tests/org.eclipse.core.tests.resources/src/org/eclipse/core/tests/internal/indexing/TestPage.java

/**********************************************************************
 * Copyright (c) 2000, 2002 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v0.5
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors: 
 * IBM - Initial API and implementation
 **********************************************************************/
package org.eclipse.core.tests.internal.indexing;

import org.eclipse.core.internal.indexing.*;

class TestPage extends Page {

	/**
	 * Creates a new page.
	 */
	protected TestPage(int pageNumber, byte[] buffer, PageStore pageStore) {
		super(pageNumber, pageStore);
		pageBuffer = new Buffer(Page.SIZE);
		pageBuffer.copyFrom(buffer);
	}

	public boolean check(byte b) {
		for (int i = 0; i < pageBuffer.length(); i++) {
			if (pageBuffer.getByte(i) == b) continue;
			return false;
		}			
		return true;
	}

	public void fill(byte b) {
		for (int i = 0; i < pageBuffer.length(); i++) {
			pageBuffer.put(i, b);
		}
		setChanged();
		notifyObservers();
	}

	public byte value() {
		return pageBuffer.getByte(0);
	}
	
	public void toBuffer(byte[] buffer) {
		pageBuffer.copyTo(buffer);
	}
}