Import Upstream version 0.4.0~beta1

1 files changed, 41 insertions, 0 deletions

diff --git a/test/de/lmu/ifi/dbs/elki/visualization/TestLinearScale.java b/test/de/lmu/ifi/dbs/elki/visualization/TestLinearScale.java
new file mode 100644
index 00000000..8a303f4c
--- /dev/null
+++ b/test/de/lmu/ifi/dbs/elki/visualization/TestLinearScale.java
@@ -0,0 +1,41 @@
+package de.lmu.ifi.dbs.elki.visualization;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import de.lmu.ifi.dbs.elki.JUnit4Test;
+import de.lmu.ifi.dbs.elki.visualization.scales.LinearScale;
+
+
+/**
+ * Test class to test rounding of the linear scale.
+ * 
+ * @author Erich Schubert
+ *
+ */
+public class TestLinearScale implements JUnit4Test {
+
+  /**
+   * Produces a simple linear scale and verifies the tick lines are placed as expected.
+   */
+  @Test
+  public final void testLinearScale() {
+    LinearScale a = new LinearScale(3,97);
+    assertEquals("Minimum for scale 3-97 not as expected.", 0.0, a.getMin(), Double.MIN_VALUE);
+    assertEquals("Maximum for scale 3-97 not as expected.", 100.0, a.getMax(), Double.MIN_VALUE);
+    
+    LinearScale b = new LinearScale(-97, -3);
+    assertEquals("Minimum for scale -97 : -3 not as expected.", -100.0, b.getMin(), Double.MIN_VALUE);
+    assertEquals("Maximum for scale -97 : -3 not as expected.", 0.0, b.getMax(), Double.MIN_VALUE);
+
+    LinearScale c = new LinearScale(-3, 37);
+    assertEquals("Minimum for scale -3 : 37 not as expected.", -10.0, c.getMin(), Double.MIN_VALUE);
+    assertEquals("Maximum for scale -3 : 37 not as expected.", 40.0, c.getMax(), Double.MIN_VALUE);
+  
+    LinearScale d = new LinearScale(-37, 3);
+    assertEquals("Minimum for scale -37 : 3 not as expected.", -40.0, d.getMin(), Double.MIN_VALUE);
+    assertEquals("Maximum for scale -37 : 3 not as expected.", 10.0, d.getMax(), Double.MIN_VALUE);
+  }
+
+}