Core files, plus some test files (note that test files may not compile due to recent changes to the core)

core/test/EllipseModeTest.java

@@ -0,0 +1,16 @@
+package test;
+import processing.core.*;
+
+/**
+ *
+ * @author  Francis Li
+ */
+public class EllipseModeTest extends PMIDlet {
+    void setup() {
+        ellipseMode(CENTER_DIAMETER); 
+        ellipse(35, 35, 50, 50); 
+        ellipseMode(CORNER); 
+        fill(102); 
+        ellipse(35, 35, 50, 50);         
+    }
+}