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TestNumberTools.javaAPI DocApache Lucene 1.92654Mon Feb 20 09:19:40 GMT 2006org.apache.lucene.document

TestNumberTools

public class TestNumberTools extends TestCase
Copyright 2004 The Apache Software Foundation Licensed 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);
            }
        }