/* * Copyright (C) 2008 The Guava Authors * * 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.common.collect.testing; import java.lang.reflect.Method; /** * Methods factored out so that they can be emulated differently in GWT. * *
This class is emulated in GWT. * * @author Hayward Chan */ class Platform { /** * Calls {@link Class#isInstance(Object)}. Factored out so that it can be * emulated in GWT. * *
This method always returns {@code true} in GWT.
*/
static boolean checkIsInstance(Class> clazz, Object obj) {
return clazz.isInstance(obj);
}
static It is only intended for the case {@code src} and {@code dest} are
* different. It also doesn't validate the types and indices.
*
* As of GWT 2.0, The built-in {@link System#arraycopy} doesn't work
* in general case. See
* http://code.google.com/p/google-web-toolkit/issues/detail?id=3621
* for more details.
*/
static void unsafeArrayCopy(
Object[] src, int srcPos, Object[] dest, int destPos, int length) {
System.arraycopy(src, srcPos, dest, destPos, length);
}
static Method getMethod(Class> clazz, String name) {
try {
return clazz.getMethod(name);
} catch (Exception e) {
throw new IllegalArgumentException(e);
}
}
static String classGetSimpleName(Class> clazz) {
return clazz.getSimpleName();
}
private Platform() {}
}