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/*************************************************************************/
/* test_json.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef TEST_JSON_H
#define TEST_JSON_H
#include "core/io/json.h"
#include "thirdparty/doctest/doctest.h"
namespace TestJSON {
// NOTE: The current JSON parser accepts many non-conformant strings such as
// single-quoted strings, duplicate commas and trailing commas.
// This is intentionally not tested as users shouldn't rely on this behavior.
TEST_CASE("[JSON] Parsing single data types") {
// Parsing a single data type as JSON is valid per the JSON specification.
JSON json;
json.parse("null");
CHECK_MESSAGE(
json.get_error_line() == 0,
"Parsing `null` as JSON should parse successfully.");
CHECK_MESSAGE(
json.get_data() == Variant(),
"Parsing a double quoted string as JSON should return the expected value.");
json.parse("true");
CHECK_MESSAGE(
json.get_error_line() == 0,
"Parsing boolean `true` as JSON should parse successfully.");
CHECK_MESSAGE(
json.get_data(),
"Parsing boolean `true` as JSON should return the expected value.");
json.parse("false");
CHECK_MESSAGE(
json.get_error_line() == 0,
"Parsing boolean `false` as JSON should parse successfully.");
CHECK_MESSAGE(
!json.get_data(),
"Parsing boolean `false` as JSON should return the expected value.");
json.parse("123456");
CHECK_MESSAGE(
json.get_error_line() == 0,
"Parsing an integer number as JSON should parse successfully.");
CHECK_MESSAGE(
(int)(json.get_data()) == 123456,
"Parsing an integer number as JSON should return the expected value.");
json.parse("0.123456");
CHECK_MESSAGE(
json.get_error_line() == 0,
"Parsing a floating-point number as JSON should parse successfully.");
CHECK_MESSAGE(
Math::is_equal_approx(double(json.get_data()), 0.123456),
"Parsing a floating-point number as JSON should return the expected value.");
json.parse("\"hello\"");
CHECK_MESSAGE(
json.get_error_line() == 0,
"Parsing a double quoted string as JSON should parse successfully.");
CHECK_MESSAGE(
json.get_data() == "hello",
"Parsing a double quoted string as JSON should return the expected value.");
}
TEST_CASE("[JSON] Parsing arrays") {
JSON json;
// JSON parsing fails if it's split over several lines (even if leading indentation is removed).
json.parse(R"(["Hello", "world.", "This is",["a","json","array.",[]], "Empty arrays ahoy:", [[["Gotcha!"]]]])");
const Array array = json.get_data();
CHECK_MESSAGE(
json.get_error_line() == 0,
"Parsing a JSON array should parse successfully.");
CHECK_MESSAGE(
array[0] == "Hello",
"The parsed JSON should contain the expected values.");
const Array sub_array = array[3];
CHECK_MESSAGE(
sub_array.size() == 4,
"The parsed JSON should contain the expected values.");
CHECK_MESSAGE(
sub_array[1] == "json",
"The parsed JSON should contain the expected values.");
CHECK_MESSAGE(
sub_array[3].hash() == Array().hash(),
"The parsed JSON should contain the expected values.");
const Array deep_array = Array(Array(array[5])[0])[0];
CHECK_MESSAGE(
deep_array[0] == "Gotcha!",
"The parsed JSON should contain the expected values.");
}
TEST_CASE("[JSON] Parsing objects (dictionaries)") {
JSON json;
json.parse(R"({"name": "Godot Engine", "is_free": true, "bugs": null, "apples": {"red": 500, "green": 0, "blue": -20}, "empty_object": {}})");
const Dictionary dictionary = json.get_data();
CHECK_MESSAGE(
dictionary["name"] == "Godot Engine",
"The parsed JSON should contain the expected values.");
CHECK_MESSAGE(
dictionary["is_free"],
"The parsed JSON should contain the expected values.");
CHECK_MESSAGE(
dictionary["bugs"] == Variant(),
"The parsed JSON should contain the expected values.");
CHECK_MESSAGE(
(int)Dictionary(dictionary["apples"])["blue"] == -20,
"The parsed JSON should contain the expected values.");
CHECK_MESSAGE(
dictionary["empty_object"].hash() == Dictionary().hash(),
"The parsed JSON should contain the expected values.");
}
} // namespace TestJSON
#endif // TEST_JSON_H
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