Merge branch 'develop' into features/JAL-250_hideredundantseqs

[jalview.git] / test / jalview / schemes / StrandColourSchemeTest.java

diff --git a/test/jalview/schemes/StrandColourSchemeTest.java b/test/jalview/schemes/StrandColourSchemeTest.java
new file mode 100644 (file)
index 0000000..4a8d0e9
--- /dev/null
+++ b/test/jalview/schemes/StrandColourSchemeTest.java
@@ -0,0 +1,35 @@
+package jalview.schemes;
+
+import static org.testng.Assert.assertEquals;
+
+import java.awt.Color;
+
+import org.testng.annotations.Test;
+
+public class StrandColourSchemeTest
+{
+  /**
+   * Turn colours are based on the scores in ResidueProperties.strand A = 0.83,
+   * R = 0.93, N = 0.89, D = 0.54... min = 0.37 max = 1.7
+   * <p>
+   * scores are scaled to c 0-1 between min and max and colour is (c, c, 1-c)
+   */
+  @Test(groups = "Functional")
+  public void testFindColour()
+  {
+    ScoreColourScheme scheme = new StrandColourScheme();
+
+    float min = 0.37f;
+    float max = 1.7f;
+    float a = (0.83f - min) / (max - min);
+    assertEquals(scheme.findColour('A', 0, null),
+ new Color(a, a, 1 - a));
+
+    float d = (0.54f - min) / (max - min);
+    assertEquals(scheme.findColour('D', 0, null),
+ new Color(d, d, 1 - d));
+
+    assertEquals(scheme.findColour('-', 0, null), Color.WHITE);
+  }
+
+}