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Mutation testing system for Java.

There is a newer version: 1.17.4

package org.pitest.mutationtest.config;

import org.pitest.testapi.TestUnit;
import org.pitest.testapi.TestUnitExecutionListener;
import org.pitest.testapi.TestUnitFinder;

import java.util.Collections;
import java.util.List;

class PrioritisingTestUnitFinder implements TestUnitFinder {
    private final List orderedChildren;

    PrioritisingTestUnitFinder(List orderedChildren) {
        this.orderedChildren = orderedChildren;
    }

    @Override
    public List findTestUnits(Class clazz, TestUnitExecutionListener listener) {
       for (TestUnitFinder each : orderedChildren) {
           List found = each.findTestUnits(clazz, listener);
           if (!found.isEmpty()) {
               return found;
           }
       }
       return Collections.emptyList();
    }
}