X-Git-Url: http://source.jalview.org/gitweb/?p=jalview.git;a=blobdiff_plain;f=test%2Fjalview%2Futil%2FSetUtilsTest.java;fp=test%2Fjalview%2Futil%2FSetUtilsTest.java;h=ad17d4f9679c6de28524dab7542d898bd17f2b8d;hp=0000000000000000000000000000000000000000;hb=773ac00a0ac2eb882e993e567a650ee4d7df3dda;hpb=651ed4273f899e80f4931bed82714355e16fd837

diff --git a/test/jalview/util/SetUtilsTest.java b/test/jalview/util/SetUtilsTest.java
new file mode 100644
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--- /dev/null
+++ b/test/jalview/util/SetUtilsTest.java
@@ -0,0 +1,46 @@
+package jalview.util;
+
+import static org.testng.Assert.assertEquals;
+
+import java.awt.Color;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.testng.annotations.Test;
+
+public class SetUtilsTest
+{
+  @Test(groups = "Functional")
+  public void testCountDisjunction()
+  {
+    Set<Color> s1 = new HashSet<Color>();
+    assertEquals(SetUtils.countDisjunction(null, null), 0);
+    assertEquals(SetUtils.countDisjunction(s1, null), 0);
+    assertEquals(SetUtils.countDisjunction(null, s1), 0);
+    s1.add(Color.white);
+    assertEquals(SetUtils.countDisjunction(s1, null), 1);
+    assertEquals(SetUtils.countDisjunction(null, s1), 1);
+    assertEquals(SetUtils.countDisjunction(s1, null), 1);
+    assertEquals(SetUtils.countDisjunction(s1, s1), 0);
+
+    Set<Object> s2 = new HashSet<Object>();
+    assertEquals(SetUtils.countDisjunction(s2, s2), 0);
+    assertEquals(SetUtils.countDisjunction(s1, s2), 1);
+    assertEquals(SetUtils.countDisjunction(s2, s1), 1);
+
+    s1.add(Color.yellow);
+    s1.add(Color.blue);
+    s2.add(new Color(Color.yellow.getRGB()));
+
+    /*
+     * now s1 is {white, yellow, blue}
+     *     s2 is {yellow'}
+     */
+    assertEquals(SetUtils.countDisjunction(s1, s2), 2);
+    s2.add(Color.blue);
+    assertEquals(SetUtils.countDisjunction(s1, s2), 1);
+    s2.add(Color.pink);
+    assertEquals(SetUtils.countDisjunction(s1, s2), 2);
+
+  }
+}