Method addCollisionNull

test/tree/TestTree.java:179–184

()

  }
  
  @Test (expected = IllegalArgumentException.class)
  public void addCollisionNull() throws Exception {
    final Tree tree = buildTestTree();
    assertNull(tree.getCollisions());
    tree.addCollision(null, "AABBCCDD");
  }
  
  @Test (expected = IllegalArgumentException.class)
  public void addCollisionEmpty() throws Exception {