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TestNumberTools.javaAPI DocApache Lucene 2.1.02842Wed Feb 14 10:46:36 GMT 2007org.apache.lucene.document

TestNumberTools

public class TestNumberTools extends TestCase
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.

Fields Summary
Constructors Summary
Methods Summary
private static voidsubtestTwoLongs(long i, long j)

        // convert to strings
        String a = NumberTools.longToString(i);
        String b = NumberTools.longToString(j);

        // are they the right length?
        assertEquals(NumberTools.STR_SIZE, a.length());
        assertEquals(NumberTools.STR_SIZE, b.length());

        // are they the right order?
        if (i < j) {
            assertTrue(a.compareTo(b) < 0);
        } else if (i > j) {
            assertTrue(a.compareTo(b) > 0);
        } else {
            assertEquals(a, b);
        }

        // can we convert them back to longs?
        long i2 = NumberTools.stringToLong(a);
        long j2 = NumberTools.stringToLong(b);

        assertEquals(i, i2);
        assertEquals(j, j2);
public voidtestMax()

        // make sure the constants convert to their equivelents
        assertEquals(Long.MAX_VALUE, NumberTools
                .stringToLong(NumberTools.MAX_STRING_VALUE));
        assertEquals(NumberTools.MAX_STRING_VALUE, NumberTools
                .longToString(Long.MAX_VALUE));

        // test near MAX, too
        for (long l = Long.MAX_VALUE; l > Long.MAX_VALUE - 10000; l--) {
            subtestTwoLongs(l, l - 1);
        }
public voidtestMin()

        // make sure the constants convert to their equivelents
        assertEquals(Long.MIN_VALUE, NumberTools
                .stringToLong(NumberTools.MIN_STRING_VALUE));
        assertEquals(NumberTools.MIN_STRING_VALUE, NumberTools
                .longToString(Long.MIN_VALUE));

        // test near MIN, too
        for (long l = Long.MIN_VALUE; l < Long.MIN_VALUE + 10000; l++) {
            subtestTwoLongs(l, l + 1);
        }
public voidtestNearZero()

        for (int i = -100; i <= 100; i++) {
            for (int j = -100; j <= 100; j++) {
                subtestTwoLongs(i, j);
            }
        }