3c276ce1fe
Make test method really trivial, adjust trivial logic, make logic independent of background compilation. Reviewed-by: iignatyev, thartmann, kvn
65 lines
2.3 KiB
Java
65 lines
2.3 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package compiler.tiered;
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import java.lang.reflect.Method;
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import java.util.Objects;
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import java.util.concurrent.Callable;
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public class MethodHelper {
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/**
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* Gets method from a specified class using its name
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*
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* @param aClass type method belongs to
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* @param name the name of the method
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* @return {@link Method} that represents corresponding class method
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*/
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public static Method getMethod(Class<?> aClass, String name) {
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Method method;
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try {
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method = aClass.getDeclaredMethod(name);
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} catch (NoSuchMethodException e) {
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throw new Error("TESTBUG: Unable to get method " + name, e);
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}
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return method;
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}
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/**
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* Gets {@link Callable} that invokes given method from the given object
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*
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* @param object the object the specified method is invoked from
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* @param name the name of the method
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*/
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public static Callable<Integer> getCallable(Object object, String name) {
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Method method = getMethod(object.getClass(), name);
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return () -> {
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try {
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return Objects.hashCode(method.invoke(object));
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} catch (ReflectiveOperationException e) {
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throw new Error("TESTBUG: Invocation failure", e);
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}
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};
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}
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}
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