/**************************************************************************/
/* test_paged_array.h */
/**************************************************************************/
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/* https://godotengine.org */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* The above copyright notice and this permission notice shall be */
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#ifndef TEST_PAGED_ARRAY_H
#define TEST_PAGED_ARRAY_H
#include "core/templates/paged_array.h"
#include "thirdparty/doctest/doctest.h"
namespace TestPagedArray {
// PagedArray
TEST_CASE("[PagedArray] Simple fill and refill") {
PagedArrayPool<uint32_t> pool;
PagedArray<uint32_t> array;
array.set_page_pool(&pool);
for (uint32_t i = 0; i < 123456; i++) {
array.push_back(i);
}
CHECK_MESSAGE(
array.size() == 123456,
"PagedArray should have 123456 elements.");
bool all_match = true;
for (uint32_t i = 0; i < 123456; i++) {
if (array[i] != i) {
all_match = false;
break;
}
}
CHECK_MESSAGE(
all_match,
"PagedArray elements should match from 0 to 123455.");
array.clear();
CHECK_MESSAGE(
array.size() == 0,
"PagedArray elements should be 0 after clear.");
for (uint32_t i = 0; i < 999; i++) {
array.push_back(i);
}
CHECK_MESSAGE(
array.size() == 999,
"PagedArray should have 999 elements.");
all_match = true;
for (uint32_t i = 0; i < 999; i++) {
if (array[i] != i) {
all_match = false;
}
}
CHECK_MESSAGE(
all_match,
"PagedArray elements should match from 0 to 998.");
array.reset(); //reset so pagepool can be reset
pool.reset();
}
TEST_CASE("[PagedArray] Shared pool fill, including merging") {
PagedArrayPool<uint32_t> pool;
PagedArray<uint32_t> array1;
PagedArray<uint32_t> array2;
array1.set_page_pool(&pool);
array2.set_page_pool(&pool);
for (uint32_t i = 0; i < 123456; i++) {
array1.push_back(i);
}
CHECK_MESSAGE(
array1.size() == 123456,
"PagedArray #1 should have 123456 elements.");
bool all_match = true;
for (uint32_t i = 0; i < 123456; i++) {
if (array1[i] != i) {
all_match = false;
}
}
CHECK_MESSAGE(
all_match,
"PagedArray #1 elements should match from 0 to 123455.");
for (uint32_t i = 0; i < 999; i++) {
array2.push_back(i);
}
CHECK_MESSAGE(
array2.size() == 999,
"PagedArray #2 should have 999 elements.");
all_match = true;
for (uint32_t i = 0; i < 999; i++) {
if (array2[i] != i) {
all_match = false;
}
}
CHECK_MESSAGE(
all_match,
"PagedArray #2 elements should match from 0 to 998.");
array1.merge_unordered(array2);
CHECK_MESSAGE(
array1.size() == 123456 + 999,
"PagedArray #1 should now be 123456 + 999 elements.");
CHECK_MESSAGE(
array2.size() == 0,
"PagedArray #2 should now be 0 elements.");
array1.reset(); //reset so pagepool can be reset
array2.reset(); //reset so pagepool can be reset
pool.reset();
}
TEST_CASE("[PagedArray] Extensive merge_unordered() test") {
for (int page_size = 1; page_size <= 128; page_size *= 2) {
PagedArrayPool<uint32_t> pool(page_size);
PagedArray<uint32_t> array1;
PagedArray<uint32_t> array2;
array1.set_page_pool(&pool);
array2.set_page_pool(&pool);
const int max_count = 123;
// Test merging arrays of lengths 0+123, 1+122, 2+121, ..., 123+0
for (uint32_t j = 0; j < max_count; j++) {
CHECK(array1.size() == 0);
CHECK(array2.size() == 0);
uint32_t sum = 12345;
for (uint32_t i = 0; i < j; i++) {
// Hashing the addend makes it extremely unlikely for any values
// other than the original inputs to produce a matching sum
uint32_t addend = hash_murmur3_one_32(i) + i;
array1.push_back(addend);
sum += addend;
}
for (uint32_t i = j; i < max_count; i++) {
// See above
uint32_t addend = hash_murmur3_one_32(i) + i;
array2.push_back(addend);
sum += addend;
}
CHECK(array1.size() == j);
CHECK(array2.size() == max_count - j);
array1.merge_unordered(array2);
CHECK_MESSAGE(array1.size() == max_count, "merge_unordered() added/dropped elements while merging");
// If any elements were altered during merging, the sum will not match up.
for (uint32_t i = 0; i < array1.size(); i++) {
sum -= array1[i];
}
CHECK_MESSAGE(sum == 12345, "merge_unordered() altered elements while merging");
array1.clear();
}
array1.reset();
array2.reset();
pool.reset();
}
}
} // namespace TestPagedArray
#endif // TEST_PAGED_ARRAY_H
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