| /* |
| * 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 "CubicInterpolation.hpp" |
| |
| #include <cppunit/TestFixture.h> |
| #include <cppunit/extensions/HelperMacros.h> |
| |
| namespace datasketches { |
| |
| class TablesTest : public CppUnit::TestFixture { |
| |
| CPPUNIT_TEST_SUITE(TablesTest); |
| CPPUNIT_TEST(interpolationException); |
| CPPUNIT_TEST(checkCornerCase); |
| CPPUNIT_TEST_SUITE_END(); |
| |
| void interpolationException() { |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to throw with x = -1.0", |
| CubicInterpolation<>::usingXAndYTables(-1.0), |
| std::invalid_argument); |
| |
| CPPUNIT_ASSERT_THROW_MESSAGE("Failed to throw with x = 1e12", |
| CubicInterpolation<>::usingXAndYTables(1e12), |
| std::invalid_argument); |
| } |
| |
| void checkCornerCase() { |
| int len = 10; |
| double xArr[] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0}; |
| double yArr[] = {2.0, 4.0, 8.0, 16.0, 32.0, 64.0, 128.0, 256.0, 512.0, 1024.0}; |
| double x = xArr[len - 1]; |
| double y = CubicInterpolation<>::usingXAndYTables(xArr, yArr, len, x); |
| double yExp = yArr[len - 1]; |
| CPPUNIT_ASSERT_DOUBLES_EQUAL(yExp, y, 0.0); |
| } |
| |
| }; |
| |
| CPPUNIT_TEST_SUITE_REGISTRATION(TablesTest); |
| |
| } /* namespace datasketches */ |
| |