/*
* 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 static org.junit.Assert.assertEquals;
/**
* @author Stephen Mallette (http://stephen.genoprime.com)
*/
@RunWith(Parameterized.class)
public class OperatorTest {
/**
* Required to verify that Operator can handle Number type, that it doesn't know explicitly.
*/
static class CustomNumber extends Number {
public final static CustomNumber ONE = new CustomNumber(1);
public final static CustomNumber TEN = new CustomNumber(10);
private int n;
private CustomNumber(final int number) {
this.n = number;
}
@Override
public int intValue() {
return n;
}
@Override
public long longValue() {
return n;
}
@Override
public float floatValue() {
return n;
}
@Override
public double doubleValue() {
return n;
}
}
@Parameterized.Parameters(name = "{0}({1},{2}) = {3}")
public static Iterable<Object[]> data() {
return new ArrayList<>(Arrays.asList(new Object[][]{
{Operator.div, 10, 2, 5},
{Operator.div, 10l, 2l, 5l},
{Operator.div, 10f, 2f, 5f},
{Operator.div, 10d, 2d, 5d},
{Operator.div, 10, 2d, 5d},
{Operator.div, 10, 2f, 5f},
{Operator.div, 10d, 2, 5d},
{Operator.div, 10f, 2d, 5d},
{Operator.div, 10f, 2l, 5d},
{Operator.div, 10f, 2, 5f},
{Operator.div, BigInteger.TEN, 2, BigInteger.valueOf(5l)},
{Operator.div, BigInteger.TEN, 2f, BigDecimal.valueOf(5l)},
{Operator.div, BigDecimal.TEN, 2, BigDecimal.valueOf(5l)},
{Operator.div, CustomNumber.TEN, 2, BigDecimal.valueOf(5l)},
{Operator.max, 10, 2, 10},
{Operator.max, 10l, 2l, 10l},
{Operator.max, 10f, 2f, 10f},
{Operator.max, 10d, 2d, 10d},
{Operator.max, 2, 10, 10},
{Operator.max, 2l, 10l, 10l},
{Operator.max, 2f, 10f, 10f},
{Operator.max, 2d, 10d, 10d},
{Operator.max, 10, 2d, 10d},
{Operator.max, 10, 2f, 10f},
{Operator.max, 10d, 2, 10d},
{Operator.max, 10f, 2d, 10d},
{Operator.max, 10f, 2l, 10d},
{Operator.max, 10f, 2, 10f},
{Operator.max, BigInteger.TEN, 1, BigInteger.TEN},
{Operator.max, BigInteger.TEN, BigDecimal.ONE, BigDecimal.TEN},
{Operator.max, BigDecimal.TEN, 1, BigDecimal.TEN},
{Operator.max, 1, CustomNumber.TEN, BigDecimal.TEN},
{Operator.min, 10, 2, 2},
{Operator.min, 10l, 2l, 2l},
{Operator.min, 10f, 2f, 2f},
{Operator.min, 10d, 2d, 2d},
{Operator.min, 2, 10, 2},
{Operator.min, 2l, 10l, 2l},
{Operator.min, 2f, 10f, 2f},
{Operator.min, 2d, 10d, 2d},
{Operator.min, 10, 2d, 2d},
{Operator.min, 10, 2f, 2f},
{Operator.min, 10d, 2, 2d},
{Operator.min, 10f, 2d, 2d},
{Operator.min, 10f, 2l, 2d},
{Operator.min, 10f, 2, 2f},
{Operator.min, BigInteger.TEN, 1, BigInteger.ONE},
{Operator.min, BigInteger.TEN, BigDecimal.ONE, BigDecimal.ONE},
{Operator.min, BigDecimal.TEN, 1, BigDecimal.ONE},
{Operator.min, 1, CustomNumber.TEN, BigDecimal.ONE},
{Operator.minus, 10, 2, 8},
{Operator.minus, 10l, 2l, 8l},
{Operator.minus, 10f, 2f, 8f},
{Operator.minus, 10d, 2d, 8d},
{Operator.minus, 10, 2d, 8d},
{Operator.minus, 10, 2f, 8f},
{Operator.minus, 10d, 2, 8d},
{Operator.minus, 10f, 2d, 8d},
{Operator.minus, 10f, 2l, 8d},
{Operator.minus, 10f, 2, 8f},
{Operator.minus, BigInteger.TEN, 2, BigInteger.valueOf(8l)},
{Operator.minus, BigInteger.TEN, 2f, BigDecimal.valueOf(8d)},
{Operator.minus, BigDecimal.TEN, 2, BigDecimal.valueOf(8l)},
{Operator.minus, CustomNumber.TEN, 2, BigDecimal.valueOf(8l)},
{Operator.mult, 5, 4, 20},
{Operator.mult, 5l, 4l, 20l},
{Operator.mult, 5f, 4f, 20f},
{Operator.mult, 5d, 4d, 20d},
{Operator.mult, 5, 4d, 20d},
{Operator.mult, 5, 4f, 20f},
{Operator.mult, 5d, 4, 20d},
{Operator.mult, 5f, 4d, 20d},
{Operator.mult, 5f, 4l, 20d},
{Operator.mult, 5f, 4, 20f},
{Operator.mult, BigInteger.valueOf(5l), 4, BigInteger.valueOf(20l)},
{Operator.mult, BigInteger.valueOf(5l), 4f, BigDecimal.valueOf(20d)},
{Operator.mult, BigDecimal.valueOf(5d), 4, BigDecimal.valueOf(20d)},
{Operator.mult, CustomNumber.TEN, 2f, BigDecimal.valueOf(20d)},
{Operator.sum, 7, 3, 10},
{Operator.sum, 7l, 3l, 10l},
{Operator.sum, 7f, 3f, 10f},
{Operator.sum, 7d, 3d, 10d},
{Operator.sum, 7, 3d, 10d},
{Operator.sum, 7, 3f, 10f},
{Operator.sum, 7d, 3, 10d},
{Operator.sum, 7f, 3d, 10d},
{Operator.sum, 7f, 3l, 10d},
{Operator.sum, 7f, 3, 10f},
{Operator.sum, BigInteger.valueOf(7l), 3, BigInteger.TEN},
{Operator.sum, BigInteger.valueOf(7l), 3f, BigDecimal.valueOf(10d)},
{Operator.sum, BigDecimal.valueOf(7d), 3, BigDecimal.valueOf(10d)},
{Operator.sum, CustomNumber.TEN, CustomNumber.ONE, BigDecimal.valueOf(11l)}
}));
}
@Parameterized.Parameter(value = 0)
public Operator operator;
@Parameterized.Parameter(value = 1)
public Number a;
@Parameterized.Parameter(value = 2)
public Number b;
@Parameterized.Parameter(value = 3)
public Number expected;
@Test
public void shouldApplyOperator() {
assertEquals(expected, operator.apply(a, b));
}
}