it->second = Json();
++count;
}
CHECK(!jcopy["x22"]);
CHECK(j["x22"]["cores"] == 2);
CHECK(count == jcopy.size());
}
CHECK(!j["x49"]);
CHECK(j.size() == 5);
CHECK(!j["x49"]["45"][2]["a"]);
CHECK(j.size() == 5);
j["x49"]["45"][2]["a"] = 1;
CHECK(j.size() == 6);
CHECK(j["x22"].is_object() && j.get("x22").is_object());
CHECK(j["x23"].is_object() && j.get("x23").is_object());
CHECK(j["b"].is_string() && j.get("b").is_string());
CHECK(j["x49"].is_object() && j.get("x49").is_object());
CHECK(j["x49"]["45"].is_array());
CHECK(j["x49"]["45"].size() == 3 && j["x49"]["45"][2].is_object());
j = Json::make_object();
j["a"] = j["b"];
CHECK(j.size() == 1);
CHECK(j["a"].is_null());
CHECK(j.count("a") == 1);
Json k = Json::make_array();
{
CHECK(k.size() == 0);
Json::array_iterator it = k.abegin();
CHECK(!it.live());
}
j = Json::make_object();
j["a"] = k[2];
CHECK(j.size() == 1);
CHECK(k.size() == 0);
CHECK(j["a"].is_null());
CHECK(j.count("a") == 1);
j = Json(1);
CHECK(j.get("a").is_null());
j.assign_parse("{\"a\":1,\"b\":true,\"c\":\"\"}");
{
int i = 0;
bool b = false;
String s;
CHECK(j.get("a", i));
CHECK(i == 1);
CHECK(j.get("a", i).get("b", b));
CHECK(b == true);
CHECK(!j.get("a", s).status());
CHECK(!j.get("a", s).status(b));
CHECK(b == false);
CHECK(j.get("a", k));
CHECK(k == Json(1));
CHECK(!j.get("cc", k));
}
j["a"] = Json(5);
j.set("a", Json(5));
j["b"] = Json::parse("[]");
{
Json j1 = Json::make_object(), j2 = Json::make_object();
j1.set("a", j2); // stores a COPY of j2 in j1
j2.set("b", 1);
CHECK(j1.unparse() == "{\"a\":{}}");
CHECK(j2.unparse() == "{\"b\":1}");
}
{
Json j = Json::parse("{\"a\":true}");
if (j["foo"]["bar"])
CHECK(false);
CHECK(j.unparse() == "{\"a\":true}");
j["foo"]["bar"] = true;
CHECK(j.unparse() == "{\"a\":true,\"foo\":{\"bar\":true}}");
j["a"]["2"] = false;
CHECK(j.unparse() == "{\"a\":{\"2\":false},\"foo\":{\"bar\":true}}");
j[3] = true;
CHECK(j.unparse() == "{\"a\":{\"2\":false},\"foo\":{\"bar\":true},\"3\":true}");
CHECK(j[3] == Json(true));
j = Json::parse("[1,2,3,4]");
CHECK(j["2"] == Json(3));
CHECK(j.unparse() == "[1,2,3,4]");
j["a"] = true;
CHECK(j.unparse() == "{\"0\":1,\"1\":2,\"2\":3,\"3\":4,\"a\":true}");
CHECK(j["2"] == Json(3));
}
{
Json j = Json::parse("{}");
j.set("foo", String::make_out_of_memory()).set(String::make_out_of_memory(), 2);
CHECK(j.unparse() == "{\"foo\":\"\360\237\222\243ENOMEM\360\237\222\243\",\"\360\237\222\243ENOMEM\360\237\222\243\":2}");
j.clear();
CHECK(j.unparse() == "{}");
CHECK(j.get("foo") == Json());
}
{
Json j = Json::array(1, 2, 3, 4, 5, 6, 7, 8);
CHECK(j.unparse() == "[1,2,3,4,5,6,7,8]");
Json jcopy = j;
CHECK(j.unparse() == "[1,2,3,4,5,6,7,8]");
CHECK(jcopy.unparse() == "[1,2,3,4,5,6,7,8]");
j.push_back(9);
CHECK(j.unparse() == "[1,2,3,4,5,6,7,8,9]");
CHECK(jcopy.unparse() == "[1,2,3,4,5,6,7,8]");
jcopy.push_back(10);
CHECK(j.unparse() == "[1,2,3,4,5,6,7,8,9]");
CHECK(jcopy.unparse() == "[1,2,3,4,5,6,7,8,10]");
}
{
unsigned long s = 77;
Json j = Json::array(0, 0, 0);
Json k = Json::array(0, s, "foo");
CHECK(j[1].is_i());
CHECK(k[1].is_u());
j[1] = k[1];
CHECK(j[1].is_u());
}
#if 0
{
Json j = Json::array(1, 2, 3);
//int j[3] = {1, 2, 3};
for (int i = 0; i < 1000000; ++i)
incr(j[1].value());
std::cout << j << "\n";
}
#endif
{
Json::streaming_parser jsp;
const uint8_t* x = reinterpret_cast<const uint8_t*>("\"abcdef\"");
const uint8_t* r = jsp.consume(x, x + 8, String());
CHECK(r == x + 8);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "\"abcdef\"");
x = reinterpret_cast<const uint8_t*>("\"\\\"\\\\fartbox\" amksdnsndfa");
jsp.reset();
r = jsp.consume(x, x + 9, String());
CHECK(r == x + 9);
CHECK(!jsp.done());
r = jsp.consume(x + 9, x + 17, String());
CHECK(r == x + 13);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "\"\\\"\\\\fartbox\"");
jsp.reset();
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 3, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 9, String());
CHECK(r == x + 9);
r = jsp.consume(x + 9, x + 13, String());
CHECK(r == x + 13);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "\"\\\"\\\\fartbox\"");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("\"\\uD834\\uDD1E\"f");
r = jsp.consume(x, x + 15, String());
CHECK(r == x + 14);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "\"\xF0\x9D\x84\x9E\"");
jsp.reset();
r = jsp.consume(x, x + 2, String());
CHECK(r == x + 2);
r = jsp.consume(x + 2, x + 4, String());
CHECK(r == x + 4);
r = jsp.consume(x + 4, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 8, String());
CHECK(r == x + 8);
r = jsp.consume(x + 8, x + 10, String());
CHECK(r == x + 10);
r = jsp.consume(x + 10, x + 15, String());
CHECK(r == x + 14);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "\"\xF0\x9D\x84\x9E\"");
x = reinterpret_cast<const uint8_t*>("\"\xF0\x9D\x84\x9E\" fart");
jsp.reset();
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 5, x + 7, String());
CHECK(r == x + 5);
CHECK(jsp.error());
jsp.reset();
r = jsp.consume(x, x + 7, String());
CHECK(r == x + 6);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "\"\xF0\x9D\x84\x9E\"");
jsp.reset();
r = jsp.consume(x, x + 2, String());
CHECK(r == x + 2);
r = jsp.consume(x + 2, x + 4, String());
CHECK(r == x + 4);
r = jsp.consume(x + 4, x + 7, String());
CHECK(r == x + 6);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "\"\xF0\x9D\x84\x9E\"");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("{}");
r = jsp.consume(x, x + 2, String());
CHECK(r == x + 2);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "{}");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("\"ab cde\" ");
r = jsp.consume(x, x + 9, String());
CHECK(r == x + 8);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "\"ab cde\"");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("{\"a\":\"b\"}");
r = jsp.consume(x, x + 9, String());
CHECK(r == x + 9);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "{\"a\":\"b\"}");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("[]");
r = jsp.consume(x, x + 2, String());
CHECK(r == x + 2);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "[]");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("[\"a\",\"b\"]");
r = jsp.consume(x, x + 9, String());
CHECK(r == x + 9);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "[\"a\",\"b\"]");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("[[\"a\"],[[\"b\"]]]");
r = jsp.consume(x, x + 15, String());
CHECK(r == x + 15);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "[[\"a\"],[[\"b\"]]]");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("[[],[[]]]");
r = jsp.consume(x, x + 9, String());
CHECK(r == x + 9);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "[[],[[]]]");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("{\"abc\":\"def\"}");
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 3, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 9, String());
CHECK(r == x + 9);
r = jsp.consume(x + 9, x + 12, String());
CHECK(r == x + 12);
r = jsp.consume(x + 12, x + 13, String());
CHECK(r == x + 13);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "{\"abc\":\"def\"}");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("{\"abc\":true }");
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 3, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 9, String());
CHECK(r == x + 9);
r = jsp.consume(x + 9, x + 12, String());
CHECK(r == x + 12);
r = jsp.consume(x + 12, x + 13, String());
CHECK(r == x + 13);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "{\"abc\":true}");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("{\"abc\": null}");
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 3, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 9, String());
CHECK(r == x + 9);
r = jsp.consume(x + 9, x + 12, String());
CHECK(r == x + 12);
r = jsp.consume(x + 12, x + 13, String());
CHECK(r == x + 13);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "{\"abc\":null}");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("{\"abc\":false}");
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 3, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 9, String());
CHECK(r == x + 9);
r = jsp.consume(x + 9, x + 12, String());
CHECK(r == x + 12);
r = jsp.consume(x + 12, x + 13, String());
CHECK(r == x + 13);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "{\"abc\":false}");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("{\"abc\": -13 }");
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 3, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 9, String());
CHECK(r == x + 9);
r = jsp.consume(x + 9, x + 12, String());
CHECK(r == x + 12);
r = jsp.consume(x + 12, x + 13, String());
CHECK(r == x + 13);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "{\"abc\":-13}");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("{\"abc\":0 }");
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 3, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 9, String());
CHECK(r == x + 9);
r = jsp.consume(x + 9, x + 12, String());
CHECK(r == x + 12);
r = jsp.consume(x + 12, x + 13, String());
CHECK(r == x + 13);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "{\"abc\":0}");
jsp.reset();
x = reinterpret_cast<const uint8_t*>("[0,1,2,3,4e5,10.2]");
r = jsp.consume(x, x + 3, String());
CHECK(r == x + 3);
r = jsp.consume(x + 3, x + 6, String());
CHECK(r == x + 6);
r = jsp.consume(x + 6, x + 9, String());
CHECK(r == x + 9);
r = jsp.consume(x + 9, x + 12, String());
CHECK(r == x + 12);
r = jsp.consume(x + 12, x + 18, String());
CHECK(r == x + 18);
CHECK(jsp.success());
CHECK(jsp.result().unparse() == "[0,1,2,3,400000,10.2]");
}
{
unsigned long s = 77;
Json j = Json::array(0, s, "foo");
CHECK(j.is_a());
CHECK(j[1].is_u());
CHECK(j[1] == s);
CHECK(j[1] == 77);
j = Json::array((uint64_t) -1, (int64_t) -1,
(uint64_t) 1, (int64_t) 1,
(uint64_t) 2, (int64_t) 2);
CHECK(j[0] != j[1]);
CHECK(j[2] == j[3]);
CHECK(j[4] == j[5]);
CHECK(j[0] != j[2]);
CHECK(j[2] != j[4]);
CHECK_JUP(j, "[18446744073709551615,-1,1,1,2,2]");
}
{
std::vector<int> v = {1, 2, 3, 4, 5};
Json j(v.begin(), v.end());
CHECK(j.unparse() == "[1,2,3,4,5]");
}
{
std::unordered_map<String, String> h;
h["a"] = "b";
h["c"] = "d";
h["x"] = "e";
Json j(h.begin(), h.end());
CHECK(j.is_o());
CHECK(j.size() == 3);
CHECK(j["a"] == "b");
CHECK(j["c"] == "d");
CHECK(j["x"] == "e");
}
{
Json j = Json::array(1, 2, 3, 4, 5, 6, 7, 8);
CHECK(j.unparse() == "[1,2,3,4,5,6,7,8]");
Json jcopy = j;
CHECK(j.unparse() == "[1,2,3,4,5,6,7,8]");
CHECK(jcopy.unparse() == "[1,2,3,4,5,6,7,8]");
auto it = j.erase(j.abegin() + 4);
CHECK_JUP(j, "[1,2,3,4,6,7,8]");
CHECK_JUP(jcopy, "[1,2,3,4,5,6,7,8]");
CHECK(it == j.abegin() + 4);
it = j.erase(j.aend(), j.aend());
CHECK_JUP(j, "[1,2,3,4,6,7,8]");
CHECK(it == j.aend());
it = j.erase(j.abegin(), j.abegin());
CHECK_JUP(j, "[1,2,3,4,6,7,8]");
CHECK(it == j.abegin());
it = j.erase(j.abegin(), j.abegin() + 3);
CHECK_JUP(j, "[4,6,7,8]");
CHECK(it == j.abegin());
}
{
Json j((uint64_t) 1 << 63);
CHECK(j.is_u());
CHECK(j.unparse() == "9223372036854775808");
j = Json::parse("9223372036854775808");
CHECK(j.is_u());
CHECK(j.to_u() == (uint64_t) 1 << 63);
}
{
Json j = Json::object("a", 1, "b", Json(2), "c", "9137471");
CHECK(j.unparse() == "{\"a\":1,\"b\":2,\"c\":\"9137471\"}");
}
{
Json a = Json::parse("[{\"a\":1},{\"b\":2},{\"c\":3},{\"d\":4}]");
Json b = Json::array(a[1], a[3], a[2], a[0]);
CHECK(&a[0]["a"].cvalue() == &b[3]["a"].cvalue());
b.push_back(a[5]);
CHECK(b[4] == Json());
CHECK(a.size() == 4);
b = Json::object("a5", a[5], "a3", a[3]);
CHECK(b.unparse() == "{\"a5\":null,\"a3\":{\"d\":4}}");
CHECK(a.size() == 4);
b.set_list("a6", a[6], "a2", a[2]);
CHECK(b.unparse() == "{\"a5\":null,\"a3\":{\"d\":4},\"a6\":null,\"a2\":{\"c\":3}}");
CHECK(a.size() == 4);
}
{
Json a = Json::parse("[{\"a\":\"\\\"\\\\\\/\"}]");
CHECK(a[0]["a"] == "\"\\/");
CHECK(a.unparse() == "[{\"a\":\"\\\"\\\\\\/\"}]");
}
CHECK(String("\\").encode_json() == "\\\\");
CHECK(String("\011\002\xE2\x80\xA9\xE2\x80\xAA").encode_json() == "\\t\\u0002\\u2029\xE2\x80\xAA");
CHECK(String("a").encode_uri_component() == "a");
CHECK(String(" ").encode_uri_component() == "%20");
CHECK(String("Ab -Ef").encode_uri_component() == "Ab%20-Ef");
std::cout << "All tests pass!\n";
return 0;
}