diff --git a/core/templates/local_vector.h b/core/templates/local_vector.h index 4ffb93b2ad4..ffd17b7ee9b 100644 --- a/core/templates/local_vector.h +++ b/core/templates/local_vector.h @@ -82,6 +82,19 @@ public: } } + /// Removes the item copying the last value into the position of the one to + /// remove. It's generally faster than `remove`. + void remove_unordered(U p_index) { + ERR_FAIL_INDEX(p_index, count); + count--; + if (count > p_index) { + data[p_index] = data[count]; + } + if (!__has_trivial_destructor(T) && !force_trivial) { + data[count].~T(); + } + } + void erase(const T &p_val) { int64_t idx = find(p_val); if (idx >= 0) { @@ -105,6 +118,7 @@ public: } } _FORCE_INLINE_ bool is_empty() const { return count == 0; } + _FORCE_INLINE_ U get_capacity() const { return capacity; } _FORCE_INLINE_ void reserve(U p_size) { p_size = nearest_power_of_2_templated(p_size); if (p_size > capacity) { diff --git a/tests/test_local_vector.h b/tests/test_local_vector.h new file mode 100644 index 00000000000..eff2a16abc1 --- /dev/null +++ b/tests/test_local_vector.h @@ -0,0 +1,229 @@ +/*************************************************************************/ +/* test_local_vector.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 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_LOCAL_VECTOR_H +#define TEST_LOCAL_VECTOR_H + +#include "core/templates/local_vector.h" + +#include "tests/test_macros.h" + +namespace TestLocalVector { + +TEST_CASE("[LocalVector] Push Back.") { + LocalVector vector; + vector.push_back(0); + vector.push_back(1); + vector.push_back(2); + vector.push_back(3); + vector.push_back(4); + + CHECK(vector[0] == 0); + CHECK(vector[1] == 1); + CHECK(vector[2] == 2); + CHECK(vector[3] == 3); + CHECK(vector[4] == 4); +} + +TEST_CASE("[LocalVector] Find.") { + LocalVector vector; + vector.push_back(3); + vector.push_back(1); + vector.push_back(4); + vector.push_back(0); + vector.push_back(2); + + CHECK(vector[0] == 3); + CHECK(vector[1] == 1); + CHECK(vector[2] == 4); + CHECK(vector[3] == 0); + CHECK(vector[4] == 2); + + CHECK(vector.find(0) == 3); + CHECK(vector.find(1) == 1); + CHECK(vector.find(2) == 4); + CHECK(vector.find(3) == 0); + CHECK(vector.find(4) == 2); + + CHECK(vector.find(-1) == -1); + CHECK(vector.find(5) == -1); +} + +TEST_CASE("[LocalVector] Remove.") { + LocalVector vector; + vector.push_back(0); + vector.push_back(1); + vector.push_back(2); + vector.push_back(3); + vector.push_back(4); + + vector.remove(0); + + CHECK(vector[0] == 1); + CHECK(vector[1] == 2); + CHECK(vector[2] == 3); + CHECK(vector[3] == 4); + + vector.remove(2); + + CHECK(vector[0] == 1); + CHECK(vector[1] == 2); + CHECK(vector[2] == 4); + + vector.remove(1); + + CHECK(vector[0] == 1); + CHECK(vector[1] == 4); + + vector.remove(0); + + CHECK(vector[0] == 4); +} + +TEST_CASE("[LocalVector] Remove Unordered.") { + LocalVector vector; + vector.push_back(0); + vector.push_back(1); + vector.push_back(2); + vector.push_back(3); + vector.push_back(4); + + CHECK(vector.size() == 5); + + vector.remove_unordered(0); + + CHECK(vector.size() == 4); + + CHECK(vector.find(0) == -1); + CHECK(vector.find(1) != -1); + CHECK(vector.find(2) != -1); + CHECK(vector.find(3) != -1); + CHECK(vector.find(4) != -1); + + // Now the vector is no more ordered. + vector.remove_unordered(vector.find(3)); + + CHECK(vector.size() == 3); + + CHECK(vector.find(3) == -1); + CHECK(vector.find(1) != -1); + CHECK(vector.find(2) != -1); + CHECK(vector.find(4) != -1); + + vector.remove_unordered(vector.find(2)); + + CHECK(vector.size() == 2); + + CHECK(vector.find(2) == -1); + CHECK(vector.find(1) != -1); + CHECK(vector.find(4) != -1); + + vector.remove_unordered(vector.find(4)); + + CHECK(vector.size() == 1); + + CHECK(vector.find(4) == -1); + CHECK(vector.find(1) != -1); + + // Remove the last one. + vector.remove_unordered(0); + + CHECK(vector.is_empty()); + CHECK(vector.size() == 0); +} + +TEST_CASE("[LocalVector] Erase.") { + LocalVector vector; + vector.push_back(1); + vector.push_back(3); + vector.push_back(0); + vector.push_back(2); + vector.push_back(4); + + CHECK(vector.find(2) == 3); + + vector.erase(2); + + CHECK(vector.find(2) == -1); + CHECK(vector.size() == 4); +} + +TEST_CASE("[LocalVector] Size / Resize / Reserve.") { + LocalVector vector; + + CHECK(vector.is_empty()); + CHECK(vector.size() == 0); + CHECK(vector.get_capacity() == 0); + + vector.resize(10); + + CHECK(vector.size() == 10); + CHECK(vector.get_capacity() >= 10); + + vector.resize(5); + + CHECK(vector.size() == 5); + // Capacity is supposed to change only when the size increase. + CHECK(vector.get_capacity() >= 10); + + vector.remove(0); + vector.remove(0); + vector.remove(0); + + CHECK(vector.size() == 2); + // Capacity is supposed to change only when the size increase. + CHECK(vector.get_capacity() >= 10); + + vector.reset(); + + CHECK(vector.size() == 0); + CHECK(vector.get_capacity() == 0); + + vector.reserve(3); + + CHECK(vector.is_empty()); + CHECK(vector.size() == 0); + CHECK(vector.get_capacity() >= 3); + + vector.push_back(0); + vector.push_back(0); + vector.push_back(0); + + CHECK(vector.size() == 3); + CHECK(vector.get_capacity() >= 3); + + vector.push_back(0); + + CHECK(vector.size() == 4); + CHECK(vector.get_capacity() >= 4); +} +} // namespace TestLocalVector + +#endif // TEST_LOCAL_VECTOR_H diff --git a/tests/test_main.cpp b/tests/test_main.cpp index ca1fe234c09..e07a0a7d7bd 100644 --- a/tests/test_main.cpp +++ b/tests/test_main.cpp @@ -48,6 +48,7 @@ #include "test_gui.h" #include "test_json.h" #include "test_list.h" +#include "test_local_vector.h" #include "test_lru.h" #include "test_math.h" #include "test_method_bind.h"