Added some simple perf tests.

test/perf/random-ellipse.pde

@@ -0,0 +1,3 @@
+void draw() {
+  ellipse(random(width), random(height), 55, 55);
+}

test/perf/random-fill.pde

@@ -0,0 +1,8 @@
+void draw() {
+  fill(random(255), random(255), random(255));
+
+  int topX = random(width - 10);
+  int topY = random(height - 10);
+
+  rect(topX, topY, topX + 10, topY + 10);
+}

test/perf/random-line.pde

@@ -4,15 +4,9 @@ void setup() {  // this is run once.
     // set the background color
     background(255);
 
-    // canvas size (Integers only, please.)
-    size(300, 300);
-
     // smooth edges
     smooth();
 
-    // limit the number of frames per second
-    frameRate(30);
-
     // set the width of the line.
     strokeWeight(12);
 }

test/perf/random-point.pde

@@ -0,0 +1,3 @@
+void draw() {
+  point(random(width), random(height));
+}

test/perf/tests.js

@@ -2,5 +2,8 @@
 var tests = [
   { path: "empty-baseline.pde", tags: ["Calibration"] },
   { path: "background.pde", tags: ["2D"] },
+  { path: "random-ellipse.pde", tags: ["2D"] },
+  { path: "random-point.pde", tags: ["2D"] },
+  { path: "random-fill.pde", tags: ["2D"] },
   { path: "random-line.pde", tags: ["2D"] }
 ];