Test case for Plask font cache issue

test_text.js

var chars = "abcdefghijklmnopqrstuvwxyz";

require("plask").simpleWindow({
    init: function(){
        this.paint.setFontFamily("Myriad Pro");
        this.paint.setColor(255, 255, 255);
        this.canvas.drawColor(0, 0, 0);
        this.framerate(60);
    },
    draw: function(){
        for(var i = 10; --i >= 0;){
            this.paint.setTextSize(Math.random() * 20 + 10);
            this.canvas.drawText(
                this.paint,
                chars.substr(Math.floor(Math.random() * chars.length), 1),
                Math.random() * this.width,
                Math.random() * this.height
            );
        }
    }
});