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package au.id.zancanaro.javacheck;
import au.id.zancanaro.javacheck.annotations.Property;
import au.id.zancanaro.javacheck.junit.Properties;
import org.junit.runner.RunWith;
import java.util.ArrayList;
import java.util.List;
import static java.util.Collections.reverse;
import static java.util.Collections.sort;
import static org.junit.Assert.assertEquals;
@RunWith(Properties.class)
public class SimpleListOperationsTest {
private final static int runs = 1000;
private final static int maxSize = 1000;
@Property(maxSize = maxSize, runs = runs)
public void sortingIsIdempotent(List<Integer> list) {
List<Integer> left = new ArrayList<>(list);
sort(left);
List<Integer> right = new ArrayList<>(list);
sort(right);
sort(right);
assertEquals(left, right);
}
@Property(maxSize = 100, runs = runs)
public void reverseIsItsOwnInverse(List<String> list) {
List<String> reversed = new ArrayList<>(list);
reverse(reversed);
reverse(reversed);
assertEquals(list, reversed);
}
}
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