code: package edu.iastate.cs.egroum.aug;
  
  import de.tu_darmstadt.stg.mudetect.aug.model.APIUsageExample;
  import org.junit.Test;
  
  import static de.tu_darmstadt.stg.mudetect.aug.matchers.AUGMatchers.hasNode;
  import static de.tu_darmstadt.stg.mudetect.aug.matchers.NodeMatchers.*;
  import static de.tu_darmstadt.stg.mudetect.aug.matchers.NodePropertyMatchers.name;
  import static de.tu_darmstadt.stg.mudetect.aug.matchers.NodePropertyMatchers.type;
  import static de.tu_darmstadt.stg.mudetect.aug.matchers.NodePropertyMatchers.value;
  import static edu.iastate.cs.egroum.aug.AUGBuilderTestUtils.buildAUG;
  import static org.hamcrest.CoreMatchers.both;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  public class EncodeConstantTest {
  
      @Test
      public void encodesPrimitiveConstantWithNameAndValue() {
          APIUsageExample aug = buildAUG("void m() { return Integer.MAX_VALUE; }");
  
          assertThat(aug, hasNode(dataNodeWith(both(type("int")).and(name("Integer.MAX_VALUE"))
                  .and(value(String.valueOf(Integer.MAX_VALUE))))));
      }
  
      @Test
      public void encodesObjectConstantWithName() {
          APIUsageExample aug = buildAUG("java.awt.Color m() { return java.awt.Color.BLACK; }");
  
          assertThat(aug, hasNode(dataNodeWith(both(type("Color")).and(name("Color.BLACK")).and(value(null)))));
      }
  }
  