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willem
2023-12-23 20:37:34 +01:00
parent 675fda89a1
commit 757ad51899
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Firmware/lib/json11/test.cpp Normal file
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/*
* Define JSON11_TEST_CUSTOM_CONFIG to 1 if you want to build this tester into
* your own unit-test framework rather than a stand-alone program. By setting
* The values of the variables included below, you can insert your own custom
* code into this file as it builds, in order to make it into a test case for
* your favorite framework.
*/
#if !JSON11_TEST_CUSTOM_CONFIG
#define JSON11_TEST_CPP_PREFIX_CODE
#define JSON11_TEST_CPP_SUFFIX_CODE
#define JSON11_TEST_STANDALONE_MAIN 1
#define JSON11_TEST_CASE(name) static void name()
#define JSON11_TEST_ASSERT(b) assert(b)
#ifdef NDEBUG
#undef NDEBUG//at now assert will work even in Release build
#endif
#endif // JSON11_TEST_CUSTOM_CONFIG
/*
* Enable or disable code which demonstrates the behavior change in Xcode 7 / Clang 3.7,
* introduced by DR1467 and described here: https://github.com/dropbox/json11/issues/86
* Defaults to off since it doesn't appear the standards committee is likely to act
* on this, so it needs to be considered normal behavior.
*/
#ifndef JSON11_ENABLE_DR1467_CANARY
#define JSON11_ENABLE_DR1467_CANARY 0
#endif
/*
* Beginning of standard source file, which makes use of the customizations above.
*/
#include <cassert>
#include <string>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <sstream>
#include "json11.hpp"
#include <list>
#include <set>
#include <unordered_map>
#include <algorithm>
#include <type_traits>
// Insert user-defined prefix code (includes, function declarations, etc)
// to set up a custom test suite
JSON11_TEST_CPP_PREFIX_CODE
using namespace json11;
using std::string;
// Check that Json has the properties we want.
#define CHECK_TRAIT(x) static_assert(std::x::value, #x)
CHECK_TRAIT(is_nothrow_constructible<Json>);
CHECK_TRAIT(is_nothrow_default_constructible<Json>);
CHECK_TRAIT(is_copy_constructible<Json>);
CHECK_TRAIT(is_nothrow_move_constructible<Json>);
CHECK_TRAIT(is_copy_assignable<Json>);
CHECK_TRAIT(is_nothrow_move_assignable<Json>);
CHECK_TRAIT(is_nothrow_destructible<Json>);
JSON11_TEST_CASE(json11_test) {
const string simple_test =
R"({"k1":"v1", "k2":42, "k3":["a",123,true,false,null]})";
string err;
const auto json = Json::parse(simple_test, err);
std::cout << "k1: " << json["k1"].string_value() << "\n";
std::cout << "k3: " << json["k3"].dump() << "\n";
for (auto &k : json["k3"].array_items()) {
std::cout << " - " << k.dump() << "\n";
}
string comment_test = R"({
// comment /* with nested comment */
"a": 1,
// comment
// continued
"b": "text",
/* multi
line
comment
// line-comment-inside-multiline-comment
*/
// and single-line comment
// and single-line comment /* multiline inside single line */
"c": [1, 2, 3]
// and single-line comment at end of object
})";
string err_comment;
auto json_comment = Json::parse(
comment_test, err_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(!json_comment.is_null());
JSON11_TEST_ASSERT(err_comment.empty());
comment_test = "{\"a\": 1}//trailing line comment";
json_comment = Json::parse(
comment_test, err_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(!json_comment.is_null());
JSON11_TEST_ASSERT(err_comment.empty());
comment_test = "{\"a\": 1}/*trailing multi-line comment*/";
json_comment = Json::parse(
comment_test, err_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(!json_comment.is_null());
JSON11_TEST_ASSERT(err_comment.empty());
string failing_comment_test = "{\n/* unterminated comment\n\"a\": 1,\n}";
string err_failing_comment;
auto json_failing_comment = Json::parse(
failing_comment_test, err_failing_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(json_failing_comment.is_null());
JSON11_TEST_ASSERT(!err_failing_comment.empty());
failing_comment_test = "{\n/* unterminated trailing comment }";
json_failing_comment = Json::parse(
failing_comment_test, err_failing_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(json_failing_comment.is_null());
JSON11_TEST_ASSERT(!err_failing_comment.empty());
failing_comment_test = "{\n/ / bad comment }";
json_failing_comment = Json::parse(
failing_comment_test, err_failing_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(json_failing_comment.is_null());
JSON11_TEST_ASSERT(!err_failing_comment.empty());
failing_comment_test = "{// bad comment }";
json_failing_comment = Json::parse(
failing_comment_test, err_failing_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(json_failing_comment.is_null());
JSON11_TEST_ASSERT(!err_failing_comment.empty());
failing_comment_test = "{\n\"a\": 1\n}/";
json_failing_comment = Json::parse(
failing_comment_test, err_failing_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(json_failing_comment.is_null());
JSON11_TEST_ASSERT(!err_failing_comment.empty());
failing_comment_test = "{/* bad\ncomment *}";
json_failing_comment = Json::parse(
failing_comment_test, err_failing_comment, JsonParse::COMMENTS);
JSON11_TEST_ASSERT(json_failing_comment.is_null());
JSON11_TEST_ASSERT(!err_failing_comment.empty());
std::list<int> l1 { 1, 2, 3 };
std::vector<int> l2 { 1, 2, 3 };
std::set<int> l3 { 1, 2, 3 };
JSON11_TEST_ASSERT(Json(l1) == Json(l2));
JSON11_TEST_ASSERT(Json(l2) == Json(l3));
std::map<string, string> m1 { { "k1", "v1" }, { "k2", "v2" } };
std::unordered_map<string, string> m2 { { "k1", "v1" }, { "k2", "v2" } };
JSON11_TEST_ASSERT(Json(m1) == Json(m2));
// Json literals
const Json obj = Json::object({
{ "k1", "v1" },
{ "k2", 42.0 },
{ "k3", Json::array({ "a", 123.0, true, false, nullptr }) },
});
std::cout << "obj: " << obj.dump() << "\n";
JSON11_TEST_ASSERT(obj.dump() == "{\"k1\": \"v1\", \"k2\": 42, \"k3\": [\"a\", 123, true, false, null]}");
JSON11_TEST_ASSERT(Json("a").number_value() == 0);
JSON11_TEST_ASSERT(Json("a").string_value() == "a");
JSON11_TEST_ASSERT(Json().number_value() == 0);
JSON11_TEST_ASSERT(obj == json);
JSON11_TEST_ASSERT(Json(42) == Json(42.0));
JSON11_TEST_ASSERT(Json(42) != Json(42.1));
const string unicode_escape_test =
R"([ "blah\ud83d\udca9blah\ud83dblah\udca9blah\u0000blah\u1234" ])";
const char utf8[] = "blah" "\xf0\x9f\x92\xa9" "blah" "\xed\xa0\xbd" "blah"
"\xed\xb2\xa9" "blah" "\0" "blah" "\xe1\x88\xb4";
Json uni = Json::parse(unicode_escape_test, err);
JSON11_TEST_ASSERT(uni[0].string_value().size() == (sizeof utf8) - 1);
JSON11_TEST_ASSERT(std::memcmp(uni[0].string_value().data(), utf8, sizeof utf8) == 0);
// Demonstrates the behavior change in Xcode 7 / Clang 3.7, introduced by DR1467
// and described here: https://llvm.org/bugs/show_bug.cgi?id=23812
if (JSON11_ENABLE_DR1467_CANARY) {
Json nested_array = Json::array { Json::array { 1, 2, 3 } };
JSON11_TEST_ASSERT(nested_array.is_array());
JSON11_TEST_ASSERT(nested_array.array_items().size() == 1);
JSON11_TEST_ASSERT(nested_array.array_items()[0].is_array());
JSON11_TEST_ASSERT(nested_array.array_items()[0].array_items().size() == 3);
}
{
const std::string good_json = R"( {"k1" : "v1"})";
const std::string bad_json1 = good_json + " {";
const std::string bad_json2 = good_json + R"({"k2":"v2", "k3":[)";
struct TestMultiParse {
std::string input;
std::string::size_type expect_parser_stop_pos;
size_t expect_not_empty_elms_count;
Json expect_parse_res;
} tests[] = {
{" {", 0, 0, {}},
{good_json, good_json.size(), 1, Json(std::map<string, string>{ { "k1", "v1" } })},
{bad_json1, good_json.size() + 1, 1, Json(std::map<string, string>{ { "k1", "v1" } })},
{bad_json2, good_json.size(), 1, Json(std::map<string, string>{ { "k1", "v1" } })},
{"{}", 2, 1, Json::object{}},
};
for (const auto &tst : tests) {
std::string::size_type parser_stop_pos;
std::string err;
auto res = Json::parse_multi(tst.input, parser_stop_pos, err);
JSON11_TEST_ASSERT(parser_stop_pos == tst.expect_parser_stop_pos);
JSON11_TEST_ASSERT(
(size_t)std::count_if(res.begin(), res.end(),
[](const Json& j) { return !j.is_null(); })
== tst.expect_not_empty_elms_count);
if (!res.empty()) {
JSON11_TEST_ASSERT(tst.expect_parse_res == res[0]);
}
}
}
Json my_json = Json::object {
{ "key1", "value1" },
{ "key2", false },
{ "key3", Json::array { 1, 2, 3 } },
};
std::string json_obj_str = my_json.dump();
std::cout << "json_obj_str: " << json_obj_str << "\n";
JSON11_TEST_ASSERT(json_obj_str == "{\"key1\": \"value1\", \"key2\": false, \"key3\": [1, 2, 3]}");
class Point {
public:
int x;
int y;
Point (int x, int y) : x(x), y(y) {}
Json to_json() const { return Json::array { x, y }; }
};
std::vector<Point> points = { { 1, 2 }, { 10, 20 }, { 100, 200 } };
std::string points_json = Json(points).dump();
std::cout << "points_json: " << points_json << "\n";
JSON11_TEST_ASSERT(points_json == "[[1, 2], [10, 20], [100, 200]]");
JSON11_TEST_ASSERT(((Json)(Json::object { { "foo", nullptr } })).has_shape({ { "foo", Json::NUL } }, err) == true);
JSON11_TEST_ASSERT(((Json)(Json::object { { "foo", 1234567 } })).has_shape({ { "foo", Json::NUL } }, err) == false);
JSON11_TEST_ASSERT(((Json)(Json::object { { "bar", 1234567 } })).has_shape({ { "foo", Json::NUL } }, err) == false);
}
#if JSON11_TEST_STANDALONE_MAIN
static void parse_from_stdin() {
string buf;
string line;
while (std::getline(std::cin, line)) {
buf += line + "\n";
}
string err;
auto json = Json::parse(buf, err);
if (!err.empty()) {
printf("Failed: %s\n", err.c_str());
} else {
printf("Result: %s\n", json.dump().c_str());
}
}
int main(int argc, char **argv) {
if (argc == 2 && argv[1] == string("--stdin")) {
parse_from_stdin();
return 0;
}
json11_test();
}
#endif // JSON11_TEST_STANDALONE_MAIN
// Insert user-defined suffix code (function definitions, etc)
// to set up a custom test suite
JSON11_TEST_CPP_SUFFIX_CODE