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/**
* Copyright (C) 2019-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/shell/shell_utils.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/assert_util.h"
namespace mongo {
namespace {
TEST(ShellUtils, BalancedTest) {
using shell_utils::isBalanced;
struct {
std::string in;
bool isBalanced;
} specs[] = {{"x = 5", true},
{"function(){}", true},
{"function(){\n}", true},
{"function(){", false},
{R"(x = "{";)", true},
{"// {", true},
{"// \n {", false},
{R"("//" {)", false},
{R"({x:/x\//})", true},
{R"({ \/// })", false},
{"x = 5 + y ", true},
{"x = ", false},
{"x = // hello", false},
{"x = 5 +", false},
{" x ++", true},
{"-- x", true},
{"a.", false},
{"a. ", false},
{"a.b", true},
// SERVER-5809 and related cases --
{R"(a = {s:"\""})", true},
{R"(db.test.save({s:"\""}))", true},
{R"(printjson(" \" "))", true}, //-- SERVER-8554
{R"(var a = "\\";)", true},
{R"(var a = ("\\") //")", true},
{R"(var a = ("\\") //\")", true},
{R"(var a = ("\\") //\")", true},
{R"(var a = ("\\") //)", true},
{R"(var a = ("\\"))", true},
{R"(var a = ("\\\""))", true},
{R"(var a = ("\\" //")", false},
{R"(var a = ("\\" //)", false},
{R"(var a = ("\\")", false}};
for (const auto& spec : specs) {
ASSERT_EQUALS(isBalanced(spec.in), spec.isBalanced);
}
}
} // namespace
} // namespace mongo
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