| /* |
| * 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. |
| */ |
| package org.apache.tinkerpop.gremlin.process.traversal; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| * @author Matt Frantz (http://github.com/mhfrantz) |
| */ |
| @RunWith(Parameterized.class) |
| public class CompareTest { |
| |
| @Parameterized.Parameters(name = "{0}.test({1},{2}) = {3}") |
| public static Iterable<Object[]> data() { |
| final List<Object[]> testCases = new ArrayList<>(Arrays.asList(new Object[][]{ |
| {Compare.eq, null, null, true}, |
| {Compare.eq, null, 1, false}, |
| {Compare.eq, 1, null, false}, |
| {Compare.eq, "1", "1", true}, |
| {Compare.eq, 100, 99, false}, |
| {Compare.eq, 100, 101, false}, |
| {Compare.eq, "z", "a", false}, |
| {Compare.eq, "a", "z", false}, |
| {Compare.eq, new Object(), new Object(), false}, |
| {Compare.neq, null, null, false}, |
| {Compare.neq, null, 1, true}, |
| {Compare.neq, 1, null, true}, |
| {Compare.neq, "1", "1", false}, |
| {Compare.neq, 100, 99, true}, |
| {Compare.neq, 100, 101, true}, |
| {Compare.neq, "z", "a", true}, |
| {Compare.neq, "a", "z", true}, |
| {Compare.neq, new Object(), new Object(), true}, |
| {Compare.gt, null, null, false}, |
| {Compare.gt, null, 1, false}, |
| {Compare.gt, 1, null, false}, |
| {Compare.gt, "1", "1", false}, |
| {Compare.gt, 100, 99, true}, |
| {Compare.gt, 100, 101, false}, |
| {Compare.gt, "z", "a", true}, |
| {Compare.gt, "a", "z", false}, |
| {Compare.lt, null, null, false}, |
| {Compare.lt, null, 1, false}, |
| {Compare.lt, 1, null, false}, |
| {Compare.lt, "1", "1", false}, |
| {Compare.lt, 100, 99, false}, |
| {Compare.lt, 100, 101, true}, |
| {Compare.lt, "z", "a", false}, |
| {Compare.lt, "a", "z", true}, |
| {Compare.gte, null, null, true}, |
| {Compare.gte, null, 1, false}, |
| {Compare.gte, 1, null, false}, |
| {Compare.gte, "1", "1", true}, |
| {Compare.gte, 100, 99, true}, |
| {Compare.gte, 100, 101, false}, |
| {Compare.gte, "z", "a", true}, |
| {Compare.gte, "a", "z", false}, |
| {Compare.lte, null, null, true}, |
| {Compare.lte, null, 1, false}, |
| {Compare.lte, 1, null, false}, |
| {Compare.lte, "1", "1", true}, |
| {Compare.lte, 100, 99, false}, |
| {Compare.lte, 100, 101, true}, |
| {Compare.lte, "z", "a", false}, |
| {Compare.lte, "a", "z", true}, |
| {Compare.lte, new A(), new A(), true}, |
| {Compare.lte, new B(), new B(), true}, |
| {Compare.gte, new B(), new C(), true}, |
| {Compare.lte, new B(), new D(), true}, |
| {Compare.lte, new C(), new C(), true}, |
| {Compare.lte, new D(), new D(), true} |
| })); |
| // Compare Numbers of mixed types. |
| final List<Object> one = Arrays.asList(1, 1l, 1d, 1f, BigDecimal.ONE, BigInteger.ONE); |
| for (Object i : one) { |
| for (Object j : one) { |
| testCases.addAll(Arrays.asList(new Object[][]{ |
| {Compare.eq, i, j, true}, |
| {Compare.neq, i, j, false}, |
| {Compare.gt, i, j, false}, |
| {Compare.lt, i, j, false}, |
| {Compare.gte, i, j, true}, |
| {Compare.lte, i, j, true}, |
| })); |
| } |
| } |
| // Compare large numbers of different types that cannot convert to doubles losslessly. |
| final BigInteger big1 = new BigInteger("123456789012345678901234567890"); |
| final BigDecimal big1d = new BigDecimal("123456789012345678901234567890"); |
| final BigDecimal big2 = new BigDecimal(big1.add(BigInteger.ONE)); |
| testCases.addAll(Arrays.asList(new Object[][]{ |
| // big1 == big1d |
| {Compare.eq, big1, big1d, true}, |
| {Compare.neq, big1, big1d, false}, |
| {Compare.gt, big1, big1d, false}, |
| {Compare.lt, big1, big1d, false}, |
| {Compare.gte, big1, big1d, true}, |
| {Compare.lte, big1, big1d, true}, |
| // big1 < big2 |
| {Compare.eq, big1, big2, false}, |
| {Compare.neq, big1, big2, true}, |
| {Compare.gt, big1, big2, false}, |
| {Compare.lt, big1, big2, true}, |
| {Compare.gte, big1, big2, false}, |
| {Compare.lte, big1, big2, true}, |
| // Reverse the operands for symmetric test coverage (big2 > big1) |
| {Compare.eq, big2, big1, false}, |
| {Compare.neq, big2, big1, true}, |
| {Compare.gt, big2, big1, true}, |
| {Compare.lt, big2, big1, false}, |
| {Compare.gte, big2, big1, true}, |
| {Compare.lte, big2, big1, false}, |
| })); |
| return testCases; |
| } |
| |
| @Parameterized.Parameter(value = 0) |
| public Compare compare; |
| |
| @Parameterized.Parameter(value = 1) |
| public Object first; |
| |
| @Parameterized.Parameter(value = 2) |
| public Object second; |
| |
| @Parameterized.Parameter(value = 3) |
| public boolean expected; |
| |
| @Test |
| public void shouldTest() { |
| assertEquals(expected, compare.test(first, second)); |
| } |
| |
| static class A implements Comparable<A> { |
| |
| @Override |
| public int compareTo(A o) { |
| return 0; |
| } |
| } |
| |
| static class B implements Comparable<B> { |
| |
| @Override |
| public int compareTo(B o) { |
| return 0; |
| } |
| } |
| |
| static class C extends B { |
| } |
| |
| static class D extends B { |
| } |
| } |