/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
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* understands that UCAR/Unidata is not obligated to provide the user with
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*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
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*/
package ucar.nc2.iosp;
import ucar.ma2.InvalidRangeException;
import ucar.ma2.Section;
import junit.framework.TestCase;
/**
* @author caron
* @since Jan 2, 2008
*/
public class TestIndexChunker extends TestCase {
public TestIndexChunker( String name) {
super(name);
}
public void testFull() throws InvalidRangeException {
int[] shape = new int[] {123,22,92,12};
Section section = new Section(shape);
IndexChunker index = new IndexChunker(shape, section);
assert index.getTotalNelems() == section.computeSize();
IndexChunker.Chunk chunk = index.next();
assert chunk.getNelems() == section.computeSize();
assert !index.hasNext();
}
public void testPart() throws InvalidRangeException {
int[] full = new int[] {2, 10, 20};
int[] part = new int[] {2, 5, 20};
Section section = new Section(part);
IndexChunker index = new IndexChunker(full, section);
assert index.getTotalNelems() == section.computeSize();
IndexChunker.Chunk chunk = index.next();
assert chunk.getNelems() == section.computeSize()/2;
}
public void testChunkerTiled() throws InvalidRangeException {
Section dataSection = new Section("0:0, 20:39, 0:1353 ");
Section wantSection = new Section("0:2, 22:3152,0:1350");
IndexChunkerTiled index = new IndexChunkerTiled(dataSection, wantSection);
while(index.hasNext()) {
Layout.Chunk chunk = index.next();
System.out.println(" "+chunk);
}
}
public void testChunkerTiled2() throws InvalidRangeException {
Section dataSection = new Section("0:0, 40:59, 0:1353 ");
Section wantSection = new Section("0:2, 22:3152,0:1350");
IndexChunkerTiled index = new IndexChunkerTiled(dataSection, wantSection);
while(index.hasNext()) {
Layout.Chunk chunk = index.next();
System.out.println(" "+chunk);
}
}
}