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godot/tests/core/variant/test_array.h

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/*************************************************************************/
/* test_array.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_ARRAY_H
#define TEST_ARRAY_H
#include "core/variant/array.h"
#include "tests/test_macros.h"
#include "tests/test_tools.h"
namespace TestArray {
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("[Array] size(), clear(), and is_empty()") {
Array arr;
CHECK(arr.size() == 0);
CHECK(arr.is_empty());
arr.push_back(1);
CHECK(arr.size() == 1);
arr.clear();
CHECK(arr.is_empty());
CHECK(arr.size() == 0);
}
TEST_CASE("[Array] Assignment and comparison operators") {
Array arr1;
Array arr2;
arr1.push_back(1);
CHECK(arr1 != arr2);
CHECK(arr1 > arr2);
CHECK(arr1 >= arr2);
arr2.push_back(2);
CHECK(arr1 != arr2);
CHECK(arr1 < arr2);
CHECK(arr1 <= arr2);
CHECK(arr2 > arr1);
CHECK(arr2 >= arr1);
Array arr3 = arr2;
CHECK(arr3 == arr2);
}
TEST_CASE("[Array] append_array()") {
Array arr1;
Array arr2;
arr1.push_back(1);
arr1.append_array(arr2);
CHECK(arr1.size() == 1);
arr2.push_back(2);
arr1.append_array(arr2);
CHECK(arr1.size() == 2);
CHECK(int(arr1[0]) == 1);
CHECK(int(arr1[1]) == 2);
}
TEST_CASE("[Array] resize(), insert(), and erase()") {
Array arr;
arr.resize(2);
CHECK(arr.size() == 2);
arr.insert(0, 1);
CHECK(int(arr[0]) == 1);
arr.insert(0, 2);
CHECK(int(arr[0]) == 2);
arr.erase(2);
CHECK(int(arr[0]) == 1);
}
TEST_CASE("[Array] front() and back()") {
Array arr;
arr.push_back(1);
CHECK(int(arr.front()) == 1);
CHECK(int(arr.back()) == 1);
arr.push_back(3);
CHECK(int(arr.front()) == 1);
CHECK(int(arr.back()) == 3);
}
TEST_CASE("[Array] has() and count()") {
Array arr;
arr.push_back(1);
arr.push_back(1);
CHECK(arr.has(1));
CHECK(!arr.has(2));
CHECK(arr.count(1) == 2);
CHECK(arr.count(2) == 0);
}
TEST_CASE("[Array] remove_at()") {
Array arr;
arr.push_back(1);
arr.push_back(2);
arr.remove_at(0);
CHECK(arr.size() == 1);
CHECK(int(arr[0]) == 2);
arr.remove_at(0);
CHECK(arr.size() == 0);
// The array is now empty; try to use `remove_at()` again.
// Normally, this prints an error message so we silence it.
ERR_PRINT_OFF;
arr.remove_at(0);
ERR_PRINT_ON;
CHECK(arr.size() == 0);
}
TEST_CASE("[Array] get()") {
Array arr;
arr.push_back(1);
CHECK(int(arr.get(0)) == 1);
}
TEST_CASE("[Array] sort()") {
Array arr;
arr.push_back(3);
arr.push_back(4);
arr.push_back(2);
arr.push_back(1);
arr.sort();
int val = 1;
for (int i = 0; i < arr.size(); i++) {
CHECK(int(arr[i]) == val);
val++;
}
}
TEST_CASE("[Array] push_front(), pop_front(), pop_back()") {
Array arr;
arr.push_front(1);
arr.push_front(2);
CHECK(int(arr[0]) == 2);
arr.pop_front();
CHECK(int(arr[0]) == 1);
CHECK(arr.size() == 1);
arr.push_front(2);
arr.push_front(3);
arr.pop_back();
CHECK(int(arr[1]) == 2);
CHECK(arr.size() == 2);
}
TEST_CASE("[Array] pop_at()") {
ErrorDetector ed;
Array arr;
arr.push_back(2);
arr.push_back(4);
arr.push_back(6);
arr.push_back(8);
arr.push_back(10);
REQUIRE(int(arr.pop_at(2)) == 6);
REQUIRE(arr.size() == 4);
CHECK(int(arr[0]) == 2);
CHECK(int(arr[1]) == 4);
CHECK(int(arr[2]) == 8);
CHECK(int(arr[3]) == 10);
REQUIRE(int(arr.pop_at(2)) == 8);
REQUIRE(arr.size() == 3);
CHECK(int(arr[0]) == 2);
CHECK(int(arr[1]) == 4);
CHECK(int(arr[2]) == 10);
// Negative index.
REQUIRE(int(arr.pop_at(-1)) == 10);
REQUIRE(arr.size() == 2);
CHECK(int(arr[0]) == 2);
CHECK(int(arr[1]) == 4);
// Invalid pop.
ed.clear();
ERR_PRINT_OFF;
const Variant ret = arr.pop_at(-15);
ERR_PRINT_ON;
REQUIRE(ret.is_null());
CHECK(ed.has_error);
REQUIRE(int(arr.pop_at(0)) == 2);
REQUIRE(arr.size() == 1);
CHECK(int(arr[0]) == 4);
REQUIRE(int(arr.pop_at(0)) == 4);
REQUIRE(arr.is_empty());
// Pop from empty array.
ed.clear();
REQUIRE(arr.pop_at(24).is_null());
CHECK_FALSE(ed.has_error);
}
TEST_CASE("[Array] max() and min()") {
Array arr;
arr.push_back(3);
arr.push_front(4);
arr.push_back(5);
arr.push_back(2);
int max = int(arr.max());
int min = int(arr.min());
CHECK(max == 5);
CHECK(min == 2);
}
TEST_CASE("[Array] Duplicate array") {
// a = [1, [2, 2], {3: 3}]
Array a = build_array(1, build_array(2, 2), build_dictionary(3, 3));
// Deep copy
Array deep_a = a.duplicate(true);
CHECK_MESSAGE(deep_a.id() != a.id(), "Should create a new array");
CHECK_MESSAGE(Array(deep_a[1]).id() != Array(a[1]).id(), "Should clone nested array");
CHECK_MESSAGE(Dictionary(deep_a[2]).id() != Dictionary(a[2]).id(), "Should clone nested dictionary");
CHECK_EQ(deep_a, a);
deep_a.push_back(1);
CHECK_NE(deep_a, a);
deep_a.pop_back();
Array(deep_a[1]).push_back(1);
CHECK_NE(deep_a, a);
Array(deep_a[1]).pop_back();
CHECK_EQ(deep_a, a);
// Shallow copy
Array shallow_a = a.duplicate(false);
CHECK_MESSAGE(shallow_a.id() != a.id(), "Should create a new array");
CHECK_MESSAGE(Array(shallow_a[1]).id() == Array(a[1]).id(), "Should keep nested array");
CHECK_MESSAGE(Dictionary(shallow_a[2]).id() == Dictionary(a[2]).id(), "Should keep nested dictionary");
CHECK_EQ(shallow_a, a);
Array(shallow_a).push_back(1);
CHECK_NE(shallow_a, a);
}
TEST_CASE("[Array] Duplicate recursive array") {
// Self recursive
Array a;
a.push_back(a);
Array a_shallow = a.duplicate(false);
CHECK_EQ(a, a_shallow);
// Deep copy of recursive array endup with recursion limit and return
// an invalid result (multiple nested arrays), the point is we should
// not end up with a segfault and an error log should be printed
ERR_PRINT_OFF;
a.duplicate(true);
ERR_PRINT_ON;
// Nested recursive
Array a1;
Array a2;
a2.push_back(a1);
a1.push_back(a2);
Array a1_shallow = a1.duplicate(false);
CHECK_EQ(a1, a1_shallow);
// Same deep copy issue as above
ERR_PRINT_OFF;
a1.duplicate(true);
ERR_PRINT_ON;
// Break the recursivity otherwise Array teardown will leak memory
a.clear();
a1.clear();
a2.clear();
}
TEST_CASE("[Array] Hash array") {
// a = [1, [2, 2], {3: 3}]
Array a = build_array(1, build_array(2, 2), build_dictionary(3, 3));
uint32_t original_hash = a.hash();
a.push_back(1);
CHECK_NE(a.hash(), original_hash);
a.pop_back();
CHECK_EQ(a.hash(), original_hash);
Array(a[1]).push_back(1);
CHECK_NE(a.hash(), original_hash);
Array(a[1]).pop_back();
CHECK_EQ(a.hash(), original_hash);
(Dictionary(a[2]))[1] = 1;
CHECK_NE(a.hash(), original_hash);
Dictionary(a[2]).erase(1);
CHECK_EQ(a.hash(), original_hash);
Array a2 = a.duplicate(true);
CHECK_EQ(a2.hash(), a.hash());
}
TEST_CASE("[Array] Hash recursive array") {
Array a1;
a1.push_back(a1);
Array a2;
a2.push_back(a2);
// Hash should reach recursion limit
ERR_PRINT_OFF;
CHECK_EQ(a1.hash(), a2.hash());
ERR_PRINT_ON;
// Break the recursivity otherwise Array teardown will leak memory
a1.clear();
a2.clear();
}
TEST_CASE("[Array] Empty comparison") {
Array a1;
Array a2;
// test both operator== and operator!=
CHECK_EQ(a1, a2);
CHECK_FALSE(a1 != a2);
}
TEST_CASE("[Array] Flat comparison") {
Array a1 = build_array(1);
Array a2 = build_array(1);
Array other_a = build_array(2);
// test both operator== and operator!=
CHECK_EQ(a1, a1); // compare self
CHECK_FALSE(a1 != a1);
CHECK_EQ(a1, a2); // different equivalent arrays
CHECK_FALSE(a1 != a2);
CHECK_NE(a1, other_a); // different arrays with different content
CHECK_FALSE(a1 == other_a);
}
TEST_CASE("[Array] Nested array comparison") {
// a1 = [[[1], 2], 3]
Array a1 = build_array(build_array(build_array(1), 2), 3);
Array a2 = a1.duplicate(true);
// other_a = [[[1, 0], 2], 3]
Array other_a = build_array(build_array(build_array(1, 0), 2), 3);
// test both operator== and operator!=
CHECK_EQ(a1, a1); // compare self
CHECK_FALSE(a1 != a1);
CHECK_EQ(a1, a2); // different equivalent arrays
CHECK_FALSE(a1 != a2);
CHECK_NE(a1, other_a); // different arrays with different content
CHECK_FALSE(a1 == other_a);
}
TEST_CASE("[Array] Nested dictionary comparison") {
// a1 = [{1: 2}, 3]
Array a1 = build_array(build_dictionary(1, 2), 3);
Array a2 = a1.duplicate(true);
// other_a = [{1: 0}, 3]
Array other_a = build_array(build_dictionary(1, 0), 3);
// test both operator== and operator!=
CHECK_EQ(a1, a1); // compare self
CHECK_FALSE(a1 != a1);
CHECK_EQ(a1, a2); // different equivalent arrays
CHECK_FALSE(a1 != a2);
CHECK_NE(a1, other_a); // different arrays with different content
CHECK_FALSE(a1 == other_a);
}
TEST_CASE("[Array] Recursive comparison") {
Array a1;
a1.push_back(a1);
Array a2;
a2.push_back(a2);
// Comparison should reach recursion limit
ERR_PRINT_OFF;
CHECK_EQ(a1, a2);
CHECK_FALSE(a1 != a2);
ERR_PRINT_ON;
a1.push_back(1);
a2.push_back(1);
// Comparison should reach recursion limit
ERR_PRINT_OFF;
CHECK_EQ(a1, a2);
CHECK_FALSE(a1 != a2);
ERR_PRINT_ON;
a1.push_back(1);
a2.push_back(2);
// Comparison should reach recursion limit
ERR_PRINT_OFF;
CHECK_NE(a1, a2);
CHECK_FALSE(a1 == a2);
ERR_PRINT_ON;
// Break the recursivity otherwise Array tearndown will leak memory
a1.clear();
a2.clear();
}
TEST_CASE("[Array] Recursive self comparison") {
Array a1;
Array a2;
a2.push_back(a1);
a1.push_back(a2);
CHECK_EQ(a1, a1);
CHECK_FALSE(a1 != a1);
// Break the recursivity otherwise Array tearndown will leak memory
a1.clear();
a2.clear();
}
} // namespace TestArray
#endif // TEST_ARRAY_H
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