Quelle TestAstInteger.java Sprache: JAVA

/*
* 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.parser;

import java.math.BigInteger;

import jakarta.el.ELProcessor;

import org.junit.Assert;
import org.junit.Test;

import org.apache.el.lang.ELSupport;

public class TestAstInteger {

    @Test
    public void testValidLong() {
        doTestValid("1234");
    }

    @Test
    public void testValidBigInteger() {
        doTestValid("12345678901234567890");
    }

    private void doTestValid(String value) {
        ELProcessor processor = new ELProcessor();
        Number result = processor.eval(value);
        Assert.assertTrue(ELSupport.equals(null, new BigInteger(value), result));
    }

    // Note: Testing an invalid integer would require a number larger than
    //       2^Integer.MAX_VALUE. It is not practical to test with a String of
    //       digits representing a number that large.
}

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