diff --git a/src/test/java/instance/PaletteTest.java b/src/test/java/instance/PaletteTest.java
index 603a6828b..37896b954 100644
--- a/src/test/java/instance/PaletteTest.java
+++ b/src/test/java/instance/PaletteTest.java
@@ -25,24 +25,32 @@ public class PaletteTest {
         for (Palette palette : palettes) {
             final int dimension = palette.dimension();
             assertEquals(0, palette.get(0, 0, 0), "Default value should be 0");
+            assertEquals(0, palette.size());
             palette.set(0, 0, 0, 64);
             assertEquals(64, palette.get(0, 0, 0));
             assertEquals(64, palette.get(dimension, 0, 0), "Coordinate must be rounded to the palette dimension");
+            assertEquals(1, palette.size());
 
             palette.set(1, 0, 0, 65);
             assertEquals(64, palette.get(0, 0, 0));
             assertEquals(65, palette.get(1, 0, 0));
+            assertEquals(2, palette.size());
 
             palette.set(0, 1, 0, 66);
             assertEquals(64, palette.get(0, 0, 0));
             assertEquals(65, palette.get(1, 0, 0));
             assertEquals(66, palette.get(0, 1, 0));
+            assertEquals(3, palette.size());
 
             palette.set(0, 0, 1, 67);
             assertEquals(64, palette.get(0, 0, 0));
             assertEquals(65, palette.get(1, 0, 0));
             assertEquals(66, palette.get(0, 1, 0));
             assertEquals(67, palette.get(0, 0, 1));
+            assertEquals(4, palette.size());
+
+            palette.set(0, 0, 1, 68);
+            assertEquals(4, palette.size());
         }
     }