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112 lines
4.6 KiB
C++
112 lines
4.6 KiB
C++
/*************************************************************************/
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/* test_variant.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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 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_VARIANT_H
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#define TEST_VARIANT_H
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#include "core/variant.h"
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#include "core/variant_parser.h"
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#include "thirdparty/doctest/doctest.h"
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namespace TestVariant {
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TEST_CASE("[Variant] Writer and parser integer") {
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int64_t a32 = 2147483648; // 2^31, so out of bounds for 32-bit signed int [-2^31,-2^31-1].
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String a32_str;
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VariantWriter::write_to_string(a32, a32_str);
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CHECK_MESSAGE(a32_str != "-2147483648", "Should not wrap around");
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int64_t b64 = 9223372036854775807; // 2^63-1, upper bound for signed 64-bit int.
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String b64_str;
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VariantWriter::write_to_string(b64, b64_str);
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CHECK_MESSAGE(b64_str == "9223372036854775807", "Should not wrap around.");
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VariantParser::StreamString ss;
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String errs;
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int line;
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Variant b64_parsed;
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int64_t b64_int_parsed;
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ss.s = b64_str;
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VariantParser::parse(&ss, b64_parsed, errs, line);
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b64_int_parsed = b64_parsed;
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CHECK_MESSAGE(b64_int_parsed == 9223372036854775807, "Should parse back.");
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ss.s = "9223372036854775808"; // Overflowed by one.
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VariantParser::parse(&ss, b64_parsed, errs, line);
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b64_int_parsed = b64_parsed;
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CHECK_MESSAGE(b64_int_parsed == 9223372036854775807, "The result should be clamped to max value.");
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ss.s = "1e100"; // Googol! Scientific notation.
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VariantParser::parse(&ss, b64_parsed, errs, line);
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b64_int_parsed = b64_parsed;
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CHECK_MESSAGE(b64_int_parsed == 9223372036854775807, "The result should be clamped to max value.");
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}
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TEST_CASE("[Variant] Writer and parser float") {
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// Assuming real_t is double.
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real_t a64 = 340282346638528859811704183484516925440.0; // std::numeric_limits<real_t>::max()
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String a64_str;
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VariantWriter::write_to_string(a64, a64_str);
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CHECK_MESSAGE(a64_str == "3.40282e+38", "Writes in scientific notation.");
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CHECK_MESSAGE(a64_str != "inf", "Should not overflow.");
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CHECK_MESSAGE(a64_str != "nan", "The result should be defined.");
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VariantParser::StreamString ss;
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String errs;
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int line;
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Variant b64_parsed;
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real_t b64_float_parsed;
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ss.s = a64_str;
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VariantParser::parse(&ss, b64_parsed, errs, line);
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b64_float_parsed = b64_parsed;
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CHECK_MESSAGE(b64_float_parsed == 340282001837565597733306976381245063168.0, "Should parse back.");
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// Loses precision, but that's alright.
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ss.s = "1.0e+100"; // Float version of Googol!
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VariantParser::parse(&ss, b64_parsed, errs, line);
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b64_float_parsed = b64_parsed;
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CHECK_MESSAGE(b64_float_parsed == 340282001837565597733306976381245063168.0, "Should not overflow.");
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}
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} // namespace TestVariant
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#endif // TEST_VARIANT_H
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