/*************************************************************************/ /* test_oa_hash_map.cpp */ /*************************************************************************/ /* 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. */ /*************************************************************************/ #include "test_oa_hash_map.h" #include "core/os/os.h" #include "core/templates/oa_hash_map.h" namespace TestOAHashMap { struct CountedItem { static int count; int id = -1; bool destroyed = false; CountedItem() { count++; } CountedItem(int p_id) : id(p_id) { count++; } CountedItem(const CountedItem &p_other) : id(p_other.id) { count++; } CountedItem &operator=(const CountedItem &p_other) = default; ~CountedItem() { CRASH_COND(destroyed); count--; destroyed = true; } }; int CountedItem::count; MainLoop *test() { OS::get_singleton()->print("\n\n\nHello from test\n"); // test element tracking. { OAHashMap<int, int> map; map.set(42, 1337); map.set(1337, 21); map.set(42, 11880); int value = 0; map.lookup(42, value); OS::get_singleton()->print("capacity %d\n", map.get_capacity()); OS::get_singleton()->print("elements %d\n", map.get_num_elements()); OS::get_singleton()->print("map[42] = %d\n", value); } // rehashing and deletion { OAHashMap<int, int> map; for (int i = 0; i < 500; i++) { map.set(i, i * 2); } for (int i = 0; i < 500; i += 2) { map.remove(i); } uint32_t num_elems = 0; for (int i = 0; i < 500; i++) { int tmp; if (map.lookup(i, tmp) && tmp == i * 2) { num_elems++; } } OS::get_singleton()->print("elements %d == %d.\n", map.get_num_elements(), num_elems); } // iteration { OAHashMap<String, int> map; map.set("Hello", 1); map.set("World", 2); map.set("Godot rocks", 42); for (OAHashMap<String, int>::Iterator it = map.iter(); it.valid; it = map.next_iter(it)) { OS::get_singleton()->print("map[\"%s\"] = %d\n", it.key->utf8().get_data(), *it.value); } } // stress test / test for issue #22928 { OAHashMap<int, int> map; int dummy = 0; const int N = 1000; uint32_t *keys = new uint32_t[N]; Math::seed(0); // insert a couple of random keys (with a dummy value, which is ignored) for (int i = 0; i < N; i++) { keys[i] = Math::rand(); map.set(keys[i], dummy); if (!map.lookup(keys[i], dummy)) { OS::get_singleton()->print("could not find 0x%X despite it was just inserted!\n", unsigned(keys[i])); } } // check whether the keys are still present for (int i = 0; i < N; i++) { if (!map.lookup(keys[i], dummy)) { OS::get_singleton()->print("could not find 0x%X despite it has been inserted previously! (not checking the other keys, breaking...)\n", unsigned(keys[i])); break; } } delete[] keys; } // regression test / test for issue related to #31402 { OS::get_singleton()->print("test for issue #31402 started...\n"); const int num_test_values = 12; int test_values[num_test_values] = { 0, 24, 48, 72, 96, 120, 144, 168, 192, 216, 240, 264 }; int dummy = 0; OAHashMap<int, int> map; map.clear(); for (int i = 0; i < num_test_values; ++i) { map.set(test_values[i], dummy); } OS::get_singleton()->print("test for issue #31402 passed.\n"); } // test collision resolution, should not crash or run indefinitely { OAHashMap<int, int> map(4); map.set(1, 1); map.set(5, 1); map.set(9, 1); map.set(13, 1); map.remove(5); map.remove(9); map.remove(13); map.set(5, 1); } // test memory management of items, should not crash or leak items { // Exercise different patterns of removal for (int i = 0; i < 4; ++i) { { OAHashMap<String, CountedItem> map; int id = 0; for (int j = 0; j < 100; ++j) { map.insert(itos(j), CountedItem(id)); } if (i <= 1) { for (int j = 0; j < 100; ++j) { map.remove(itos(j)); } } if (i % 2 == 0) { map.clear(); } } if (CountedItem::count != 0) { OS::get_singleton()->print("%d != 0 (not performing the other test sub-cases, breaking...)\n", CountedItem::count); break; } } } // Test map with 0 capacity. { OAHashMap<int, String> original_map(0); original_map.set(1, "1"); OS::get_singleton()->print("OAHashMap 0 capacity initialization passed.\n"); } // Test copy constructor. { OAHashMap<int, String> original_map; original_map.set(1, "1"); original_map.set(2, "2"); original_map.set(3, "3"); original_map.set(4, "4"); original_map.set(5, "5"); OAHashMap<int, String> map_copy(original_map); bool pass = true; for ( OAHashMap<int, String>::Iterator it = original_map.iter(); it.valid; it = original_map.next_iter(it)) { if (map_copy.lookup_ptr(*it.key) == nullptr) { pass = false; } if (*it.value != *map_copy.lookup_ptr(*it.key)) { pass = false; } } if (pass) { OS::get_singleton()->print("OAHashMap copy constructor test passed.\n"); } else { OS::get_singleton()->print("OAHashMap copy constructor test FAILED.\n"); } map_copy.set(1, "Random String"); if (*map_copy.lookup_ptr(1) == *original_map.lookup_ptr(1)) { OS::get_singleton()->print("OAHashMap copy constructor, atomic copy test FAILED.\n"); } else { OS::get_singleton()->print("OAHashMap copy constructor, atomic copy test passed.\n"); } } // Test assign operator. { OAHashMap<int, String> original_map; original_map.set(1, "1"); original_map.set(2, "2"); original_map.set(3, "3"); original_map.set(4, "4"); original_map.set(5, "5"); OAHashMap<int, String> map_copy(100000); map_copy.set(1, "Just a string."); map_copy = original_map; bool pass = true; for ( OAHashMap<int, String>::Iterator it = map_copy.iter(); it.valid; it = map_copy.next_iter(it)) { if (original_map.lookup_ptr(*it.key) == nullptr) { pass = false; } if (*it.value != *original_map.lookup_ptr(*it.key)) { pass = false; } } if (pass) { OS::get_singleton()->print("OAHashMap assign operation test passed.\n"); } else { OS::get_singleton()->print("OAHashMap assign operation test FAILED.\n"); } map_copy.set(1, "Random String"); if (*map_copy.lookup_ptr(1) == *original_map.lookup_ptr(1)) { OS::get_singleton()->print("OAHashMap assign operation atomic copy test FAILED.\n"); } else { OS::get_singleton()->print("OAHashMap assign operation atomic copy test passed.\n"); } } return nullptr; } } // namespace TestOAHashMap