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BaseTestRangeFilter.javaAPI DocApache Lucene 2.1.03839Wed Feb 14 10:46:36 GMT 2007org.apache.lucene.search

BaseTestRangeFilter

public class BaseTestRangeFilter 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
public static final boolean
F
public static final boolean
T
RAMDirectory
index
Random
rand
int
maxR
int
minR
int
minId
int
maxId
static final int
intLength
Constructors Summary
public BaseTestRangeFilter(String name)

	super(name);
        build();
public BaseTestRangeFilter()

        build();
Methods Summary
private voidbuild()

        try {
            
            /* build an index */
            IndexWriter writer = new IndexWriter(index,
                                                 new SimpleAnalyzer(), T);

            for (int d = minId; d <= maxId; d++) {
                Document doc = new Document();
                doc.add(new Field("id",pad(d), Field.Store.YES, Field.Index.UN_TOKENIZED));
                int r= rand.nextInt();
                if (maxR < r) {
                    maxR = r;
                }
                if (r < minR) {
                    minR = r;
                }
                doc.add(new Field("rand",pad(r), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.add(new Field("body","body", Field.Store.YES, Field.Index.UN_TOKENIZED));
                writer.addDocument(doc);
            }
            
            writer.optimize();
            writer.close();

        } catch (Exception e) {
            throw new RuntimeException("can't build index", e);
        }
public static java.lang.Stringpad(int n)
a simple padding function that should work with any int

    
                   
         
        StringBuffer b = new StringBuffer(40);
        String p = "0";
        if (n < 0) {
            p = "-";
            n = Integer.MAX_VALUE + n + 1;
        }
        b.append(p);
        String s = Integer.toString(n);
        for (int i = s.length(); i <= intLength; i++) {
            b.append("0");
        }
        b.append(s);
        
        return b.toString();
public voidtestPad()


        int[] tests = new int[] {
            -9999999, -99560, -100, -3, -1, 0, 3, 9, 10, 1000, 999999999
        };
        for (int i = 0; i < tests.length - 1; i++) {
            int a = tests[i];
            int b = tests[i+1];
            String aa = pad(a);
            String bb = pad(b);
            String label = a + ":" + aa + " vs " + b + ":" + bb;
            assertEquals("length of " + label, aa.length(), bb.length());
            assertTrue("compare less than " + label, aa.compareTo(bb) < 0);
        }