b5334d14f7
Happy new year to the wonderful Godot community!
2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.
We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)
Here's to a great year 2021 for all Godot users 🎆
167 lines
6.4 KiB
C++
167 lines
6.4 KiB
C++
/*************************************************************************/
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/* test_json.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef TEST_JSON_H
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#define TEST_JSON_H
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#include "core/io/json.h"
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#include "thirdparty/doctest/doctest.h"
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namespace TestJSON {
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// NOTE: The current JSON parser accepts many non-conformant strings such as
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// single-quoted strings, duplicate commas and trailing commas.
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// This is intentionally not tested as users shouldn't rely on this behavior.
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TEST_CASE("[JSON] Parsing single data types") {
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// Parsing a single data type as JSON is valid per the JSON specification.
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JSON json;
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Variant result;
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String err_str;
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int err_line;
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json.parse("null", result, err_str, err_line);
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CHECK_MESSAGE(
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err_line == 0,
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"Parsing `null` as JSON should parse successfully.");
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CHECK_MESSAGE(
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result == Variant(),
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"Parsing a double quoted string as JSON should return the expected value.");
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json.parse("true", result, err_str, err_line);
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CHECK_MESSAGE(
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err_line == 0,
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"Parsing boolean `true` as JSON should parse successfully.");
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CHECK_MESSAGE(
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result,
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"Parsing boolean `true` as JSON should return the expected value.");
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json.parse("false", result, err_str, err_line);
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CHECK_MESSAGE(
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err_line == 0,
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"Parsing boolean `false` as JSON should parse successfully.");
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CHECK_MESSAGE(
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!result,
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"Parsing boolean `false` as JSON should return the expected value.");
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// JSON only has a floating-point number type, no integer type.
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// This is why we use `is_equal_approx()` for the comparison.
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json.parse("123456", result, err_str, err_line);
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CHECK_MESSAGE(
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err_line == 0,
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"Parsing an integer number as JSON should parse successfully.");
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CHECK_MESSAGE(
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Math::is_equal_approx(result, 123'456),
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"Parsing an integer number as JSON should return the expected value.");
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json.parse("0.123456", result, err_str, err_line);
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CHECK_MESSAGE(
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err_line == 0,
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"Parsing a floating-point number as JSON should parse successfully.");
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CHECK_MESSAGE(
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Math::is_equal_approx(result, 0.123456),
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"Parsing a floating-point number as JSON should return the expected value.");
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json.parse("\"hello\"", result, err_str, err_line);
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CHECK_MESSAGE(
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err_line == 0,
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"Parsing a double quoted string as JSON should parse successfully.");
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CHECK_MESSAGE(
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result == "hello",
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"Parsing a double quoted string as JSON should return the expected value.");
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}
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TEST_CASE("[JSON] Parsing arrays") {
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JSON json;
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Variant result;
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String err_str;
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int err_line;
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// JSON parsing fails if it's split over several lines (even if leading indentation is removed).
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json.parse(
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R"(["Hello", "world.", "This is",["a","json","array.",[]], "Empty arrays ahoy:", [[["Gotcha!"]]]])",
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result, err_str, err_line);
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const Array array = result;
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CHECK_MESSAGE(
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err_line == 0,
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"Parsing a JSON array should parse successfully.");
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CHECK_MESSAGE(
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array[0] == "Hello",
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"The parsed JSON should contain the expected values.");
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const Array sub_array = array[3];
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CHECK_MESSAGE(
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sub_array.size() == 4,
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"The parsed JSON should contain the expected values.");
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CHECK_MESSAGE(
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sub_array[1] == "json",
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"The parsed JSON should contain the expected values.");
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CHECK_MESSAGE(
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sub_array[3].hash() == Array().hash(),
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"The parsed JSON should contain the expected values.");
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const Array deep_array = Array(Array(array[5])[0])[0];
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CHECK_MESSAGE(
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deep_array[0] == "Gotcha!",
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"The parsed JSON should contain the expected values.");
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}
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TEST_CASE("[JSON] Parsing objects (dictionaries)") {
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JSON json;
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Variant result;
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String err_str;
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int err_line;
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json.parse(
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R"({"name": "Godot Engine", "is_free": true, "bugs": null, "apples": {"red": 500, "green": 0, "blue": -20}, "empty_object": {}})",
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result, err_str, err_line);
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const Dictionary dictionary = result;
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CHECK_MESSAGE(
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dictionary["name"] == "Godot Engine",
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"The parsed JSON should contain the expected values.");
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CHECK_MESSAGE(
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dictionary["is_free"],
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"The parsed JSON should contain the expected values.");
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CHECK_MESSAGE(
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dictionary["bugs"] == Variant(),
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"The parsed JSON should contain the expected values.");
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CHECK_MESSAGE(
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Math::is_equal_approx(Dictionary(dictionary["apples"])["blue"], -20),
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"The parsed JSON should contain the expected values.");
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CHECK_MESSAGE(
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dictionary["empty_object"].hash() == Dictionary().hash(),
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"The parsed JSON should contain the expected values.");
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}
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} // namespace TestJSON
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#endif // TEST_JSON_H
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