File	Doc	Category	Size	Date	Package
TestBitVector.java	API Doc	Apache Lucene 1.4.3	5313	Tue Mar 30 00:48:08 BST 2004	org.apache.lucene.util

TestBitVector

• java.lang.Object
  • junit.framework.Assert
    • junit.framework.TestCase

Fields Summary

Constructors Summary
public TestBitVector(String s) super(s);

Methods Summary
private boolean	doCompare(org.apache.lucene.util.BitVector bv, org.apache.lucene.util.BitVector compare) Compare two BitVectors. This should really be an equals method on the BitVector itself. param bv One bit vector param compare The second to compare boolean equal = true; for(int i=0;i<bv.size();i++) { // bits must be equal if(bv.get(i)!=compare.get(i)) { equal = false; break; } } return equal;
private void	doTestClearVectorOfSize(int n) BitVector bv = new BitVector(n); for(int i=0;i<bv.size();i++) { // ensure a set bit is cleared assertFalse(bv.get(i)); bv.set(i); assertTrue(bv.get(i)); bv.clear(i); assertFalse(bv.get(i)); }
private void	doTestConstructOfSize(int n) BitVector bv = new BitVector(n); assertEquals(n,bv.size());
private void	doTestCountVectorOfSize(int n) BitVector bv = new BitVector(n); // test count when incrementally setting bits for(int i=0;i<bv.size();i++) { assertFalse(bv.get(i)); assertEquals(i,bv.count()); bv.set(i); assertTrue(bv.get(i)); assertEquals(i+1,bv.count()); } bv = new BitVector(n); // test count when setting then clearing bits for(int i=0;i<bv.size();i++) { assertFalse(bv.get(i)); assertEquals(0,bv.count()); bv.set(i); assertTrue(bv.get(i)); assertEquals(1,bv.count()); bv.clear(i); assertFalse(bv.get(i)); assertEquals(0,bv.count()); }
private void	doTestGetSetVectorOfSize(int n) BitVector bv = new BitVector(n); for(int i=0;i<bv.size();i++) { // ensure a set bit can be git' assertFalse(bv.get(i)); bv.set(i); assertTrue(bv.get(i)); }
private void	doTestWriteRead(int n) Directory d = new RAMDirectory(); BitVector bv = new BitVector(n); // test count when incrementally setting bits for(int i=0;i<bv.size();i++) { assertFalse(bv.get(i)); assertEquals(i,bv.count()); bv.set(i); assertTrue(bv.get(i)); assertEquals(i+1,bv.count()); bv.write(d, "TESTBV"); BitVector compare = new BitVector(d, "TESTBV"); // compare bit vectors with bits set incrementally assertTrue(doCompare(bv,compare)); }
public void	testClear() Test the clear() method on BitVectors of various sizes. throws Exception doTestClearVectorOfSize(8); doTestClearVectorOfSize(20); doTestClearVectorOfSize(100); doTestClearVectorOfSize(1000);
public void	testConstructSize() Test the default constructor on BitVectors of various sizes. throws Exception doTestConstructOfSize(8); doTestConstructOfSize(20); doTestConstructOfSize(100); doTestConstructOfSize(1000);
public void	testCount() Test the count() method on BitVectors of various sizes. throws Exception doTestCountVectorOfSize(8); doTestCountVectorOfSize(20); doTestCountVectorOfSize(100); doTestCountVectorOfSize(1000);
public void	testGetSet() Test the get() and set() methods on BitVectors of various sizes. throws Exception doTestGetSetVectorOfSize(8); doTestGetSetVectorOfSize(20); doTestGetSetVectorOfSize(100); doTestGetSetVectorOfSize(1000);
public void	testWriteRead() Test writing and construction to/from Directory. throws Exception doTestWriteRead(8); doTestWriteRead(20); doTestWriteRead(100); doTestWriteRead(1000);