tests/tests/print/src/android/print/cts/PrinterCapabilitiesChangeTest.java - platform/cts - Git at Google

 /*
  * Copyright (C) 2016 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package android.print.cts;

 import android.os.ParcelFileDescriptor;
 import android.print.PageRange;
 import android.print.PrintAttributes;
 import android.print.PrintAttributes.Margins;
 import android.print.PrintAttributes.MediaSize;
 import android.print.PrintAttributes.Resolution;
 import android.print.PrintDocumentAdapter;
 import android.print.PrintDocumentAdapter.LayoutResultCallback;
 import android.print.PrintDocumentAdapter.WriteResultCallback;
 import android.print.PrintDocumentInfo;
 import android.print.PrinterCapabilitiesInfo;
 import android.print.PrinterId;
 import android.print.PrinterInfo;
 import android.print.cts.services.FirstPrintService;
 import android.print.cts.services.PrintServiceCallbacks;
 import android.print.cts.services.PrinterDiscoverySessionCallbacks;
 import android.print.cts.services.SecondPrintService;
 import android.print.cts.services.StubbablePrinterDiscoverySession;
 import android.support.test.uiautomator.UiObject;
 import android.support.test.uiautomator.UiSelector;
 import android.util.Log;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;

 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 import java.util.concurrent.TimeoutException;

 import static android.print.cts.Utils.runOnMainThread;

 /**
  * This test verifies changes to the printer capabilities are applied correctly.
  */
 @RunWith(Parameterized.class)
 public class PrinterCapabilitiesChangeTest extends BasePrintTest {
     private static final String LOG_TAG = "PrinterCapChangeTest";
     private static final String PRINTER_NAME = "Test printer";

     private static final Margins DEFAULT_MARGINS = new Margins(0, 0, 0, 0);
     private static final Resolution RESOLUTION_300 =
             new Resolution("300", "300", 300, 300);

     private boolean mAvailBefore;
     private MediaSize mMsBefore;
     private boolean mAvailAfter;
     private MediaSize mMsAfter;

     private final StubbablePrinterDiscoverySession[] mSession = new StubbablePrinterDiscoverySession[1];
     private final PrinterId[] mPrinterId = new PrinterId[1];
     private final PrintAttributes[] mLayoutAttributes = new PrintAttributes[1];
     private final PrintAttributes[] mWriteAttributes = new PrintAttributes[1];
     private PrintDocumentAdapter mAdapter;
     private static boolean sHasDefaultPrinterBeenSet;

     /**
      * Generate a new list of printers containing a singer printer with the given media size and
      * status. The other capabilities are default values.
      *
      * @param printerId The id of the printer
      * @param mediaSize The media size to use
      * @param status    The status of th printer
      *
      * @return The list of printers
      */
     private List<PrinterInfo> generatePrinters(PrinterId printerId, MediaSize mediaSize,
             int status) {
         List<PrinterInfo> printers = new ArrayList<>(1);

         PrinterCapabilitiesInfo cap;

         if (mediaSize != null) {
             PrinterCapabilitiesInfo.Builder builder = new PrinterCapabilitiesInfo.Builder(
                     printerId);
             builder.setMinMargins(DEFAULT_MARGINS)
                     .setColorModes(PrintAttributes.COLOR_MODE_COLOR,
                             PrintAttributes.COLOR_MODE_COLOR)
                     .setDuplexModes(PrintAttributes.DUPLEX_MODE_NONE,
                             PrintAttributes.DUPLEX_MODE_NONE)
                     .addMediaSize(mediaSize, true)
                     .addResolution(RESOLUTION_300, true);
             cap = builder.build();
         } else {
             cap = null;
         }

         printers.add(new PrinterInfo.Builder(printerId, PRINTER_NAME, status).setCapabilities(cap)
                 .build());

         return printers;
     }

     /**
      * Wait until the print activity requested an update with print attributes matching the media
      * size.
      *
      * @param printAttributes The print attributes container
      * @param mediaSize       The media size to match
      *
      * @throws Exception If anything unexpected happened, e.g. the attributes did not change.
      */
     private void waitForMediaSizeChange(PrintAttributes[] printAttributes, MediaSize mediaSize)
             throws Exception {
         synchronized (PrinterCapabilitiesChangeTest.this) {
             long endTime = System.currentTimeMillis() + OPERATION_TIMEOUT_MILLIS;
             while (printAttributes[0] == null ||
                     !printAttributes[0].getMediaSize().equals(mediaSize)) {
                 wait(Math.max(0, endTime - System.currentTimeMillis()));

                 if (endTime < System.currentTimeMillis()) {
                     throw new TimeoutException(
                             "Print attributes did not change to " + mediaSize + " in " +
                                     OPERATION_TIMEOUT_MILLIS + " ms. Current attributes"
                                     + printAttributes[0]);
                 }
             }
         }
     }

     /**
      * Change the media size of the capabilities of the printer
      *
      * @param session     The mSession used in the test
      * @param printerId   The printer to change
      * @param mediaSize   The new mediaSize to apply
      * @param isAvailable If the printer should be available or not
      */
     private void changeCapabilities(final StubbablePrinterDiscoverySession session,
             final PrinterId printerId, final MediaSize mediaSize, final boolean isAvailable)
             throws Throwable {
         runOnMainThread(
                 () -> session.addPrinters(generatePrinters(printerId, mediaSize, isAvailable ?
                         PrinterInfo.STATUS_IDLE :
                         PrinterInfo.STATUS_UNAVAILABLE)));
     }

     /**
      * Wait until the message is shown that indicates that a printer is unavilable.
      *
      * @throws Exception If anything was unexpected.
      */
     private void waitForPrinterUnavailable() throws Exception {
         final String PRINTER_UNAVAILABLE_MSG =
                 getPrintSpoolerString("print_error_printer_unavailable");

         UiObject message = getUiDevice().findObject(new UiSelector().resourceId(
                 "com.android.printspooler:id/message"));
         if (!message.getText().equals(PRINTER_UNAVAILABLE_MSG)) {
             throw new Exception("Wrong message: " + message.getText() + " instead of " +
                     PRINTER_UNAVAILABLE_MSG);
         }
     }

     @Before
     public void setUpPrinting() throws Exception {
         // Create the mSession[0] callbacks that we will be checking.
         final PrinterDiscoverySessionCallbacks firstSessionCallbacks =
                 createMockPrinterDiscoverySessionCallbacks(invocation -> {
                     mSession[0] = ((PrinterDiscoverySessionCallbacks) invocation.getMock())
                             .getSession();

                     mPrinterId[0] = mSession[0].getService().generatePrinterId(PRINTER_NAME);

                     mSession[0].addPrinters(generatePrinters(mPrinterId[0], MediaSize.NA_LETTER,
                             PrinterInfo.STATUS_IDLE));
                     return null;
                 }, null, null, null, null, null, invocation -> {
                     onPrinterDiscoverySessionDestroyCalled();
                     return null;
                 });

         // Create the service callbacks for the first print service.
         PrintServiceCallbacks firstServiceCallbacks = createMockPrintServiceCallbacks(
                 invocation -> firstSessionCallbacks, null, null);

         // Configure the print services.
         FirstPrintService.setCallbacks(firstServiceCallbacks);
         SecondPrintService.setCallbacks(createMockPrintServiceCallbacks(null, null, null));

         mAdapter = createMockPrintDocumentAdapter(
                 invocation -> {
                     LayoutResultCallback callback = (LayoutResultCallback) invocation
                             .getArguments()[3];
                     PrintDocumentInfo info = new PrintDocumentInfo.Builder(PRINT_JOB_NAME)
                             .setContentType(PrintDocumentInfo.CONTENT_TYPE_DOCUMENT)
                             .setPageCount(1)
                             .build();

                     synchronized (PrinterCapabilitiesChangeTest.this) {
                         mLayoutAttributes[0] = (PrintAttributes) invocation.getArguments()[1];

                         PrinterCapabilitiesChangeTest.this.notify();
                     }

                     callback.onLayoutFinished(info, true);
                     return null;
                 }, invocation -> {
                     Object[] args = invocation.getArguments();
                     PageRange[] pages = (PageRange[]) args[0];
                     ParcelFileDescriptor fd = (ParcelFileDescriptor) args[1];
                     WriteResultCallback callback = (WriteResultCallback) args[3];

                     writeBlankPages(mLayoutAttributes[0], fd, pages[0].getStart(),
                             pages[0].getEnd());
                     fd.close();

                     synchronized (PrinterCapabilitiesChangeTest.this) {
                         mWriteAttributes[0] = mLayoutAttributes[0];

                         PrinterCapabilitiesChangeTest.this.notify();
                     }

                     callback.onWriteFinished(pages);

                     onWriteCalled();
                     return null;
                 }, null);

         if (!sHasDefaultPrinterBeenSet) {
             makeDefaultPrinter(mAdapter, PRINTER_NAME);
             sHasDefaultPrinterBeenSet = true;
         }

         resetCounters();
     }

     @Test
     public void changeCapabilities() throws Throwable {
         Log.i(LOG_TAG, "Test case: " + mAvailBefore + ", " + mMsBefore + " -> " + mAvailAfter + ", "
                 + mMsAfter);

         // Start printing.
         print(mAdapter);

         waitForWriteAdapterCallback(1);

         changeCapabilities(mSession[0], mPrinterId[0], mMsBefore, mAvailBefore);
         if (mAvailBefore && mMsBefore != null) {
             waitForMediaSizeChange(mLayoutAttributes, mMsBefore);
             waitForMediaSizeChange(mWriteAttributes, mMsBefore);
         } else {
             waitForPrinterUnavailable();
         }

         changeCapabilities(mSession[0], mPrinterId[0], mMsAfter, mAvailAfter);
         if (mAvailAfter && mMsAfter != null) {
             waitForMediaSizeChange(mLayoutAttributes, mMsAfter);
             waitForMediaSizeChange(mWriteAttributes, mMsAfter);
         } else {
             waitForPrinterUnavailable();
         }

         // Reset printer to default in case discovery mSession is reused
         changeCapabilities(mSession[0], mPrinterId[0], MediaSize.NA_LETTER, true);
         waitForMediaSizeChange(mLayoutAttributes, MediaSize.NA_LETTER);
         waitForMediaSizeChange(mWriteAttributes, MediaSize.NA_LETTER);

         getUiDevice().pressBack();

         waitForPrinterDiscoverySessionDestroyCallbackCalled(1);
     }

     @Parameterized.Parameters
     public static Collection<Object[]> getParameters() {
         ArrayList<Object[]> parameters = new ArrayList<>();

         parameters.add(new Object[]{false, null, false, null});
         parameters.add(new Object[]{false, null, false, MediaSize.ISO_A0});
         parameters.add(new Object[]{false, null, false, MediaSize.ISO_B0});
         parameters.add(new Object[]{false, null, true, null});
         parameters.add(new Object[]{false, null, true, MediaSize.ISO_A0});
         parameters.add(new Object[]{false, null, true, MediaSize.ISO_B0});
         parameters.add(new Object[]{false, MediaSize.ISO_A0, false, null});
         parameters.add(new Object[]{false, MediaSize.ISO_A0, false, MediaSize.ISO_A0});
         parameters.add(new Object[]{false, MediaSize.ISO_A0, false, MediaSize.ISO_B0});
         parameters.add(new Object[]{false, MediaSize.ISO_A0, true, null});
         parameters.add(new Object[]{false, MediaSize.ISO_A0, true, MediaSize.ISO_A0});
         parameters.add(new Object[]{false, MediaSize.ISO_A0, true, MediaSize.ISO_B0});
         parameters.add(new Object[]{true, null, false, null});
         parameters.add(new Object[]{true, null, false, MediaSize.ISO_B0});
         parameters.add(new Object[]{true, null, true, null});
         parameters.add(new Object[]{true, null, true, MediaSize.ISO_B0});
         parameters.add(new Object[]{true, MediaSize.ISO_A0, false, null});
         parameters.add(new Object[]{true, MediaSize.ISO_A0, false, MediaSize.ISO_A0});
         parameters.add(new Object[]{true, MediaSize.ISO_A0, false, MediaSize.ISO_B0});
         parameters.add(new Object[]{true, MediaSize.ISO_A0, true, null});
         parameters.add(new Object[]{true, MediaSize.ISO_A0, true, MediaSize.ISO_A0});
         parameters.add(new Object[]{true, MediaSize.ISO_A0, true, MediaSize.ISO_B0});

         return parameters;
     }

     public PrinterCapabilitiesChangeTest(boolean availBefore, MediaSize msBefore,
             boolean availAfter, MediaSize msAfter) {
         mAvailBefore = availBefore;
         mMsBefore = msBefore;
         mAvailAfter = availAfter;
         mMsAfter = msAfter;
     }
 }
	/*
	* Copyright (C) 2016 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package android.print.cts;

	import android.os.ParcelFileDescriptor;
	import android.print.PageRange;
	import android.print.PrintAttributes;
	import android.print.PrintAttributes.Margins;
	import android.print.PrintAttributes.MediaSize;
	import android.print.PrintAttributes.Resolution;
	import android.print.PrintDocumentAdapter;
	import android.print.PrintDocumentAdapter.LayoutResultCallback;
	import android.print.PrintDocumentAdapter.WriteResultCallback;
	import android.print.PrintDocumentInfo;
	import android.print.PrinterCapabilitiesInfo;
	import android.print.PrinterId;
	import android.print.PrinterInfo;
	import android.print.cts.services.FirstPrintService;
	import android.print.cts.services.PrintServiceCallbacks;
	import android.print.cts.services.PrinterDiscoverySessionCallbacks;
	import android.print.cts.services.SecondPrintService;
	import android.print.cts.services.StubbablePrinterDiscoverySession;
	import android.support.test.uiautomator.UiObject;
	import android.support.test.uiautomator.UiSelector;
	import android.util.Log;
	import org.junit.Before;
	import org.junit.Test;
	import org.junit.runner.RunWith;
	import org.junit.runners.Parameterized;

	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.List;
	import java.util.concurrent.TimeoutException;

	import static android.print.cts.Utils.runOnMainThread;

	/**
	* This test verifies changes to the printer capabilities are applied correctly.
	*/
	@RunWith(Parameterized.class)
	public class PrinterCapabilitiesChangeTest extends BasePrintTest {
	private static final String LOG_TAG = "PrinterCapChangeTest";
	private static final String PRINTER_NAME = "Test printer";

	private static final Margins DEFAULT_MARGINS = new Margins(0, 0, 0, 0);
	private static final Resolution RESOLUTION_300 =
	new Resolution("300", "300", 300, 300);

	private boolean mAvailBefore;
	private MediaSize mMsBefore;
	private boolean mAvailAfter;
	private MediaSize mMsAfter;

	private final StubbablePrinterDiscoverySession[] mSession = new StubbablePrinterDiscoverySession[1];
	private final PrinterId[] mPrinterId = new PrinterId[1];
	private final PrintAttributes[] mLayoutAttributes = new PrintAttributes[1];
	private final PrintAttributes[] mWriteAttributes = new PrintAttributes[1];
	private PrintDocumentAdapter mAdapter;
	private static boolean sHasDefaultPrinterBeenSet;

	/**
	* Generate a new list of printers containing a singer printer with the given media size and
	* status. The other capabilities are default values.
	*
	* @param printerId The id of the printer
	* @param mediaSize The media size to use
	* @param status The status of th printer
	*
	* @return The list of printers
	*/
	private List<PrinterInfo> generatePrinters(PrinterId printerId, MediaSize mediaSize,
	int status) {
	List<PrinterInfo> printers = new ArrayList<>(1);

	PrinterCapabilitiesInfo cap;

	if (mediaSize != null) {
	PrinterCapabilitiesInfo.Builder builder = new PrinterCapabilitiesInfo.Builder(
	printerId);
	builder.setMinMargins(DEFAULT_MARGINS)
	.setColorModes(PrintAttributes.COLOR_MODE_COLOR,
	PrintAttributes.COLOR_MODE_COLOR)
	.setDuplexModes(PrintAttributes.DUPLEX_MODE_NONE,
	PrintAttributes.DUPLEX_MODE_NONE)
	.addMediaSize(mediaSize, true)
	.addResolution(RESOLUTION_300, true);
	cap = builder.build();
	} else {
	cap = null;
	}

	printers.add(new PrinterInfo.Builder(printerId, PRINTER_NAME, status).setCapabilities(cap)
	.build());

	return printers;
	}

	/**
	* Wait until the print activity requested an update with print attributes matching the media
	* size.
	*
	* @param printAttributes The print attributes container
	* @param mediaSize The media size to match
	*
	* @throws Exception If anything unexpected happened, e.g. the attributes did not change.
	*/
	private void waitForMediaSizeChange(PrintAttributes[] printAttributes, MediaSize mediaSize)
	throws Exception {
	synchronized (PrinterCapabilitiesChangeTest.this) {
	long endTime = System.currentTimeMillis() + OPERATION_TIMEOUT_MILLIS;
	while (printAttributes[0] == null \|\|
	!printAttributes[0].getMediaSize().equals(mediaSize)) {
	wait(Math.max(0, endTime - System.currentTimeMillis()));

	if (endTime < System.currentTimeMillis()) {
	throw new TimeoutException(
	"Print attributes did not change to " + mediaSize + " in " +
	OPERATION_TIMEOUT_MILLIS + " ms. Current attributes"
	+ printAttributes[0]);
	}
	}
	}
	}

	/**
	* Change the media size of the capabilities of the printer
	*
	* @param session The mSession used in the test
	* @param printerId The printer to change
	* @param mediaSize The new mediaSize to apply
	* @param isAvailable If the printer should be available or not
	*/
	private void changeCapabilities(final StubbablePrinterDiscoverySession session,
	final PrinterId printerId, final MediaSize mediaSize, final boolean isAvailable)
	throws Throwable {
	runOnMainThread(
	() -> session.addPrinters(generatePrinters(printerId, mediaSize, isAvailable ?
	PrinterInfo.STATUS_IDLE :
	PrinterInfo.STATUS_UNAVAILABLE)));
	}

	/**
	* Wait until the message is shown that indicates that a printer is unavilable.
	*
	* @throws Exception If anything was unexpected.
	*/
	private void waitForPrinterUnavailable() throws Exception {
	final String PRINTER_UNAVAILABLE_MSG =
	getPrintSpoolerString("print_error_printer_unavailable");

	UiObject message = getUiDevice().findObject(new UiSelector().resourceId(
	"com.android.printspooler:id/message"));
	if (!message.getText().equals(PRINTER_UNAVAILABLE_MSG)) {
	throw new Exception("Wrong message: " + message.getText() + " instead of " +
	PRINTER_UNAVAILABLE_MSG);
	}
	}

	@Before
	public void setUpPrinting() throws Exception {
	// Create the mSession[0] callbacks that we will be checking.
	final PrinterDiscoverySessionCallbacks firstSessionCallbacks =
	createMockPrinterDiscoverySessionCallbacks(invocation -> {
	mSession[0] = ((PrinterDiscoverySessionCallbacks) invocation.getMock())
	.getSession();

	mPrinterId[0] = mSession[0].getService().generatePrinterId(PRINTER_NAME);

	mSession[0].addPrinters(generatePrinters(mPrinterId[0], MediaSize.NA_LETTER,
	PrinterInfo.STATUS_IDLE));
	return null;
	}, null, null, null, null, null, invocation -> {
	onPrinterDiscoverySessionDestroyCalled();
	return null;
	});

	// Create the service callbacks for the first print service.
	PrintServiceCallbacks firstServiceCallbacks = createMockPrintServiceCallbacks(
	invocation -> firstSessionCallbacks, null, null);

	// Configure the print services.
	FirstPrintService.setCallbacks(firstServiceCallbacks);
	SecondPrintService.setCallbacks(createMockPrintServiceCallbacks(null, null, null));

	mAdapter = createMockPrintDocumentAdapter(
	invocation -> {
	LayoutResultCallback callback = (LayoutResultCallback) invocation
	.getArguments()[3];
	PrintDocumentInfo info = new PrintDocumentInfo.Builder(PRINT_JOB_NAME)
	.setContentType(PrintDocumentInfo.CONTENT_TYPE_DOCUMENT)
	.setPageCount(1)
	.build();

	synchronized (PrinterCapabilitiesChangeTest.this) {
	mLayoutAttributes[0] = (PrintAttributes) invocation.getArguments()[1];

	PrinterCapabilitiesChangeTest.this.notify();
	}

	callback.onLayoutFinished(info, true);
	return null;
	}, invocation -> {
	Object[] args = invocation.getArguments();
	PageRange[] pages = (PageRange[]) args[0];
	ParcelFileDescriptor fd = (ParcelFileDescriptor) args[1];
	WriteResultCallback callback = (WriteResultCallback) args[3];

	writeBlankPages(mLayoutAttributes[0], fd, pages[0].getStart(),
	pages[0].getEnd());
	fd.close();

	synchronized (PrinterCapabilitiesChangeTest.this) {
	mWriteAttributes[0] = mLayoutAttributes[0];

	PrinterCapabilitiesChangeTest.this.notify();
	}

	callback.onWriteFinished(pages);

	onWriteCalled();
	return null;
	}, null);

	if (!sHasDefaultPrinterBeenSet) {
	makeDefaultPrinter(mAdapter, PRINTER_NAME);
	sHasDefaultPrinterBeenSet = true;
	}

	resetCounters();
	}

	@Test
	public void changeCapabilities() throws Throwable {
	Log.i(LOG_TAG, "Test case: " + mAvailBefore + ", " + mMsBefore + " -> " + mAvailAfter + ", "
	+ mMsAfter);

	// Start printing.
	print(mAdapter);

	waitForWriteAdapterCallback(1);

	changeCapabilities(mSession[0], mPrinterId[0], mMsBefore, mAvailBefore);
	if (mAvailBefore && mMsBefore != null) {
	waitForMediaSizeChange(mLayoutAttributes, mMsBefore);
	waitForMediaSizeChange(mWriteAttributes, mMsBefore);
	} else {
	waitForPrinterUnavailable();
	}

	changeCapabilities(mSession[0], mPrinterId[0], mMsAfter, mAvailAfter);
	if (mAvailAfter && mMsAfter != null) {
	waitForMediaSizeChange(mLayoutAttributes, mMsAfter);
	waitForMediaSizeChange(mWriteAttributes, mMsAfter);
	} else {
	waitForPrinterUnavailable();
	}

	// Reset printer to default in case discovery mSession is reused
	changeCapabilities(mSession[0], mPrinterId[0], MediaSize.NA_LETTER, true);
	waitForMediaSizeChange(mLayoutAttributes, MediaSize.NA_LETTER);
	waitForMediaSizeChange(mWriteAttributes, MediaSize.NA_LETTER);

	getUiDevice().pressBack();

	waitForPrinterDiscoverySessionDestroyCallbackCalled(1);
	}

	@Parameterized.Parameters
	public static Collection<Object[]> getParameters() {
	ArrayList<Object[]> parameters = new ArrayList<>();

	parameters.add(new Object[]{false, null, false, null});
	parameters.add(new Object[]{false, null, false, MediaSize.ISO_A0});
	parameters.add(new Object[]{false, null, false, MediaSize.ISO_B0});
	parameters.add(new Object[]{false, null, true, null});
	parameters.add(new Object[]{false, null, true, MediaSize.ISO_A0});
	parameters.add(new Object[]{false, null, true, MediaSize.ISO_B0});
	parameters.add(new Object[]{false, MediaSize.ISO_A0, false, null});
	parameters.add(new Object[]{false, MediaSize.ISO_A0, false, MediaSize.ISO_A0});
	parameters.add(new Object[]{false, MediaSize.ISO_A0, false, MediaSize.ISO_B0});
	parameters.add(new Object[]{false, MediaSize.ISO_A0, true, null});
	parameters.add(new Object[]{false, MediaSize.ISO_A0, true, MediaSize.ISO_A0});
	parameters.add(new Object[]{false, MediaSize.ISO_A0, true, MediaSize.ISO_B0});
	parameters.add(new Object[]{true, null, false, null});
	parameters.add(new Object[]{true, null, false, MediaSize.ISO_B0});
	parameters.add(new Object[]{true, null, true, null});
	parameters.add(new Object[]{true, null, true, MediaSize.ISO_B0});
	parameters.add(new Object[]{true, MediaSize.ISO_A0, false, null});
	parameters.add(new Object[]{true, MediaSize.ISO_A0, false, MediaSize.ISO_A0});
	parameters.add(new Object[]{true, MediaSize.ISO_A0, false, MediaSize.ISO_B0});
	parameters.add(new Object[]{true, MediaSize.ISO_A0, true, null});
	parameters.add(new Object[]{true, MediaSize.ISO_A0, true, MediaSize.ISO_A0});
	parameters.add(new Object[]{true, MediaSize.ISO_A0, true, MediaSize.ISO_B0});

	return parameters;
	}

	public PrinterCapabilitiesChangeTest(boolean availBefore, MediaSize msBefore,
	boolean availAfter, MediaSize msAfter) {
	mAvailBefore = availBefore;
	mMsBefore = msBefore;
	mAvailAfter = availAfter;
	mMsAfter = msAfter;
	}
	}