code: package de.tu_darmstadt.stg.mudetect.overlapsfinder;
  
  import de.tu_darmstadt.stg.mudetect.aug.model.TestAUGBuilder;
  import org.junit.Test;
  
  import static de.tu_darmstadt.stg.mudetect.aug.model.TestAUGBuilder.buildAUG;
  import static de.tu_darmstadt.stg.mudetect.overlapsfinder.OverlapsFinderTestUtils.findOverlaps;
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.Matchers.empty;
  import static org.junit.Assert.assertThat;
  
  public class FindNoOverlapsTest {
      @Test
      public void ignoresNonOverlappingTarget() {
          TestAUGBuilder pattern = buildAUG().withActionNode("F.foo()");
          TestAUGBuilder target = buildAUG().withActionNode("B.bar()");
  
          assertNoOverlap(pattern, target);
      }
  
      @Test
      public void ignoresDateNodeOverlap() {
          TestAUGBuilder pattern = buildAUG().withDataNode("Object");
          TestAUGBuilder target = buildAUG().withDataNode("Object");
  
          assertNoOverlap(pattern, target);
      }
  
      private void assertNoOverlap(TestAUGBuilder patternBuilder, TestAUGBuilder targetBuilder) {
          assertThat(findOverlaps(patternBuilder, targetBuilder), is(empty()));
      }
  
  }
  