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/*
* AtomicOpsApiCorrectness.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fdbserver/TesterInterface.actor.h"
#include "fdbclient/ReadYourWrites.h"
#include "fdbclient/RunTransaction.actor.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
struct AtomicOpsApiCorrectnessWorkload : TestWorkload {
bool testFailed = false;
uint32_t opType;
private:
static int getApiVersion(const Database &cx) {
return cx->apiVersion;
}
static void setApiVersion(Database *cx, int version) {
(*cx)->apiVersion = version;
}
Key getTestKey(std::string prefix) {
std::string key = prefix + std::to_string(clientId);
return StringRef(key);
}
public:
AtomicOpsApiCorrectnessWorkload(WorkloadContext const& wcx)
: TestWorkload(wcx)
{
opType = getOption(options, LiteralStringRef("opType"), -1);
}
std::string description() const override { return "AtomicOpsApiCorrectness"; }
Future<Void> setup(Database const& cx) override { return Void(); }
Future<Void> start(Database const& cx) override {
if (opType == -1)
opType = sharedRandomNumber % 9;
switch (opType) {
case 0:
TEST(true); //Testing atomic Min
return testMin(cx->clone(), this);
case 1:
TEST(true); //Testing atomic And
return testAnd(cx->clone(), this);
case 2:
TEST(true); //Testing atomic ByteMin
return testByteMin(cx->clone(), this);
case 3:
TEST(true); //Testing atomic ByteMax
return testByteMax(cx->clone(), this);
case 4:
TEST(true); //Testing atomic Or
return testOr(cx->clone(), this);
case 5:
TEST(true); //Testing atomic Max
return testMax(cx->clone(), this);
case 6:
TEST(true); //Testing atomic Xor
return testXor(cx->clone(), this);
case 7:
TEST(true); //Testing atomic Add
return testAdd(cx->clone(), this);
case 8:
TEST(true); // Testing atomic CompareAndClear
return testCompareAndClear(cx->clone(), this);
default:
ASSERT(false);
}
return Void();
}
Future<bool> check(Database const& cx) override { return !testFailed; }
virtual void getMetrics(vector<PerfMetric>& m) override {}
// Test Atomic ops on non existing keys that results in a set
ACTOR Future<Void> testAtomicOpSetOnNonExistingKey(Database cx, AtomicOpsApiCorrectnessWorkload* self, uint32_t opType, Key key) {
state uint64_t intValue = deterministicRandom()->randomInt(0, 10000000);
state Value val = StringRef((const uint8_t*)&intValue, sizeof(intValue));
// Do operation on Storage Server
loop{
try {
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> { tr->clear(key); return Void(); }));
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> { tr->atomicOp(key, val, opType); return Void(); }));
break;
}
catch (Error& e) {
TraceEvent(SevInfo, "AtomicOpApiThrow").detail("ErrCode", e.code());
wait(delay(1));
}
}
{
Optional<Value> outputVal = wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { return tr->get(key); }));
uint64_t output = 0;
ASSERT(outputVal.present() && outputVal.get().size() == sizeof(uint64_t));
memcpy(&output, outputVal.get().begin(), outputVal.get().size());
if (output != intValue) {
TraceEvent(SevError, "AtomicOpSetOnNonExistingKeyUnexpectedOutput").detail("OpOn", "StorageServer").detail("Op", opType).detail("ExpectedOutput", intValue).detail("ActualOutput", output);
self->testFailed = true;
}
}
{
// Do operation on RYW Layer
Optional<Value> outputVal = wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { tr->clear(key); tr->atomicOp(key, val, opType); return tr->get(key); }));
uint64_t output = 0;
ASSERT(outputVal.present() && outputVal.get().size() == sizeof(uint64_t));
memcpy(&output, outputVal.get().begin(), outputVal.get().size());
if (output != intValue) {
TraceEvent(SevError, "AtomicOpSetOnNonExistingKeyUnexpectedOutput").detail("OpOn", "RYWLayer").detail("Op", opType).detail("ExpectedOutput", intValue).detail("ActualOutput", output);
self->testFailed = true;
}
}
return Void();
}
// Test Atomic ops on non existing keys that results in a unset
ACTOR Future<Void> testAtomicOpUnsetOnNonExistingKey(Database cx, AtomicOpsApiCorrectnessWorkload* self, uint32_t opType, Key key) {
state uint64_t intValue = deterministicRandom()->randomInt(0, 10000000);
state Value val = StringRef((const uint8_t*)&intValue, sizeof(intValue));
// Do operation on Storage Server
loop {
try {
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> { tr->clear(key); return Void(); }));
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> { tr->atomicOp(key, val, opType); return Void(); }));
break;
}
catch (Error& e) {
TraceEvent(SevInfo, "AtomicOpApiThrow").detail("ErrCode", e.code());
wait(delay(1));
}
}
{
Optional<Value> outputVal = wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { return tr->get(key); }));
uint64_t output = 0;
ASSERT(outputVal.present() && outputVal.get().size() == sizeof(uint64_t));
memcpy(&output, outputVal.get().begin(), outputVal.get().size());
if (output != 0) {
TraceEvent(SevError, "AtomicOpUnsetOnNonExistingKeyUnexpectedOutput").detail("OpOn", "StorageServer").detail("Op", opType).detail("ExpectedOutput", 0).detail("ActualOutput", output);
self->testFailed = true;
}
}
{
// Do operation on RYW Layer
Optional<Value> outputVal = wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { tr->clear(key); tr->atomicOp(key, val, opType); return tr->get(key); }));
uint64_t output = 0;
ASSERT(outputVal.present() && outputVal.get().size() == sizeof(uint64_t));
memcpy(&output, outputVal.get().begin(), outputVal.get().size());
if (output != 0) {
TraceEvent(SevError, "AtomicOpUnsetOnNonExistingKeyUnexpectedOutput").detail("OpOn", "RYWLayer").detail("Op", opType).detail("ExpectedOutput", 0).detail("ActualOutput", output);
self->testFailed = true;
}
}
return Void();
}
typedef std::function<Value(Value, Value)> DoAtomicOpOnEmptyValueFunction;
// Test Atomic Ops when one of the value is empty
ACTOR Future<Void> testAtomicOpOnEmptyValue(Database cx, AtomicOpsApiCorrectnessWorkload* self, uint32_t opType, Key key, DoAtomicOpOnEmptyValueFunction opFunc) {
state Value existingVal;
state Value otherVal;
state uint64_t val = deterministicRandom()->randomInt(0, 10000000);
if (deterministicRandom()->random01() < 0.5) {
existingVal = StringRef((const uint8_t*)&val, sizeof(val));
otherVal = StringRef();
}
else {
otherVal = StringRef((const uint8_t*)&val, sizeof(val));
existingVal = StringRef();
}
// Do operation on Storage Server
loop{
try {
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> { tr->set(key, existingVal); return Void(); }));
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> { tr->atomicOp(key, otherVal, opType); return Void(); }));
break;
}
catch (Error& e) {
TraceEvent(SevInfo, "AtomicOpApiThrow").detail("ErrCode", e.code());
wait(delay(1));
}
}
{
Optional<Value> outputVal = wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { return tr->get(key); }));
ASSERT(outputVal.present());
Value output = outputVal.get();
if (output != opFunc(existingVal, otherVal)) {
TraceEvent(SevError, "AtomicOpOnEmptyValueUnexpectedOutput").detail("OpOn", "StorageServer").detail("Op", opType).detail("ExpectedOutput", opFunc(existingVal, otherVal).toString()).detail("ActualOutput", output.toString());
self->testFailed = true;
}
}
{
// Do operation on RYW Layer
Optional<Value> outputVal = wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { tr->set(key, existingVal); tr->atomicOp(key, otherVal, opType); return tr->get(key); }));
ASSERT(outputVal.present());
Value output = outputVal.get();
if (output != opFunc(existingVal, otherVal)) {
TraceEvent(SevError, "AtomicOpOnEmptyValueUnexpectedOutput").detail("OpOn", "RYWLayer").detail("Op", opType).detail("ExpectedOutput", opFunc(existingVal, otherVal).toString()).detail("ActualOutput", output.toString());
self->testFailed = true;
}
}
return Void();
}
typedef std::function<uint64_t(uint64_t, uint64_t)> DoAtomicOpFunction;
// Test atomic ops in the normal case when the existing value is present
ACTOR Future<Void> testAtomicOpApi(Database cx, AtomicOpsApiCorrectnessWorkload* self, uint32_t opType, Key key, DoAtomicOpFunction opFunc) {
state uint64_t intValue1 = deterministicRandom()->randomInt(0, 10000000);
state uint64_t intValue2 = deterministicRandom()->randomInt(0, 10000000);
state Value val1 = StringRef((const uint8_t*)&intValue1, sizeof(intValue1));
state Value val2 = StringRef((const uint8_t *)&intValue2, sizeof(intValue2));
// Do operation on Storage Server
loop{
try {
// Set the key to a random value
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> { tr->set(key, val1); return Void(); }));
// Do atomic op
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> { tr->atomicOp(key, val2, opType); return Void(); }));
break;
}
catch (Error& e) {
TraceEvent(SevInfo, "AtomicOpApiThrow").detail("ErrCode", e.code());
wait(delay(1));
}
}
{
// Compare result
Optional<Value> outputVal = wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { return tr->get(key); }));
uint64_t output = 0;
ASSERT(outputVal.present() && outputVal.get().size() == sizeof(uint64_t));
memcpy(&output, outputVal.get().begin(), outputVal.get().size());
if (output != opFunc(intValue1, intValue2)) {
TraceEvent(SevError, "AtomicOpApiCorrectnessUnexpectedOutput").detail("OpOn", "StorageServer").detail("InValue1", intValue1).detail("InValue2", intValue2).detail("AtomicOp", opType).detail("ExpectedOutput", opFunc(intValue1, intValue2)).detail("ActualOutput", output);
self->testFailed = true;
}
}
{
// Do operation at RYW layer
Optional<Value> outputVal = wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { tr->set(key, val1); tr->atomicOp(key, val2, opType); return tr->get(key); }));
// Compare result
uint64_t output = 0;
ASSERT(outputVal.present() && outputVal.get().size() == sizeof(uint64_t));
memcpy(&output, outputVal.get().begin(), outputVal.get().size());
if (output != opFunc(intValue1, intValue2)) {
TraceEvent(SevError, "AtomicOpApiCorrectnessUnexpectedOutput").detail("OpOn", "RYWLayer").detail("InValue1", intValue1).detail("InValue2", intValue2).detail("AtomicOp", opType).detail("ExpectedOutput", opFunc(intValue1, intValue2)).detail("ActualOutput", output);
self->testFailed = true;
}
}
return Void();
}
ACTOR Future<Void> testCompareAndClearAtomicOpApi(Database cx, AtomicOpsApiCorrectnessWorkload* self, Key key,
bool keySet) {
state uint64_t opType = MutationRef::CompareAndClear;
state uint64_t intValue1 = deterministicRandom()->randomInt(0, 10000000);
state uint64_t intValue2 = deterministicRandom()->coinflip() ? intValue1 : deterministicRandom()->randomInt(0, 10000000);
state Value val1 = StringRef((const uint8_t*)&intValue1, sizeof(intValue1));
state Value val2 = StringRef((const uint8_t*)&intValue2, sizeof(intValue2));
state std::function<Optional<uint64_t>(uint64_t, uint64_t)> opFunc = [keySet](uint64_t val1, uint64_t val2) {
if (!keySet || val1 == val2) {
return Optional<uint64_t>();
} else {
return Optional<uint64_t>(val1);
}
};
// Do operation on Storage Server
loop {
try {
// Set the key to a random value
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> {
if (keySet) {
tr->set(key, val1);
} else {
tr->clear(key);
}
return Void();
}));
// Do atomic op
wait(runRYWTransactionNoRetry(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Void> {
tr->atomicOp(key, val2, opType);
return Void();
}));
break;
} catch (Error& e) {
TraceEvent(SevInfo, "AtomicOpApiThrow").detail("ErrCode", e.code());
wait(delay(1));
}
}
state Optional<uint64_t> expectedOutput;
{
// Compare result
Optional<Value> outputVal = wait(runRYWTransaction(
cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> { return tr->get(key); }));
Optional<uint64_t> expectedOutput_ = opFunc(intValue1, intValue2);
expectedOutput = expectedOutput_;
ASSERT(outputVal.present() == expectedOutput.present());
if (outputVal.present()) {
uint64_t output = 0;
ASSERT(outputVal.get().size() == sizeof(uint64_t));
memcpy(&output, outputVal.get().begin(), outputVal.get().size());
if (output != expectedOutput.get()) {
TraceEvent(SevError, "AtomicOpApiCorrectnessUnexpectedOutput")
.detail("OpOn", "StorageServer")
.detail("InValue1", intValue1)
.detail("InValue2", intValue2)
.detail("AtomicOp", opType)
.detail("ExpectedOutput", expectedOutput.get())
.detail("ActualOutput", output);
self->testFailed = true;
}
}
}
{
// Do operation at RYW layer
Optional<Value> outputVal =
wait(runRYWTransaction(cx, [=](Reference<ReadYourWritesTransaction> tr) -> Future<Optional<Value>> {
if (keySet) {
tr->set(key, val1);
} else {
tr->clear(key);
}
tr->atomicOp(key, val2, opType);
return tr->get(key);
}));
// Compare result
ASSERT(outputVal.present() == expectedOutput.present());
if (outputVal.present()) {
uint64_t output = 0;
ASSERT(outputVal.get().size() == sizeof(uint64_t));
memcpy(&output, outputVal.get().begin(), outputVal.get().size());
if (output != expectedOutput.get()) {
TraceEvent(SevError, "AtomicOpApiCorrectnessUnexpectedOutput")
.detail("OpOn", "RYWLayer")
.detail("InValue1", intValue1)
.detail("InValue2", intValue2)
.detail("AtomicOp", opType)
.detail("ExpectedOutput", expectedOutput.get())
.detail("ActualOutput", output);
self->testFailed = true;
}
}
}
return Void();
}
ACTOR Future<Void> testMin(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state int currentApiVersion = getApiVersion(cx);
state Key key = self->getTestKey("test_key_min_");
TraceEvent("AtomicOpCorrectnessApiWorkload").detail("OpType", "MIN");
// API Version 500
setApiVersion(&cx, 500);
TraceEvent(SevInfo, "Running Atomic Op Min Correctness Test Api Version 500");
wait(self->testAtomicOpUnsetOnNonExistingKey(cx, self, MutationRef::Min, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::Min, key, [](uint64_t val1, uint64_t val2) { return val1 < val2 ? val1 : val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::Min, key, [](Value v1, Value v2) -> Value { uint64_t zeroVal = 0; if (v2.size() == 0) return StringRef(); else return StringRef((const uint8_t*)&zeroVal, sizeof(zeroVal)); }));
// Current API Version
setApiVersion(&cx, currentApiVersion);
TraceEvent(SevInfo, "Running Atomic Op Min Correctness Current Api Version").detail("Version", currentApiVersion);
wait(self->testAtomicOpSetOnNonExistingKey(cx, self, MutationRef::Min, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::Min, key, [](uint64_t val1, uint64_t val2) { return val1 < val2 ? val1 : val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::Min, key, [](Value v1, Value v2) -> Value { uint64_t zeroVal = 0; if (v2.size() == 0) return StringRef(); else return StringRef((const uint8_t*)&zeroVal, sizeof(zeroVal)); }));
return Void();
}
ACTOR Future<Void> testMax(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state Key key = self->getTestKey("test_key_max_");
TraceEvent(SevInfo, "Running Atomic Op MAX Correctness Current Api Version");
wait(self->testAtomicOpSetOnNonExistingKey(cx, self, MutationRef::Max, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::Max, key, [](uint64_t val1, uint64_t val2) { return val1 > val2 ? val1 : val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::Max, key, [](Value v1, Value v2) -> Value { return v2.size() ? v2 : StringRef(); }));
return Void();
}
ACTOR Future<Void> testAnd(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state int currentApiVersion = getApiVersion(cx);
state Key key = self->getTestKey("test_key_and_");
TraceEvent("AtomicOpCorrectnessApiWorkload").detail("OpType", "AND");
// API Version 500
setApiVersion(&cx, 500);
TraceEvent(SevInfo, "Running Atomic Op AND Correctness Test Api Version 500");
wait(self->testAtomicOpUnsetOnNonExistingKey(cx, self, MutationRef::And, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::And, key, [](uint64_t val1, uint64_t val2) { return val1 & val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::And, key, [](Value v1, Value v2) -> Value { uint64_t zeroVal = 0; if (v2.size() == 0) return StringRef(); else return StringRef((const uint8_t*)&zeroVal, sizeof(zeroVal)); }));
// Current API Version
setApiVersion(&cx, currentApiVersion);
TraceEvent(SevInfo, "Running Atomic Op AND Correctness Current Api Version").detail("Version", currentApiVersion);
wait(self->testAtomicOpSetOnNonExistingKey(cx, self, MutationRef::And, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::And, key, [](uint64_t val1, uint64_t val2) { return val1 & val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::And, key, [](Value v1, Value v2) -> Value { uint64_t zeroVal = 0; if (v2.size() == 0) return StringRef(); else return StringRef((const uint8_t*)&zeroVal, sizeof(zeroVal)); }));
return Void();
}
ACTOR Future<Void> testOr(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state Key key = self->getTestKey("test_key_or_");
TraceEvent(SevInfo, "Running Atomic Op OR Correctness Current Api Version");
wait(self->testAtomicOpSetOnNonExistingKey(cx, self, MutationRef::Or, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::Or, key, [](uint64_t val1, uint64_t val2) { return val1 | val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::Or, key, [](Value v1, Value v2) -> Value { return v2.size() ? v2 : StringRef(); }));
return Void();
}
ACTOR Future<Void> testXor(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state Key key = self->getTestKey("test_key_xor_");
TraceEvent(SevInfo, "Running Atomic Op XOR Correctness Current Api Version");
wait(self->testAtomicOpSetOnNonExistingKey(cx, self, MutationRef::Xor, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::Xor, key, [](uint64_t val1, uint64_t val2) { return val1 ^ val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::Xor, key, [](Value v1, Value v2) -> Value { return v2.size() ? v2 : StringRef(); }));
return Void();
}
ACTOR Future<Void> testAdd(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state Key key = self->getTestKey("test_key_add_");
TraceEvent(SevInfo, "Running Atomic Op ADD Correctness Current Api Version");
wait(self->testAtomicOpSetOnNonExistingKey(cx, self, MutationRef::AddValue, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::AddValue, key, [](uint64_t val1, uint64_t val2) { return val1 + val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::AddValue, key, [](Value v1, Value v2) -> Value { return v2.size() ? v2 : StringRef(); }));
return Void();
}
ACTOR Future<Void> testCompareAndClear(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state Key key = self->getTestKey("test_key_compare_and_clear_");
TraceEvent(SevInfo, "Running Atomic Op COMPARE_AND_CLEAR Correctness Current Api Version");
wait(self->testCompareAndClearAtomicOpApi(cx, self, key, true));
wait(self->testCompareAndClearAtomicOpApi(cx, self, key, false));
return Void();
}
ACTOR Future<Void> testByteMin(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state Key key = self->getTestKey("test_key_byte_min_");
TraceEvent(SevInfo, "Running Atomic Op BYTE_MIN Correctness Current Api Version");
wait(self->testAtomicOpSetOnNonExistingKey(cx, self, MutationRef::ByteMin, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::ByteMin, key, [](uint64_t val1, uint64_t val2) { return StringRef((const uint8_t *)&val1, sizeof(val1)) < StringRef((const uint8_t *)&val2, sizeof(val2)) ? val1 : val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::ByteMin, key, [](Value v1, Value v2) -> Value { return StringRef(); }));
return Void();
}
ACTOR Future<Void> testByteMax(Database cx, AtomicOpsApiCorrectnessWorkload* self) {
state Key key = self->getTestKey("test_key_byte_max_");
TraceEvent(SevInfo, "Running Atomic Op BYTE_MAX Correctness Current Api Version");
wait(self->testAtomicOpSetOnNonExistingKey(cx, self, MutationRef::ByteMax, key));
wait(self->testAtomicOpApi(cx, self, MutationRef::ByteMax, key, [](uint64_t val1, uint64_t val2) { return StringRef((const uint8_t *)&val1, sizeof(val1)) > StringRef((const uint8_t *)&val2, sizeof(val2)) ? val1 : val2; }));
wait(self->testAtomicOpOnEmptyValue(cx, self, MutationRef::ByteMax, key, [](Value v1, Value v2) -> Value { return v1.size() ? v1 : v2; }));
return Void();
}
};
WorkloadFactory<AtomicOpsApiCorrectnessWorkload> AtomicOpsApiCorrectnessWorkloadFactory("AtomicOpsApiCorrectness");
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