| /* |
| * 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 <cppunit/TestFixture.h> |
| #include <cppunit/extensions/HelperMacros.h> |
| |
| #include "cpc_union.hpp" |
| |
| namespace datasketches { |
| |
| static const double RELATIVE_ERROR_FOR_LG_K_11 = 0.02; |
| |
| class cpc_union_test: public CppUnit::TestFixture { |
| |
| CPPUNIT_TEST_SUITE(cpc_union_test); |
| CPPUNIT_TEST(lg_k_limits); |
| CPPUNIT_TEST(empty); |
| CPPUNIT_TEST(copy); |
| CPPUNIT_TEST(custom_seed); |
| CPPUNIT_TEST_SUITE_END(); |
| |
| void lg_k_limits() { |
| cpc_union u1(CPC_MIN_LG_K); // this should work |
| cpc_union u2(CPC_MAX_LG_K); // this should work |
| CPPUNIT_ASSERT_THROW(cpc_union u3(CPC_MIN_LG_K - 1), std::invalid_argument); |
| CPPUNIT_ASSERT_THROW(cpc_union u4(CPC_MAX_LG_K + 1), std::invalid_argument); |
| } |
| |
| void empty() { |
| cpc_union u(11); |
| auto sketch_ptr(u.get_result()); |
| CPPUNIT_ASSERT(sketch_ptr->is_empty()); |
| CPPUNIT_ASSERT_EQUAL(0.0, sketch_ptr->get_estimate()); |
| } |
| |
| void copy() { |
| cpc_sketch s(11); |
| s.update(1); |
| cpc_union u1(11); |
| u1.update(s); |
| |
| cpc_union u2 = u1; // copy constructor |
| auto sp1(u2.get_result()); |
| CPPUNIT_ASSERT(!sp1->is_empty()); |
| CPPUNIT_ASSERT_DOUBLES_EQUAL(1, sp1->get_estimate(), RELATIVE_ERROR_FOR_LG_K_11); |
| s.update(2); |
| u2.update(s); |
| u1 = u2; // operator= |
| auto sp2(u1.get_result()); |
| CPPUNIT_ASSERT(!sp2->is_empty()); |
| CPPUNIT_ASSERT_DOUBLES_EQUAL(2, sp2->get_estimate(), RELATIVE_ERROR_FOR_LG_K_11); |
| } |
| |
| void custom_seed() { |
| cpc_sketch s(11, 123); |
| |
| s.update(1); |
| s.update(2); |
| s.update(3); |
| |
| cpc_union u1(11, 123); |
| u1.update(s); |
| auto sp(u1.get_result()); |
| CPPUNIT_ASSERT(!sp->is_empty()); |
| CPPUNIT_ASSERT_DOUBLES_EQUAL(3, sp->get_estimate(), RELATIVE_ERROR_FOR_LG_K_11); |
| |
| // incompatible seed |
| cpc_union u2(11, 234); |
| CPPUNIT_ASSERT_THROW(u2.update(s), std::invalid_argument); |
| } |
| |
| }; |
| |
| CPPUNIT_TEST_SUITE_REGISTRATION(cpc_union_test); |
| |
| } /* namespace datasketches */ |