| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 "hll.hpp" |
| #include "CouponHashSet.hpp" |
| #include "HllUtil.hpp" |
| |
| #include <cppunit/TestFixture.h> |
| #include <cppunit/extensions/HelperMacros.h> |
| #include <ostream> |
| #include <cmath> |
| #include <string> |
| #include <exception> |
| |
| namespace datasketches { |
| |
| class CouponHashSetTest : public CppUnit::TestFixture { |
| |
| CPPUNIT_TEST_SUITE(CouponHashSetTest); |
| CPPUNIT_TEST(checkCorruptBytearray); |
| CPPUNIT_TEST(checkCorruptStream); |
| CPPUNIT_TEST_SUITE_END(); |
| |
| void checkCorruptBytearray() { |
| int lgK = 8; |
| hll_sketch sk1(lgK); |
| for (int i = 0; i < 24; ++i) { |
| sk1.update(i); |
| } |
| std::pair<std::unique_ptr<uint8_t, std::function<void(uint8_t*)>>, const size_t> sketchBytes = sk1.serialize_updatable(); |
| uint8_t* bytes = sketchBytes.first.get(); |
| |
| bytes[HllUtil<>::PREAMBLE_INTS_BYTE] = 0; |
| // fail in HllSketchImpl |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in preInts byte", |
| hll_sketch::deserialize(bytes, sketchBytes.second), |
| std::invalid_argument); |
| // fail in CouponHashSet |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in preInts byte", |
| CouponHashSet<>::newSet(bytes, sketchBytes.second), |
| std::invalid_argument); |
| bytes[HllUtil<>::PREAMBLE_INTS_BYTE] = HllUtil<>::HASH_SET_PREINTS; |
| |
| bytes[HllUtil<>::SER_VER_BYTE] = 0; |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in serialization version byte", |
| hll_sketch::deserialize(bytes, sketchBytes.second), |
| std::invalid_argument); |
| bytes[HllUtil<>::SER_VER_BYTE] = HllUtil<>::SER_VER; |
| |
| bytes[HllUtil<>::FAMILY_BYTE] = 0; |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in family id byte", |
| hll_sketch::deserialize(bytes, sketchBytes.second), |
| std::invalid_argument); |
| bytes[HllUtil<>::FAMILY_BYTE] = HllUtil<>::FAMILY_ID; |
| |
| bytes[HllUtil<>::LG_K_BYTE] = 6; |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect too small a lgK for Set mode", |
| hll_sketch::deserialize(bytes, sketchBytes.second), |
| std::invalid_argument); |
| bytes[HllUtil<>::LG_K_BYTE] = lgK; |
| |
| uint8_t tmp = bytes[HllUtil<>::MODE_BYTE]; |
| bytes[HllUtil<>::MODE_BYTE] = 0x10; // HLL_6, LIST |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in mode byte", |
| hll_sketch::deserialize(bytes, sketchBytes.second), |
| std::invalid_argument); |
| bytes[HllUtil<>::MODE_BYTE] = tmp; |
| |
| tmp = bytes[HllUtil<>::LG_ARR_BYTE]; |
| bytes[HllUtil<>::LG_ARR_BYTE] = 0; |
| hll_sketch::deserialize(bytes, sketchBytes.second); |
| // should work fine despite the corruption |
| bytes[HllUtil<>::LG_ARR_BYTE] = tmp; |
| |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in serialized length", |
| hll_sketch::deserialize(bytes, sketchBytes.second - 1), |
| std::invalid_argument); |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in serialized length", |
| hll_sketch::deserialize(bytes, 3), |
| std::invalid_argument); |
| } |
| |
| void checkCorruptStream() { |
| int lgK = 9; |
| hll_sketch sk1(lgK); |
| for (int i = 0; i < 24; ++i) { |
| sk1.update(i); |
| } |
| std::stringstream ss; |
| sk1.serialize_compact(ss); |
| |
| ss.seekp(HllUtil<>::PREAMBLE_INTS_BYTE); |
| ss.put(0); |
| ss.seekg(0); |
| // fail in HllSketchImpl |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in preInts byte", |
| hll_sketch::deserialize(ss), |
| std::invalid_argument); |
| // fail in CouponHashSet |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in preInts byte", |
| CouponHashSet<>::newSet(ss), |
| std::invalid_argument); |
| ss.seekp(HllUtil<>::PREAMBLE_INTS_BYTE); |
| ss.put(HllUtil<>::HASH_SET_PREINTS); |
| |
| ss.seekp(HllUtil<>::SER_VER_BYTE); |
| ss.put(0); |
| ss.seekg(0); |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in serialization version byte", |
| hll_sketch::deserialize(ss), |
| std::invalid_argument); |
| ss.seekp(HllUtil<>::SER_VER_BYTE); |
| ss.put(HllUtil<>::SER_VER); |
| |
| ss.seekp(HllUtil<>::FAMILY_BYTE); |
| ss.put(0); |
| ss.seekg(0); |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in family id byte", |
| hll_sketch::deserialize(ss), |
| std::invalid_argument); |
| ss.seekp(HllUtil<>::FAMILY_BYTE); |
| ss.put(HllUtil<>::FAMILY_ID); |
| |
| ss.seekg(HllUtil<>::MODE_BYTE); |
| uint8_t tmp = ss.get(); |
| ss.seekp(HllUtil<>::MODE_BYTE); |
| ss.put(0x22); // HLL_8, HLL |
| ss.seekg(0); |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to detect error in mode byte", |
| hll_sketch::deserialize(ss), |
| std::invalid_argument); |
| ss.seekp(HllUtil<>::MODE_BYTE); |
| ss.put(tmp); |
| |
| ss.seekg(HllUtil<>::LG_ARR_BYTE); |
| tmp = ss.get(); |
| ss.seekp(HllUtil<>::LG_ARR_BYTE); |
| ss.put(0); |
| ss.seekg(0); |
| hll_sketch::deserialize(ss); |
| // should work fine despite the corruption |
| ss.seekp(HllUtil<>::LG_ARR_BYTE); |
| ss.put(tmp); |
| } |
| }; |
| |
| CPPUNIT_TEST_SUITE_REGISTRATION(CouponHashSetTest); |
| |
| } // namespace datasketches |