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/**
* Copyright (C) 2020-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/db/exec/sbe/expression_test_base.h"
namespace mongo::sbe {
using SBEBsonSizeTest = EExpressionTestFixture;
TEST_F(SBEBsonSizeTest, ComputesSizeForBsonDocument) {
value::ViewOfValueAccessor slotAccessor;
auto argSlot = bindAccessor(&slotAccessor);
auto bsonSizeExpr =
sbe::makeE<sbe::EFunction>("bsonSize", sbe::makeEs(makeE<EVariable>(argSlot)));
auto compiledExpr = compileExpression(*bsonSizeExpr);
BSONObjBuilder objBuilder;
objBuilder.append("name", "Test string element");
objBuilder.append("age", 32);
objBuilder.append("citizen", true);
auto bsonObj = objBuilder.done();
slotAccessor.reset(value::TypeTags::bsonObject,
value::bitcastFrom<const char*>(bsonObj.objdata()));
auto [tag, val] = runCompiledExpression(compiledExpr.get());
value::ValueGuard guard(tag, val);
ASSERT_EQUALS(value::TypeTags::NumberInt32, tag);
ASSERT_EQUALS(value::bitcastTo<int32_t>(val), bsonObj.objsize());
}
TEST_F(SBEBsonSizeTest, ComputesSizeForSbeObject) {
value::ViewOfValueAccessor slotAccessor;
auto argSlot = bindAccessor(&slotAccessor);
auto bsonSizeExpr =
sbe::makeE<sbe::EFunction>("bsonSize", sbe::makeEs(makeE<EVariable>(argSlot)));
auto compiledExpr = compileExpression(*bsonSizeExpr);
auto [tagArg1, valArg1] = value::makeNewString("Test string element");
auto [tagArg2, valArg2] = value::makeNewObject();
auto obj = value::getObjectView(valArg2);
obj->push_back("name", tagArg1, valArg1);
obj->push_back("age", value::TypeTags::NumberInt32, value::bitcastFrom<int32_t>(32));
obj->push_back("citizen", value::TypeTags::Boolean, value::bitcastFrom<bool>(true));
value::ValueGuard argGuard(tagArg2, valArg2);
slotAccessor.reset(value::TypeTags::Object, valArg2);
auto [tag, val] = runCompiledExpression(compiledExpr.get());
value::ValueGuard guard(tag, val);
ASSERT_EQUALS(value::TypeTags::NumberInt32, tag);
ASSERT_EQUALS(value::bitcastTo<int32_t>(val), 54);
}
TEST_F(SBEBsonSizeTest, ReturnsNothingForNonObject) {
value::ViewOfValueAccessor slotAccessor;
auto argSlot = bindAccessor(&slotAccessor);
auto bsonSizeExpr =
sbe::makeE<sbe::EFunction>("bsonSize", sbe::makeEs(makeE<EVariable>(argSlot)));
auto compiledExpr = compileExpression(*bsonSizeExpr);
auto [tagArg1, valArg1] = value::makeNewString("Test string element");
value::ValueGuard guard1(tagArg1, valArg1);
auto [tagArg2, valArg2] = value::makeNewArray();
value::ValueGuard guard2(tagArg2, valArg2);
auto arr = value::getArrayView(valArg2);
arr->push_back(value::TypeTags::NumberInt32, value::bitcastFrom<int32_t>(32));
auto [tagArg3, valArg3] = value::copyValue(tagArg1, valArg1);
arr->push_back(tagArg3, valArg3);
std::vector<std::pair<value::TypeTags, value::Value>> testData = {
std::make_pair(value::TypeTags::NumberInt32, value::bitcastFrom<int32_t>(12789)),
std::make_pair(tagArg1, valArg1),
std::make_pair(tagArg2, valArg2)};
for (size_t i = 0; i < testData.size(); i++) {
slotAccessor.reset(testData[i].first, testData[i].second);
auto [tag, val] = runCompiledExpression(compiledExpr.get());
value::ValueGuard guard(tag, val);
ASSERT_EQUALS(value::TypeTags::Nothing, tag);
}
}
} // namespace mongo::sbe
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