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// Copyright 2021, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
* @file
* @brief JSON C++ wrapper tests.
* @author Mateo de Mayo <mateo.demayo@collabora.com>
*/
#include "catch_amalgamated.hpp"
#include "util/u_json.hpp"
#include <string>
using std::string;
using xrt::auxiliary::util::json::JSONBuilder;
using xrt::auxiliary::util::json::JSONNode;
TEST_CASE("u_json")
{
// This is the json data we will be dealing with
// {
// "alpha": [1, true, 3.14, {"beta" : 4, "gamma" : 5}, {"delta" : 6}, [{"epsilon": [7], "zeta": false}]],
// "eta": "theta",
// "iota": {"kappa": [{"lambda": [5.5, [4.4, 3.3], {}, 2.2, 1, 0, {}, [-1], -2.2, -3.3, -4.4, -5.5]}]},
// "mu" : true,
// "nu" : false,
// "xi": 42,
// "omicron": [],
// "pi": 3.141592,
// "rho": [{"sigma": [{ "tau": [{"upsilon": [[[]]]}]}]}]
// }
JSONBuilder jb{};
jb << "{";
jb << "alpha"
<< "[" << 1 << true << 3.14 << "{"
<< "beta" << 4 << "gamma" << 5 << "}"
<< "{"
<< "delta" << 6 << "}"
<< "["
<< "{"
<< "epsilon"
<< "[" << 7 << "]"
<< "zeta" << false << "}"
<< "]"
<< "]";
jb << "eta"
<< "theta";
jb << "iota"
<< "{"
<< "kappa"
<< "["
<< "{"
<< "lambda"
<< "[" << 5.5 << "[" << 4.4 << 3.3 << "]"
<< "{"
<< "}" << 2.2 << 1 << 0 << "{"
<< "}"
<< "[" << -1 << "]" << -2.2 << -3.3 << -4.4 << -5.5 << "]"
<< "}"
<< "]"
<< "}";
jb << "mu" << true;
jb << "nu" << false;
jb << "xi" << 42;
jb << "omicron"
<< "["
<< "]";
jb << "pi" << 3.141592;
jb << "rho"
<< "["
<< "{"
<< "sigma"
<< "["
<< "{"
<< "tau"
<< "["
<< "{"
<< "upsilon"
<< "["
<< "["
<< "["
<< "]"
<< "]"
<< "]"
<< "}"
<< "]"
<< "}"
<< "]"
<< "}"
<< "]";
jb << "}";
JSONNode json_node = *jb.getBuiltNode();
SECTION("JSONBuilder builds as expected")
{
string raw_json =
"{"
"\"alpha\": [1, true, 3.14, {\"beta\" : 4, \"gamma\" : 5}, {\"delta\" : 6}, [{\"epsilon\": [7], "
"\"zeta\": "
"false}]],"
"\"eta\": \"theta\","
"\"iota\": {\"kappa\": [{\"lambda\": [5.5, [4.4, 3.3], {}, 2.2, 1, 0, {}, [-1], -2.2, -3.3, -4.4, "
"-5.5]}]},"
"\"mu\" : true,"
"\"nu\" : false,"
"\"xi\": 42,"
"\"omicron\": [],"
"\"pi\": 3.141592,"
"\"rho\": [{\"sigma\": [{ \"tau\": [{\"upsilon\": [[[]]]}]}]}]"
"}";
JSONNode node_from_string{raw_json};
INFO("json_node=" << json_node.toString(false));
INFO("node_from_string=" << node_from_string.toString(false));
CHECK(json_node.toString(false) == node_from_string.toString(false));
}
SECTION("Complex JSON is preserved through save and load")
{
JSONNode loaded{jb.getBuiltNode()->toString(false)};
INFO("json_node=" << json_node.toString(false));
INFO("loaded=" << loaded.toString(false));
CHECK(json_node.toString(false) == loaded.toString(false));
}
SECTION("Read methods work")
{
CHECK(json_node["eta"].asString() == "theta");
CHECK(json_node["eta"].asDouble(3.14) == 3.14);
CHECK(json_node["mu"].asBool(false) == true);
CHECK(json_node["alpha"][0].canBool());
CHECK(json_node["alpha"][0].asBool(false) == true);
CHECK(json_node["alpha"][4]["delta"].asInt(-1) == 6);
CHECK(json_node["alpha"][4]["delta"].asDouble(-1) == 6.0);
CHECK(json_node["rho"][0]["sigma"][0]["tau"][0]["upsilon"].asArray().size() == 1);
CHECK(json_node["alpha"][3].asObject()["gamma"].asInt() == 5);
CHECK(json_node["iota"].hasKey("kappa"));
}
SECTION("Can make a double")
{
JSONNode stringToDouble("0.5");
constexpr float e = std::numeric_limits<float>::epsilon();
CHECK(stringToDouble.isDouble());
CHECK(stringToDouble.asDouble() == Catch::Approx(0.5).margin(e));
}
}
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