/*
 * Copyright IBM Corp. and others 2016
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 */
package com.ibm.dump.tests.portable_heapdump_packed_objects;

import java.io.IOException;

import com.ibm.dump.tests.OutputFile;

public class PortableHeapdumpTest1PackedPrimitivesChecker {
	
	/**
	 * Check through the output looking for the output from "info class com/ibm/dump/tests/types/packed/PackedPrimitives".
	 * Check that the "This class is packed" line is present.
	 * Check that there are three instances.
	 * Check that there is one on-heap packed instance and that the memory on the heap is right.
	 * Check that there are two off-heap packed instances and that the memory on the heap is right.
	 * 
	 *  The expected output is as follows:
	 *  <pre>
	info class com/ibm/dump/tests/types/packed/PackedPrimitives
	name = com/ibm/dump/tests/types/packed/PackedPrimitives

		ID = 0xf020730    superID = 0xf010150    
		classLoader = <data unavailable>    modifiers: No modifiers available

		This is a packed class

		number of instances:     3
		total size of instances on the heap: 80 bytes
		</pre>
	 * @throws IOException 
	 */
	
	public static boolean checkInfoClassCommand(String fileName) throws IOException {

		String[] validTotalSizes = {
				"80", // 32 and 64cr
				"104" // 64
				};
		String command = "info class com/ibm/dump/tests/types/packed/PackedPrimitives";

		System.err.println("\nChecking the output from the command \"" + command + "\"");
		
		OutputFile o = new OutputFile(fileName);
		if (! o.skipUnlimitedToLineContaining(command) ) {
			// if we cannot find this line, don't bother going any further
			return false;
		}

		boolean passed = true;
		passed &= o.skipLimitedToLineContaining(6, "This is a packed class");
		passed &= o.skipLimitedToLineContaining(2, "number of instances");
		passed &= o.linePassesCheckForStringAtWord("3", 4);						
		passed &= o.skipLimitedToLineContaining(1, "total size of instances on the heap");
		passed &= o.linePassesCheckForStringsAtWord(validTotalSizes, 8);
		
		return passed;
	}
	
	/**
	 * Check through the output looking for the output from "x/j com/ibm/dump/tests/types/packed/PackedPrimitives".
	 * Check that the "This class is packed" line is present.
	 * Check that there are three instances.
	 * Check that there is one on-heap packed instance and that the memory on the heap is right.
	 * Check that there are two off-heap packed instances and that the memory on the heap is right.
	 * 
	 *  The expected output is as follows:
	 *  <pre>
x/j com/ibm/dump/tests/types/packed/PackedPrimitives
	 heap #1 - name: Java heap

	  "com/ibm/dump/tests/types/packed/PackedPrimitives" has no static fields

	  com/ibm/dump/tests/types/packed/PackedPrimitives @ 0x2ef488d0
	   This is an on-heap packed object occupying 48 bytes on the heap

	    references:
 	      0x2ef488d0

	  com/ibm/dump/tests/types/packed/PackedPrimitives @ 0x2ef48900
	   This is an off-heap packed object occupying 16 bytes on the heap

	    references: <none>
 	     

	  com/ibm/dump/tests/types/packed/PackedPrimitives @ 0x2ef48910
	   This is an off-heap packed object occupying 16 bytes on the heap

	    references: <none>

	    references:
		</pre>
	 * @throws IOException 
	 */
	
	public static boolean checkXJClassCommand(String fileName) throws IOException {
		String[] validSizes = {
				"48", //  on heap 32 and 64cr
				"16", // off heap 32 and 64cr
				"56", //  on heap 64
				"24"  // off heap 64
				};
		
		String command = "x/j com/ibm/dump/tests/types/packed/PackedPrimitives";
		System.err.println("\nChecking the output from the command \"" + command + "\"");
		
		OutputFile o = new OutputFile(fileName);
		if (! o.skipUnlimitedToLineContaining(command) ) {
			// if we cannot find this line, don't bother going any further
			return false;
		}

		boolean passed = true;
		passed &= o.skipLimitedToLineContaining(6, "com/ibm/dump/tests/types/packed/PackedPrimitives @");
		passed &= o.skipLimitedToLineContaining(1, "This is an on-heap packed object");
		passed &= o.linePassesCheckForStringsAtWord(validSizes,8);
		
		passed &= o.skipLimitedToLineContaining(6, "com/ibm/dump/tests/types/packed/PackedPrimitives @");
		passed &= o.skipLimitedToLineContaining(1, "This is an off-heap packed object");
		passed &= o.linePassesCheckForStringsAtWord(validSizes,8);
		
		passed &= o.skipLimitedToLineContaining(6, "com/ibm/dump/tests/types/packed/PackedPrimitives @");
		passed &= o.skipLimitedToLineContaining(1, "This is an off-heap packed object");
		passed &= o.linePassesCheckForStringsAtWord(validSizes,8);
		return passed;
	}





}
