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/**
* Copyright (C) 2018-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 "mongo/db/matcher/expression.h"
#include "mongo/db/matcher/schema/expression_internal_schema_max_items.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST(InternalSchemaMaxItemsMatchExpression, RejectsNonArrayElements) {
InternalSchemaMaxItemsMatchExpression maxItems("a", 1);
ASSERT(!maxItems.matchesBSON(BSON("a" << BSONObj())));
ASSERT(!maxItems.matchesBSON(BSON("a" << 1)));
ASSERT(!maxItems.matchesBSON(BSON("a"
<< "string")));
}
TEST(InternalSchemaMaxItemsMatchExpression, RejectsArraysWithTooManyElements) {
InternalSchemaMaxItemsMatchExpression maxItems("a", 0);
ASSERT(!maxItems.matchesBSON(BSON("a" << BSON_ARRAY(1))));
ASSERT(!maxItems.matchesBSON(BSON("a" << BSON_ARRAY(1 << 2))));
}
TEST(InternalSchemaMaxItemsMatchExpression, AcceptsArrayWithLessThanOrEqualToMaxElements) {
InternalSchemaMaxItemsMatchExpression maxItems("a", 2);
ASSERT(maxItems.matchesBSON(BSON("a" << BSON_ARRAY(5 << 6))));
ASSERT(maxItems.matchesBSON(BSON("a" << BSON_ARRAY(5))));
}
TEST(InternalSchemaMaxItemsMatchExpression, MaxItemsZeroAllowsEmptyArrays) {
InternalSchemaMaxItemsMatchExpression maxItems("a", 0);
ASSERT(maxItems.matchesBSON(BSON("a" << BSONArray())));
}
TEST(InternalSchemaMaxItemsMatchExpression, NullArrayEntriesCountAsItems) {
InternalSchemaMaxItemsMatchExpression maxItems("a", 2);
ASSERT(maxItems.matchesBSON(BSON("a" << BSON_ARRAY(BSONNULL << 1))));
ASSERT(!maxItems.matchesBSON(BSON("a" << BSON_ARRAY(BSONNULL << 1 << 2))));
}
TEST(InternalSchemaMaxItemsMatchExpression, NestedArraysAreNotUnwound) {
InternalSchemaMaxItemsMatchExpression maxItems("a", 2);
ASSERT(maxItems.matchesBSON(BSON("a" << BSON_ARRAY(BSON_ARRAY(1 << 2 << 3)))));
}
TEST(InternalSchemaMaxItemsMatchExpression, NestedArraysWorkWithDottedPaths) {
InternalSchemaMaxItemsMatchExpression maxItems("a.b", 2);
ASSERT(maxItems.matchesBSON(BSON("a" << BSON("b" << BSON_ARRAY(1)))));
ASSERT(!maxItems.matchesBSON(BSON("a" << BSON("b" << BSON_ARRAY(1 << 2 << 3)))));
}
} // namespace
} // namespace mongo
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