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// expression_parser_test.cpp
/**
* Copyright (C) 2013 10gen 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/unittest/unittest.h"
#include "mongo/db/matcher/expression_parser.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/json.h"
#include "mongo/db/matcher/expression.h"
#include "mongo/db/matcher/expression_leaf.h"
namespace mongo {
TEST(MatchExpressionParserTest, SimpleEQ1) {
BSONObj query = BSON("x" << 2);
StatusWithMatchExpression result = MatchExpressionParser::parse(query);
ASSERT_TRUE(result.isOK());
ASSERT(result.getValue()->matchesBSON(BSON("x" << 2)));
ASSERT(!result.getValue()->matchesBSON(BSON("x" << 3)));
}
TEST(MatchExpressionParserTest, Multiple1) {
BSONObj query = BSON("x" << 5 << "y" << BSON("$gt" << 5 << "$lt" << 8));
StatusWithMatchExpression result = MatchExpressionParser::parse(query);
ASSERT_TRUE(result.isOK());
ASSERT(result.getValue()->matchesBSON(BSON("x" << 5 << "y" << 7)));
ASSERT(result.getValue()->matchesBSON(BSON("x" << 5 << "y" << 6)));
ASSERT(!result.getValue()->matchesBSON(BSON("x" << 6 << "y" << 7)));
ASSERT(!result.getValue()->matchesBSON(BSON("x" << 5 << "y" << 9)));
ASSERT(!result.getValue()->matchesBSON(BSON("x" << 5 << "y" << 4)));
}
TEST(AtomicMatchExpressionTest, Simple1) {
BSONObj query = BSON("x" << 5 << "$atomic" << BSON("$gt" << 5 << "$lt" << 8));
StatusWithMatchExpression result = MatchExpressionParser::parse(query);
ASSERT_TRUE(result.isOK());
query = BSON("x" << 5 << "$isolated" << 1);
result = MatchExpressionParser::parse(query);
ASSERT_TRUE(result.isOK());
query = BSON("x" << 5 << "y" << BSON("$isolated" << 1));
result = MatchExpressionParser::parse(query);
ASSERT_FALSE(result.isOK());
}
StatusWith<int> fib(int n) {
if (n < 0)
return StatusWith<int>(ErrorCodes::BadValue, "paramter to fib has to be >= 0");
if (n <= 1)
return StatusWith<int>(1);
StatusWith<int> a = fib(n - 1);
StatusWith<int> b = fib(n - 2);
if (!a.isOK())
return a;
if (!b.isOK())
return b;
return StatusWith<int>(a.getValue() + b.getValue());
}
TEST(StatusWithTest, Fib1) {
StatusWith<int> x = fib(-2);
ASSERT(!x.isOK());
x = fib(0);
ASSERT(x.isOK());
ASSERT(1 == x.getValue());
x = fib(1);
ASSERT(x.isOK());
ASSERT(1 == x.getValue());
x = fib(2);
ASSERT(x.isOK());
ASSERT(2 == x.getValue());
x = fib(3);
ASSERT(x.isOK());
ASSERT(3 == x.getValue());
}
}
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