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/**
* Copyright (C) 2021-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 SBELambdaTest = EExpressionTestFixture;
TEST_F(SBELambdaTest, TraverseP_AddOneToArray) {
value::ViewOfValueAccessor slotAccessor;
auto argSlot = bindAccessor(&slotAccessor);
FrameId frame = 10;
auto expr = sbe::makeE<sbe::EFunction>(
"traverseP",
sbe::makeEs(makeE<EVariable>(argSlot),
makeE<ELocalLambda>(frame,
makeE<EPrimBinary>(EPrimBinary::Op::add,
makeE<EVariable>(frame, 0),
makeC(makeInt32(1)))),
makeC(makeNothing())));
auto compiledExpr = compileExpression(*expr);
auto bsonArr = BSON_ARRAY(1 << 2 << 3);
slotAccessor.reset(value::TypeTags::bsonArray,
value::bitcastFrom<const char*>(bsonArr.objdata()));
auto [tag, val] = runCompiledExpression(compiledExpr.get());
value::ValueGuard guard(tag, val);
auto [tagExpected, valExpected] = makeArray(BSON_ARRAY(2 << 3 << 4));
value::ValueGuard expectedGuard(tagExpected, valExpected);
ASSERT_THAT(std::make_pair(tag, val), ValueEq(std::make_pair(tagExpected, valExpected)));
}
TEST_F(SBELambdaTest, TraverseF_OpEq) {
value::ViewOfValueAccessor slotAccessor;
auto argSlot = bindAccessor(&slotAccessor);
FrameId frame = 10;
auto expr = sbe::makeE<sbe::EFunction>(
"traverseF",
sbe::makeEs(makeE<EVariable>(argSlot),
makeE<ELocalLambda>(frame,
makeE<EPrimBinary>(EPrimBinary::Op::eq,
makeE<EVariable>(frame, 0),
makeC(makeInt32(3)))),
makeC(makeNothing())));
auto compiledExpr = compileExpression(*expr);
auto bsonArr = BSON_ARRAY(1 << 2 << 3 << 4);
slotAccessor.reset(value::TypeTags::bsonArray,
value::bitcastFrom<const char*>(bsonArr.objdata()));
auto [tag, val] = runCompiledExpression(compiledExpr.get());
value::ValueGuard guard(tag, val);
ASSERT_THAT(std::make_pair(tag, val), ValueEq(makeBool(true)));
}
TEST_F(SBELambdaTest, TraverseF_WithLocalBind) {
value::ViewOfValueAccessor slotAccessor;
auto argSlot = bindAccessor(&slotAccessor);
FrameId frame1 = 10;
FrameId frame2 = 20;
auto traverseExpr = sbe::makeE<sbe::EFunction>(
"traverseF",
sbe::makeEs(makeE<EVariable>(frame2, 0),
makeE<ELocalLambda>(frame1,
makeE<EPrimBinary>(EPrimBinary::Op::eq,
makeE<EVariable>(frame1, 0),
makeC(makeInt32(3)))),
makeC(makeNothing())));
auto ifExpr = sbe::makeE<sbe::EIf>(std::move(traverseExpr),
sbe::makeE<EVariable>(frame2, 1),
sbe::makeE<EVariable>(frame2, 2));
auto expr = sbe::makeE<ELocalBind>(
frame2,
makeEs(makeE<EVariable>(argSlot), makeC(makeInt32(10)), makeC(makeInt32(20))),
std::move(ifExpr));
auto compiledExpr = compileExpression(*expr);
auto bsonArr = BSON_ARRAY(1 << 2 << 3 << 4);
slotAccessor.reset(value::TypeTags::bsonArray,
value::bitcastFrom<const char*>(bsonArr.objdata()));
auto [tag, val] = runCompiledExpression(compiledExpr.get());
value::ValueGuard guard(tag, val);
ASSERT_THAT(std::make_pair(tag, val), ValueEq(makeInt32(10)));
}
} // namespace mongo::sbe
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