chromium/src/third_party/blink/web_tests/external/wpt/html/canvas/tools/yaml/offscreen/path-objects.yaml

- name: 2d.path.initial
  testing:
  - 2d.path.initial
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.closePath();
    ctx.fillStyle = '#f00';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.beginPath
  testing:
  - 2d.path.beginPath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.rect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.fillStyle = '#f00';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.moveTo.basic
  testing:
  - 2d.path.moveTo
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.rect(0, 0, 10, 50);
    ctx.moveTo(100, 0);
    ctx.lineTo(10, 0);
    ctx.lineTo(10, 50);
    ctx.lineTo(100, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 90,25 == 0,255,0,255;
    t.done();

- name: 2d.path.moveTo.newsubpath
  testing:
  - 2d.path.moveTo
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.moveTo(0, 0);
    ctx.moveTo(100, 0);
    ctx.moveTo(100, 50);
    ctx.moveTo(0, 50);
    ctx.fillStyle = '#f00';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.moveTo.multiple
  testing:
  - 2d.path.moveTo
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.moveTo(0, 25);
    ctx.moveTo(100, 25);
    ctx.moveTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.moveTo.nonfinite
  desc: moveTo() with Infinity/NaN is ignored
  testing:
  - 2d.nonfinite
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.moveTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.closePath.empty
  testing:
  - 2d.path.closePath.empty
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.closePath();
    ctx.fillStyle = '#f00';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.closePath.newline
  testing:
  - 2d.path.closePath.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-100, -100);
    ctx.lineTo(200, -100);
    ctx.lineTo(200, 25);
    ctx.closePath();
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.closePath.nextpoint
  testing:
  - 2d.path.closePath.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-100, -1000);
    ctx.closePath();
    ctx.lineTo(1000, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.lineTo.ensuresubpath.1
  desc: If there is no subpath, the point is added and nothing is drawn
  testing:
  - 2d.path.lineTo.empty
  - 2d.path.ensure
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.lineTo(100, 50);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.lineTo.ensuresubpath.2
  desc: If there is no subpath, the point is added and used for subsequent drawing
  testing:
  - 2d.path.lineTo.empty
  - 2d.path.ensure
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.lineTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.lineTo.basic
  testing:
  - 2d.path.lineTo.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.lineTo.nextpoint
  testing:
  - 2d.path.lineTo.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(-100, -100);
    ctx.lineTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.lineTo.nonfinite
  desc: lineTo() with Infinity/NaN is ignored
  testing:
  - 2d.nonfinite
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.lineTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
    t.done();

- name: 2d.path.lineTo.nonfinite.details
  desc: lineTo() with Infinity/NaN for first arg still converts the second arg
  testing:
  - 2d.nonfinite
  code: |
    for (var arg1 of [Infinity, -Infinity, NaN]) {
      var converted = false;
      ctx.lineTo(arg1, { valueOf: function() { converted = true; return 0; } });
      @assert converted;
    }
    t.done();

- name: 2d.path.quadraticCurveTo.ensuresubpath.1
  desc: If there is no subpath, the first control point is added (and nothing is drawn
    up to it)
  testing:
  - 2d.path.quadratic.empty
  - 2d.path.ensure
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.quadraticCurveTo(100, 50, 200, 50);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 95,45 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.quadraticCurveTo.ensuresubpath.2
  desc: If there is no subpath, the first control point is added
  testing:
  - 2d.path.quadratic.empty
  - 2d.path.ensure
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.quadraticCurveTo(0, 25, 100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 5,45 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.quadraticCurveTo.basic
  testing:
  - 2d.path.quadratic.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.quadraticCurveTo(100, 25, 100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.quadraticCurveTo.shape
  testing:
  - 2d.path.quadratic.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 55;
    ctx.beginPath();
    ctx.moveTo(-1000, 1050);
    ctx.quadraticCurveTo(0, -1000, 1200, 1050);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.quadraticCurveTo.scaled
  testing:
  - 2d.path.quadratic.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.scale(1000, 1000);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 0.055;
    ctx.beginPath();
    ctx.moveTo(-1, 1.05);
    ctx.quadraticCurveTo(0, -1, 1.2, 1.05);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.quadraticCurveTo.nonfinite
  desc: quadraticCurveTo() with Infinity/NaN is ignored
  testing:
  - 2d.nonfinite
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.quadraticCurveTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
    t.done();

- name: 2d.path.bezierCurveTo.ensuresubpath.1
  desc: If there is no subpath, the first control point is added (and nothing is drawn
    up to it)
  testing:
  - 2d.path.bezier.empty
  - 2d.path.ensure
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.bezierCurveTo(100, 50, 200, 50, 200, 50);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 95,45 == 0,255,0,255;
    t.done();

- name: 2d.path.bezierCurveTo.ensuresubpath.2
  desc: If there is no subpath, the first control point is added
  testing:
  - 2d.path.bezier.empty
  - 2d.path.ensure
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.bezierCurveTo(0, 25, 100, 25, 100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 5,45 == 0,255,0,255;
    t.done();

- name: 2d.path.bezierCurveTo.basic
  testing:
  - 2d.path.bezier.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.bezierCurveTo(100, 25, 100, 25, 100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.bezierCurveTo.shape
  testing:
  - 2d.path.bezier.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 55;
    ctx.beginPath();
    ctx.moveTo(-2000, 3100);
    ctx.bezierCurveTo(-2000, -1000, 2100, -1000, 2100, 3100);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.bezierCurveTo.scaled
  testing:
  - 2d.path.bezier.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.scale(1000, 1000);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 0.055;
    ctx.beginPath();
    ctx.moveTo(-2, 3.1);
    ctx.bezierCurveTo(-2, -1, 2.1, -1, 2.1, 3.1);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.bezierCurveTo.nonfinite
  desc: bezierCurveTo() with Infinity/NaN is ignored
  testing:
  - 2d.nonfinite
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.bezierCurveTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.ensuresubpath.1
  desc: If there is no subpath, the first control point is added (and nothing is drawn
    up to it)
  testing:
  - 2d.path.arcTo.empty
  - 2d.path.ensure
  code: |
    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();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.ensuresubpath.2
  desc: If there is no subpath, the first control point is added
  testing:
  - 2d.path.arcTo.empty
  - 2d.path.ensure
  code: |
    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); // adds (x1,y1), draws nothing
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.coincide.1
  desc: arcTo() has no effect if P0 = P1
  testing:
  - 2d.path.arcTo.coincide.01
  code: |
    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();
    @assert pixel 50,1 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 50,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.coincide.2
  desc: arcTo() draws a straight line to P1 if P1 = P2
  testing:
  - 2d.path.arcTo.coincide.12
  code: |
    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();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.collinear.1
  desc: arcTo() with all points on a line, and P1 between P0/P2, draws a straight
    line to P1
  testing:
  - 2d.path.arcTo.collinear
  code: |
    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();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.collinear.2
  desc: arcTo() with all points on a line, and P2 between P0/P1, draws a straight
    line to P1
  testing:
  - 2d.path.arcTo.collinear
  code: |
    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();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.collinear.3
  desc: arcTo() with all points on a line, and P0 between P1/P2, draws a straight
    line to P1
  testing:
  - 2d.path.arcTo.collinear
  code: |
    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();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.shape.curve1
  desc: arcTo() curves in the right kind of shape
  testing:
  - 2d.path.arcTo.shape
  code: |
    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();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 55,19 == 0,255,0,255;
    @assert pixel 55,20 == 0,255,0,255;
    @assert pixel 55,21 == 0,255,0,255;
    @assert pixel 64,22 == 0,255,0,255;
    @assert pixel 65,21 == 0,255,0,255;
    @assert pixel 72,28 == 0,255,0,255;
    @assert pixel 73,27 == 0,255,0,255;
    @assert pixel 78,36 == 0,255,0,255;
    @assert pixel 79,35 == 0,255,0,255;
    @assert pixel 80,44 == 0,255,0,255;
    @assert pixel 80,45 == 0,255,0,255;
    @assert pixel 80,46 == 0,255,0,255;
    @assert pixel 65,45 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.shape.curve2
  desc: arcTo() curves in the right kind of shape
  testing:
  - 2d.path.arcTo.shape
  code: |
    var tol = 1.5; // tolerance to avoid antialiasing artifacts
    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();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 55,19 == 0,255,0,255;
    @assert pixel 55,20 == 0,255,0,255;
    @assert pixel 55,21 == 0,255,0,255;
    @assert pixel 64,22 == 0,255,0,255;
    @assert pixel 65,21 == 0,255,0,255;
    @assert pixel 72,28 == 0,255,0,255;
    @assert pixel 73,27 == 0,255,0,255;
    @assert pixel 78,36 == 0,255,0,255;
    @assert pixel 79,35 == 0,255,0,255;
    @assert pixel 80,44 == 0,255,0,255;
    @assert pixel 80,45 == 0,255,0,255;
    @assert pixel 80,46 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.shape.start
  desc: arcTo() draws a straight line from P0 to P1
  testing:
  - 2d.path.arcTo.shape
  code: |
    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();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.shape.end
  desc: arcTo() does not draw anything from P1 to P2
  testing:
  - 2d.path.arcTo.shape
  code: |
    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();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.negative
  desc: arcTo() with negative radius throws an exception
  testing:
  - 2d.path.arcTo.negative
  code: |
    @assert throws INDEX_SIZE_ERR ctx.arcTo(0, 0, 0, 0, -1);
    t.done();

- name: 2d.path.arcTo.zero.1
  desc: arcTo() with zero radius draws a straight line from P0 to P1
  testing:
  - 2d.path.arcTo.zeroradius
  code: |
    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();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.zero.2
  desc: arcTo() with zero radius draws a straight line from P0 to P1, even when all
    points are collinear
  testing:
  - 2d.path.arcTo.zeroradius
  code: |
    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();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.transformation
  desc: arcTo joins up to the last subpath point correctly
  code: |
    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();
    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.scale
  desc: arcTo scales the curve, not just the control points
  code: |
    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();
    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
    t.done();

- name: 2d.path.arcTo.nonfinite
  desc: arcTo() with Infinity/NaN is ignored
  testing:
  - 2d.nonfinite
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.arcTo(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
    t.done();


- name: 2d.path.arc.empty
  desc: arc() with an empty path does not draw a straight line to the start point
  testing:
  - 2d.path.arc.nonempty
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(200, 25, 5, 0, 2*Math.PI, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.nonempty
  desc: arc() with a non-empty path does draw a straight line to the start point
  testing:
  - 2d.path.arc.nonempty
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arc(200, 25, 5, 0, 2*Math.PI, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.end
  desc: arc() adds the end point of the arc to the subpath
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(-100, 0);
    ctx.arc(-100, 0, 25, -Math.PI/2, Math.PI/2, true);
    ctx.lineTo(100, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.default
  desc: arc() with missing last argument defaults to clockwise
  testing:
  - 2d.path.arc.omitted
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, -Math.PI, Math.PI/2);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.angle.1
  desc: arc() draws pi/2 .. -pi anticlockwise correctly
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, Math.PI/2, -Math.PI, true);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.angle.2
  desc: arc() draws -3pi/2 .. -pi anticlockwise correctly
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, -3*Math.PI/2, -Math.PI, true);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.angle.3
  desc: arc() wraps angles mod 2pi when anticlockwise and end > start+2pi
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, (512+1/2)*Math.PI, (1024-1)*Math.PI, true);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.angle.4
  desc: arc() draws a full circle when clockwise and end > start+2pi
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arc(50, 25, 60, (512+1/2)*Math.PI, (1024-1)*Math.PI, false);
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.angle.5
  desc: arc() wraps angles mod 2pi when clockwise and start > end+2pi
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(100, 0);
    ctx.arc(100, 0, 150, (1024-1)*Math.PI, (512+1/2)*Math.PI, false);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.angle.6
  desc: arc() draws a full circle when anticlockwise and start > end+2pi
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arc(50, 25, 60, (1024-1)*Math.PI, (512+1/2)*Math.PI, true);
    ctx.fill();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.zero.1
  desc: arc() draws nothing when startAngle = endAngle and anticlockwise
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 0, true);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.zero.2
  desc: arc() draws nothing when startAngle = endAngle and clockwise
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 0, false);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.twopie.1
  desc: arc() draws nothing when end = start + 2pi-e and anticlockwise
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 2*Math.PI - 1e-4, true);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.twopie.2
  desc: arc() draws a full circle when end = start + 2pi-e and clockwise
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 2*Math.PI - 1e-4, false);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.twopie.3
  desc: arc() draws a full circle when end = start + 2pi+e and anticlockwise
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 2*Math.PI + 1e-4, true);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.twopie.4
  desc: arc() draws nothing when end = start + 2pi+e and clockwise
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.arc(50, 25, 50, 0, 2*Math.PI + 1e-4, false);
    ctx.stroke();
    @assert pixel 50,20 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.shape.1
  desc: arc() from 0 to pi does not draw anything in the wrong half
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(50, 50, 50, 0, Math.PI, false);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 20,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.shape.2
  desc: arc() from 0 to pi draws stuff in the right half
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 100;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.arc(50, 50, 50, 0, Math.PI, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 20,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.shape.3
  desc: arc() from 0 to -pi/2 does not draw anything in the wrong quadrant
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 100;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(0, 50, 50, 0, -Math.PI/2, false);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255; @moz-todo
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.shape.4
  desc: arc() from 0 to -pi/2 draws stuff in the right quadrant
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 150;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.arc(-50, 50, 100, 0, -Math.PI/2, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.shape.5
  desc: arc() from 0 to 5pi does not draw crazy things
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 200;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(300, 0, 100, 0, 5*Math.PI, false);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.selfintersect.1
  desc: arc() with lineWidth > 2*radius is drawn sensibly
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 200;
    ctx.strokeStyle = '#f00';
    ctx.beginPath();
    ctx.arc(100, 50, 25, 0, -Math.PI/2, true);
    ctx.stroke();
    ctx.beginPath();
    ctx.arc(0, 0, 25, 0, -Math.PI/2, true);
    ctx.stroke();
    @assert pixel 1,1 == 0,255,0,255; @moz-todo
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.selfintersect.2
  desc: arc() with lineWidth > 2*radius is drawn sensibly
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 180;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.arc(-50, 50, 25, 0, -Math.PI/2, true);
    ctx.stroke();
    ctx.beginPath();
    ctx.arc(100, 0, 25, 0, -Math.PI/2, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,10 == 0,255,0,255;
    @assert pixel 97,1 == 0,255,0,255;
    @assert pixel 97,2 == 0,255,0,255;
    @assert pixel 97,3 == 0,255,0,255;
    @assert pixel 2,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.negative
  desc: arc() with negative radius throws INDEX_SIZE_ERR
  testing:
  - 2d.path.arc.negative
  code: |
    @assert throws INDEX_SIZE_ERR ctx.arc(0, 0, -1, 0, 0, true);
    t.done();

- name: 2d.path.arc.zeroradius
  desc: arc() with zero radius draws a line to the start point
  testing:
  - 2d.path.arc.zero
  code: |
    ctx.fillStyle = '#f00'
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 25);
    ctx.arc(200, 25, 0, 0, Math.PI, true);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.scale.1
  desc: Non-uniformly scaled arcs are the right shape
  testing:
  - 2d.path.transformation
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.scale(2, 0.5);
    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.arc(25, 50, 56, 0, 2*Math.PI, false);
    ctx.fill();
    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(-25, 50);
    ctx.arc(-25, 50, 24, 0, 2*Math.PI, false);
    ctx.moveTo(75, 50);
    ctx.arc(75, 50, 24, 0, 2*Math.PI, false);
    ctx.moveTo(25, -25);
    ctx.arc(25, -25, 24, 0, 2*Math.PI, false);
    ctx.moveTo(25, 125);
    ctx.arc(25, 125, 24, 0, 2*Math.PI, false);
    ctx.fill();
    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.scale.2
  desc: Highly scaled arcs are the right shape
  testing:
  - 2d.path.arc.draw
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.scale(100, 100);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 1.2;
    ctx.beginPath();
    ctx.arc(0, 0, 0.6, 0, Math.PI/2, false);
    ctx.stroke();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 50,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 98,25 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 50,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.arc.nonfinite
  desc: arc() with Infinity/NaN is ignored
  testing:
  - 2d.nonfinite
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.arc(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <2*Math.PI Infinity -Infinity NaN>, <true>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
    t.done();


- name: 2d.path.rect.basic
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.rect(0, 0, 100, 50);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.newsubpath
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-50, 25);
    ctx.rect(200, 25, 1, 1);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.closed
  testing:
  - 2d.path.rect.closed
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 200;
    ctx.lineJoin = 'miter';
    ctx.rect(100, 50, 100, 100);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.end.1
  testing:
  - 2d.path.rect.newsubpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.rect(200, 100, 400, 1000);
    ctx.lineTo(-2000, -1000);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.end.2
  testing:
  - 2d.path.rect.newsubpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 450;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'bevel';
    ctx.rect(150, 150, 2000, 2000);
    ctx.lineTo(160, 160);
    ctx.stroke();
    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.zero.1
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.rect(0, 50, 100, 0);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.zero.2
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.rect(50, -100, 0, 250);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.zero.3
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.beginPath();
    ctx.rect(50, 25, 0, 0);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.zero.4
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 50;
    ctx.rect(100, 25, 0, 0);
    ctx.lineTo(0, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.zero.5
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.moveTo(0, 0);
    ctx.rect(100, 25, 0, 0);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.zero.6
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineJoin = 'miter';
    ctx.miterLimit = 1.5;
    ctx.lineWidth = 200;
    ctx.beginPath();
    ctx.rect(100, 25, 1000, 0);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.rect.negative
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.fillStyle = '#0f0';
    ctx.rect(0, 0, 50, 25);
    ctx.rect(100, 0, -50, 25);
    ctx.rect(0, 50, 50, -25);
    ctx.rect(100, 50, -50, -25);
    ctx.fill();
    @assert pixel 25,12 == 0,255,0,255;
    @assert pixel 75,12 == 0,255,0,255;
    @assert pixel 25,37 == 0,255,0,255;
    @assert pixel 75,37 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.winding
  testing:
  - 2d.path.rect.subpath
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.fillStyle = '#f00';
    ctx.rect(0, 0, 50, 50);
    ctx.rect(100, 50, -50, -50);
    ctx.rect(0, 25, 100, -25);
    ctx.rect(100, 25, -100, 25);
    ctx.fill();
    @assert pixel 25,12 == 0,255,0,255;
    @assert pixel 75,12 == 0,255,0,255;
    @assert pixel 25,37 == 0,255,0,255;
    @assert pixel 75,37 == 0,255,0,255;
    t.done();

- name: 2d.path.rect.selfintersect
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 90;
    ctx.beginPath();
    ctx.rect(45, 20, 10, 10);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.rect.nonfinite
  desc: rect() with Infinity/NaN is ignored
  testing:
  - 2d.nonfinite
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    @nonfinite ctx.rect(<0 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 90,45 == 0,255,0,255;
    t.done();

- name: 2d.path.fill.overlap
  testing:
  - 2d.path.fill.basic
  code: |
    ctx.fillStyle = '#000';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';
    ctx.rect(0, 0, 100, 50);
    ctx.closePath();
    ctx.rect(10, 10, 80, 30);
    ctx.fill();
    @assert pixel 50,25 ==~ 0,127,0,255 +/- 1;
    t.done();

- name: 2d.path.fill.winding.add
  testing:
  - 2d.path.fill.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.lineTo(0, 0);
    ctx.lineTo(100, 0);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.fill.winding.subtract.1
  testing:
  - 2d.path.fill.basic
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.lineTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.fill.winding.subtract.2
  testing:
  - 2d.path.fill.basic
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.moveTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.fill.winding.subtract.3
  testing:
  - 2d.path.fill.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.lineTo(-20, -20);
    ctx.lineTo(120, -20);
    ctx.lineTo(120, 70);
    ctx.lineTo(-20, 70);
    ctx.lineTo(-20, -20);
    ctx.lineTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.fill.closed.basic
  testing:
  - 2d.path.fill.closed
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    ctx.lineTo(100, 50);
    ctx.lineTo(0, 50);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.fill.closed.unaffected
  testing:
  - 2d.path.fill.closed
  code: |
    ctx.fillStyle = '#00f';
    ctx.fillRect(0, 0, 100, 50);
    ctx.moveTo(0, 0);
    ctx.lineTo(100, 0);
    ctx.lineTo(100, 50);
    ctx.fillStyle = '#f00';
    ctx.fill();
    ctx.lineTo(0, 50);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 90,10 == 0,255,0,255;
    @assert pixel 10,40 == 0,255,0,255;
    t.done();

- name: 2d.path.stroke.overlap
  desc: Stroked subpaths are combined before being drawn
  testing:
  - 2d.path.stroke.basic
  code: |
    ctx.fillStyle = '#000';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = 'rgba(0, 255, 0, 0.5)';
    ctx.lineWidth = 50;
    ctx.moveTo(0, 20);
    ctx.lineTo(100, 20);
    ctx.moveTo(0, 30);
    ctx.lineTo(100, 30);
    ctx.stroke();
    @assert pixel 50,25 ==~ 0,127,0,255 +/- 1;
    t.done();

- name: 2d.path.stroke.union
  desc: Strokes in opposite directions are unioned, not subtracted
  testing:
  - 2d.path.stroke.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#0f0';
    ctx.lineWidth = 40;
    ctx.moveTo(0, 10);
    ctx.lineTo(100, 10);
    ctx.moveTo(100, 40);
    ctx.lineTo(0, 40);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.stroke.unaffected
  desc: Stroking does not start a new path or subpath
  testing:
  - 2d.path.stroke.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.lineWidth = 50;
    ctx.moveTo(-100, 25);
    ctx.lineTo(-100, -100);
    ctx.lineTo(200, -100);
    ctx.lineTo(200, 25);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.closePath();
    ctx.strokeStyle = '#0f0';
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.stroke.scale1
  desc: Stroke line widths are scaled by the current transformation matrix
  testing:
  - 2d.path.transformation
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.rect(25, 12.5, 50, 25);
    ctx.save();
    ctx.scale(50, 25);
    ctx.strokeStyle = '#0f0';
    ctx.stroke();
    ctx.restore();
    ctx.beginPath();
    ctx.rect(-25, -12.5, 150, 75);
    ctx.save();
    ctx.scale(50, 25);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.restore();
    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
    t.done();

- name: 2d.path.stroke.scale2
  desc: Stroke line widths are scaled by the current transformation matrix
  testing:
  - 2d.path.transformation
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.rect(25, 12.5, 50, 25);
    ctx.save();
    ctx.rotate(Math.PI/2);
    ctx.scale(25, 50);
    ctx.strokeStyle = '#0f0';
    ctx.stroke();
    ctx.restore();
    ctx.beginPath();
    ctx.rect(-25, -12.5, 150, 75);
    ctx.save();
    ctx.rotate(Math.PI/2);
    ctx.scale(25, 50);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.restore();
    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
    t.done();

- name: 2d.path.stroke.skew
  desc: Strokes lines are skewed by the current transformation matrix
  testing:
  - 2d.path.transformation
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.save();
    ctx.beginPath();
    ctx.moveTo(49, -50);
    ctx.lineTo(201, -50);
    ctx.rotate(Math.PI/4);
    ctx.scale(1, 283);
    ctx.strokeStyle = '#0f0';
    ctx.stroke();
    ctx.restore();
    ctx.save();
    ctx.beginPath();
    ctx.translate(-150, 0);
    ctx.moveTo(49, -50);
    ctx.lineTo(199, -50);
    ctx.rotate(Math.PI/4);
    ctx.scale(1, 142);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.restore();
    ctx.save();
    ctx.beginPath();
    ctx.translate(-150, 0);
    ctx.moveTo(49, -50);
    ctx.lineTo(199, -50);
    ctx.rotate(Math.PI/4);
    ctx.scale(1, 142);
    ctx.strokeStyle = '#f00';
    ctx.stroke();
    ctx.restore();
    @assert pixel 0,0 == 0,255,0,255;
    @assert pixel 50,0 == 0,255,0,255;
    @assert pixel 99,0 == 0,255,0,255;
    @assert pixel 0,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 99,25 == 0,255,0,255;
    @assert pixel 0,49 == 0,255,0,255;
    @assert pixel 50,49 == 0,255,0,255;
    @assert pixel 99,49 == 0,255,0,255;
    t.done();

- name: 2d.path.stroke.empty
  desc: Empty subpaths are not stroked
  testing:
  - 2d.path.stroke.empty
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';
    ctx.beginPath();
    ctx.moveTo(40, 25);
    ctx.moveTo(60, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.stroke.prune.line
  desc: Zero-length line segments from lineTo are removed before stroking
  testing:
  - 2d.path.stroke.prune
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.lineTo(50, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.stroke.prune.closed
  desc: Zero-length line segments from closed paths are removed before stroking
  testing:
  - 2d.path.stroke.prune
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.lineTo(50, 25);
    ctx.closePath();
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.stroke.prune.curve
  desc: Zero-length line segments from quadraticCurveTo and bezierCurveTo are removed
    before stroking
  testing:
  - 2d.path.stroke.prune
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.quadraticCurveTo(50, 25, 50, 25);
    ctx.stroke();
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.bezierCurveTo(50, 25, 50, 25, 50, 25);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.stroke.prune.arc
  desc: Zero-length line segments from arcTo and arc are removed before stroking
  testing:
  - 2d.path.stroke.prune
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';
    ctx.beginPath();
    ctx.moveTo(50, 25);
    ctx.arcTo(50, 25, 150, 25, 10);
    ctx.stroke();
    ctx.beginPath();
    ctx.moveTo(60, 25);
    ctx.arc(50, 25, 10, 0, 0, false);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.stroke.prune.rect
  desc: Zero-length line segments from rect and strokeRect are removed before stroking
  testing:
  - 2d.path.stroke.prune
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 100;
    ctx.lineCap = 'round';
    ctx.lineJoin = 'round';
    ctx.beginPath();
    ctx.rect(50, 25, 0, 0);
    ctx.stroke();
    ctx.strokeRect(50, 25, 0, 0);
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    t.done();

- name: 2d.path.stroke.prune.corner
  desc: Zero-length line segments are removed before stroking with miters
  testing:
  - 2d.path.stroke.prune
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 400;
    ctx.lineJoin = 'miter';
    ctx.miterLimit = 1.4;
    ctx.beginPath();
    ctx.moveTo(-1000, 200);
    ctx.lineTo(-100, 200);
    ctx.lineTo(-100, 200);
    ctx.lineTo(-100, 200);
    ctx.lineTo(-100, 1000);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.transformation.basic
  testing:
  - 2d.path.transformation
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.translate(-100, 0);
    ctx.rect(100, 0, 100, 50);
    ctx.translate(0, -100);
    ctx.fillStyle = '#0f0';
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.transformation.multiple
  desc: Transformations are applied while building paths, not when drawing
  testing:
  - 2d.path.transformation
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.translate(-100, 0);
    ctx.rect(0, 0, 100, 50);
    ctx.fill();
    ctx.translate(100, 0);
    ctx.fill();
    ctx.beginPath();
    ctx.strokeStyle = '#f00';
    ctx.lineWidth = 50;
    ctx.translate(0, -50);
    ctx.moveTo(0, 25);
    ctx.lineTo(100, 25);
    ctx.stroke();
    ctx.translate(0, 50);
    ctx.stroke();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.transformation.changing
  desc: Transformations are applied while building paths, not when drawing
  testing:
  - 2d.path.transformation
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.moveTo(0, 0);
    ctx.translate(100, 0);
    ctx.lineTo(0, 0);
    ctx.translate(0, 50);
    ctx.lineTo(0, 0);
    ctx.translate(-100, 0);
    ctx.lineTo(0, 0);
    ctx.translate(1000, 1000);
    ctx.rotate(Math.PI/2);
    ctx.scale(0.1, 0.1);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.clip.empty
  testing:
  - 2d.path.clip.basic
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.clip();
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.clip.basic.1
  testing:
  - 2d.path.clip.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.rect(0, 0, 100, 50);
    ctx.clip();
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.clip.basic.2
  testing:
  - 2d.path.clip.basic
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.rect(-100, 0, 100, 50);
    ctx.clip();
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.clip.intersect
  testing:
  - 2d.path.clip.basic
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.rect(0, 0, 50, 50);
    ctx.clip();
    ctx.beginPath();
    ctx.rect(50, 0, 50, 50)
    ctx.clip();
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.clip.winding.1
  testing:
  - 2d.path.clip.basic
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.lineTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.clip();
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.clip.winding.2
  testing:
  - 2d.path.clip.basic
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.beginPath();
    ctx.moveTo(-10, -10);
    ctx.lineTo(110, -10);
    ctx.lineTo(110, 60);
    ctx.lineTo(-10, 60);
    ctx.lineTo(-10, -10);
    ctx.clip();
    ctx.beginPath();
    ctx.moveTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.lineTo(0, 0);
    ctx.clip();
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.clip.unaffected
  testing:
  - 2d.path.clip.closed
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(0, 0);
    ctx.lineTo(0, 50);
    ctx.lineTo(100, 50);
    ctx.lineTo(100, 0);
    ctx.clip();
    ctx.lineTo(0, 0);
    ctx.fill();
    @assert pixel 50,25 == 0,255,0,255;
    t.done();

- name: 2d.path.isPointInPath.basic.1
  desc: isPointInPath() detects whether the point is inside the path
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.rect(0, 0, 20, 20);
    @assert ctx.isPointInPath(10, 10) === true;
    @assert ctx.isPointInPath(30, 10) === false;
    t.done();

- name: 2d.path.isPointInPath.basic.2
  desc: isPointInPath() detects whether the point is inside the path
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.rect(20, 0, 20, 20);
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(30, 10) === true;
    t.done();

- name: 2d.path.isPointInPath.edge
  desc: isPointInPath() counts points on the path as being inside
  testing:
  - 2d.path.isPointInPath.edge
  code: |
    ctx.rect(0, 0, 20, 20);
    @assert ctx.isPointInPath(0, 0) === true;
    @assert ctx.isPointInPath(10, 0) === true;
    @assert ctx.isPointInPath(20, 0) === true;
    @assert ctx.isPointInPath(20, 10) === true;
    @assert ctx.isPointInPath(20, 20) === true;
    @assert ctx.isPointInPath(10, 20) === true;
    @assert ctx.isPointInPath(0, 20) === true;
    @assert ctx.isPointInPath(0, 10) === true;
    @assert ctx.isPointInPath(10, -0.01) === false;
    @assert ctx.isPointInPath(10, 20.01) === false;
    @assert ctx.isPointInPath(-0.01, 10) === false;
    @assert ctx.isPointInPath(20.01, 10) === false;
    t.done();

- name: 2d.path.isPointInPath.empty
  desc: isPointInPath() works when there is no path
  testing:
  - 2d.path.isPointInPath
  code: |
    @assert ctx.isPointInPath(0, 0) === false;
    t.done();

- name: 2d.path.isPointInPath.subpath
  desc: isPointInPath() uses the current path, not just the subpath
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.rect(0, 0, 20, 20);
    ctx.beginPath();
    ctx.rect(20, 0, 20, 20);
    ctx.closePath();
    ctx.rect(40, 0, 20, 20);
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(30, 10) === true;
    @assert ctx.isPointInPath(50, 10) === true;
    t.done();

- name: 2d.path.isPointInPath.outside
  desc: isPointInPath() works on paths outside the canvas
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.rect(0, -100, 20, 20);
    ctx.rect(20, -10, 20, 20);
    @assert ctx.isPointInPath(10, -110) === false;
    @assert ctx.isPointInPath(10, -90) === true;
    @assert ctx.isPointInPath(10, -70) === false;
    @assert ctx.isPointInPath(30, -20) === false;
    @assert ctx.isPointInPath(30, 0) === true;
    @assert ctx.isPointInPath(30, 20) === false;
    t.done();

- name: 2d.path.isPointInPath.unclosed
  desc: isPointInPath() works on unclosed subpaths
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.moveTo(0, 0);
    ctx.lineTo(20, 0);
    ctx.lineTo(20, 20);
    ctx.lineTo(0, 20);
    @assert ctx.isPointInPath(10, 10) === true;
    @assert ctx.isPointInPath(30, 10) === false;
    t.done();

- name: 2d.path.isPointInPath.arc
  desc: isPointInPath() works on arcs
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.arc(50, 25, 10, 0, Math.PI, false);
    @assert ctx.isPointInPath(50, 10) === false;
    @assert ctx.isPointInPath(50, 20) === false;
    @assert ctx.isPointInPath(50, 30) === true;
    @assert ctx.isPointInPath(50, 40) === false;
    @assert ctx.isPointInPath(30, 20) === false;
    @assert ctx.isPointInPath(70, 20) === false;
    @assert ctx.isPointInPath(30, 30) === false;
    @assert ctx.isPointInPath(70, 30) === false;
    t.done();

- name: 2d.path.isPointInPath.bigarc
  desc: isPointInPath() works on unclosed arcs larger than 2pi
  opera: {bug: 320937}
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.arc(50, 25, 10, 0, 7, false);
    @assert ctx.isPointInPath(50, 10) === false;
    @assert ctx.isPointInPath(50, 20) === true;
    @assert ctx.isPointInPath(50, 30) === true;
    @assert ctx.isPointInPath(50, 40) === false;
    @assert ctx.isPointInPath(30, 20) === false;
    @assert ctx.isPointInPath(70, 20) === false;
    @assert ctx.isPointInPath(30, 30) === false;
    @assert ctx.isPointInPath(70, 30) === false;
    t.done();

- name: 2d.path.isPointInPath.bezier
  desc: isPointInPath() works on Bezier curves
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.moveTo(25, 25);
    ctx.bezierCurveTo(50, -50, 50, 100, 75, 25);
    @assert ctx.isPointInPath(25, 20) === false;
    @assert ctx.isPointInPath(25, 30) === false;
    @assert ctx.isPointInPath(30, 20) === true;
    @assert ctx.isPointInPath(30, 30) === false;
    @assert ctx.isPointInPath(40, 2) === false;
    @assert ctx.isPointInPath(40, 20) === true;
    @assert ctx.isPointInPath(40, 30) === false;
    @assert ctx.isPointInPath(40, 47) === false;
    @assert ctx.isPointInPath(45, 20) === true;
    @assert ctx.isPointInPath(45, 30) === false;
    @assert ctx.isPointInPath(55, 20) === false;
    @assert ctx.isPointInPath(55, 30) === true;
    @assert ctx.isPointInPath(60, 2) === false;
    @assert ctx.isPointInPath(60, 20) === false;
    @assert ctx.isPointInPath(60, 30) === true;
    @assert ctx.isPointInPath(60, 47) === false;
    @assert ctx.isPointInPath(70, 20) === false;
    @assert ctx.isPointInPath(70, 30) === true;
    @assert ctx.isPointInPath(75, 20) === false;
    @assert ctx.isPointInPath(75, 30) === false;
    t.done();

- name: 2d.path.isPointInPath.winding
  desc: isPointInPath() uses the non-zero winding number rule
  testing:
  - 2d.path.isPointInPath
  code: |
    // Create a square ring, using opposite windings to make a hole in the centre
    ctx.moveTo(0, 0);
    ctx.lineTo(50, 0);
    ctx.lineTo(50, 50);
    ctx.lineTo(0, 50);
    ctx.lineTo(0, 0);
    ctx.lineTo(10, 10);
    ctx.lineTo(10, 40);
    ctx.lineTo(40, 40);
    ctx.lineTo(40, 10);
    ctx.lineTo(10, 10);
    @assert ctx.isPointInPath(5, 5) === true;
    @assert ctx.isPointInPath(25, 5) === true;
    @assert ctx.isPointInPath(45, 5) === true;
    @assert ctx.isPointInPath(5, 25) === true;
    @assert ctx.isPointInPath(25, 25) === false;
    @assert ctx.isPointInPath(45, 25) === true;
    @assert ctx.isPointInPath(5, 45) === true;
    @assert ctx.isPointInPath(25, 45) === true;
    @assert ctx.isPointInPath(45, 45) === true;
    t.done();

- name: 2d.path.isPointInPath.transform.1
  desc: isPointInPath() handles transformations correctly
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.translate(50, 0);
    ctx.rect(0, 0, 20, 20);
    @assert ctx.isPointInPath(-40, 10) === false;
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(49, 10) === false;
    @assert ctx.isPointInPath(51, 10) === true;
    @assert ctx.isPointInPath(69, 10) === true;
    @assert ctx.isPointInPath(71, 10) === false;
    t.done();

- name: 2d.path.isPointInPath.transform.2
  desc: isPointInPath() handles transformations correctly
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.rect(50, 0, 20, 20);
    ctx.translate(50, 0);
    @assert ctx.isPointInPath(-40, 10) === false;
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(49, 10) === false;
    @assert ctx.isPointInPath(51, 10) === true;
    @assert ctx.isPointInPath(69, 10) === true;
    @assert ctx.isPointInPath(71, 10) === false;
    t.done();

- name: 2d.path.isPointInPath.transform.3
  desc: isPointInPath() handles transformations correctly
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.scale(-1, 1);
    ctx.rect(-70, 0, 20, 20);
    @assert ctx.isPointInPath(-40, 10) === false;
    @assert ctx.isPointInPath(10, 10) === false;
    @assert ctx.isPointInPath(49, 10) === false;
    @assert ctx.isPointInPath(51, 10) === true;
    @assert ctx.isPointInPath(69, 10) === true;
    @assert ctx.isPointInPath(71, 10) === false;
    t.done();

- name: 2d.path.isPointInPath.transform.4
  desc: isPointInPath() handles transformations correctly
  testing:
  - 2d.path.isPointInPath
  code: |
    ctx.translate(50, 0);
    ctx.rect(50, 0, 20, 20);
    ctx.translate(0, 50);
    @assert ctx.isPointInPath(60, 10) === false;
    @assert ctx.isPointInPath(110, 10) === true;
    @assert ctx.isPointInPath(110, 60) === false;
    t.done();

- name: 2d.path.isPointInPath.nonfinite
  desc: isPointInPath() returns false for non-finite arguments
  testing:
  - 2d.path.isPointInPath.nonfinite
  code: |
    ctx.rect(-100, -50, 200, 100);
    @assert ctx.isPointInPath(Infinity, 0) === false;
    @assert ctx.isPointInPath(-Infinity, 0) === false;
    @assert ctx.isPointInPath(NaN, 0) === false;
    @assert ctx.isPointInPath(0, Infinity) === false;
    @assert ctx.isPointInPath(0, -Infinity) === false;
    @assert ctx.isPointInPath(0, NaN) === false;
    @assert ctx.isPointInPath(NaN, NaN) === false;
    t.done();

- name: 2d.path.isPointInStroke.basic
  desc: detects whether point is in the area contained by the stroke of the path
  testing:
  - 2d.path.isPointInStroke.basic
  code: |
    ctx.strokeStyle = '#0f0';
    ctx.beginPath();
    ctx.rect(0, 0, 20, 20);
    @assert ctx.isPointInStroke(0, 0) === true;
    @assert ctx.isPointInStroke(30, 10) === false;

    var path = new Path2D();
    path.rect(20, 20, 100, 100);
    @assert ctx.isPointInStroke(path, 20, 20) === true;
    @assert ctx.isPointInStroke(path, 120, 20) === true;
    t.done();