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-rw-r--r--src/mongo/db/query/find_common_test.cpp74
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diff --git a/src/mongo/db/query/find_common_test.cpp b/src/mongo/db/query/find_common_test.cpp
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-/**
- * Copyright (C) 2023-present MongoDB, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the Server Side Public License, version 1,
- * as published by MongoDB, Inc.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * Server Side Public License for more details.
- *
- * You should have received a copy of the Server Side Public License
- * along with this program. If not, see
- * <http://www.mongodb.com/licensing/server-side-public-license>.
- *
- * As a special exception, the copyright holders give permission to link the
- * code of portions of this program with the OpenSSL library under certain
- * conditions as described in each individual source file and distribute
- * linked combinations including the program with the OpenSSL library. You
- * must comply with the Server Side Public License in all respects for
- * all of the code used other than as permitted herein. If you modify file(s)
- * with this exception, you may extend this exception to your version of the
- * file(s), but you are not obligated to do so. If you do not wish to do so,
- * delete this exception statement from your version. If you delete this
- * exception statement from all source files in the program, then also delete
- * it in the license file.
- */
-
-#include "mongo/platform/basic.h"
-
-#include <string>
-
-#include "mongo/bson/bsonobj.h"
-#include "mongo/bson/bsonobjbuilder.h"
-#include "mongo/db/query/find_common.h"
-
-#include "mongo/unittest/unittest.h"
-
-namespace {
-
-using namespace mongo;
-
-TEST(BSONArrayResponseSizeTrackerTest, AddLargeNumberOfElements) {
- BSONObjBuilder bsonObjBuilder;
- {
- FindCommon::BSONArrayResponseSizeTracker sizeTracker;
- BSONArrayBuilder arrayBuilder{bsonObjBuilder.subarrayStart("a")};
- BSONObj emptyObject;
- while (sizeTracker.haveSpaceForNext(emptyObject)) {
- sizeTracker.add(emptyObject);
- arrayBuilder.append(emptyObject);
- }
- }
- // If the BSON object is successfully constructed, then space accounting was correct.
- bsonObjBuilder.obj();
-}
-TEST(BSONArrayResponseSizeTrackerTest, CanAddAtLeastOneDocument) {
- auto largeObject = BSON("a" << std::string(16 * 1024 * 1024, 'A'));
- BSONObj emptyObject;
- BSONObjBuilder bsonObjBuilder;
- {
- FindCommon::BSONArrayResponseSizeTracker sizeTracker;
- BSONArrayBuilder arrayBuilder{bsonObjBuilder.subarrayStart("a")};
- // Add an object that is larger than 16MB.
- ASSERT(sizeTracker.haveSpaceForNext(largeObject));
- sizeTracker.add(largeObject);
- arrayBuilder.append(largeObject);
- ASSERT(!sizeTracker.haveSpaceForNext(emptyObject));
- }
- // If the BSON object is successfully constructed, then space accounting was correct.
- bsonObjBuilder.obj();
-}
-} // namespace