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/*
* Copyright (C) 2013 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 com.android.mediaframeworktest.unit;
import android.hardware.camera2.CameraAccessException;
import android.hardware.camera2.utils.CameraBinderDecorator;
import android.hardware.camera2.utils.CameraRuntimeException;
import android.os.DeadObjectException;
import android.os.RemoteException;
import android.os.TransactionTooLargeException;
import android.test.suitebuilder.annotation.SmallTest;
import static org.mockito.Mockito.*;
import static android.hardware.camera2.utils.CameraBinderDecorator.*;
import static android.hardware.camera2.CameraAccessException.*;
import junit.framework.Assert;
public class CameraUtilsBinderDecoratorTest extends junit.framework.TestCase {
private interface ICameraBinderStereotype {
double doNothing();
// int is a 'status_t'
int doSomethingPositive();
int doSomethingNoError();
int doSomethingPermissionDenied();
int doSomethingAlreadyExists();
int doSomethingBadValue();
int doSomethingDeadObject() throws CameraRuntimeException;
int doSomethingBadPolicy() throws CameraRuntimeException;
int doSomethingDeviceBusy() throws CameraRuntimeException;
int doSomethingNoSuchDevice() throws CameraRuntimeException;
int doSomethingUnknownErrorCode();
int doSomethingThrowDeadObjectException() throws RemoteException;
int doSomethingThrowTransactionTooLargeException() throws RemoteException;
}
private static final double SOME_ARBITRARY_DOUBLE = 1.0;
private static final int SOME_ARBITRARY_POSITIVE_INT = 5;
private static final int SOME_ARBITRARY_NEGATIVE_INT = -0xC0FFEE;
@SmallTest
public void testStereotypes() {
ICameraBinderStereotype mock = mock(ICameraBinderStereotype.class);
try {
when(mock.doNothing()).thenReturn(SOME_ARBITRARY_DOUBLE);
when(mock.doSomethingPositive()).thenReturn(SOME_ARBITRARY_POSITIVE_INT);
when(mock.doSomethingNoError()).thenReturn(NO_ERROR);
when(mock.doSomethingPermissionDenied()).thenReturn(PERMISSION_DENIED);
when(mock.doSomethingAlreadyExists()).thenReturn(ALREADY_EXISTS);
when(mock.doSomethingBadValue()).thenReturn(BAD_VALUE);
when(mock.doSomethingDeadObject()).thenReturn(DEAD_OBJECT);
when(mock.doSomethingBadPolicy()).thenReturn(EACCES);
when(mock.doSomethingDeviceBusy()).thenReturn(EBUSY);
when(mock.doSomethingNoSuchDevice()).thenReturn(ENODEV);
when(mock.doSomethingUnknownErrorCode()).thenReturn(SOME_ARBITRARY_NEGATIVE_INT);
when(mock.doSomethingThrowDeadObjectException()).thenThrow(new DeadObjectException());
when(mock.doSomethingThrowTransactionTooLargeException()).thenThrow(
new TransactionTooLargeException());
} catch (RemoteException e) {
Assert.fail("Unreachable");
}
ICameraBinderStereotype decoratedMock = CameraBinderDecorator.newInstance(mock);
// ignored by decorator because return type is double, not int
assertEquals(SOME_ARBITRARY_DOUBLE, decoratedMock.doNothing());
// pass through for positive values
assertEquals(SOME_ARBITRARY_POSITIVE_INT, decoratedMock.doSomethingPositive());
// pass through NO_ERROR
assertEquals(NO_ERROR, decoratedMock.doSomethingNoError());
try {
decoratedMock.doSomethingPermissionDenied();
Assert.fail("Should've thrown SecurityException");
} catch (SecurityException e) {
}
assertEquals(ALREADY_EXISTS, decoratedMock.doSomethingAlreadyExists());
try {
decoratedMock.doSomethingBadValue();
Assert.fail("Should've thrown IllegalArgumentException");
} catch (IllegalArgumentException e) {
}
try {
decoratedMock.doSomethingDeadObject();
Assert.fail("Should've thrown CameraRuntimeException");
} catch (CameraRuntimeException e) {
assertEquals(CAMERA_DISCONNECTED, e.getReason());
}
try {
decoratedMock.doSomethingBadPolicy();
Assert.fail("Should've thrown CameraRuntimeException");
} catch (CameraRuntimeException e) {
assertEquals(CAMERA_DISABLED, e.getReason());
}
try {
decoratedMock.doSomethingDeviceBusy();
Assert.fail("Should've thrown CameraRuntimeException");
} catch (CameraRuntimeException e) {
assertEquals(CAMERA_IN_USE, e.getReason());
}
try {
decoratedMock.doSomethingNoSuchDevice();
Assert.fail("Should've thrown CameraRuntimeException");
} catch (CameraRuntimeException e) {
assertEquals(CAMERA_DISCONNECTED, e.getReason());
}
try {
decoratedMock.doSomethingUnknownErrorCode();
Assert.fail("Should've thrown UnsupportedOperationException");
} catch (UnsupportedOperationException e) {
assertEquals(String.format("Unknown error %d",
SOME_ARBITRARY_NEGATIVE_INT), e.getMessage());
}
try {
decoratedMock.doSomethingThrowDeadObjectException();
Assert.fail("Should've thrown CameraRuntimeException");
} catch (CameraRuntimeException e) {
assertEquals(CAMERA_DISCONNECTED, e.getReason());
} catch (RemoteException e) {
Assert.fail("Should not throw a DeadObjectException directly, but rethrow");
}
try {
decoratedMock.doSomethingThrowTransactionTooLargeException();
Assert.fail("Should've thrown UnsupportedOperationException");
} catch (UnsupportedOperationException e) {
assertTrue(e.getCause() instanceof TransactionTooLargeException);
} catch (RemoteException e) {
Assert.fail("Should not throw a TransactionTooLargeException directly, but rethrow");
}
}
}
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