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+/*************************************************************************/
+/* test_dictionary.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_DICTIONARY_H
+#define TEST_DICTIONARY_H
+
+#include "core/variant/dictionary.h"
+#include "tests/test_macros.h"
+
+namespace TestDictionary {
+
+static inline Array build_array() {
+ return Array();
+}
+template <typename... Targs>
+static inline Array build_array(Variant item, Targs... Fargs) {
+ Array a = build_array(Fargs...);
+ a.push_front(item);
+ return a;
+}
+static inline Dictionary build_dictionary() {
+ return Dictionary();
+}
+template <typename... Targs>
+static inline Dictionary build_dictionary(Variant key, Variant item, Targs... Fargs) {
+ Dictionary d = build_dictionary(Fargs...);
+ d[key] = item;
+ return d;
+}
+
+TEST_CASE("[Dictionary] Assignment using bracket notation ([])") {
+ Dictionary map;
+ map["Hello"] = 0;
+ CHECK(int(map["Hello"]) == 0);
+ map["Hello"] = 3;
+ CHECK(int(map["Hello"]) == 3);
+ map["World!"] = 4;
+ CHECK(int(map["World!"]) == 4);
+
+ // Test non-string keys, since keys can be of any Variant type.
+ map[12345] = -5;
+ CHECK(int(map[12345]) == -5);
+ map[false] = 128;
+ CHECK(int(map[false]) == 128);
+ map[Vector2(10, 20)] = 30;
+ CHECK(int(map[Vector2(10, 20)]) == 30);
+ map[0] = 400;
+ CHECK(int(map[0]) == 400);
+ // Check that assigning 0 doesn't overwrite the value for `false`.
+ CHECK(int(map[false]) == 128);
+}
+
+TEST_CASE("[Dictionary] get_key_lists()") {
+ Dictionary map;
+ List<Variant> keys;
+ List<Variant> *ptr = &keys;
+ map.get_key_list(ptr);
+ CHECK(keys.is_empty());
+ map[1] = 3;
+ map.get_key_list(ptr);
+ CHECK(keys.size() == 1);
+ CHECK(int(keys[0]) == 1);
+ map[2] = 4;
+ map.get_key_list(ptr);
+ CHECK(keys.size() == 3);
+}
+
+TEST_CASE("[Dictionary] get_key_at_index()") {
+ Dictionary map;
+ map[4] = 3;
+ Variant val = map.get_key_at_index(0);
+ CHECK(int(val) == 4);
+ map[3] = 1;
+ val = map.get_key_at_index(0);
+ CHECK(int(val) == 4);
+ val = map.get_key_at_index(1);
+ CHECK(int(val) == 3);
+}
+
+TEST_CASE("[Dictionary] getptr()") {
+ Dictionary map;
+ map[1] = 3;
+ Variant *key = map.getptr(1);
+ CHECK(int(*key) == 3);
+ key = map.getptr(2);
+ CHECK(key == nullptr);
+}
+
+TEST_CASE("[Dictionary] get_valid()") {
+ Dictionary map;
+ map[1] = 3;
+ Variant val = map.get_valid(1);
+ CHECK(int(val) == 3);
+}
+TEST_CASE("[Dictionary] get()") {
+ Dictionary map;
+ map[1] = 3;
+ Variant val = map.get(1, -1);
+ CHECK(int(val) == 3);
+}
+
+TEST_CASE("[Dictionary] size(), empty() and clear()") {
+ Dictionary map;
+ CHECK(map.size() == 0);
+ CHECK(map.is_empty());
+ map[1] = 3;
+ CHECK(map.size() == 1);
+ CHECK(!map.is_empty());
+ map.clear();
+ CHECK(map.size() == 0);
+ CHECK(map.is_empty());
+}
+
+TEST_CASE("[Dictionary] has() and has_all()") {
+ Dictionary map;
+ CHECK(map.has(1) == false);
+ map[1] = 3;
+ CHECK(map.has(1));
+ Array keys;
+ keys.push_back(1);
+ CHECK(map.has_all(keys));
+ keys.push_back(2);
+ CHECK(map.has_all(keys) == false);
+}
+
+TEST_CASE("[Dictionary] keys() and values()") {
+ Dictionary map;
+ Array keys = map.keys();
+ Array values = map.values();
+ CHECK(keys.is_empty());
+ CHECK(values.is_empty());
+ map[1] = 3;
+ keys = map.keys();
+ values = map.values();
+ CHECK(int(keys[0]) == 1);
+ CHECK(int(values[0]) == 3);
+}
+
+TEST_CASE("[Dictionary] Duplicate dictionary") {
+ // d = {1: {1: 1}, {2: 2}: [2], [3]: 3}
+ Dictionary k2 = build_dictionary(2, 2);
+ Array k3 = build_array(3);
+ Dictionary d = build_dictionary(1, build_dictionary(1, 1), k2, build_array(2), k3, 3);
+
+ // Deep copy
+ Dictionary deep_d = d.duplicate(true);
+ CHECK_MESSAGE(deep_d.id() != d.id(), "Should create a new dictionary");
+ CHECK_MESSAGE(Dictionary(deep_d[1]).id() != Dictionary(d[1]).id(), "Should clone nested dictionary");
+ CHECK_MESSAGE(Array(deep_d[k2]).id() != Array(d[k2]).id(), "Should clone nested array");
+ CHECK_EQ(deep_d, d);
+ deep_d[0] = 0;
+ CHECK_NE(deep_d, d);
+ deep_d.erase(0);
+ Dictionary(deep_d[1]).operator[](0) = 0;
+ CHECK_NE(deep_d, d);
+ Dictionary(deep_d[1]).erase(0);
+ CHECK_EQ(deep_d, d);
+ // Keys should also be copied
+ k2[0] = 0;
+ CHECK_NE(deep_d, d);
+ k2.erase(0);
+ CHECK_EQ(deep_d, d);
+ k3.push_back(0);
+ CHECK_NE(deep_d, d);
+ k3.pop_back();
+ CHECK_EQ(deep_d, d);
+
+ // Shallow copy
+ Dictionary shallow_d = d.duplicate(false);
+ CHECK_MESSAGE(shallow_d.id() != d.id(), "Should create a new array");
+ CHECK_MESSAGE(Dictionary(shallow_d[1]).id() == Dictionary(d[1]).id(), "Should keep nested dictionary");
+ CHECK_MESSAGE(Array(shallow_d[2]).id() == Array(d[2]).id(), "Should keep nested array");
+ CHECK_EQ(shallow_d, d);
+ shallow_d[0] = 0;
+ CHECK_NE(shallow_d, d);
+ shallow_d.erase(0);
+#if 0 // TODO: recursion in dict key currently is buggy
+ // Keys should also be shallowed
+ k2[0] = 0;
+ CHECK_EQ(shallow_d, d);
+ k2.erase(0);
+ k3.push_back(0);
+ CHECK_EQ(shallow_d, d);
+#endif
+}
+
+TEST_CASE("[Dictionary] Duplicate recursive dictionary") {
+ // Self recursive
+ Dictionary d;
+ d[1] = d;
+
+ Dictionary d_shallow = d.duplicate(false);
+ CHECK_EQ(d, d_shallow);
+
+ // Deep copy of recursive dictionary endup with recursion limit and return
+ // an invalid result (multiple nested dictionaries), the point is we should
+ // not end up with a segfault and an error log should be printed
+ ERR_PRINT_OFF;
+ d.duplicate(true);
+ ERR_PRINT_ON;
+
+ // Nested recursive
+ Dictionary d1;
+ Dictionary d2;
+ d1[2] = d2;
+ d2[1] = d1;
+
+ Dictionary d1_shallow = d1.duplicate(false);
+ CHECK_EQ(d1, d1_shallow);
+
+ // Same deep copy issue as above
+ ERR_PRINT_OFF;
+ d1.duplicate(true);
+ ERR_PRINT_ON;
+
+ // Break the recursivity otherwise Dictionary teardown will leak memory
+ d.clear();
+ d1.clear();
+ d2.clear();
+}
+
+#if 0 // TODO: duplicate recursion in dict key is currently buggy
+TEST_CASE("[Dictionary] Duplicate recursive dictionary on keys") {
+ // Self recursive
+ Dictionary d;
+ d[d] = d;
+
+ Dictionary d_shallow = d.duplicate(false);
+ CHECK_EQ(d, d_shallow);
+
+ // Deep copy of recursive dictionary endup with recursion limit and return
+ // an invalid result (multiple nested dictionaries), the point is we should
+ // not end up with a segfault and an error log should be printed
+ ERR_PRINT_OFF;
+ d.duplicate(true);
+ ERR_PRINT_ON;
+
+ // Nested recursive
+ Dictionary d1;
+ Dictionary d2;
+ d1[d2] = d2;
+ d2[d1] = d1;
+
+ Dictionary d1_shallow = d1.duplicate(false);
+ CHECK_EQ(d1, d1_shallow);
+
+ // Same deep copy issue as above
+ ERR_PRINT_OFF;
+ d1.duplicate(true);
+ ERR_PRINT_ON;
+
+ // Break the recursivity otherwise Dictionary teardown will leak memory
+ d.clear();
+ d1.clear();
+ d2.clear();
+}
+#endif
+
+TEST_CASE("[Dictionary] Hash dictionary") {
+ // d = {1: {1: 1}, {2: 2}: [2], [3]: 3}
+ Dictionary k2 = build_dictionary(2, 2);
+ Array k3 = build_array(3);
+ Dictionary d = build_dictionary(1, build_dictionary(1, 1), k2, build_array(2), k3, 3);
+ uint32_t original_hash = d.hash();
+
+ // Modify dict change the hash
+ d[0] = 0;
+ CHECK_NE(d.hash(), original_hash);
+ d.erase(0);
+ CHECK_EQ(d.hash(), original_hash);
+
+ // Modify nested item change the hash
+ Dictionary(d[1]).operator[](0) = 0;
+ CHECK_NE(d.hash(), original_hash);
+ Dictionary(d[1]).erase(0);
+ Array(d[k2]).push_back(0);
+ CHECK_NE(d.hash(), original_hash);
+ Array(d[k2]).pop_back();
+
+ // Modify a key change the hash
+ k2[0] = 0;
+ CHECK_NE(d.hash(), original_hash);
+ k2.erase(0);
+ CHECK_EQ(d.hash(), original_hash);
+ k3.push_back(0);
+ CHECK_NE(d.hash(), original_hash);
+ k3.pop_back();
+ CHECK_EQ(d.hash(), original_hash);
+
+ // Duplication doesn't change the hash
+ Dictionary d2 = d.duplicate(true);
+ CHECK_EQ(d2.hash(), original_hash);
+}
+
+TEST_CASE("[Dictionary] Hash recursive dictionary") {
+ Dictionary d;
+ d[1] = d;
+
+ // Hash should reach recursion limit, we just make sure this doesn't blow up
+ ERR_PRINT_OFF;
+ d.hash();
+ ERR_PRINT_ON;
+
+ // Break the recursivity otherwise Dictionary teardown will leak memory
+ d.clear();
+}
+
+#if 0 // TODO: recursion in dict key is currently buggy
+TEST_CASE("[Dictionary] Hash recursive dictionary on keys") {
+ Dictionary d;
+ d[d] = 1;
+
+ // Hash should reach recursion limit, we just make sure this doesn't blow up
+ ERR_PRINT_OFF;
+ d.hash();
+ ERR_PRINT_ON;
+
+ // Break the recursivity otherwise Dictionary teardown will leak memory
+ d.clear();
+}
+#endif
+
+TEST_CASE("[Dictionary] Empty comparison") {
+ Dictionary d1;
+ Dictionary d2;
+
+ // test both operator== and operator!=
+ CHECK_EQ(d1, d2);
+ CHECK_FALSE(d1 != d2);
+}
+
+TEST_CASE("[Dictionary] Flat comparison") {
+ Dictionary d1 = build_dictionary(1, 1);
+ Dictionary d2 = build_dictionary(1, 1);
+ Dictionary other_d = build_dictionary(2, 1);
+
+ // test both operator== and operator!=
+ CHECK_EQ(d1, d1); // compare self
+ CHECK_FALSE(d1 != d1);
+ CHECK_EQ(d1, d2); // different equivalent arrays
+ CHECK_FALSE(d1 != d2);
+ CHECK_NE(d1, other_d); // different arrays with different content
+ CHECK_FALSE(d1 == other_d);
+}
+
+TEST_CASE("[Dictionary] Nested dictionary comparison") {
+ // d1 = {1: {2: {3: 4}}}
+ Dictionary d1 = build_dictionary(1, build_dictionary(2, build_dictionary(3, 4)));
+
+ Dictionary d2 = d1.duplicate(true);
+
+ // other_d = {1: {2: {3: 0}}}
+ Dictionary other_d = build_dictionary(1, build_dictionary(2, build_dictionary(3, 0)));
+
+ // test both operator== and operator!=
+ CHECK_EQ(d1, d1); // compare self
+ CHECK_FALSE(d1 != d1);
+ CHECK_EQ(d1, d2); // different equivalent arrays
+ CHECK_FALSE(d1 != d2);
+ CHECK_NE(d1, other_d); // different arrays with different content
+ CHECK_FALSE(d1 == other_d);
+}
+
+TEST_CASE("[Dictionary] Nested array comparison") {
+ // d1 = {1: [2, 3]}
+ Dictionary d1 = build_dictionary(1, build_array(2, 3));
+
+ Dictionary d2 = d1.duplicate(true);
+
+ // other_d = {1: [2, 0]}
+ Dictionary other_d = build_dictionary(1, build_array(2, 0));
+
+ // test both operator== and operator!=
+ CHECK_EQ(d1, d1); // compare self
+ CHECK_FALSE(d1 != d1);
+ CHECK_EQ(d1, d2); // different equivalent arrays
+ CHECK_FALSE(d1 != d2);
+ CHECK_NE(d1, other_d); // different arrays with different content
+ CHECK_FALSE(d1 == other_d);
+}
+
+TEST_CASE("[Dictionary] Recursive comparison") {
+ Dictionary d1;
+ d1[1] = d1;
+
+ Dictionary d2;
+ d2[1] = d2;
+
+ // Comparison should reach recursion limit
+ ERR_PRINT_OFF;
+ CHECK_EQ(d1, d2);
+ CHECK_FALSE(d1 != d2);
+ ERR_PRINT_ON;
+
+ d1[2] = 2;
+ d2[2] = 2;
+
+ // Comparison should reach recursion limit
+ ERR_PRINT_OFF;
+ CHECK_EQ(d1, d2);
+ CHECK_FALSE(d1 != d2);
+ ERR_PRINT_ON;
+
+ d1[3] = 3;
+ d2[3] = 0;
+
+ // Comparison should reach recursion limit
+ ERR_PRINT_OFF;
+ CHECK_NE(d1, d2);
+ CHECK_FALSE(d1 == d2);
+ ERR_PRINT_ON;
+
+ // Break the recursivity otherwise Dictionary teardown will leak memory
+ d1.clear();
+ d2.clear();
+}
+
+#if 0 // TODO: recursion in dict key is currently buggy
+TEST_CASE("[Dictionary] Recursive comparison on keys") {
+ Dictionary d1;
+ // Hash computation should reach recursion limit
+ ERR_PRINT_OFF;
+ d1[d1] = 1;
+ ERR_PRINT_ON;
+
+ Dictionary d2;
+ // Hash computation should reach recursion limit
+ ERR_PRINT_OFF;
+ d2[d2] = 1;
+ ERR_PRINT_ON;
+
+ // Comparison should reach recursion limit
+ ERR_PRINT_OFF;
+ CHECK_EQ(d1, d2);
+ CHECK_FALSE(d1 != d2);
+ ERR_PRINT_ON;
+
+ d1[2] = 2;
+ d2[2] = 2;
+
+ // Comparison should reach recursion limit
+ ERR_PRINT_OFF;
+ CHECK_EQ(d1, d2);
+ CHECK_FALSE(d1 != d2);
+ ERR_PRINT_ON;
+
+ d1[3] = 3;
+ d2[3] = 0;
+
+ // Comparison should reach recursion limit
+ ERR_PRINT_OFF;
+ CHECK_NE(d1, d2);
+ CHECK_FALSE(d1 == d2);
+ ERR_PRINT_ON;
+
+ // Break the recursivity otherwise Dictionary teardown will leak memory
+ d1.clear();
+ d2.clear();
+}
+#endif
+
+TEST_CASE("[Dictionary] Recursive self comparison") {
+ Dictionary d1;
+ Dictionary d2;
+ d1[1] = d2;
+ d2[1] = d1;
+
+ CHECK_EQ(d1, d1);
+ CHECK_FALSE(d1 != d1);
+
+ // Break the recursivity otherwise Dictionary teardown will leak memory
+ d1.clear();
+ d2.clear();
+}
+
+} // namespace TestDictionary
+
+#endif // TEST_DICTIONARY_H