+ var sampler = new PixelSampler(g);
+ assertEquals([255,0,0,255], sampler.colorAtPixel(x, y));
+ assertEquals([255,0,0,255], sampler.colorAtPixel(x, y - 1));
+ assertEquals([255,0,0,255], sampler.colorAtPixel(x, y - 2));
+
+ // TODO(danvk): figure out a good way to restore this test.
+ // assertEquals(29, CanvasAssertions.numLinesDrawn(htx, "#ff0000"));
+ g.destroy(); // to balance context saves and destroys.
+ CanvasAssertions.assertBalancedSaveRestore(htx);
+};