| /* |
| * 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 <catch2/catch.hpp> |
| #include <fstream> |
| |
| #include "array_of_doubles_sketch.hpp" |
| |
| namespace datasketches { |
| |
| TEST_CASE("aod sketch generate one value", "[serialize_for_java]") { |
| const unsigned n_arr[] = {0, 1, 10, 100, 1000, 10000, 100000, 1000000}; |
| for (const unsigned n: n_arr) { |
| auto sketch = update_array_of_doubles_sketch::builder().build(); |
| for (unsigned i = 0; i < n; ++i) sketch.update(i, std::vector<double>(1, i)); |
| REQUIRE(sketch.is_empty() == (n == 0)); |
| REQUIRE(sketch.get_estimate() == Approx(n).margin(n * 0.03)); |
| std::ofstream os("aod_1_n" + std::to_string(n) + "_cpp.sk", std::ios::binary); |
| sketch.compact().serialize(os); |
| } |
| } |
| |
| TEST_CASE("aod sketch generate three values", "[serialize_for_java]") { |
| const unsigned n_arr[] = {0, 1, 10, 100, 1000, 10000, 100000, 1000000}; |
| for (const unsigned n: n_arr) { |
| auto sketch = update_array_of_doubles_sketch::builder(3).build(); |
| for (unsigned i = 0; i < n; ++i) sketch.update(i, std::vector<double>(3, i)); |
| REQUIRE(sketch.is_empty() == (n == 0)); |
| REQUIRE(sketch.get_estimate() == Approx(n).margin(n * 0.03)); |
| std::ofstream os("aod_3_n" + std::to_string(n) + "_cpp.sk", std::ios::binary); |
| sketch.compact().serialize(os); |
| } |
| } |
| |
| TEST_CASE("aod sketch generate non-empty no entries", "[serialize_for_java]") { |
| auto sketch = update_array_of_doubles_sketch::builder().set_p(0.01).build(); |
| // here we rely on the fact that hash of 1 happens to be greater than 0.01 (when normalized) |
| // and therefore gets rejected |
| sketch.update(1, std::vector<double>({1})); |
| REQUIRE_FALSE(sketch.is_empty()); |
| REQUIRE(sketch.get_num_retained() == 0); |
| std::ofstream os("aod_1_non_empty_no_entries_cpp.sk", std::ios::binary); |
| sketch.compact().serialize(os); |
| } |
| |
| } /* namespace datasketches */ |