| /* |
| * 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.el.lang; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| import javax.el.ELProcessor; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestELArithmetic { |
| private static final String a = "1.1"; |
| private static final BigInteger b = |
| new BigInteger("1000000000000000000000"); |
| |
| @Test |
| public void testAdd01() throws Exception { |
| assertEquals("1000000000000000000001.1", |
| String.valueOf(ELArithmetic.add(a, b))); |
| } |
| |
| @Test |
| public void testAdd02() { |
| ELProcessor processor = new ELProcessor(); |
| Object result = processor.eval("null + null"); |
| Assert.assertEquals(Long.valueOf(0), result); |
| } |
| |
| @Test |
| public void testSubtract01() throws Exception { |
| assertEquals("-999999999999999999998.9", |
| String.valueOf(ELArithmetic.subtract(a, b))); |
| } |
| |
| @Test |
| public void testSubtract02() { |
| ELProcessor processor = new ELProcessor(); |
| Object result = processor.eval("null - null"); |
| Assert.assertEquals(Long.valueOf(0), result); |
| } |
| |
| @Test |
| public void testMultiply01() throws Exception { |
| assertEquals("1100000000000000000000.0", |
| String.valueOf(ELArithmetic.multiply(a, b))); |
| } |
| |
| @Test |
| public void testMultiply02() { |
| ELProcessor processor = new ELProcessor(); |
| Object result = processor.eval("null * null"); |
| Assert.assertEquals(Long.valueOf(0), result); |
| } |
| |
| @Test |
| public void testDivide01() throws Exception { |
| assertEquals("0.0", |
| String.valueOf(ELArithmetic.divide(a, b))); |
| } |
| |
| @Test |
| public void testDivide02() { |
| ELProcessor processor = new ELProcessor(); |
| Object result = processor.eval("null / null"); |
| Assert.assertEquals(Long.valueOf(0), result); |
| } |
| |
| @Test |
| public void testMod01() throws Exception { |
| assertEquals("1.1", |
| String.valueOf(ELArithmetic.mod(a, b))); |
| } |
| |
| @Test |
| public void testMod02() { |
| ELProcessor processor = new ELProcessor(); |
| Object result = processor.eval("null % null"); |
| Assert.assertEquals(Long.valueOf(0), result); |
| } |
| |
| @Test |
| public void testUnaryMinus01() { |
| ELProcessor processor = new ELProcessor(); |
| Object result = processor.eval("-null"); |
| Assert.assertEquals(Long.valueOf(0), result); |
| } |
| |
| @Test |
| public void testBug47371bigDecimal() throws Exception { |
| assertEquals(BigDecimal.valueOf(1), |
| ELArithmetic.add("", BigDecimal.valueOf(1))); |
| } |
| |
| @Test |
| public void testBug47371double() throws Exception { |
| assertEquals(Double.valueOf(7), ELArithmetic.add("", Double.valueOf(7))); |
| } |
| |
| @Test |
| public void testBug47371doubleString() throws Exception { |
| assertEquals(Double.valueOf(2), ELArithmetic.add("", "2.")); |
| } |
| |
| @Test |
| public void testBug47371bigInteger() throws Exception { |
| assertEquals(BigInteger.valueOf(0), |
| ELArithmetic.multiply("", BigInteger.valueOf(1))); |
| } |
| |
| @Test |
| public void testBug47371long() throws Exception { |
| assertEquals(Long.valueOf(1), ELArithmetic.add("", Integer.valueOf(1))); |
| } |
| |
| @Test |
| public void testBug47371long2() throws Exception { |
| assertEquals(Long.valueOf(-3), ELArithmetic.subtract("1", "4")); |
| } |
| |
| @Test |
| public void testBug47371doubleString2() throws Exception { |
| assertEquals(Double.valueOf(2), ELArithmetic.add("1.", "1")); |
| } |
| } |