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/**
* Copyright (C) 2017 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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 "mongo/bson/bson_depth.h"
#include "mongo/db/client.h"
#include "mongo/db/db_raii.h"
#include "mongo/db/ops/insert.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
const auto kInsertTestNss = NamespaceString{"dbtests.InsertTest"};
class InsertTest : public unittest::Test {
public:
InsertTest()
: _opCtx(cc().makeOperationContext()),
_lock(_opCtx.get()),
_autoColl(_opCtx.get(), kInsertTestNss, MODE_IX) {}
const OperationContext* getOperationContext() const {
return _opCtx.get();
}
private:
ServiceContext::UniqueOperationContext _opCtx;
Lock::GlobalWrite _lock;
AutoGetCollection _autoColl;
};
BSONObj makeNestedObject(size_t depth) {
ASSERT_GTE(depth, 1U);
auto obj = BSON("a" << 1);
while (--depth) {
obj = BSON("a" << obj);
}
return obj;
}
BSONObj makeNestedArray(size_t depth) {
ASSERT_GTE(depth, 1U);
auto obj = BSON_ARRAY(1);
while (--depth) {
obj = BSON_ARRAY(obj);
}
return obj;
}
TEST_F(InsertTest, FixDocumentForInsertAcceptsEmptyDocuments) {
ASSERT_OK(fixDocumentForInsert(getOperationContext()->getServiceContext(), BSONObj()));
}
TEST_F(InsertTest, FixDocumentForInsertAcceptsDocumentsAtStorageDepthLimit) {
ASSERT_OK(fixDocumentForInsert(getOperationContext()->getServiceContext(),
makeNestedObject(BSONDepth::getMaxDepthForUserStorage())));
ASSERT_OK(fixDocumentForInsert(getOperationContext()->getServiceContext(),
makeNestedArray(BSONDepth::getMaxDepthForUserStorage())));
}
TEST_F(InsertTest, FixDocumentForInsertFailsOnDeeplyNestedDocuments) {
ASSERT_EQ(fixDocumentForInsert(getOperationContext()->getServiceContext(),
makeNestedObject(BSONDepth::getMaxDepthForUserStorage() + 1)),
ErrorCodes::Overflow);
ASSERT_EQ(fixDocumentForInsert(getOperationContext()->getServiceContext(),
makeNestedArray(BSONDepth::getMaxDepthForUserStorage() + 1)),
ErrorCodes::Overflow);
}
} // namespace
} // namespace mongo
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