godot/tests/core/variant/test_dictionary.h

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/*************************************************************************/
/* test_dictionary.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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#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[k2]).id() == Array(d[k2]).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();
}
TEST_CASE("[Dictionary] Order and find") {
Dictionary d;
d[4] = "four";
d[8] = "eight";
d[12] = "twelve";
d["4"] = "four";
Array keys;
keys.append(4);
keys.append(8);
keys.append(12);
keys.append("4");
CHECK_EQ(d.keys(), keys);
CHECK_EQ(d.find_key("four"), Variant(4));
CHECK_EQ(d.find_key("does not exist"), Variant());
}
} // namespace TestDictionary
#endif // TEST_DICTIONARY_H