SparseMatrixCSTest.java

Go to the documentation of this file.

package aud.test;
 
import aud.Vector;
import aud.graph.matrix.SparseMatrixCS;
 
import org.junit.*;
import static org.junit.Assert.*;
 
public class SparseMatrixCSTest {
 
  @Test
  public void testMatrix() {
    SparseMatrixCS<Integer> m=new SparseMatrixCS<Integer>();
    assertSame(m.nnz(),0);
    assertSame(m.getNumRows(),0);
    assertSame(m.getNumColumns(),0);
    assertSame(m.getMinRowIndex(),0);
    assertSame(m.getMinColumnIndex(),0);
 
    m.set(2,2,2);
    m.set(9,9,9);
 
    assertSame(m.getNumRows(),9);
    assertSame(m.getNumColumns(),9);
    assertSame(m.getMinRowIndex(),2);
    assertSame(m.getMinColumnIndex(),2);
 
    assertSame(m.get(2,2),2);
    assertSame(m.get(9,9),9);
    assertSame(m.nnz(),2);
 
    m.set(2,2,3);
    assertSame(m.get(2,2),3);
    assertSame(m.nnz(),2);
 
    m.set(2,2,null);
    assertSame(m.get(2,2),null);
    assertSame(m.nnz(),1);
 
    m.set(2,2,2);
 
    m.set(4,2,-1);
    assertSame(m.get(4,2),-1);
    assertSame(m.get(2,4),null);
 
    int[] ri=m.getColumnRowIndices(2);
    Vector<Integer> v=m.getColumnEntries(2);
 
    assertSame(ri.length,2);
    assertSame(m.columnDegree(2),2);
    assertSame(ri[0],2);
    assertSame(ri[1],4);
    assertEquals(v.at(0),Integer.valueOf(2));
    assertEquals(v.at(1),Integer.valueOf(-1));
 
    assertSame(m.spones().nnz(),m.nnz());
  }
 
  public static void main(String args[]) {
    org.junit.runner.JUnitCore.main("aud.test.SparseMatrixCSTest");
  }
}