mirror of
https://github.com/Relintai/pandemonium_engine.git
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121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
/*************************************************************************/
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/* test_bit_array.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_BIT_ARRAY_H
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#define TEST_BIT_ARRAY_H
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#include "modules/network_synchronizer/bit_array.h"
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#include "tests/test_macros.h"
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namespace TestBitArray {
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TEST_CASE("[Modules][BitArray] Read and write") {
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BitArray array;
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int offset = 0;
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int bits = {};
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uint64_t value = {};
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SUBCASE("[Modules][BitArray] One bit") {
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bits = 1;
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SUBCASE("[Modules][BitArray] One") {
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value = 0b1;
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}
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SUBCASE("[Modules][BitArray] Zero") {
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value = 0b0;
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}
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}
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SUBCASE("[Modules][BitArray] 16 mixed bits") {
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bits = 16;
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value = 0b1010101010101010;
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}
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SUBCASE("[Modules][BitArray] One and 4 zeroes") {
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bits = 5;
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value = 0b10000;
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}
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SUBCASE("[Modules][BitArray] 64 bits") {
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bits = 64;
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SUBCASE("[Modules][BitArray] One") {
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value = UINT64_MAX;
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}
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SUBCASE("[Modules][BitArray] Zero") {
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value = 0;
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}
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}
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SUBCASE("[Modules][BitArray] One bit with offset") {
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bits = 1;
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offset = 64;
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array.resize_in_bits(offset);
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SUBCASE("[Modules][BitArray] One") {
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array.store_bits(0, UINT64_MAX, 64);
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value = 0b0;
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}
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SUBCASE("[Modules][BitArray] Zero") {
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array.store_bits(0, 0, 64);
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value = 0b1;
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}
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}
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array.resize_in_bits(offset + bits);
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array.store_bits(offset, value, bits);
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CHECK_MESSAGE(array.read_bits(offset, bits) == value, "Should read the same value");
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}
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TEST_CASE("[Modules][BitArray] Constructing from Vector") {
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Vector<uint8_t> data;
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data.push_back(-1);
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data.push_back(0);
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data.push_back(1);
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const BitArray array(data);
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CHECK_MESSAGE(array.size_in_bits() == data.size() * 8.0, "Number of bits must be equal to size of original data");
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CHECK_MESSAGE(array.size_in_bytes() == data.size(), "Number of bytes must be equal to size of original data");
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for (int i = 0; i < data.size(); ++i) {
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CHECK_MESSAGE(array.read_bits(i * 8, 8) == data[i], "Readed bits should be equal to the original");
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}
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}
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TEST_CASE("[Modules][BitArray] Pre-allocation and zeroing") {
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constexpr uint64_t value = UINT64_MAX;
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constexpr int bits = sizeof(value);
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BitArray array(bits);
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CHECK_MESSAGE(array.size_in_bits() == bits, "Number of bits must be equal to allocated");
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array.store_bits(0, value, bits);
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array.zero();
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CHECK_MESSAGE(array.read_bits(0, bits) == 0, "Should read zero");
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}
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} // namespace TestBitArray
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#endif // TEST_BIT_ARRAY_H
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