+
+ @Test(groups = "Functional")
+ public void testNoFeaturesDisplayed()
+ {
+ /*
+ * no features on alignment to render
+ */
+ assertTrue(finder.noFeaturesDisplayed());
+
+ /*
+ * add a feature
+ * it will be automatically set visible but the viewport
+ * is still configured not to show features
+ */
+ seq.addSequenceFeature(new SequenceFeature("Metal", "Metal", 2, 12,
+ Float.NaN, "MetalGroup"));
+ FeatureColour red = new FeatureColour(Color.red);
+ fr.setColour("Metal", red);
+ fr.featuresAdded();
+ assertTrue(finder.noFeaturesDisplayed());
+
+ /*
+ * turn on feature display
+ */
+ av.setShowSequenceFeatures(true);
+ assertFalse(finder.noFeaturesDisplayed());
+
+ /*
+ * turn off display of Metal
+ */
+ Object[][] data = new Object[1][];
+ data[0] = new Object[] { "Metal", red, false };
+ fr.setFeaturePriority(data);
+ assertTrue(finder.noFeaturesDisplayed());
+
+ /*
+ * turn display of Metal back on
+ */
+ fr.setVisible("Metal");
+ assertFalse(finder.noFeaturesDisplayed());
+
+ /*
+ * turn off MetalGroup - has no effect here since the group of a
+ * sequence feature instance is independent of its type
+ */
+ fr.setGroupVisibility("MetalGroup", false);
+ assertFalse(finder.noFeaturesDisplayed());
+ }