import QtQuick 2.0
import QtTest 1.0
import "testhelper.js" as Helper

Canvas {
   id:canvas; width:100;height:50; renderTarget: Canvas.Image; renderStrategy:Canvas.Threaded
   smooth: false
   TestCase {
       name: "arcTo"; when: windowShown
       function test_coincide() {
           var ctx = canvas.getContext('2d');
           ctx.reset();
           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;

           ctx.strokeStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 25);
           ctx.arcTo(0, 25, 50, 1000, 1);
           ctx.lineTo(100, 25);
           ctx.stroke();

           ctx.strokeStyle = '#f00';
           ctx.beginPath();
           ctx.moveTo(50, 25);
           ctx.arcTo(50, 25, 100, 25, 1);
           ctx.stroke();

           verify(Helper.comparePixel(ctx, 50,1, 0,255,0,255));
           verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255));
           verify(Helper.comparePixel(ctx, 50,48, 0,255,0,255));
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;
           ctx.strokeStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 25);
           ctx.arcTo(100, 25, 100, 25, 1);
           ctx.stroke();

           verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255));
       }
       function test_collinear() {
           var ctx = canvas.getContext('2d');
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;

           ctx.strokeStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 25);
           ctx.arcTo(100, 25, 200, 25, 1);
           ctx.stroke();

           ctx.strokeStyle = '#f00';
           ctx.beginPath();
           ctx.moveTo(-100, 25);
           ctx.arcTo(0, 25, 100, 25, 1);
           ctx.stroke();

           verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255));
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;

           ctx.strokeStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 25);
           ctx.arcTo(100, 25, 10, 25, 1);
           ctx.stroke();

           ctx.strokeStyle = '#f00';
           ctx.beginPath();
           ctx.moveTo(100, 25);
           ctx.arcTo(200, 25, 110, 25, 1);
           ctx.stroke();
           verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255));
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;

           ctx.strokeStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 25);
           ctx.arcTo(100, 25, -100, 25, 1);
           ctx.stroke();

           ctx.strokeStyle = '#f00';
           ctx.beginPath();
           ctx.moveTo(100, 25);
           ctx.arcTo(200, 25, 0, 25, 1);
           ctx.stroke();

           ctx.beginPath();
           ctx.moveTo(-100, 25);
           ctx.arcTo(0, 25, -200, 25, 1);
           ctx.stroke();

           verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255));
       }
       function test_subpath() {
           var ctx = canvas.getContext('2d');
           ctx.reset();

           ctx.fillStyle = '#0f0';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;
           ctx.strokeStyle = '#f00';
           ctx.beginPath();
           ctx.arcTo(100, 50, 200, 50, 0.1);
           ctx.stroke();
           //verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255));
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;
           ctx.strokeStyle = '#0f0';
           ctx.beginPath();
           ctx.arcTo(0, 25, 50, 250, 0.1);
           ctx.lineTo(100, 25);
           ctx.stroke();
           verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255));
       }

       function test_negative() {
           var ctx = canvas.getContext('2d');
           ctx.reset();

           try { var err = false;
             ctx.arcTo(0, 0, 0, 0, -1);
           } catch (e) {
               if (e.code != DOMException.INDEX_SIZE_ERR)
                   fail("expectes INDEX_SIZE_ERR, got: "+e.message);
               err = true;
           }
           finally {
               verify(err, "should throw INDEX_SIZE_ERR: ctx.arcTo(0, 0, 0, 0, -1)");
           }
       }

       function test_nonfinite() {
           var ctx = canvas.getContext('2d');
           ctx.reset();

           skip("FIXME");

           ctx.moveTo(0, 0);
           ctx.lineTo(100, 0);
           ctx.arcTo(Infinity, 50, 0, 50, 0);
           ctx.arcTo(-Infinity, 50, 0, 50, 0);
           ctx.arcTo(NaN, 50, 0, 50, 0);
           ctx.arcTo(0, Infinity, 0, 50, 0);
           ctx.arcTo(0, -Infinity, 0, 50, 0);
           ctx.arcTo(0, NaN, 0, 50, 0);
           ctx.arcTo(0, 50, Infinity, 50, 0);
           ctx.arcTo(0, 50, -Infinity, 50, 0);
           ctx.arcTo(0, 50, NaN, 50, 0);
           ctx.arcTo(0, 50, 0, Infinity, 0);
           ctx.arcTo(0, 50, 0, -Infinity, 0);
           ctx.arcTo(0, 50, 0, NaN, 0);
           ctx.arcTo(0, 50, 0, 50, Infinity);
           ctx.arcTo(0, 50, 0, 50, -Infinity);
           ctx.arcTo(0, 50, 0, 50, NaN);
           ctx.arcTo(Infinity, Infinity, 0, 50, 0);
           ctx.arcTo(Infinity, Infinity, Infinity, 50, 0);
           ctx.arcTo(Infinity, Infinity, Infinity, Infinity, 0);
           ctx.arcTo(Infinity, Infinity, Infinity, Infinity, Infinity);
           ctx.arcTo(Infinity, Infinity, Infinity, 50, Infinity);
           ctx.arcTo(Infinity, Infinity, 0, Infinity, 0);
           ctx.arcTo(Infinity, Infinity, 0, Infinity, Infinity);
           ctx.arcTo(Infinity, Infinity, 0, 50, Infinity);
           ctx.arcTo(Infinity, 50, Infinity, 50, 0);
           ctx.arcTo(Infinity, 50, Infinity, Infinity, 0);
           ctx.arcTo(Infinity, 50, Infinity, Infinity, Infinity);
           ctx.arcTo(Infinity, 50, Infinity, 50, Infinity);
           ctx.arcTo(Infinity, 50, 0, Infinity, 0);
           ctx.arcTo(Infinity, 50, 0, Infinity, Infinity);
           ctx.arcTo(Infinity, 50, 0, 50, Infinity);
           ctx.arcTo(0, Infinity, Infinity, 50, 0);
           ctx.arcTo(0, Infinity, Infinity, Infinity, 0);
           ctx.arcTo(0, Infinity, Infinity, Infinity, Infinity);
           ctx.arcTo(0, Infinity, Infinity, 50, Infinity);
           ctx.arcTo(0, Infinity, 0, Infinity, 0);
           ctx.arcTo(0, Infinity, 0, Infinity, Infinity);
           ctx.arcTo(0, Infinity, 0, 50, Infinity);
           ctx.arcTo(0, 50, Infinity, Infinity, 0);
           ctx.arcTo(0, 50, Infinity, Infinity, Infinity);
           ctx.arcTo(0, 50, Infinity, 50, Infinity);
           ctx.arcTo(0, 50, 0, Infinity, Infinity);
           ctx.lineTo(100, 50);
           ctx.lineTo(0, 50);
           ctx.fillStyle = '#0f0';
           ctx.fill();
           verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  90,45, 0,255,0,255));

       }
       function test_scale() {
           var ctx = canvas.getContext('2d');
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);

           ctx.fillStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 50);
           ctx.translate(100, 0);
           ctx.scale(0.1, 1);
           ctx.arcTo(50, 50, 50, 0, 50);
           ctx.lineTo(-1000, 0);
           ctx.fill();

           skip("FIXME");
           //verify(Helper.comparePixel(ctx,  0,0, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  50,0, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  99,0, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  0,25, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  99,25, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  0,49, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  50,49, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  99,49, 0,255,0,255));
       }

       function test_shape() {
           var ctx = canvas.getContext('2d');
           ctx.reset();

           var tol = 1.5; // tolerance to avoid antialiasing artifacts

           ctx.fillStyle = '#0f0';
           ctx.fillRect(0, 0, 100, 50);

           ctx.strokeStyle = '#f00';
           ctx.lineWidth = 10;
           ctx.beginPath();
           ctx.moveTo(10, 25);
           ctx.arcTo(75, 25, 75, 60, 20);
           ctx.stroke();

           ctx.fillStyle = '#0f0';
           ctx.beginPath();
           ctx.rect(10, 20, 45, 10);
           ctx.moveTo(80, 45);
           ctx.arc(55, 45, 25+tol, 0, -Math.PI/2, true);
           ctx.arc(55, 45, 15-tol, -Math.PI/2, 0, false);
           ctx.fill();

           verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  55,19, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  55,20, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  55,21, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  64,22, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  65,21, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  72,28, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  73,27, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  78,36, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  79,35, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  80,44, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  80,45, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  80,46, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  65,45, 0,255,0,255));
           ctx.reset();

           ctx.fillStyle = '#0f0';
           ctx.fillRect(0, 0, 100, 50);

           ctx.fillStyle = '#f00';
           ctx.beginPath();
           ctx.rect(10, 20, 45, 10);
           ctx.moveTo(80, 45);
           ctx.arc(55, 45, 25-tol, 0, -Math.PI/2, true);
           ctx.arc(55, 45, 15+tol, -Math.PI/2, 0, false);
           ctx.fill();

           ctx.strokeStyle = '#0f0';
           ctx.lineWidth = 10;
           ctx.beginPath();
           ctx.moveTo(10, 25);
           ctx.arcTo(75, 25, 75, 60, 20);
           ctx.stroke();

           //verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  55,19, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  55,20, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  55,21, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  64,22, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  65,21, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  72,28, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  73,27, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  78,36, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  79,35, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  80,44, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  80,45, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  80,46, 0,255,0,255));
           ctx.reset();


           ctx.fillStyle = '#0f0';
           ctx.fillRect(0, 0, 100, 50);
           ctx.strokeStyle = '#f00';
           ctx.lineWidth = 50;
           ctx.beginPath();
           ctx.moveTo(-100, -100);
           ctx.arcTo(-100, 25, 200, 25, 10);
           ctx.stroke();

           verify(Helper.comparePixel(ctx,  1,1, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  1,48, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  98,1, 0,255,0,255));
           verify(Helper.comparePixel(ctx,  98,48, 0,255,0,255));
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.strokeStyle = '#0f0';
           ctx.lineWidth = 50;
           ctx.beginPath();
           ctx.moveTo(0, 25);
           ctx.arcTo(200, 25, 200, 50, 10);
           ctx.stroke();

          //verify(Helper.comparePixel(ctx,  1,1, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  1,48, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  98,1, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  98,48, 0,255,0,255));
       }

       function test_transform() {
           var ctx = canvas.getContext('2d');
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);

           ctx.fillStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 50);
           ctx.translate(100, 0);
           ctx.arcTo(50, 50, 50, 0, 50);
           ctx.lineTo(-100, 0);
           ctx.fill();

           skip("FIXME");
           //verify(Helper.comparePixel(ctx,  0,0, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  50,0, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  99,0, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  0,25, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  99,25, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  0,49, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  50,49, 0,255,0,255));
           //verify(Helper.comparePixel(ctx,  99,49, 0,255,0,255));
        }
       function test_zero() {
           var ctx = canvas.getContext('2d');
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;

           ctx.strokeStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 25);
           ctx.arcTo(100, 25, 100, 100, 0);
           ctx.stroke();

           ctx.strokeStyle = '#f00';
           ctx.beginPath();
           ctx.moveTo(0, -25);
           ctx.arcTo(50, -25, 50, 50, 0);
           ctx.stroke();

           verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));
           ctx.reset();

           ctx.fillStyle = '#f00';
           ctx.fillRect(0, 0, 100, 50);
           ctx.lineWidth = 50;

           ctx.strokeStyle = '#0f0';
           ctx.beginPath();
           ctx.moveTo(0, 25);
           ctx.arcTo(100, 25, -100, 25, 0);
           ctx.stroke();

           ctx.strokeStyle = '#f00';
           ctx.beginPath();
           ctx.moveTo(100, 25);
           ctx.arcTo(200, 25, 50, 25, 0);
           ctx.stroke();

           verify(Helper.comparePixel(ctx,  50,25, 0,255,0,255));

       }
   }
}