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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package jdk.test.lib.jittester;
import jdk.test.lib.util.Pair;
import jdk.test.lib.jittester.factories.IRNodeBuilder;
import jdk.test.lib.jittester.types.TypeKlass;
import jdk.test.lib.jittester.utils.FixedTrees;
import jdk.test.lib.jittester.utils.OptionResolver;
import jdk.test.lib.jittester.utils.OptionResolver.Option;
import jdk.test.lib.jittester.utils.PseudoRandom;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
public class Automatic {
public static final int MINUTES_TO_WAIT = Integer.getInteger("jdk.test.lib.jittester", 3);
private static Pair<IRNode, IRNode> generateIRTree(String name) {
SymbolTable.removeAll();
TypeList.removeAll();
IRNodeBuilder builder = new IRNodeBuilder()
.setPrefix(name)
.setName(name)
.setLevel(0);
Long complexityLimit = ProductionParams.complexityLimit.value();
IRNode privateClasses = null;
if (!ProductionParams.disableClasses.value()) {
long privateClassComlexity = (long) (complexityLimit * PseudoRandom.random());
try {
privateClasses = builder.setComplexityLimit(privateClassComlexity)
.getClassDefinitionBlockFactory()
.produce();
} catch (ProductionFailedException ex) {
ex.printStackTrace(System.out);
}
}
long mainClassComplexity = (long) (complexityLimit * PseudoRandom.random());
IRNode mainClass = null;
try {
mainClass = builder.setComplexityLimit(mainClassComplexity)
.getMainKlassFactory()
.produce();
TypeKlass aClass = new TypeKlass(name);
mainClass.getChild(1).addChild(FixedTrees.generateMainOrExecuteMethod(aClass, true));
mainClass.getChild(1).addChild(FixedTrees.generateMainOrExecuteMethod(aClass, false));
} catch (ProductionFailedException ex) {
ex.printStackTrace(System.out);
}
return new Pair<>(mainClass, privateClasses);
}
private static void initializeTestGenerator(String[] params) {
OptionResolver parser = new OptionResolver();
Option<String> propertyFileOpt = parser.addStringOption('p', "property-file",
"conf/default.properties", "File to read properties from");
ProductionParams.register(parser);
parser.parse(params, propertyFileOpt);
PseudoRandom.reset(ProductionParams.seed.value());
TypesParser.parseTypesAndMethods(ProductionParams.classesFile.value(),
ProductionParams.excludeMethodsFile.value());
if (ProductionParams.specificSeed.isSet()) {
PseudoRandom.setCurrentSeed(ProductionParams.specificSeed.value());
}
}
private static List<TestsGenerator> getTestGenerators() {
List<TestsGenerator> result = new ArrayList<>();
Class<?> factoryClass;
Function<String[], List<TestsGenerator>> factory;
String[] factoryClassNames = ProductionParams.generatorsFactories.value().split(",");
String[] generatorNames = ProductionParams.generators.value().split(",");
for (String factoryClassName : factoryClassNames) {
try {
factoryClass = Class.forName(factoryClassName);
factory = (Function<String[], List<TestsGenerator>>) factoryClass.newInstance();
} catch (ReflectiveOperationException roe) {
throw new Error("Can't instantiate generators factory", roe);
}
result.addAll(factory.apply(generatorNames));
}
return result;
}
public static void main(String[] args) {
initializeTestGenerator(args);
int counter = 0;
System.out.printf(" %13s | %8s | %8s | %8s |%n", "start time", "count", "generat",
"running");
System.out.printf(" %13s | %8s | %8s | %8s |%n", "---", "---", "---", "---");
List<TestsGenerator> generators = getTestGenerators();
do {
double start = System.currentTimeMillis();
System.out.print("[" + LocalTime.now() + "] |");
String name = "Test_" + counter;
Pair<IRNode, IRNode> irTree = generateIRTree(name);
System.out.printf(" %8d |", counter);
long maxWaitTime = TimeUnit.MINUTES.toMillis(MINUTES_TO_WAIT);
double generationTime = System.currentTimeMillis() - start;
System.out.printf(" %8.0f |", generationTime);
start = System.currentTimeMillis();
Thread generatorThread = new Thread(() -> {
for (TestsGenerator generator : generators) {
generator.accept(irTree.first, irTree.second);
}
});
generatorThread.start();
try {
generatorThread.join(maxWaitTime);
} catch (InterruptedException ie) {
throw new Error("Test generation interrupted: " + ie, ie);
}
if (generatorThread.isAlive()) {
// maxTime reached, so, proceed to next test generation
generatorThread.interrupt();
} else {
double runningTime = System.currentTimeMillis() - start;
System.out.printf(" %8.0f |%n", runningTime);
if (runningTime < maxWaitTime) {
++counter;
}
}
} while (counter < ProductionParams.numberOfTests.value());
}
}