JAL-3210 Barebones gradle/buildship/eclipse. See README
[jalview.git] / test / jalview / datamodel / features / FeatureStoreJSTest.java
diff --git a/test/jalview/datamodel/features/FeatureStoreJSTest.java b/test/jalview/datamodel/features/FeatureStoreJSTest.java
deleted file mode 100644 (file)
index 12b6c74..0000000
+++ /dev/null
@@ -1,891 +0,0 @@
-package jalview.datamodel.features;
-
-import static org.testng.Assert.assertEquals;
-import static org.testng.Assert.assertFalse;
-import static org.testng.Assert.assertSame;
-import static org.testng.Assert.assertTrue;
-
-import jalview.datamodel.SequenceFeature;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
-
-import org.testng.annotations.Test;
-
-public class FeatureStoreJSTest
-{
-
-  @Test(groups = "Functional")
-  public void testFindFeatures_nonNested()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    fs.addFeature(new SequenceFeature("", "", 10, 20, Float.NaN,
-            null));
-    // same range different description
-    fs.addFeature(new SequenceFeature("", "desc", 10, 20, Float.NaN, null));
-    fs.addFeature(new SequenceFeature("", "", 15, 25, Float.NaN, null));
-    fs.addFeature(new SequenceFeature("", "", 20, 35, Float.NaN, null));
-
-    List<SequenceFeature> overlaps = fs.findOverlappingFeatures(1, 9);
-    assertTrue(overlaps.isEmpty());
-
-    overlaps = fs.findOverlappingFeatures(8, 10);
-    assertEquals(overlaps.size(), 2);
-    assertEquals(overlaps.get(0).getEnd(), 20);
-    assertEquals(overlaps.get(1).getEnd(), 20);
-
-    overlaps = fs.findOverlappingFeatures(12, 16);
-    assertEquals(overlaps.size(), 3);
-    assertEquals(overlaps.get(0).getEnd(), 20);
-    assertEquals(overlaps.get(1).getEnd(), 20);
-    assertEquals(overlaps.get(2).getEnd(), 25);
-
-    overlaps = fs.findOverlappingFeatures(33, 33);
-    assertEquals(overlaps.size(), 1);
-    assertEquals(overlaps.get(0).getEnd(), 35);
-  }
-
-  private FeatureStoreI newFeatureStore()
-  {
-    return new FeatureStoreJS();
-    // return new FeatureStoreImpl();
-  }
-
-  @Test(groups = "Functional")
-  public void testFindFeatures_nested()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    SequenceFeature sf1 = addFeature(fs, 10, 50);
-    SequenceFeature sf2 = addFeature(fs, 10, 40);
-    SequenceFeature sf3 = addFeature(fs, 20, 30);
-    // fudge feature at same location but different group (so is added)
-    SequenceFeature sf4 = new SequenceFeature("", "", 20, 30, Float.NaN,
-            "different group");
-    fs.addFeature(sf4);
-    SequenceFeature sf5 = addFeature(fs, 35, 36);
-
-    List<SequenceFeature> overlaps = fs.findOverlappingFeatures(1, 9);
-    assertTrue(overlaps.isEmpty());
-
-    overlaps = fs.findOverlappingFeatures(10, 15);
-    assertEquals(overlaps.size(), 2);
-    assertTrue(overlaps.contains(sf1));
-    assertTrue(overlaps.contains(sf2));
-
-    overlaps = fs.findOverlappingFeatures(45, 60);
-    assertEquals(overlaps.size(), 1);
-    assertTrue(overlaps.contains(sf1));
-
-    overlaps = fs.findOverlappingFeatures(32, 38);
-    assertEquals(overlaps.size(), 3);
-    assertTrue(overlaps.contains(sf1));
-    assertTrue(overlaps.contains(sf2));
-    assertTrue(overlaps.contains(sf5));
-
-    overlaps = fs.findOverlappingFeatures(15, 25);
-    assertEquals(overlaps.size(), 4);
-    assertTrue(overlaps.contains(sf1));
-    assertTrue(overlaps.contains(sf2));
-    assertTrue(overlaps.contains(sf3));
-    assertTrue(overlaps.contains(sf4));
-  }
-
-  @Test(groups = "Functional")
-  public void testFindFeatures_mixed()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    SequenceFeature sf1 = addFeature(fs, 10, 50);
-    SequenceFeature sf2 = addFeature(fs, 1, 15);
-    SequenceFeature sf3 = addFeature(fs, 20, 30);
-    SequenceFeature sf4 = addFeature(fs, 40, 100);
-    SequenceFeature sf5 = addFeature(fs, 60, 100);
-    SequenceFeature sf6 = addFeature(fs, 70, 70);
-
-    List<SequenceFeature> overlaps = fs.findOverlappingFeatures(200, 200);
-    assertTrue(overlaps.isEmpty());
-
-    overlaps = fs.findOverlappingFeatures(1, 9);
-    assertEquals(overlaps.size(), 1);
-    assertTrue(overlaps.contains(sf2));
-
-    overlaps = fs.findOverlappingFeatures(5, 18);
-    assertEquals(overlaps.size(), 2);
-    assertTrue(overlaps.contains(sf1));
-    assertTrue(overlaps.contains(sf2));
-
-    overlaps = fs.findOverlappingFeatures(30, 40);
-    assertEquals(overlaps.size(), 3);
-    assertTrue(overlaps.contains(sf1));
-    assertTrue(overlaps.contains(sf3));
-    assertTrue(overlaps.contains(sf4));
-
-    overlaps = fs.findOverlappingFeatures(80, 90);
-    assertEquals(overlaps.size(), 2);
-    assertTrue(overlaps.contains(sf4));
-    assertTrue(overlaps.contains(sf5));
-
-    overlaps = fs.findOverlappingFeatures(68, 70);
-    assertEquals(overlaps.size(), 3);
-    assertTrue(overlaps.contains(sf4));
-    assertTrue(overlaps.contains(sf5));
-    assertTrue(overlaps.contains(sf6));
-  }
-
-  /**
-   * Helper method to add a feature of no particular type
-   * 
-   * @param fs
-   * @param from
-   * @param to
-   * @return
-   */
-  SequenceFeature addFeature(FeatureStoreI fs, int from, int to)
-  {
-    SequenceFeature sf1 = new SequenceFeature("", "", from, to, Float.NaN,
-            null);
-    fs.addFeature(sf1);
-    return sf1;
-  }
-
-  @Test(groups = "Functional")
-  public void testFindFeatures_contactFeatures()
-  {
-    FeatureStoreI fs = newFeatureStore();
-
-    SequenceFeature sf = new SequenceFeature("disulphide bond", "bond", 10,
-            20, Float.NaN, null);
-    fs.addFeature(sf);
-
-    /*
-     * neither contact point in range
-     */
-    List<SequenceFeature> overlaps = fs.findOverlappingFeatures(1, 9);
-    assertTrue(overlaps.isEmpty());
-
-    /*
-     * neither contact point in range
-     */
-    overlaps = fs.findOverlappingFeatures(11, 19);
-    assertTrue(overlaps.isEmpty());
-
-    /*
-     * first contact point in range
-     */
-    overlaps = fs.findOverlappingFeatures(5, 15);
-    assertEquals(overlaps.size(), 1);
-    assertTrue(overlaps.contains(sf));
-
-    /*
-     * second contact point in range
-     */
-    overlaps = fs.findOverlappingFeatures(15, 25);
-    assertEquals(overlaps.size(), 1);
-    assertTrue(overlaps.contains(sf));
-
-    /*
-     * both contact points in range
-     */
-    overlaps = fs.findOverlappingFeatures(5, 25);
-    assertEquals(overlaps.size(), 1);
-    assertTrue(overlaps.contains(sf));
-  }
-
-  @Test(groups = "Functional")
-  public void testGetPositionalFeatures()
-  {
-    FeatureStoreI store = newFeatureStore();
-    SequenceFeature sf1 = new SequenceFeature("Metal", "desc", 10, 20,
-            Float.NaN, null);
-    store.addFeature(sf1);
-    // same range, different description
-    SequenceFeature sf2 = new SequenceFeature("Metal", "desc2", 10, 20,
-            Float.NaN, null);
-    store.addFeature(sf2);
-    // discontiguous range
-    SequenceFeature sf3 = new SequenceFeature("Metal", "desc", 30, 40,
-            Float.NaN, null);
-    store.addFeature(sf3);
-    // overlapping range
-    SequenceFeature sf4 = new SequenceFeature("Metal", "desc", 15, 35,
-            Float.NaN, null);
-    store.addFeature(sf4);
-    // enclosing range
-    SequenceFeature sf5 = new SequenceFeature("Metal", "desc", 5, 50,
-            Float.NaN, null);
-    store.addFeature(sf5);
-    // non-positional feature
-    SequenceFeature sf6 = new SequenceFeature("Metal", "desc", 0, 0,
-            Float.NaN, null);
-    store.addFeature(sf6);
-    // contact feature
-    SequenceFeature sf7 = new SequenceFeature("Disulphide bond", "desc",
-            18, 45, Float.NaN, null);
-    store.addFeature(sf7);
-
-    List<SequenceFeature> features = store.getPositionalFeatures();
-    assertEquals(features.size(), 6);
-    assertTrue(features.contains(sf1));
-    assertTrue(features.contains(sf2));
-    assertTrue(features.contains(sf3));
-    assertTrue(features.contains(sf4));
-    assertTrue(features.contains(sf5));
-    assertFalse(features.contains(sf6));
-    assertTrue(features.contains(sf7));
-
-    features = store.getNonPositionalFeatures();
-    assertEquals(features.size(), 1);
-    assertTrue(features.contains(sf6));
-  }
-
-  @Test(groups = "Functional")
-  public void testDelete()
-  {
-    FeatureStoreI store = newFeatureStore();
-    SequenceFeature sf1 = addFeature(store, 10, 20);
-    assertTrue(store.getPositionalFeatures().contains(sf1));
-
-    /*
-     * simple deletion
-     */
-    assertTrue(store.delete(sf1));
-    assertTrue(store.getPositionalFeatures().isEmpty());
-
-    /*
-     * non-positional feature deletion
-     */
-    SequenceFeature sf2 = addFeature(store, 0, 0);
-    assertFalse(store.getPositionalFeatures().contains(sf2));
-    assertTrue(store.getNonPositionalFeatures().contains(sf2));
-    assertTrue(store.delete(sf2));
-    assertTrue(store.getNonPositionalFeatures().isEmpty());
-
-    /*
-     * contact feature deletion
-     */
-    SequenceFeature sf3 = new SequenceFeature("", "Disulphide Bond", 11,
-            23, Float.NaN, null);
-    store.addFeature(sf3);
-    assertEquals(store.getPositionalFeatures().size(), 1);
-    assertTrue(store.getPositionalFeatures().contains(sf3));
-    assertTrue(store.delete(sf3));
-    assertTrue(store.getPositionalFeatures().isEmpty());
-
-    /*
-     * nested feature deletion
-     */
-    SequenceFeature sf4 = addFeature(store, 20, 30);
-    SequenceFeature sf5 = addFeature(store, 22, 26); // to NCList
-    SequenceFeature sf6 = addFeature(store, 23, 24); // child of sf5
-    SequenceFeature sf7 = addFeature(store, 25, 25); // sibling of sf6
-    SequenceFeature sf8 = addFeature(store, 24, 24); // child of sf6
-    SequenceFeature sf9 = addFeature(store, 23, 23); // child of sf6
-    assertEquals(store.getPositionalFeatures().size(), 6);
-
-    // delete a node with children - they take its place
-    assertTrue(store.delete(sf6)); // sf8, sf9 should become children of sf5
-    assertEquals(store.getPositionalFeatures().size(), 5);
-    assertFalse(store.getPositionalFeatures().contains(sf6));
-
-    // delete a node with no children
-    assertTrue(store.delete(sf7));
-    assertEquals(store.getPositionalFeatures().size(), 4);
-    assertFalse(store.getPositionalFeatures().contains(sf7));
-
-    // delete root of NCList
-    assertTrue(store.delete(sf5));
-    assertEquals(store.getPositionalFeatures().size(), 3);
-    assertFalse(store.getPositionalFeatures().contains(sf5));
-
-    // continue the killing fields
-    assertTrue(store.delete(sf4));
-    assertEquals(store.getPositionalFeatures().size(), 2);
-    assertFalse(store.getPositionalFeatures().contains(sf4));
-
-    assertTrue(store.delete(sf9));
-    assertEquals(store.getPositionalFeatures().size(), 1);
-    assertFalse(store.getPositionalFeatures().contains(sf9));
-
-    assertTrue(store.delete(sf8));
-    assertTrue(store.getPositionalFeatures().isEmpty());
-  }
-
-  @Test(groups = "Functional")
-  public void testAddFeature()
-  {
-    FeatureStoreI fs = newFeatureStore();
-
-    SequenceFeature sf1 = new SequenceFeature("Cath", "", 10, 20,
-            Float.NaN, null);
-    SequenceFeature sf2 = new SequenceFeature("Cath", "", 10, 20,
-            Float.NaN, null);
-
-    assertTrue(fs.addFeature(sf1));
-    assertEquals(fs.getFeatureCount(true), 1); // positional
-    assertEquals(fs.getFeatureCount(false), 0); // non-positional
-
-    /*
-     * re-adding the same or an identical feature should fail
-     */
-    assertFalse(fs.addFeature(sf1));
-    assertEquals(fs.getFeatureCount(true), 1);
-    assertFalse(fs.addFeature(sf2));
-    assertEquals(fs.getFeatureCount(true), 1);
-
-    /*
-     * add non-positional
-     */
-    SequenceFeature sf3 = new SequenceFeature("Cath", "", 0, 0, Float.NaN,
-            null);
-    assertTrue(fs.addFeature(sf3));
-    assertEquals(fs.getFeatureCount(true), 1); // positional
-    assertEquals(fs.getFeatureCount(false), 1); // non-positional
-    SequenceFeature sf4 = new SequenceFeature("Cath", "", 0, 0, Float.NaN,
-            null);
-    assertFalse(fs.addFeature(sf4)); // already stored
-    assertEquals(fs.getFeatureCount(true), 1); // positional
-    assertEquals(fs.getFeatureCount(false), 1); // non-positional
-
-    /*
-     * add contact
-     */
-    SequenceFeature sf5 = new SequenceFeature("Disulfide bond", "", 10, 20,
-            Float.NaN, null);
-    assertTrue(fs.addFeature(sf5));
-    assertEquals(fs.getFeatureCount(true), 2); // positional - add 1 for contact
-    assertEquals(fs.getFeatureCount(false), 1); // non-positional
-    SequenceFeature sf6 = new SequenceFeature("Disulfide bond", "", 10, 20,
-            Float.NaN, null);
-    assertFalse(fs.addFeature(sf6)); // already stored
-    assertEquals(fs.getFeatureCount(true), 2); // no change
-    assertEquals(fs.getFeatureCount(false), 1); // no change
-  }
-
-  @Test(groups = "Functional")
-  public void testIsEmpty()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    assertTrue(fs.isEmpty());
-    assertEquals(fs.getFeatureCount(true), 0);
-
-    /*
-     * non-nested feature
-     */
-    SequenceFeature sf1 = new SequenceFeature("Cath", "", 10, 20,
-            Float.NaN, null);
-    fs.addFeature(sf1);
-    assertFalse(fs.isEmpty());
-    assertEquals(fs.getFeatureCount(true), 1);
-    fs.delete(sf1);
-    assertTrue(fs.isEmpty());
-    assertEquals(fs.getFeatureCount(true), 0);
-
-    /*
-     * non-positional feature
-     */
-    sf1 = new SequenceFeature("Cath", "", 0, 0, Float.NaN, null);
-    fs.addFeature(sf1);
-    assertFalse(fs.isEmpty());
-    assertEquals(fs.getFeatureCount(false), 1); // non-positional
-    assertEquals(fs.getFeatureCount(true), 0); // positional
-    fs.delete(sf1);
-    assertTrue(fs.isEmpty());
-    assertEquals(fs.getFeatureCount(false), 0);
-
-    /*
-     * contact feature
-     */
-    sf1 = new SequenceFeature("Disulfide bond", "", 19, 49, Float.NaN, null);
-    fs.addFeature(sf1);
-    assertFalse(fs.isEmpty());
-    assertEquals(fs.getFeatureCount(true), 1);
-    fs.delete(sf1);
-    assertTrue(fs.isEmpty());
-    assertEquals(fs.getFeatureCount(true), 0);
-
-    /*
-     * sf2, sf3 added as nested features
-     */
-    sf1 = new SequenceFeature("Cath", "", 19, 49, Float.NaN, null);
-    SequenceFeature sf2 = new SequenceFeature("Cath", "", 20, 40,
-            Float.NaN, null);
-    SequenceFeature sf3 = new SequenceFeature("Cath", "", 25, 35,
-            Float.NaN, null);
-    fs.addFeature(sf1);
-    fs.addFeature(sf2);
-    fs.addFeature(sf3);
-    assertEquals(fs.getFeatureCount(true), 3);
-    assertTrue(fs.delete(sf1));
-    assertEquals(fs.getFeatureCount(true), 2);
-    assertEquals(fs.getFeatures().size(), 2);
-    assertFalse(fs.isEmpty());
-    assertTrue(fs.delete(sf2));
-    assertEquals(fs.getFeatureCount(true), 1);
-    assertFalse(fs.isEmpty());
-    assertTrue(fs.delete(sf3));
-    assertEquals(fs.getFeatureCount(true), 0);
-    assertTrue(fs.isEmpty()); // all gone
-  }
-
-  @Test(groups = "Functional")
-  public void testGetFeatureGroups()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    assertTrue(fs.getFeatureGroups(true).isEmpty());
-    assertTrue(fs.getFeatureGroups(false).isEmpty());
-
-    SequenceFeature sf1 = new SequenceFeature("Cath", "desc", 10, 20, 1f, "group1");
-    fs.addFeature(sf1);
-    Set<String> groups = fs.getFeatureGroups(true);
-    assertEquals(groups.size(), 1);
-    assertTrue(groups.contains("group1"));
-
-    /*
-     * add another feature of the same group, delete one, delete both
-     */
-    SequenceFeature sf2 = new SequenceFeature("Cath", "desc", 20, 30, 1f, "group1");
-    fs.addFeature(sf2);
-    groups = fs.getFeatureGroups(true);
-    assertEquals(groups.size(), 1);
-    assertTrue(groups.contains("group1"));
-    fs.delete(sf2);
-    groups = fs.getFeatureGroups(true);
-    assertEquals(groups.size(), 1);
-    assertTrue(groups.contains("group1"));
-    fs.delete(sf1);
-    groups = fs.getFeatureGroups(true);
-    assertTrue(fs.getFeatureGroups(true).isEmpty());
-
-    SequenceFeature sf3 = new SequenceFeature("Cath", "desc", 20, 30, 1f, "group2");
-    fs.addFeature(sf3);
-    SequenceFeature sf4 = new SequenceFeature("Cath", "desc", 20, 30, 1f, "Group2");
-    fs.addFeature(sf4);
-    SequenceFeature sf5 = new SequenceFeature("Cath", "desc", 20, 30, 1f, null);
-    fs.addFeature(sf5);
-    groups = fs.getFeatureGroups(true);
-    assertEquals(groups.size(), 3);
-    assertTrue(groups.contains("group2"));
-    assertTrue(groups.contains("Group2")); // case sensitive
-    assertTrue(groups.contains(null)); // null allowed
-    assertTrue(fs.getFeatureGroups(false).isEmpty()); // non-positional
-
-    fs.delete(sf3);
-    groups = fs.getFeatureGroups(true);
-    assertEquals(groups.size(), 2);
-    assertFalse(groups.contains("group2"));
-    fs.delete(sf4);
-    groups = fs.getFeatureGroups(true);
-    assertEquals(groups.size(), 1);
-    assertFalse(groups.contains("Group2"));
-    fs.delete(sf5);
-    groups = fs.getFeatureGroups(true);
-    assertTrue(groups.isEmpty());
-
-    /*
-     * add non-positional feature
-     */
-    SequenceFeature sf6 = new SequenceFeature("Cath", "desc", 0, 0, 1f,
-            "CathGroup");
-    fs.addFeature(sf6);
-    groups = fs.getFeatureGroups(false);
-    assertEquals(groups.size(), 1);
-    assertTrue(groups.contains("CathGroup"));
-    assertTrue(fs.delete(sf6));
-    assertTrue(fs.getFeatureGroups(false).isEmpty());
-  }
-
-  @Test(groups = "Functional")
-  public void testGetTotalFeatureLength()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    assertEquals(fs.getTotalFeatureLength(), 0);
-
-    addFeature(fs, 10, 20); // 11
-    assertEquals(fs.getTotalFeatureLength(), 11);
-    addFeature(fs, 17, 37); // 21
-    SequenceFeature sf1 = addFeature(fs, 14, 74); // 61
-    assertEquals(fs.getTotalFeatureLength(), 93);
-
-    // non-positional features don't count
-    SequenceFeature sf2 = new SequenceFeature("Cath", "desc", 0, 0, 1f,
-            "group1");
-    fs.addFeature(sf2);
-    assertEquals(fs.getTotalFeatureLength(), 93);
-
-    // contact features count 1
-    SequenceFeature sf3 = new SequenceFeature("disulphide bond", "desc",
-            15, 35, 1f, "group1");
-    fs.addFeature(sf3);
-    assertEquals(fs.getTotalFeatureLength(), 94);
-
-    assertTrue(fs.delete(sf1));
-    assertEquals(fs.getTotalFeatureLength(), 33);
-    assertFalse(fs.delete(sf1));
-    assertEquals(fs.getTotalFeatureLength(), 33);
-    assertTrue(fs.delete(sf2));
-    assertEquals(fs.getTotalFeatureLength(), 33);
-    assertTrue(fs.delete(sf3));
-    assertEquals(fs.getTotalFeatureLength(), 32);
-  }
-
-  @Test(groups = "Functional")
-  public void testGetFeatureLength()
-  {
-    /*
-     * positional feature
-     */
-    SequenceFeature sf1 = new SequenceFeature("Cath", "desc", 10, 20, 1f, "group1");
-    assertEquals(FeatureStore.getFeatureLength(sf1), 11);
-  
-    /*
-     * non-positional feature
-     */
-    SequenceFeature sf2 = new SequenceFeature("Cath", "desc", 0, 0, 1f,
-            "CathGroup");
-    assertEquals(FeatureStore.getFeatureLength(sf2), 0);
-
-    /*
-     * contact feature counts 1
-     */
-    SequenceFeature sf3 = new SequenceFeature("Disulphide Bond", "desc",
-            14, 28, 1f, "AGroup");
-    assertEquals(FeatureStore.getFeatureLength(sf3), 1);
-  }
-
-  @Test(groups = "Functional")
-  public void testMin()
-  {
-    assertEquals(FeatureStore.min(Float.NaN, Float.NaN), Float.NaN);
-    assertEquals(FeatureStore.min(Float.NaN, 2f), 2f);
-    assertEquals(FeatureStore.min(-2f, Float.NaN), -2f);
-    assertEquals(FeatureStore.min(2f, -3f), -3f);
-  }
-
-  @Test(groups = "Functional")
-  public void testMax()
-  {
-    assertEquals(FeatureStore.max(Float.NaN, Float.NaN), Float.NaN);
-    assertEquals(FeatureStore.max(Float.NaN, 2f), 2f);
-    assertEquals(FeatureStore.max(-2f, Float.NaN), -2f);
-    assertEquals(FeatureStore.max(2f, -3f), 2f);
-  }
-
-  @Test(groups = "Functional")
-  public void testGetMinimumScore_getMaximumScore()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    assertEquals(fs.getMinimumScore(true), Float.NaN); // positional
-    assertEquals(fs.getMaximumScore(true), Float.NaN);
-    assertEquals(fs.getMinimumScore(false), Float.NaN); // non-positional
-    assertEquals(fs.getMaximumScore(false), Float.NaN);
-
-    // add features with no score
-    SequenceFeature sf1 = new SequenceFeature("type", "desc", 0, 0,
-            Float.NaN, "group");
-    fs.addFeature(sf1);
-    SequenceFeature sf2 = new SequenceFeature("type", "desc", 10, 20,
-            Float.NaN, "group");
-    fs.addFeature(sf2);
-    assertEquals(fs.getMinimumScore(true), Float.NaN);
-    assertEquals(fs.getMaximumScore(true), Float.NaN);
-    assertEquals(fs.getMinimumScore(false), Float.NaN);
-    assertEquals(fs.getMaximumScore(false), Float.NaN);
-
-    // add positional features with score
-    SequenceFeature sf3 = new SequenceFeature("type", "desc", 10, 20, 1f,
-            "group");
-    fs.addFeature(sf3);
-    SequenceFeature sf4 = new SequenceFeature("type", "desc", 12, 16, 4f,
-            "group");
-    fs.addFeature(sf4);
-    assertEquals(fs.getMinimumScore(true), 1f);
-    assertEquals(fs.getMaximumScore(true), 4f);
-    assertEquals(fs.getMinimumScore(false), Float.NaN);
-    assertEquals(fs.getMaximumScore(false), Float.NaN);
-
-    // add non-positional features with score
-    SequenceFeature sf5 = new SequenceFeature("type", "desc", 0, 0, 11f,
-            "group");
-    fs.addFeature(sf5);
-    SequenceFeature sf6 = new SequenceFeature("type", "desc", 0, 0, -7f,
-            "group");
-    fs.addFeature(sf6);
-    assertEquals(fs.getMinimumScore(true), 1f);
-    assertEquals(fs.getMaximumScore(true), 4f);
-    assertEquals(fs.getMinimumScore(false), -7f);
-    assertEquals(fs.getMaximumScore(false), 11f);
-
-    // delete one positional and one non-positional
-    // min-max should be recomputed
-    assertTrue(fs.delete(sf6));
-    assertTrue(fs.delete(sf3));
-    assertEquals(fs.getMinimumScore(true), 4f);
-    assertEquals(fs.getMaximumScore(true), 4f);
-    assertEquals(fs.getMinimumScore(false), 11f);
-    assertEquals(fs.getMaximumScore(false), 11f);
-
-    // delete remaining features with score
-    assertTrue(fs.delete(sf4));
-    assertTrue(fs.delete(sf5));
-    assertEquals(fs.getMinimumScore(true), Float.NaN);
-    assertEquals(fs.getMaximumScore(true), Float.NaN);
-    assertEquals(fs.getMinimumScore(false), Float.NaN);
-    assertEquals(fs.getMaximumScore(false), Float.NaN);
-
-    // delete all features
-    assertTrue(fs.delete(sf1));
-    assertTrue(fs.delete(sf2));
-    assertTrue(fs.isEmpty());
-    assertEquals(fs.getMinimumScore(true), Float.NaN);
-    assertEquals(fs.getMaximumScore(true), Float.NaN);
-    assertEquals(fs.getMinimumScore(false), Float.NaN);
-    assertEquals(fs.getMaximumScore(false), Float.NaN);
-  }
-
-  @Test(groups = "Functional")
-  public void testListContains()
-  {
-    FeatureStoreI featureStore = newFeatureStore();
-    assertFalse(featureStore.listContains(null, null));
-    List<SequenceFeature> features = new ArrayList<>();
-    assertFalse(featureStore.listContains(features, null));
-
-    SequenceFeature sf1 = new SequenceFeature("type1", "desc1", 20, 30, 3f,
-            "group1");
-    assertFalse(featureStore.listContains(null, sf1));
-    assertFalse(featureStore.listContains(features, sf1));
-
-    features.add(sf1);
-    SequenceFeature sf2 = new SequenceFeature("type1", "desc1", 20, 30, 3f,
-            "group1");
-    SequenceFeature sf3 = new SequenceFeature("type1", "desc1", 20, 40, 3f,
-            "group1");
-
-    // sf2.equals(sf1) so contains should return true
-    assertTrue(featureStore.listContains(features, sf2));
-    assertFalse(featureStore.listContains(features, sf3));
-  }
-
-  @Test(groups = "Functional")
-  public void testGetFeaturesForGroup()
-  {
-    FeatureStoreI fs = newFeatureStore();
-
-    /*
-     * with no features
-     */
-    assertTrue(fs.getFeaturesForGroup(true, null).isEmpty());
-    assertTrue(fs.getFeaturesForGroup(false, null).isEmpty());
-    assertTrue(fs.getFeaturesForGroup(true, "uniprot").isEmpty());
-    assertTrue(fs.getFeaturesForGroup(false, "uniprot").isEmpty());
-
-    /*
-     * sf1: positional feature in the null group
-     */
-    SequenceFeature sf1 = new SequenceFeature("Pfam", "desc", 4, 10, 0f,
-            null);
-    fs.addFeature(sf1);
-    assertTrue(fs.getFeaturesForGroup(true, "uniprot").isEmpty());
-    assertTrue(fs.getFeaturesForGroup(false, "uniprot").isEmpty());
-    assertTrue(fs.getFeaturesForGroup(false, null).isEmpty());
-    List<SequenceFeature> features = fs.getFeaturesForGroup(true, null);
-    assertEquals(features.size(), 1);
-    assertTrue(features.contains(sf1));
-
-    /*
-     * sf2: non-positional feature in the null group
-     * sf3: positional feature in a non-null group
-     * sf4: non-positional feature in a non-null group
-     */
-    SequenceFeature sf2 = new SequenceFeature("Pfam", "desc", 0, 0, 0f,
-            null);
-    SequenceFeature sf3 = new SequenceFeature("Pfam", "desc", 4, 10, 0f,
-            "Uniprot");
-    SequenceFeature sf4 = new SequenceFeature("Pfam", "desc", 0, 0, 0f,
-            "Rfam");
-    fs.addFeature(sf2);
-    fs.addFeature(sf3);
-    fs.addFeature(sf4);
-
-    features = fs.getFeaturesForGroup(true, null);
-    assertEquals(features.size(), 1);
-    assertTrue(features.contains(sf1));
-
-    features = fs.getFeaturesForGroup(false, null);
-    assertEquals(features.size(), 1);
-    assertTrue(features.contains(sf2));
-
-    features = fs.getFeaturesForGroup(true, "Uniprot");
-    assertEquals(features.size(), 1);
-    assertTrue(features.contains(sf3));
-
-    features = fs.getFeaturesForGroup(false, "Rfam");
-    assertEquals(features.size(), 1);
-    assertTrue(features.contains(sf4));
-  }
-
-  @Test(groups = "Functional")
-  public void testShiftFeatures()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    assertFalse(fs.shiftFeatures(0, 1)); // nothing to do
-
-    SequenceFeature sf1 = new SequenceFeature("Cath", "", 2, 5, 0f, null);
-    fs.addFeature(sf1);
-    // nested feature:
-    SequenceFeature sf2 = new SequenceFeature("Cath", "", 8, 14, 0f, null);
-    fs.addFeature(sf2);
-    // contact feature:
-    SequenceFeature sf3 = new SequenceFeature("Disulfide bond", "", 23, 32,
-            0f, null);
-    fs.addFeature(sf3);
-    // non-positional feature:
-    SequenceFeature sf4 = new SequenceFeature("Cath", "", 0, 0, 0f, null);
-    fs.addFeature(sf4);
-
-    /*
-     * shift all features right by 5
-     */
-    assertTrue(fs.shiftFeatures(0, 5));
-
-    // non-positional features untouched:
-    List<SequenceFeature> nonPos = fs.getNonPositionalFeatures();
-    assertEquals(nonPos.size(), 1);
-    assertTrue(nonPos.contains(sf4));
-
-    // positional features are replaced
-    List<SequenceFeature> pos = fs.getPositionalFeatures();
-    assertEquals(pos.size(), 3);
-    assertFalse(pos.contains(sf1));
-    assertFalse(pos.contains(sf2));
-    assertFalse(pos.contains(sf3));
-    SequenceFeatures.sortFeatures(pos, true); // ascending start pos
-    assertEquals(pos.get(0).getBegin(), 7);
-    assertEquals(pos.get(0).getEnd(), 10);
-    assertEquals(pos.get(1).getBegin(), 13);
-    assertEquals(pos.get(1).getEnd(), 19);
-    assertEquals(pos.get(2).getBegin(), 28);
-    assertEquals(pos.get(2).getEnd(), 37);
-
-    /*
-     * now shift left by 15
-     * feature at [7-10] should be removed
-     * feature at [13-19] should become [1-4] 
-     */
-    assertTrue(fs.shiftFeatures(0, -15));
-    pos = fs.getPositionalFeatures();
-    assertEquals(pos.size(), 2);
-    SequenceFeatures.sortFeatures(pos, true);
-    assertEquals(pos.get(0).getBegin(), 1);
-    assertEquals(pos.get(0).getEnd(), 4);
-    assertEquals(pos.get(1).getBegin(), 13);
-    assertEquals(pos.get(1).getEnd(), 22);
-
-    /*
-     * shift right by 4 from position 2 onwards
-     * feature at [1-4] unchanged, feature at [13-22] shifts
-     */
-    assertTrue(fs.shiftFeatures(2, 4));
-    pos = fs.getPositionalFeatures();
-    assertEquals(pos.size(), 2);
-    SequenceFeatures.sortFeatures(pos, true);
-    assertEquals(pos.get(0).getBegin(), 1);
-    assertEquals(pos.get(0).getEnd(), 4);
-    assertEquals(pos.get(1).getBegin(), 17);
-    assertEquals(pos.get(1).getEnd(), 26);
-
-    /*
-     * shift right by 4 from position 18 onwards
-     * should be no change
-     */
-    SequenceFeature f1 = pos.get(0);
-    SequenceFeature f2 = pos.get(1);
-    assertFalse(fs.shiftFeatures(18, 4)); // no update
-    pos = fs.getPositionalFeatures();
-    assertEquals(pos.size(), 2);
-    SequenceFeatures.sortFeatures(pos, true);
-    assertSame(pos.get(0), f1);
-    assertSame(pos.get(1), f2);
-  }
-
-  @Test(groups = "Functional")
-  public void testDelete_readd()
-  {
-    /*
-     * add a feature and a nested feature
-     */
-    FeatureStoreI store = newFeatureStore();
-    SequenceFeature sf1 = addFeature(store, 10, 20);
-    // sf2 is nested in sf1 so will be stored in nestedFeatures
-    SequenceFeature sf2 = addFeature(store, 12, 14);
-    List<SequenceFeature> features = store.getPositionalFeatures();
-    assertEquals(features.size(), 2);
-    assertTrue(features.contains(sf1));
-    assertTrue(features.contains(sf2));
-    assertTrue(store.getFeatures().contains(sf1));
-    assertTrue(store.getFeatures().contains(sf2));
-  
-    /*
-     * delete the first feature
-     */
-    assertTrue(store.delete(sf1));
-    features = store.getPositionalFeatures();
-    assertFalse(features.contains(sf1));
-    assertTrue(features.contains(sf2));
-
-    /*
-     * re-add the 'nested' feature; is it now duplicated?
-     */
-    store.addFeature(sf2);
-    features = store.getPositionalFeatures();
-    assertEquals(features.size(), 1);
-    assertTrue(features.contains(sf2));
-  }
-
-  @Test(groups = "Functional")
-  public void testContains()
-  {
-    FeatureStoreI fs = newFeatureStore();
-    SequenceFeature sf1 = new SequenceFeature("Cath", "", 10, 20,
-            Float.NaN, "group1");
-    SequenceFeature sf2 = new SequenceFeature("Cath", "", 10, 20,
-            Float.NaN, "group2");
-    SequenceFeature sf3 = new SequenceFeature("Cath", "", 0, 0, Float.NaN,
-            "group1");
-    SequenceFeature sf4 = new SequenceFeature("Cath", "", 0, 0, 0f,
-            "group1");
-    SequenceFeature sf5 = new SequenceFeature("Disulphide Bond", "", 5, 15,
-            Float.NaN, "group1");
-    SequenceFeature sf6 = new SequenceFeature("Disulphide Bond", "", 5, 15,
-            Float.NaN, "group2");
-
-    fs.addFeature(sf1);
-    fs.addFeature(sf3);
-    fs.addFeature(sf5);
-    assertTrue(fs.contains(sf1)); // positional feature
-    assertTrue(fs.contains(new SequenceFeature(sf1))); // identical feature
-    assertFalse(fs.contains(sf2)); // different group
-    assertTrue(fs.contains(sf3)); // non-positional
-    assertTrue(fs.contains(new SequenceFeature(sf3)));
-    assertFalse(fs.contains(sf4)); // different score
-    assertTrue(fs.contains(sf5)); // contact feature
-    assertTrue(fs.contains(new SequenceFeature(sf5)));
-    assertFalse(fs.contains(sf6)); // different group
-
-    /*
-     * add a nested feature
-     */
-    SequenceFeature sf7 = new SequenceFeature("Cath", "", 12, 16,
-            Float.NaN, "group1");
-    fs.addFeature(sf7);
-    assertTrue(fs.contains(sf7));
-    assertTrue(fs.contains(new SequenceFeature(sf7)));
-
-    /*
-     * delete the outer (enclosing, non-nested) feature
-     */
-    fs.delete(sf1);
-    assertFalse(fs.contains(sf1));
-    assertTrue(fs.contains(sf7));
-  }
-}