foundationdb/fdbclient/Tenant.cpp

58 lines
2.3 KiB
C++

/*
* Tenant.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2022 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 "fdbclient/SystemData.h"
#include "fdbclient/Tenant.h"
#include "flow/UnitTest.h"
TEST_CASE("/fdbclient/TenantMapEntry/Serialization") {
TenantMapEntry entry1(1, ""_sr);
ASSERT(entry1.prefix == "\x00\x00\x00\x00\x00\x00\x00\x01"_sr);
TenantMapEntry entry2 = decodeTenantEntry(encodeTenantEntry(entry1));
ASSERT(entry1.id == entry2.id && entry1.prefix == entry2.prefix);
TenantMapEntry entry3(std::numeric_limits<int64_t>::max(), "foo"_sr);
ASSERT(entry3.prefix == "foo\xfe\xff\xff\xff\xff\xff\xff\xff"_sr);
TenantMapEntry entry4 = decodeTenantEntry(encodeTenantEntry(entry3));
ASSERT(entry3.id == entry4.id && entry3.prefix == entry4.prefix);
for (int i = 0; i < 100; ++i) {
int bits = deterministicRandom()->randomInt(1, 64);
int64_t min = bits == 1 ? 0 : (1 << (bits - 1));
int64_t maxPlusOne = std::min<uint64_t>(1 << bits, std::numeric_limits<int64_t>::max());
int64_t id = deterministicRandom()->randomInt64(min, maxPlusOne);
int subspaceLength = deterministicRandom()->randomInt(0, 20);
Standalone<StringRef> subspace = makeString(subspaceLength);
generateRandomData(mutateString(subspace), subspaceLength);
TenantMapEntry entry(id, subspace);
int64_t bigEndianId = bigEndian64(id);
ASSERT(entry.id == id && entry.prefix.startsWith(subspace) &&
entry.prefix.endsWith(StringRef(reinterpret_cast<uint8_t*>(&bigEndianId), 8)) &&
entry.prefix.size() == subspaceLength + 8);
TenantMapEntry decodedEntry = decodeTenantEntry(encodeTenantEntry(entry));
ASSERT(decodedEntry.id = entry.id && decodedEntry.prefix == entry.prefix);
}
return Void();
}