mirror of
https://github.com/Relintai/pandemonium_engine.git
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551 lines
20 KiB
C++
551 lines
20 KiB
C++
/*************************************************************************/
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/* test_data_buffer.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_DATA_BUFFER_H
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#define TEST_DATA_BUFFER_H
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#include "modules/network_synchronizer/data_buffer.h"
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#include "modules/network_synchronizer/scene_synchronizer.h"
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#include "tests/test_macros.h"
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namespace TestDataBuffer {
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inline Vector<double> real_values(DataBuffer::CompressionLevel p_compression_level) {
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Vector<double> values;
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values.append(Math_PI);
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values.append(0.0);
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values.append(-3.04);
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values.append(3.04);
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values.append(0.5);
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values.append(-0.5);
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values.append(1);
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values.append(-1);
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values.append(0.9);
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values.append(-0.9);
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values.append(3.9);
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values.append(-3.9);
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values.append(8);
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switch (p_compression_level) {
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case DataBuffer::COMPRESSION_LEVEL_3: {
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values.append(-15'360);
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values.append(15'360);
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} break;
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case DataBuffer::COMPRESSION_LEVEL_2: {
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// https://en.wikipedia.org/wiki/Half-precision_floating-point_format#Half_precision_examples
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values.append(-65'504);
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values.append(65'504);
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values.append(Math::pow(2.0, -14) / 1024);
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values.append(Math::pow(2.0, -14) * 1023 / 1024);
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values.append(Math::pow(2.0, -1) * (1 + 1023.0 / 1024));
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values.append((1 + 1.0 / 1024));
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} break;
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case DataBuffer::COMPRESSION_LEVEL_1: {
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// https://en.wikipedia.org/wiki/Single-precision_floating-point_format#Single-precision_examples
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values.append(FLT_MIN);
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values.append(-FLT_MAX);
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values.append(FLT_MAX);
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values.append(Math::pow(2.0, -149));
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values.append(Math::pow(2.0, -126) * (1 - Math::pow(2.0, -23)));
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values.append(1 - Math::pow(2.0, -24));
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values.append(1 + Math::pow(2.0, -23));
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} break;
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case DataBuffer::COMPRESSION_LEVEL_0: {
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// https://en.wikipedia.org/wiki/Double-precision_floating-point_format#Double-precision_examples
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values.append(DBL_MIN);
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values.append(DBL_MAX);
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values.append(-DBL_MAX);
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values.append(1.0000000000000002);
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values.append(4.9406564584124654 * Math::pow(10.0, -324));
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values.append(2.2250738585072009 * Math::pow(10.0, -308));
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} break;
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}
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return values;
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}
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TEST_CASE("[Modules][DataBuffer] Bool") {
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bool value = {};
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SUBCASE("[Modules][DataBuffer] false") {
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value = false;
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}
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SUBCASE("[Modules][DataBuffer] true") {
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value = true;
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}
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DataBuffer buffer;
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buffer.begin_write(0);
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CHECK_MESSAGE(buffer.add_bool(value) == value, "Should return the same value");
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buffer.begin_read();
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CHECK_MESSAGE(buffer.read_bool() == value, "Should read the same value");
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}
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TEST_CASE("[Modules][DataBuffer] Int") {
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DataBuffer::CompressionLevel compression_level = {};
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int64_t value = {};
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DataBuffer buffer;
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SUBCASE("[Modules][DataBuffer] Compression level 3") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_3;
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SUBCASE("[Modules][DataBuffer] Positive") {
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value = 127;
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}
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SUBCASE("[Modules][DataBuffer] Zero") {
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value = 0;
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}
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SUBCASE("[Modules][DataBuffer] Negative") {
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value = -128;
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}
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}
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SUBCASE("[Modules][DataBuffer] Compression level 2") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_2;
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SUBCASE("[Modules][DataBuffer] Positive") {
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value = 32767;
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}
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SUBCASE("[Modules][DataBuffer] Zero") {
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value = 0;
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}
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SUBCASE("[Modules][DataBuffer] Negative") {
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value = -32768;
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}
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}
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SUBCASE("[Modules][DataBuffer] Compression level 1") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_1;
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SUBCASE("[Modules][DataBuffer] Positive") {
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value = 2147483647;
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}
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SUBCASE("[Modules][DataBuffer] Zero") {
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value = 0;
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}
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SUBCASE("[Modules][DataBuffer] Negative") {
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value = -2147483648LL;
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}
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}
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SUBCASE("[Modules][DataBuffer] Compression level 0") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_0;
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SUBCASE("[Modules][DataBuffer] Positive") {
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value = 2147483647;
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}
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SUBCASE("[Modules][DataBuffer] Zero") {
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value = 0;
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}
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SUBCASE("[Modules][DataBuffer] Negative") {
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value = -9223372036854775807LL;
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}
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}
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buffer.begin_write(0);
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CHECK_MESSAGE(buffer.add_int(value, compression_level) == value, "Should return the same value");
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buffer.begin_read();
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CHECK_MESSAGE(buffer.read_int(compression_level) == value, "Should read the same value");
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}
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TEST_CASE("[Modules][DataBuffer] Real") {
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DataBuffer::CompressionLevel compression_level = {};
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SUBCASE("[Modules][DataBuffer] Compression level 3 (Minifloat)") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_3;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 2 (Half perception)") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_2;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 1 (Single perception)") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_1;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 0 (Double perception)") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_0;
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}
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DataBuffer buffer;
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const Vector<double> values = real_values(compression_level);
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const double epsilon = Math::pow(2.0, DataBuffer::get_mantissa_bits(compression_level) - 1);
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for (int i = 0; i < values.size(); ++i) {
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buffer.begin_write(0);
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const double value = values[i];
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CHECK_MESSAGE(buffer.add_real(value, compression_level) == doctest::Approx(value).epsilon(epsilon), "Should return the same value");
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buffer.begin_read();
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CHECK_MESSAGE(buffer.read_real(compression_level) == doctest::Approx(value).epsilon(epsilon), "Should read the same value");
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}
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}
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TEST_CASE("[Modules][DataBuffer] Positive unit real") {
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DataBuffer::CompressionLevel compression_level = {};
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double epsilon = {};
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SUBCASE("[Modules][DataBuffer] Compression level 3") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_3;
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epsilon = 0.033335;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 2") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_2;
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epsilon = 0.007935;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 1") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_1;
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epsilon = 0.00196;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 0") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_0;
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epsilon = 0.00049;
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}
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DataBuffer buffer;
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const Vector<double> values = real_values(compression_level);
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for (int i = 0; i < values.size(); ++i) {
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const double value = values[i];
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if (value < 0) {
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// Skip negative values
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continue;
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}
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double value_integral;
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const double value_unit = modf(values[i], &value_integral);
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buffer.begin_write(0);
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CHECK_MESSAGE(buffer.add_positive_unit_real(value_unit, compression_level) == doctest::Approx(value_unit).epsilon(epsilon), "Should return the same value");
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buffer.begin_read();
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CHECK_MESSAGE(buffer.read_positive_unit_real(compression_level) == doctest::Approx(value_unit).epsilon(epsilon), "Should read the same value");
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}
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}
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TEST_CASE("[Modules][DataBuffer] Unit real") {
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DataBuffer::CompressionLevel compression_level = {};
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double epsilon = {};
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SUBCASE("[Modules][DataBuffer] Compression level 3") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_3;
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epsilon = 0.033335;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 2") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_2;
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epsilon = 0.007935;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 1") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_1;
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epsilon = 0.00196;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 0") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_0;
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epsilon = 0.00049;
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}
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DataBuffer buffer;
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const Vector<double> values = real_values(compression_level);
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for (int i = 0; i < values.size(); ++i) {
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double value_integral;
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const double value_unit = modf(values[i], &value_integral);
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buffer.begin_write(0);
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CHECK_MESSAGE(buffer.add_unit_real(value_unit, compression_level) == doctest::Approx(value_unit).epsilon(epsilon), "Should return the same value");
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buffer.begin_read();
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CHECK_MESSAGE(buffer.read_unit_real(compression_level) == doctest::Approx(value_unit).epsilon(epsilon), "Should read the same value");
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}
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}
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TEST_CASE("[Modules][DataBuffer] Vector2") {
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DataBuffer::CompressionLevel compression_level = {};
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SUBCASE("[Modules][DataBuffer] Compression level 3") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_3;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 2") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_2;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 1") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_1;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 0") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_0;
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}
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DataBuffer buffer;
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const double epsilon = Math::pow(2.0, DataBuffer::get_mantissa_bits(compression_level) - 1);
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const Vector<double> values = real_values(compression_level);
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for (int i = 0; i < values.size(); ++i) {
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#ifdef REAL_T_IS_DOUBLE
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const Vector2 value = Vector2(values[i], values[i]);
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#else
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const real_t clamped_value = CLAMP(values[i], -FLT_MIN, FLT_MAX);
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const Vector2 value = Vector2(clamped_value, clamped_value);
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#endif
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buffer.begin_write(0);
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const Vector2 added_value = buffer.add_vector2(value, compression_level);
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CHECK_MESSAGE(added_value.x == doctest::Approx(value.x).epsilon(epsilon), "Added Vector2 should have the same x axis");
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CHECK_MESSAGE(added_value.y == doctest::Approx(value.y).epsilon(epsilon), "Added Vector2 should have the same y axis");
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buffer.begin_read();
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const Vector2 read_value = buffer.read_vector2(compression_level);
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CHECK_MESSAGE(read_value.x == doctest::Approx(value.x).epsilon(epsilon), "Read Vector2 should have the same x axis");
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CHECK_MESSAGE(read_value.y == doctest::Approx(value.y).epsilon(epsilon), "Read Vector2 should have the same y axis");
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}
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}
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TEST_CASE("[Modules][DataBuffer] Vector3") {
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DataBuffer::CompressionLevel compression_level = {};
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SUBCASE("[Modules][DataBuffer] Compression level 3") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_3;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 2") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_2;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 1") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_1;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 0") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_0;
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}
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DataBuffer buffer;
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const Vector<double> values = real_values(compression_level);
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const double epsilon = Math::pow(2.0, DataBuffer::get_mantissa_bits(compression_level) - 1);
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for (int i = 0; i < values.size(); ++i) {
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#ifdef REAL_T_IS_DOUBLE
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const Vector3 value = Vector3(values[i], values[i], values[i]);
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#else
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const real_t clamped_value = CLAMP(values[i], -FLT_MIN, FLT_MAX);
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const Vector3 value = Vector3(clamped_value, clamped_value, clamped_value);
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#endif
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buffer.begin_write(0);
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const Vector3 added_value = buffer.add_vector3(value, compression_level);
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CHECK_MESSAGE(added_value.x == doctest::Approx(value.x).epsilon(epsilon), "Added Vector3 should have the same x axis");
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CHECK_MESSAGE(added_value.y == doctest::Approx(value.y).epsilon(epsilon), "Added Vector3 should have the same y axis");
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CHECK_MESSAGE(added_value.z == doctest::Approx(value.z).epsilon(epsilon), "Added Vector3 should have the same z axis");
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buffer.begin_read();
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const Vector3 read_value = buffer.read_vector3(compression_level);
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CHECK_MESSAGE(read_value.x == doctest::Approx(value.x).epsilon(epsilon), "Read Vector3 should have the same x axis");
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CHECK_MESSAGE(read_value.y == doctest::Approx(value.y).epsilon(epsilon), "Read Vector3 should have the same y axis");
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CHECK_MESSAGE(read_value.z == doctest::Approx(value.z).epsilon(epsilon), "Read Vector3 should have the same z axis");
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}
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}
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TEST_CASE("[Modules][DataBuffer] Normalized Vector3") {
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DataBuffer::CompressionLevel compression_level = {};
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double epsilon = {};
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SUBCASE("[Modules][DataBuffer] Compression level 3") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_3;
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epsilon = 0.033335;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 2") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_2;
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epsilon = 0.007935;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 1") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_1;
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epsilon = 0.00196;
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}
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SUBCASE("[Modules][DataBuffer] Compression level 0") {
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compression_level = DataBuffer::COMPRESSION_LEVEL_0;
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epsilon = 0.00049;
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}
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DataBuffer buffer;
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const Vector<double> values = real_values(compression_level);
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for (int i = 0; i < values.size(); ++i) {
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Vector3 value = Vector3(values[i], values[i], values[i]).normalized();
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if (!value.is_normalized()) {
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// Normalization fails for some numbers, probably a bug!
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continue;
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}
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buffer.begin_write(0);
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const Vector3 added_value = buffer.add_normalized_vector3(value, compression_level);
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CHECK_MESSAGE(added_value.x == doctest::Approx(value.x).epsilon(epsilon), "Added Vector3 should have the same x axis");
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CHECK_MESSAGE(added_value.y == doctest::Approx(value.y).epsilon(epsilon), "Added Vector3 should have the same y axis");
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CHECK_MESSAGE(added_value.z == doctest::Approx(value.z).epsilon(epsilon), "Added Vector3 should have the same z axis");
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buffer.begin_read();
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const Vector3 read_value = buffer.read_normalized_vector3(compression_level);
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CHECK_MESSAGE(read_value.x == doctest::Approx(value.x).epsilon(epsilon), "Read Vector3 should have the same x axis");
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CHECK_MESSAGE(read_value.y == doctest::Approx(value.y).epsilon(epsilon), "Read Vector3 should have the same y axis");
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CHECK_MESSAGE(read_value.z == doctest::Approx(value.z).epsilon(epsilon), "Read Vector3 should have the same z axis");
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}
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}
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TEST_CASE("[Modules][DataBuffer] Variant") {
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Variant value = {};
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SUBCASE("[Modules][DataBuffer] Invalid value") {
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value = {};
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}
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SUBCASE("[Modules][DataBuffer] String") {
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value = "VariantString";
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}
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SUBCASE("[Modules][DataBuffer] Vector") {
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value = sarray("VariantString1", "VariantString2", "VariantString3");
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}
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SUBCASE("[Modules][DataBuffer] Dictionary") {
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Dictionary dictionary;
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dictionary[1] = "Value";
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dictionary["Key"] = -1;
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value = dictionary;
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}
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SUBCASE("[Modules][DataBuffer] Array") {
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Array array;
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array.append("VariantString");
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array.append(0);
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array.append(-1.2);
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value = array;
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}
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DataBuffer buffer;
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buffer.begin_write(0);
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CHECK_MESSAGE(SceneSynchronizer::compare(buffer.add_variant(value), value, DBL_EPSILON), "Should return the same value");
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buffer.begin_read();
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CHECK_MESSAGE(SceneSynchronizer::compare(buffer.read_variant(), value, DBL_EPSILON), "Should read the same value");
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}
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TEST_CASE("[Modules][DataBuffer] Seek") {
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DataBuffer buffer;
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buffer.begin_write(0);
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buffer.add_bool(true);
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buffer.add_bool(false);
|
|
buffer.begin_read();
|
|
|
|
ERR_PRINT_OFF
|
|
buffer.seek(-1);
|
|
CHECK_MESSAGE(buffer.get_bit_offset() == 0, "Bit offset should fail for negative values");
|
|
ERR_PRINT_ON
|
|
|
|
buffer.seek(1);
|
|
CHECK_MESSAGE(buffer.get_bit_offset() == 1, "Bit offset should be 1 after seek to 1");
|
|
CHECK_MESSAGE(buffer.read_bool() == false, "Should read false at position 1");
|
|
|
|
buffer.seek(0);
|
|
CHECK_MESSAGE(buffer.get_bit_offset() == 0, "Bit offset should be 0 after seek to 0");
|
|
CHECK_MESSAGE(buffer.read_bool() == true, "Should read true at position 0");
|
|
}
|
|
|
|
TEST_CASE("[Modules][DataBuffer] Metadata") {
|
|
bool value = {};
|
|
bool metadata = {};
|
|
|
|
SUBCASE("[Modules][DataBuffer] True") {
|
|
metadata = true;
|
|
value = false;
|
|
}
|
|
|
|
SUBCASE("[Modules][DataBuffer] False") {
|
|
metadata = false;
|
|
value = true;
|
|
}
|
|
|
|
const int metadata_size = DataBuffer::get_bit_taken(DataBuffer::DATA_TYPE_BOOL, DataBuffer::COMPRESSION_LEVEL_0);
|
|
DataBuffer buffer;
|
|
buffer.begin_write(metadata_size);
|
|
buffer.add_bool(metadata);
|
|
buffer.add_bool(value);
|
|
buffer.begin_read();
|
|
CHECK_MESSAGE(buffer.read_bool() == metadata, "Should return correct metadata");
|
|
CHECK_MESSAGE(buffer.read_bool() == value, "Should return correct value after metadata");
|
|
CHECK_MESSAGE(buffer.get_metadata_size() == metadata_size, "Metadata size should be equal to expected");
|
|
CHECK_MESSAGE(buffer.size() == DataBuffer::get_bit_taken(DataBuffer::DATA_TYPE_BOOL, DataBuffer::COMPRESSION_LEVEL_0), "Size should be equal to expected");
|
|
CHECK_MESSAGE(buffer.total_size() == DataBuffer::get_bit_taken(DataBuffer::DATA_TYPE_BOOL, DataBuffer::COMPRESSION_LEVEL_0) + metadata_size, "Total size should be equal to expected");
|
|
}
|
|
|
|
TEST_CASE("[Modules][DataBuffer] Zero") {
|
|
constexpr DataBuffer::CompressionLevel compression = DataBuffer::COMPRESSION_LEVEL_0;
|
|
DataBuffer buffer;
|
|
buffer.begin_write(0);
|
|
buffer.add_int(-1, compression);
|
|
buffer.zero();
|
|
buffer.begin_read();
|
|
CHECK_MESSAGE(buffer.read_int(compression) == 0, "Should return 0");
|
|
}
|
|
|
|
TEST_CASE("[Modules][DataBuffer] Shrinking") {
|
|
DataBuffer buffer;
|
|
buffer.begin_write(0);
|
|
for (int i = 0; i < 2; ++i) {
|
|
buffer.add_real(3.14, DataBuffer::COMPRESSION_LEVEL_0);
|
|
}
|
|
const int original_size = buffer.total_size();
|
|
|
|
ERR_PRINT_OFF;
|
|
buffer.shrink_to(0, original_size + 1);
|
|
ERR_PRINT_ON;
|
|
CHECK_MESSAGE(buffer.total_size() == original_size, "Shrinking to a larger size should fail.");
|
|
|
|
ERR_PRINT_OFF;
|
|
buffer.shrink_to(0, -1);
|
|
ERR_PRINT_ON;
|
|
CHECK_MESSAGE(buffer.total_size() == original_size, "Shrinking with a negative bits size should fail.");
|
|
|
|
buffer.shrink_to(0, original_size - 8);
|
|
CHECK_MESSAGE(buffer.total_size() == original_size - 8, "Shrinking by 1 byte should succeed.");
|
|
CHECK_MESSAGE(buffer.get_buffer().size_in_bits() == original_size, "Buffer size after shrinking by 1 byte should be the same.");
|
|
|
|
buffer.dry();
|
|
CHECK_MESSAGE(buffer.get_buffer().size_in_bits() == original_size - 8, "Buffer size after dry should changed to the smallest posiible.");
|
|
}
|
|
|
|
TEST_CASE("[Modules][DataBuffer] Skip") {
|
|
const bool value = true;
|
|
|
|
DataBuffer buffer;
|
|
buffer.add_bool(!value);
|
|
buffer.add_bool(value);
|
|
|
|
buffer.begin_read();
|
|
buffer.seek(DataBuffer::get_bit_taken(DataBuffer::DATA_TYPE_BOOL, DataBuffer::COMPRESSION_LEVEL_0));
|
|
CHECK_MESSAGE(buffer.read_bool() == value, "Should read the same value");
|
|
}
|
|
} // namespace TestDataBuffer
|
|
|
|
#endif // TEST_DATA_BUFFER_H
|