/*
* Copyright 2011 Google Inc.
*
* 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.google.gwt.user.client.rpc;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.shared.SerializableThrowable;
import com.google.gwt.event.shared.UmbrellaException;
/**
* Tests serialization of various GWT Exception classes for RPC.
*/
public class ExceptionsTest extends RpcTestBase {
private ExceptionsTestServiceAsync exceptionsTestService;
public void testUmbrellaException() {
final UmbrellaException expected = TestSetFactory.createUmbrellaException();
checkException(expected, new AsyncCallback<UmbrellaException>() {
@Override
public void onFailure(Throwable caught) {
TestSetValidator.rethrowException(caught);
}
@Override
public void onSuccess(UmbrellaException result) {
assertNotNull(result);
assertTrue(TestSetValidator.isValid(expected, result));
finishTest();
}
});
}
public void testSerializableThrowable() {
SerializableThrowable expected = new SerializableThrowable(null, "msg");
expected.setDesignatedType("x", true);
expected.setStackTrace(new StackTraceElement[] {new StackTraceElement("c", "m", "f", 42)});
expected.initCause(new SerializableThrowable(null, "cause"));
checkException(expected, new AsyncCallback<SerializableThrowable>() {
@Override
public void onFailure(Throwable caught) {
TestSetValidator.rethrowException(caught);
}
@Override
public void onSuccess(SerializableThrowable result) {
assertNotNull(result);
assertEquals("msg", result.getMessage());
assertEquals("x", result.getDesignatedType());
assertTrue(result.isExactDesignatedTypeKnown());
assertEquals("c.m(f:42)", result.getStackTrace()[0].toString());
assertEquals("cause", ((SerializableThrowable) result.getCause()).getMessage());
finishTest();
}
});
}
private <T extends Throwable> void checkException(T expected, AsyncCallback<T> callback) {
delayTestFinishForRpc();
getServiceAsync().echo(expected, callback);
}
private ExceptionsTestServiceAsync getServiceAsync() {
if (exceptionsTestService == null) {
exceptionsTestService =
(ExceptionsTestServiceAsync) GWT.create(ExceptionsTestService.class);
}
return exceptionsTestService;
}
}