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/*
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package compiler.lib.ir_framework;
import compiler.lib.ir_framework.shared.TestRunException;
import compiler.lib.ir_framework.test.TestVM;
import jdk.test.lib.Utils;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Random;
import java.util.stream.Collectors;
/**
* Base info class which provides some useful utility methods and information about a test.
* <p>
* <b>Base tests</b> and <b>checked tests</b> use {@link TestInfo} while <b>custom run tests</b> use {@link RunInfo}.
*
* @see Test
* @see Check
* @see Run
*/
abstract public class AbstractInfo {
private static final Random RANDOM = Utils.getRandomInstance();
protected final Class<?> testClass;
private boolean onWarmUp = true;
AbstractInfo(Class<?> testClass) {
this.testClass = testClass;
}
/**
* Get the initialized {@link Random} object.
*
* @return the random object.
*/
public Random getRandom() {
return RANDOM;
}
/**
* Returns a boolean indicating if the framework is currently warming up the associated test.
*
* @return the warm-up status of the associated test.
*
* @see Warmup
*/
public boolean isWarmUp() {
return onWarmUp;
}
/**
* Get the method object of the method {@code name} of class {@code c} with arguments {@code args}.
*
* @param c the class containing the method.
* @param name the name of the method.
* @param args the arguments of the method, leave empty if no arguments.
*
* @return the method object of the requested method.
*/
public Method getMethod(Class<?> c, String name, Class<?>... args) {
try {
return c.getMethod(name, args);
} catch (NoSuchMethodException e) {
String parameters = args == null || args.length == 0 ? "" :
" with arguments [" + Arrays.stream(args).map(Class::getName).collect(Collectors.joining(",")) + "]";
throw new TestRunException("Could not find method " + name + " in " + c + parameters, e);
}
}
/**
* Get the method object of the method {@code name} of the test class with arguments {@code args}.
*
* @param name the name of the method in the test class.
* @param args the arguments of the method, leave empty if no arguments.
*
* @return the method object of the requested method in the test class.
*/
public Method getTestClassMethod(String name, Class<?>... args) {
return getMethod(testClass, name, args);
}
/**
* Returns a boolean indicating if the test VM runs with flags that allow C2 compilations.
*
* @return {@code true} if C2 compilations are allowed;
* {@code false} otherwise (run with {@code -XX:TieredStopAtLevel={1,2,3}, -XX:-UseCompiler}).
*/
public boolean isC2CompilationEnabled() {
return TestVM.USE_COMPILER && !TestVM.TEST_C1;
}
/**
* Called by {@link TestFramework} when the warm-up is finished. Should not be called by user code.
*/
public void setWarmUpFinished() {
onWarmUp = false;
}
}
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