/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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.vaadin.tests.widgetset.client;
import com.google.gwt.user.client.ui.Label;
import com.vaadin.client.Profiler;
public class ProfilerCompilationCanary extends Label {
public ProfilerCompilationCanary() {
if (Profiler.isEnabled()) {
setText("Test does not work when profiler is enabled {dummyCode;}");
} else {
setText(getCanaryCode());
}
}
/*
* Finds the native js function for the canaryWithProfiler method and gets a
* string representation of it, which in most browsers produces the actual
* method implementation that we want to verify has an empty body.
*/
private static native String getCanaryCode()
/*-{
return @ProfilerCompilationCanary::canaryWithProfiler(*).toString();
}-*/;
/*
* We don't care about running this method, we just want to make sure that
* the generated implementation is empty.
*/
public static void canaryWithProfiler() {
Profiler.enter("canaryWithProfiler");
Profiler.leave("canaryWithProfiler");
}
}