/**************************************************************************/
/*  test_paged_array.h                                                    */
/**************************************************************************/
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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();
}
} // namespace TestPagedArray

#endif // TEST_PAGED_ARRAY_H