X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=test%2Fjalview%2Futil%2FColorUtilsTest.java;h=9a5d093046e385741c2b5e2b9bda83f24837dd4b;hb=cd9c7864b10bfc0917dfbbfbe11b3af086c9fc4d;hp=a82b9c0237b0793e71938066ffcdf19a0b9d0541;hpb=cb1244956d07a8233e6ff4e4f2e1db992f84f554;p=jalview.git

diff --git a/test/jalview/util/ColorUtilsTest.java b/test/jalview/util/ColorUtilsTest.java
index a82b9c0..9a5d093 100644
--- a/test/jalview/util/ColorUtilsTest.java
+++ b/test/jalview/util/ColorUtilsTest.java
@@ -22,14 +22,25 @@ package jalview.util;
 
 import static org.testng.AssertJUnit.assertEquals;
 import static org.testng.AssertJUnit.assertNull;
+import static org.testng.AssertJUnit.assertSame;
+
+import jalview.gui.JvOptionPane;
 
 import java.awt.Color;
 
+import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
 
 public class ColorUtilsTest
 {
 
+  @BeforeClass(alwaysRun = true)
+  public void setUpJvOptionPane()
+  {
+    JvOptionPane.setInteractiveMode(false);
+    JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
+  }
+
   Color paleColour = new Color(97, 203, 111); // pale green
 
   Color midColour = new Color(135, 57, 41); // mid red
@@ -122,8 +133,7 @@ public class ColorUtilsTest
      * value > max
      */
     col = ColorUtils
-            .getGraduatedColour(40f, 10f, minColour, 30f,
-            maxColour);
+            .getGraduatedColour(40f, 10f, minColour, 30f, maxColour);
     assertEquals(maxColour, col);
 
     /*
@@ -133,4 +143,27 @@ public class ColorUtilsTest
             .getGraduatedColour(40f, 10f, minColour, 10f, maxColour);
     assertEquals(minColour, col);
   }
+
+  @Test(groups = { "Functional" })
+  public void testBleachColour()
+  {
+    Color colour = new Color(155, 105, 55);
+    assertSame(colour, ColorUtils.bleachColour(colour, 0));
+    assertEquals(Color.WHITE, ColorUtils.bleachColour(colour, 1));
+    assertEquals(Color.WHITE, ColorUtils.bleachColour(colour, 2));
+    assertEquals(new Color(175, 135, 95),
+            ColorUtils.bleachColour(colour, 0.2f));
+    assertEquals(new Color(225, 210, 195),
+            ColorUtils.bleachColour(colour, 0.7f));
+
+    /*
+     * and some 'negative fade'
+     */
+    assertEquals(Color.BLACK, ColorUtils.bleachColour(colour, -1));
+    assertEquals(Color.BLACK, ColorUtils.bleachColour(colour, -2));
+    assertEquals(new Color(124, 84, 44),
+            ColorUtils.bleachColour(colour, -0.2f));
+    assertEquals(new Color(46, 31, 16), // with rounding down
+            ColorUtils.bleachColour(colour, -0.7f));
+  }
 }