X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=test%2Fjalview%2Fdatamodel%2FColumnSelectionTest.java;h=e1d04eb09315f2d8f21e8ffd61a7ee786934d15f;hb=c2484e319127d8c57182a156138ef50de3740c64;hp=86e79494d6f21e136d20242fa8bbfd1b763eda21;hpb=f3703580024682cb917f21e47f32d97b2dac82de;p=jalview.git

diff --git a/test/jalview/datamodel/ColumnSelectionTest.java b/test/jalview/datamodel/ColumnSelectionTest.java
index 86e7949..e1d04eb 100644
--- a/test/jalview/datamodel/ColumnSelectionTest.java
+++ b/test/jalview/datamodel/ColumnSelectionTest.java
@@ -478,4 +478,47 @@ public class ColumnSelectionTest
     cs.addElement(0);
     assertEquals(0, cs.getMin());
   }
+
+  @Test(groups = { "Functional" })
+  public void testEquals()
+  {
+    ColumnSelection cs = new ColumnSelection();
+    cs.addElement(0);
+    cs.addElement(513);
+    cs.addElement(1);
+    cs.hideColumns(3);
+    cs.hideColumns(7);
+    cs.hideColumns(5,9);
+
+    // same selections added in a different order
+    ColumnSelection cs2 = new ColumnSelection();
+    cs2.addElement(1);
+    cs2.addElement(513);
+    cs2.addElement(0);
+    cs2.hideColumns(6, 9);
+    cs2.hideColumns(5, 8);
+    cs2.hideColumns(3);
+    
+    assertTrue(cs.equals(cs2));
+    assertTrue(cs.equals(cs));
+    assertTrue(cs2.equals(cs));
+    assertTrue(cs2.equals(cs2));
+
+    cs2.addElement(12);
+    assertFalse(cs.equals(cs2));
+    assertFalse(cs2.equals(cs));
+
+    cs2.removeElement(12);
+    assertTrue(cs.equals(cs2));
+
+    cs2.hideColumns(88);
+    assertFalse(cs.equals(cs2));
+    /*
+     * unhiding a column adds it to selection!
+     */
+    cs2.revealHiddenColumns(88);
+    assertFalse(cs.equals(cs2));
+    cs.addElement(88);
+    assertTrue(cs.equals(cs2));
+  }
 }