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