48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
/*
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* Atomic.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fdbclient/Atomic.h"
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#include "flow/Arena.h"
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#include "flow/UnitTest.h"
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void forceLinkAtomicTests() {}
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TEST_CASE("/Atomic/DoAppendIfFits") {
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Arena arena;
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{
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Value existingValue = ValueRef(arena, "existing"_sr);
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Value otherOperand = ValueRef(arena, "other"_sr);
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auto result = doAppendIfFits(existingValue, otherOperand, arena);
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ASSERT(compare("existingother"_sr, result) == 0);
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}
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{
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Value existingValue = makeString(CLIENT_KNOBS->VALUE_SIZE_LIMIT - 1, arena);
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Value otherOperand = makeString(2, arena);
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deterministicRandom()->randomBytes(mutateString(existingValue), existingValue.size());
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deterministicRandom()->randomBytes(mutateString(otherOperand), otherOperand.size());
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// Appended values cannot fit in result, should return existingValue
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auto result = doAppendIfFits(existingValue, otherOperand, arena);
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ASSERT(compare(existingValue, result) == 0);
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}
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return Void();
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}
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// TODO: Add more unit tests for atomic operations defined in Atomic.h
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