chromium/src/third_party/blink/web_tests/external/wpt/html/canvas/tools/yaml/element/fill-and-stroke-styles.yaml

- name: 2d.fillStyle.parse.current.basic
  desc: currentColor is computed from the canvas element
  testing:
  - 2d.colours.parse
  - 2d.currentColor.onset
  code: |
    canvas.setAttribute('style', 'color: #0f0');
    ctx.fillStyle = '#f00';
    ctx.fillStyle = 'currentColor';
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.fillStyle.parse.current.changed
  desc: currentColor is computed when the attribute is set, not when it is painted
  testing:
  - 2d.colours.parse
  - 2d.currentColor.onset
  code: |
    canvas.setAttribute('style', 'color: #0f0');
    ctx.fillStyle = '#f00';
    ctx.fillStyle = 'currentColor';
    canvas.setAttribute('style', 'color: #f00');
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.fillStyle.parse.current.removed
  desc: currentColor is solid black when the canvas element is not in a document
  testing:
  - 2d.colours.parse
  - 2d.currentColor.outofdoc
  code: |
    // Try not to let it undetectably incorrectly pick up opaque-black
    // from other parts of the document:
    document.body.parentNode.setAttribute('style', 'color: #f00');
    document.body.setAttribute('style', 'color: #f00');
    canvas.setAttribute('style', 'color: #f00');

    var canvas2 = document.createElement('canvas');
    var ctx2 = canvas2.getContext('2d');
    ctx2.fillStyle = '#f00';
    ctx2.fillStyle = 'currentColor';
    ctx2.fillRect(0, 0, 100, 50);
    ctx.drawImage(canvas2, 0, 0);

    document.body.parentNode.removeAttribute('style');
    document.body.removeAttribute('style');

    @assert pixel 50,25 == 0,0,0,255;
  expected: |
    size 100 50
    cr.set_source_rgb(0, 0, 0)
    cr.rectangle(0, 0, 100, 50)
    cr.fill()

- name: 2d.fillStyle.invalidstring
  testing:
  - 2d.colours.invalidstring
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.fillStyle = 'invalid';
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.fillStyle.invalidtype
  testing:
  - 2d.colours.invalidtype
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.fillStyle = null;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.fillStyle.get.solid
  testing:
  - 2d.colours.getcolour
  - 2d.serializecolour.solid
  code: |
    ctx.fillStyle = '#fa0';
    @assert ctx.fillStyle === '#ffaa00';

- name: 2d.fillStyle.get.semitransparent
  testing:
  - 2d.colours.getcolour
  - 2d.serializecolour.transparent
  code: |
    ctx.fillStyle = 'rgba(255,255,255,0.45)';
    @assert ctx.fillStyle =~ /^rgba\(255, 255, 255, 0\.4\d+\)$/;

- name: 2d.fillStyle.get.transparent
  testing:
  - 2d.colours.getcolour
  - 2d.serializecolour.transparent
  code: |
    ctx.fillStyle = 'rgba(0,0,0,0)';
    @assert ctx.fillStyle === 'rgba(0, 0, 0, 0)';

- name: 2d.fillStyle.default
  testing:
  - 2d.colours.default
  code: |
    @assert ctx.fillStyle === '#000000';

- name: 2d.strokeStyle.default
  testing:
  - 2d.colours.default
  code: |
    @assert ctx.strokeStyle === '#000000';


- name: 2d.gradient.object.type
  desc: window.CanvasGradient exists and has the right properties
  testing:
  - 2d.canvasGradient.type
  notes: &bindings Defined in "Web IDL" (draft)
  code: |
    @assert window.CanvasGradient !== undefined;
    @assert window.CanvasGradient.prototype.addColorStop !== undefined;

- name: 2d.gradient.object.return
  desc: createLinearGradient() and createRadialGradient() returns objects implementing
    CanvasGradient
  testing:
  - 2d.gradient.linear.return
  - 2d.gradient.radial.return
  code: |
    window.CanvasGradient.prototype.thisImplementsCanvasGradient = true;

    var g1 = ctx.createLinearGradient(0, 0, 100, 0);
    @assert g1.addColorStop !== undefined;
    @assert g1.thisImplementsCanvasGradient === true;

    var g2 = ctx.createRadialGradient(0, 0, 10, 0, 0, 20);
    @assert g2.addColorStop !== undefined;
    @assert g2.thisImplementsCanvasGradient === true;

- name: 2d.gradient.interpolate.solid
  testing:
  - 2d.gradient.interpolate.linear
  code: |
    var g = ctx.createLinearGradient(0, 0, 100, 0);
    g.addColorStop(0, '#0f0');
    g.addColorStop(1, '#0f0');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.gradient.interpolate.colour
  testing:
  - 2d.gradient.interpolate.linear
  code: |
    var g = ctx.createLinearGradient(0, 0, 100, 0);
    g.addColorStop(0, '#ff0');
    g.addColorStop(1, '#00f');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 25,25 ==~ 191,191,63,255 +/- 3;
    @assert pixel 50,25 ==~ 127,127,127,255 +/- 3;
    @assert pixel 75,25 ==~ 63,63,191,255 +/- 3;
  expected: |
    size 100 50
    g = cairo.LinearGradient(0, 0, 100, 0)
    g.add_color_stop_rgb(0, 1,1,0)
    g.add_color_stop_rgb(1, 0,0,1)
    cr.set_source(g)
    cr.rectangle(0, 0, 100, 50)
    cr.fill()

- name: 2d.gradient.interpolate.alpha
  testing:
  - 2d.gradient.interpolate.linear
  code: |
    ctx.fillStyle = '#ff0';
    ctx.fillRect(0, 0, 100, 50);
    var g = ctx.createLinearGradient(0, 0, 100, 0);
    g.addColorStop(0, 'rgba(0,0,255, 0)');
    g.addColorStop(1, 'rgba(0,0,255, 1)');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 25,25 ==~ 191,191,63,255 +/- 3;
    @assert pixel 50,25 ==~ 127,127,127,255 +/- 3;
    @assert pixel 75,25 ==~ 63,63,191,255 +/- 3;
  expected: |
    size 100 50
    g = cairo.LinearGradient(0, 0, 100, 0)
    g.add_color_stop_rgb(0, 1,1,0)
    g.add_color_stop_rgb(1, 0,0,1)
    cr.set_source(g)
    cr.rectangle(0, 0, 100, 50)
    cr.fill()

- name: 2d.gradient.interpolate.colouralpha
  testing:
  - 2d.gradient.interpolate.alpha
  code: |
    var g = ctx.createLinearGradient(0, 0, 100, 0);
    g.addColorStop(0, 'rgba(255,255,0, 0)');
    g.addColorStop(1, 'rgba(0,0,255, 1)');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 25,25 ==~ 190,190,65,65 +/- 3;
    @assert pixel 50,25 ==~ 126,126,128,128 +/- 3;
    @assert pixel 75,25 ==~ 62,62,192,192 +/- 3;
  expected: |
    size 100 50
    g = cairo.LinearGradient(0, 0, 100, 0)
    g.add_color_stop_rgba(0, 1,1,0, 0)
    g.add_color_stop_rgba(1, 0,0,1, 1)
    cr.set_source(g)
    cr.rectangle(0, 0, 100, 50)
    cr.fill()

- name: 2d.gradient.interpolate.outside
  testing:
  - 2d.gradient.outside.first
  - 2d.gradient.outside.last
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createLinearGradient(25, 0, 75, 0);
    g.addColorStop(0.4, '#0f0');
    g.addColorStop(0.6, '#0f0');

    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 20,25 ==~ 0,255,0,255;
    @assert pixel 50,25 ==~ 0,255,0,255;
    @assert pixel 80,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.gradient.interpolate.zerosize.fill
  testing:
  - 2d.gradient.linear.zerosize
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.rect(0, 0, 100, 50);
    ctx.fill();
    @assert pixel 40,20 == 0,255,0,255;
  expected: green

- name: 2d.gradient.interpolate.zerosize.stroke
  testing:
  - 2d.gradient.linear.zerosize
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.strokeStyle = g;
    ctx.rect(20, 20, 60, 10);
    ctx.stroke();
    @assert pixel 19,19 == 0,255,0,255;
    @assert pixel 20,19 == 0,255,0,255;
    @assert pixel 21,19 == 0,255,0,255;
    @assert pixel 19,20 == 0,255,0,255;
    @assert pixel 20,20 == 0,255,0,255;
    @assert pixel 21,20 == 0,255,0,255;
    @assert pixel 19,21 == 0,255,0,255;
    @assert pixel 20,21 == 0,255,0,255;
    @assert pixel 21,21 == 0,255,0,255;
  expected: green

- name: 2d.gradient.interpolate.zerosize.fillRect
  testing:
  - 2d.gradient.linear.zerosize
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 40,20 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.gradient.interpolate.zerosize.strokeRect
  testing:
  - 2d.gradient.linear.zerosize
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.strokeStyle = g;
    ctx.strokeRect(20, 20, 60, 10);
    @assert pixel 19,19 == 0,255,0,255;
    @assert pixel 20,19 == 0,255,0,255;
    @assert pixel 21,19 == 0,255,0,255;
    @assert pixel 19,20 == 0,255,0,255;
    @assert pixel 20,20 == 0,255,0,255;
    @assert pixel 21,20 == 0,255,0,255;
    @assert pixel 19,21 == 0,255,0,255;
    @assert pixel 20,21 == 0,255,0,255;
    @assert pixel 21,21 == 0,255,0,255;
  expected: green

- name: 2d.gradient.interpolate.zerosize.fillText
  testing:
  - 2d.gradient.linear.zerosize
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.font = '100px sans-serif';
    ctx.fillText("AA", 0, 50);
    _assertGreen(ctx, 100, 50);
  expected: green

- name: 2d.gradient.interpolate.zerosize.strokeText
  testing:
  - 2d.gradient.linear.zerosize
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createLinearGradient(50, 25, 50, 25); // zero-length line (undefined direction)
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.strokeStyle = g;
    ctx.font = '100px sans-serif';
    ctx.strokeText("AA", 0, 50);
    _assertGreen(ctx, 100, 50);
  expected: green


- name: 2d.gradient.interpolate.vertical
  testing:
  - 2d.gradient.interpolate.linear
  code: |
    var g = ctx.createLinearGradient(0, 0, 0, 50);
    g.addColorStop(0, '#ff0');
    g.addColorStop(1, '#00f');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,12 ==~ 191,191,63,255 +/- 10;
    @assert pixel 50,25 ==~ 127,127,127,255 +/- 5;
    @assert pixel 50,37 ==~ 63,63,191,255 +/- 10;
  expected: |
    size 100 50
    g = cairo.LinearGradient(0, 0, 0, 50)
    g.add_color_stop_rgb(0, 1,1,0)
    g.add_color_stop_rgb(1, 0,0,1)
    cr.set_source(g)
    cr.rectangle(0, 0, 100, 50)
    cr.fill()

- name: 2d.gradient.interpolate.multiple
  testing:
  - 2d.gradient.interpolate.linear
  code: |
    canvas.width = 200;
    var g = ctx.createLinearGradient(0, 0, 200, 0);
    g.addColorStop(0, '#ff0');
    g.addColorStop(0.5, '#0ff');
    g.addColorStop(1, '#f0f');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 200, 50);
    @assert pixel 50,25 ==~ 127,255,127,255 +/- 3;
    @assert pixel 100,25 ==~ 0,255,255,255 +/- 3;
    @assert pixel 150,25 ==~ 127,127,255,255 +/- 3;
  expected: |
    size 200 50
    g = cairo.LinearGradient(0, 0, 200, 0)
    g.add_color_stop_rgb(0.0, 1,1,0)
    g.add_color_stop_rgb(0.5, 0,1,1)
    g.add_color_stop_rgb(1.0, 1,0,1)
    cr.set_source(g)
    cr.rectangle(0, 0, 200, 50)
    cr.fill()

- name: 2d.gradient.interpolate.overlap
  testing:
  - 2d.gradient.interpolate.overlap
  code: |
    canvas.width = 200;
    var g = ctx.createLinearGradient(0, 0, 200, 0);
    g.addColorStop(0, '#f00');
    g.addColorStop(0, '#ff0');
    g.addColorStop(0.25, '#00f');
    g.addColorStop(0.25, '#0f0');
    g.addColorStop(0.25, '#0f0');
    g.addColorStop(0.25, '#0f0');
    g.addColorStop(0.25, '#ff0');
    g.addColorStop(0.5, '#00f');
    g.addColorStop(0.5, '#0f0');
    g.addColorStop(0.75, '#00f');
    g.addColorStop(0.75, '#f00');
    g.addColorStop(0.75, '#ff0');
    g.addColorStop(0.5, '#0f0');
    g.addColorStop(0.5, '#0f0');
    g.addColorStop(0.5, '#ff0');
    g.addColorStop(1, '#00f');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 200, 50);
    @assert pixel 49,25 ==~ 0,0,255,255 +/- 16;
    @assert pixel 51,25 ==~ 255,255,0,255 +/- 16;
    @assert pixel 99,25 ==~ 0,0,255,255 +/- 16;
    @assert pixel 101,25 ==~ 255,255,0,255 +/- 16;
    @assert pixel 149,25 ==~ 0,0,255,255 +/- 16;
    @assert pixel 151,25 ==~ 255,255,0,255 +/- 16;
  expected: |
    size 200 50
    g = cairo.LinearGradient(0, 0, 50, 0)
    g.add_color_stop_rgb(0, 1,1,0)
    g.add_color_stop_rgb(1, 0,0,1)
    cr.set_source(g)
    cr.rectangle(0, 0, 50, 50)
    cr.fill()

    g = cairo.LinearGradient(50, 0, 100, 0)
    g.add_color_stop_rgb(0, 1,1,0)
    g.add_color_stop_rgb(1, 0,0,1)
    cr.set_source(g)
    cr.rectangle(50, 0, 50, 50)
    cr.fill()

    g = cairo.LinearGradient(100, 0, 150, 0)
    g.add_color_stop_rgb(0, 1,1,0)
    g.add_color_stop_rgb(1, 0,0,1)
    cr.set_source(g)
    cr.rectangle(100, 0, 50, 50)
    cr.fill()

    g = cairo.LinearGradient(150, 0, 200, 0)
    g.add_color_stop_rgb(0, 1,1,0)
    g.add_color_stop_rgb(1, 0,0,1)
    cr.set_source(g)
    cr.rectangle(150, 0, 50, 50)
    cr.fill()

- name: 2d.gradient.interpolate.overlap2
  testing:
  - 2d.gradient.interpolate.overlap
  code: |
    var g = ctx.createLinearGradient(0, 0, 100, 0);
    var ps = [ 0, 1/10, 1/4, 1/3, 1/2, 3/4, 1 ];
    for (var p = 0; p < ps.length; ++p)
    {
            g.addColorStop(ps[p], '#0f0');
            for (var i = 0; i < 15; ++i)
                    g.addColorStop(ps[p], '#f00');
            g.addColorStop(ps[p], '#0f0');
    }
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 1,25 == 0,255,0,255;
    @assert pixel 30,25 == 0,255,0,255;
    @assert pixel 40,25 == 0,255,0,255;
    @assert pixel 60,25 == 0,255,0,255;
    @assert pixel 80,25 == 0,255,0,255;
  expected: green

- name: 2d.gradient.empty
  testing:
  - 2d.gradient.empty
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    var g = ctx.createLinearGradient(0, 0, 0, 50);
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.gradient.object.update
  testing:
  - 2d.gradient.update
  code: |
    var g = ctx.createLinearGradient(-100, 0, 200, 0);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    g.addColorStop(0.1, '#0f0');
    g.addColorStop(0.9, '#0f0');
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.gradient.object.compare
  testing:
  - 2d.gradient.object
  code: |
    var g1 = ctx.createLinearGradient(0, 0, 100, 0);
    var g2 = ctx.createLinearGradient(0, 0, 100, 0);
    @assert g1 !== g2;
    ctx.fillStyle = g1;
    @assert ctx.fillStyle === g1;

- name: 2d.gradient.object.crosscanvas
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    var g = document.createElement('canvas').getContext('2d').createLinearGradient(0, 0, 100, 0);
    g.addColorStop(0, '#0f0');
    g.addColorStop(1, '#0f0');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.gradient.object.current
  testing:
  - 2d.currentColor.gradient
  code: |
    canvas.setAttribute('style', 'color: #f00');

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

    var g = ctx.createLinearGradient(0, 0, 100, 0);
    g.addColorStop(0, 'currentColor');
    g.addColorStop(1, 'currentColor');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 50,25 ==~ 0,0,0,255;
  expected: |
    size 100 50
    cr.set_source_rgb(0, 0, 0)
    cr.rectangle(0, 0, 100, 50)
    cr.fill()

- name: 2d.gradient.object.invalidoffset
  testing:
  - 2d.gradient.invalidoffset
  code: |
    var g = ctx.createLinearGradient(0, 0, 100, 0);
    @assert throws INDEX_SIZE_ERR g.addColorStop(-1, '#000');
    @assert throws INDEX_SIZE_ERR g.addColorStop(2, '#000');
    @assert throws TypeError g.addColorStop(Infinity, '#000');
    @assert throws TypeError g.addColorStop(-Infinity, '#000');
    @assert throws TypeError g.addColorStop(NaN, '#000');

- name: 2d.gradient.object.invalidcolour
  testing:
  - 2d.gradient.invalidcolour
  code: |
    var g = ctx.createLinearGradient(0, 0, 100, 0);
    @assert throws SYNTAX_ERR g.addColorStop(0, "");
    @assert throws SYNTAX_ERR g.addColorStop(0, 'rgb(NaN%, NaN%, NaN%)');
    @assert throws SYNTAX_ERR g.addColorStop(0, 'null');
    @assert throws SYNTAX_ERR g.addColorStop(0, 'undefined');
    @assert throws SYNTAX_ERR g.addColorStop(0, null);
    @assert throws SYNTAX_ERR g.addColorStop(0, undefined);

    var g = ctx.createRadialGradient(0, 0, 0, 100, 0, 0);
    @assert throws SYNTAX_ERR g.addColorStop(0, "");
    @assert throws SYNTAX_ERR g.addColorStop(0, 'rgb(NaN%, NaN%, NaN%)');
    @assert throws SYNTAX_ERR g.addColorStop(0, 'null');
    @assert throws SYNTAX_ERR g.addColorStop(0, 'undefined');
    @assert throws SYNTAX_ERR g.addColorStop(0, null);
    @assert throws SYNTAX_ERR g.addColorStop(0, undefined);


- name: 2d.gradient.linear.nonfinite
  desc: createLinearGradient() throws TypeError if arguments are not finite
  notes: *bindings
  testing:
  - 2d.gradient.linear.nonfinite
  code: |
    @nonfinite @assert throws TypeError ctx.createLinearGradient(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>);

- name: 2d.gradient.linear.transform.1
  desc: Linear gradient coordinates are relative to the coordinate space at the time
    of filling
  testing:
  - 2d.gradient.linear.transform
  code: |
    var g = ctx.createLinearGradient(0, 0, 200, 0);
    g.addColorStop(0, '#f00');
    g.addColorStop(0.25, '#0f0');
    g.addColorStop(0.75, '#0f0');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.translate(-50, 0);
    ctx.fillRect(50, 0, 100, 50);
    @assert pixel 25,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 75,25 == 0,255,0,255;
  expected: green

- name: 2d.gradient.linear.transform.2
  desc: Linear gradient coordinates are relative to the coordinate space at the time
    of filling
  testing:
  - 2d.gradient.linear.transform
  code: |
    ctx.translate(100, 0);
    var g = ctx.createLinearGradient(0, 0, 200, 0);
    g.addColorStop(0, '#f00');
    g.addColorStop(0.25, '#0f0');
    g.addColorStop(0.75, '#0f0');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.translate(-150, 0);
    ctx.fillRect(50, 0, 100, 50);
    @assert pixel 25,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 75,25 == 0,255,0,255;
  expected: green

- name: 2d.gradient.linear.transform.3
  desc: Linear gradient transforms do not experience broken caching effects
  testing:
  - 2d.gradient.linear.transform
  code: |
    var g = ctx.createLinearGradient(0, 0, 200, 0);
    g.addColorStop(0, '#f00');
    g.addColorStop(0.25, '#0f0');
    g.addColorStop(0.75, '#0f0');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    ctx.translate(-50, 0);
    ctx.fillRect(50, 0, 100, 50);
    @assert pixel 25,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 75,25 == 0,255,0,255;
  expected: green

- name: 2d.gradient.radial.negative
  desc: createRadialGradient() throws INDEX_SIZE_ERR if either radius is negative
  testing:
  - 2d.gradient.radial.negative
  code: |
    @assert throws INDEX_SIZE_ERR ctx.createRadialGradient(0, 0, -0.1, 0, 0, 1);
    @assert throws INDEX_SIZE_ERR ctx.createRadialGradient(0, 0, 1, 0, 0, -0.1);
    @assert throws INDEX_SIZE_ERR ctx.createRadialGradient(0, 0, -0.1, 0, 0, -0.1);

- name: 2d.gradient.radial.nonfinite
  desc: createRadialGradient() throws TypeError if arguments are not finite
  notes: *bindings
  testing:
  - 2d.gradient.radial.nonfinite
  code: |
    @nonfinite @assert throws TypeError ctx.createRadialGradient(<0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <1 Infinity -Infinity NaN>);

- name: 2d.gradient.radial.inside1
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(50, 25, 100, 50, 25, 200);
    g.addColorStop(0, '#0f0');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.inside2
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(50, 25, 200, 50, 25, 100);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#0f0');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.inside3
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(50, 25, 200, 50, 25, 100);
    g.addColorStop(0, '#f00');
    g.addColorStop(0.993, '#f00');
    g.addColorStop(1, '#0f0');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.outside1
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(200, 25, 10, 200, 25, 20);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#0f0');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.outside2
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(200, 25, 20, 200, 25, 10);
    g.addColorStop(0, '#0f0');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.outside3
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(200, 25, 20, 200, 25, 10);
    g.addColorStop(0, '#0f0');
    g.addColorStop(0.001, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.touch1
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(150, 25, 50, 200, 25, 100);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 1,1 == 0,255,0,255; @moz-todo
    @assert pixel 50,1 == 0,255,0,255; @moz-todo
    @assert pixel 98,1 == 0,255,0,255; @moz-todo
    @assert pixel 1,25 == 0,255,0,255; @moz-todo
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    @assert pixel 98,25 == 0,255,0,255; @moz-todo
    @assert pixel 1,48 == 0,255,0,255; @moz-todo
    @assert pixel 50,48 == 0,255,0,255; @moz-todo
    @assert pixel 98,48 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.gradient.radial.touch2
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(-80, 25, 70, 0, 25, 150);
    g.addColorStop(0, '#f00');
    g.addColorStop(0.01, '#0f0');
    g.addColorStop(0.99, '#0f0');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.touch3
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(120, -15, 25, 140, -30, 50);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 1,1 == 0,255,0,255; @moz-todo
    @assert pixel 50,1 == 0,255,0,255; @moz-todo
    @assert pixel 98,1 == 0,255,0,255; @moz-todo
    @assert pixel 1,25 == 0,255,0,255; @moz-todo
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    @assert pixel 98,25 == 0,255,0,255; @moz-todo
    @assert pixel 1,48 == 0,255,0,255; @moz-todo
    @assert pixel 50,48 == 0,255,0,255; @moz-todo
    @assert pixel 98,48 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.gradient.radial.equal
  testing:
  - 2d.gradient.radial.equal
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(50, 25, 20, 50, 25, 20);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 1,1 == 0,255,0,255; @moz-todo
    @assert pixel 50,1 == 0,255,0,255; @moz-todo
    @assert pixel 98,1 == 0,255,0,255; @moz-todo
    @assert pixel 1,25 == 0,255,0,255; @moz-todo
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    @assert pixel 98,25 == 0,255,0,255; @moz-todo
    @assert pixel 1,48 == 0,255,0,255; @moz-todo
    @assert pixel 50,48 == 0,255,0,255; @moz-todo
    @assert pixel 98,48 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.gradient.radial.cone.behind
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(120, 25, 10, 211, 25, 100);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 1,1 == 0,255,0,255; @moz-todo
    @assert pixel 50,1 == 0,255,0,255; @moz-todo
    @assert pixel 98,1 == 0,255,0,255; @moz-todo
    @assert pixel 1,25 == 0,255,0,255; @moz-todo
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    @assert pixel 98,25 == 0,255,0,255; @moz-todo
    @assert pixel 1,48 == 0,255,0,255; @moz-todo
    @assert pixel 50,48 == 0,255,0,255; @moz-todo
    @assert pixel 98,48 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.gradient.radial.cone.front
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(311, 25, 10, 210, 25, 100);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#0f0');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.cone.bottom
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(210, 25, 100, 230, 25, 101);
    g.addColorStop(0, '#0f0');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.cone.top
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(230, 25, 100, 100, 25, 101);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#0f0');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.cone.beside
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(0, 100, 40, 100, 100, 50);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 1,1 == 0,255,0,255; @moz-todo
    @assert pixel 50,1 == 0,255,0,255; @moz-todo
    @assert pixel 98,1 == 0,255,0,255; @moz-todo
    @assert pixel 1,25 == 0,255,0,255; @moz-todo
    @assert pixel 50,25 == 0,255,0,255; @moz-todo
    @assert pixel 98,25 == 0,255,0,255; @moz-todo
    @assert pixel 1,48 == 0,255,0,255; @moz-todo
    @assert pixel 50,48 == 0,255,0,255; @moz-todo
    @assert pixel 98,48 == 0,255,0,255; @moz-todo
  expected: green

- name: 2d.gradient.radial.cone.cylinder
  testing:
  - 2d.gradient.radial.rendering
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var g = ctx.createRadialGradient(210, 25, 100, 230, 25, 100);
    g.addColorStop(0, '#0f0');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.cone.shape1
  testing:
  - 2d.gradient.radial.rendering
  code: |
    var tol = 1; // tolerance to avoid antialiasing artifacts

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

    ctx.fillStyle = '#f00';
    ctx.beginPath();
    ctx.moveTo(30+tol, 40);
    ctx.lineTo(110, -20+tol);
    ctx.lineTo(110, 100-tol);
    ctx.fill();

    var g = ctx.createRadialGradient(30+10*5/2, 40, 10*3/2, 30+10*15/4, 40, 10*9/4);
    g.addColorStop(0, '#0f0');
    g.addColorStop(1, '#0f0');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.gradient.radial.cone.shape2
  testing:
  - 2d.gradient.radial.rendering
  code: |
    var tol = 1; // tolerance to avoid antialiasing artifacts

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

    var g = ctx.createRadialGradient(30+10*5/2, 40, 10*3/2, 30+10*15/4, 40, 10*9/4);
    g.addColorStop(0, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.beginPath();
    ctx.moveTo(30-tol, 40);
    ctx.lineTo(110, -20-tol);
    ctx.lineTo(110, 100+tol);
    ctx.fill();

    @assert pixel 1,1 == 0,255,0,255; @moz-todo
    @assert pixel 50,1 == 0,255,0,255; @moz-todo
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,25 == 0,255,0,255; @moz-todo
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 98,25 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255; @moz-todo
    @assert pixel 50,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.gradient.radial.transform.1
  desc: Radial gradient coordinates are relative to the coordinate space at the time
    of filling
  testing:
  - 2d.gradient.radial.transform
  code: |
    var g = ctx.createRadialGradient(0, 0, 0, 0, 0, 11.2);
    g.addColorStop(0, '#0f0');
    g.addColorStop(0.5, '#0f0');
    g.addColorStop(0.51, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.translate(50, 25);
    ctx.scale(10, 10);
    ctx.fillRect(-5, -2.5, 10, 5);
    @assert pixel 25,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 75,25 == 0,255,0,255;
  expected: green

- name: 2d.gradient.radial.transform.2
  desc: Radial gradient coordinates are relative to the coordinate space at the time
    of filling
  testing:
  - 2d.gradient.radial.transform
  code: |
    ctx.translate(100, 0);
    var g = ctx.createRadialGradient(0, 0, 0, 0, 0, 11.2);
    g.addColorStop(0, '#0f0');
    g.addColorStop(0.5, '#0f0');
    g.addColorStop(0.51, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.translate(-50, 25);
    ctx.scale(10, 10);
    ctx.fillRect(-5, -2.5, 10, 5);
    @assert pixel 25,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 75,25 == 0,255,0,255;
  expected: green

- name: 2d.gradient.radial.transform.3
  desc: Radial gradient transforms do not experience broken caching effects
  testing:
  - 2d.gradient.radial.transform
  code: |
    var g = ctx.createRadialGradient(0, 0, 0, 0, 0, 11.2);
    g.addColorStop(0, '#0f0');
    g.addColorStop(0.5, '#0f0');
    g.addColorStop(0.51, '#f00');
    g.addColorStop(1, '#f00');
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    ctx.translate(50, 25);
    ctx.scale(10, 10);
    ctx.fillRect(-5, -2.5, 10, 5);
    @assert pixel 25,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 75,25 == 0,255,0,255;
  expected: green

- name: 2d.gradient.conic
  desc: Conic gradient function exists
  code: |
    const g = ctx.createConicGradient(0, 0, 25);
    g.addColorStop(0, "#0f0");
    g.addColorStop(0.5, "#0f0");
    g.addColorStop(0.51, "#f00");
    g.addColorStop(1, "#f00");
    ctx.fillStyle = g;
    ctx.fillRect(0, 0, 100, 50);
    @assert pixel 25,25 == 0,255,0,255;
    @assert pixel 50,25 == 0,255,0,255;
    @assert pixel 75,25 == 0,255,0,255;
  expected: green

- name: 2d.pattern.basic.type
  testing:
  - 2d.pattern.return
  images:
  - green.png
  code: |
    @assert window.CanvasPattern !== undefined;

    window.CanvasPattern.prototype.thisImplementsCanvasPattern = true;

    var img = document.getElementById('green.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    @assert pattern.thisImplementsCanvasPattern;

- name: 2d.pattern.basic.image
  testing:
  - 2d.pattern.painting
  images:
  - green.png
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    var img = document.getElementById('green.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.basic.canvas
  testing:
  - 2d.pattern.painting
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var canvas2 = document.createElement('canvas');
    canvas2.width = 100;
    canvas2.height = 50;
    var ctx2 = canvas2.getContext('2d');
    ctx2.fillStyle = '#0f0';
    ctx2.fillRect(0, 0, 100, 50);

    var pattern = ctx.createPattern(canvas2, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.basic.zerocanvas
  testing:
  - 2d.pattern.zerocanvas
  code: |
    canvas.width = 0;
    canvas.height = 10;
    @assert canvas.width === 0;
    @assert canvas.height === 10;
    @assert throws INVALID_STATE_ERR ctx.createPattern(canvas, 'repeat');

    canvas.width = 10;
    canvas.height = 0;
    @assert canvas.width === 10;
    @assert canvas.height === 0;
    @assert throws INVALID_STATE_ERR ctx.createPattern(canvas, 'repeat');

    canvas.width = 0;
    canvas.height = 0;
    @assert canvas.width === 0;
    @assert canvas.height === 0;
    @assert throws INVALID_STATE_ERR ctx.createPattern(canvas, 'repeat');

- name: 2d.pattern.basic.nocontext
  testing:
  - 2d.pattern.painting
  code: |
    var canvas2 = document.createElement('canvas');
    canvas2.width = 100;
    canvas2.height = 50;
    var pattern = ctx.createPattern(canvas2, 'no-repeat');

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.transform.identity
  testing:
  - 2d.pattern.transform
  code: |
    var canvas2 = document.createElement('canvas');
    canvas2.width = 100;
    canvas2.height = 50;
    var pattern = ctx.createPattern(canvas2, 'no-repeat');
    pattern.setTransform(new DOMMatrix());

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.transform.infinity
  testing:
  - 2d.pattern.transform
  code: |
    var canvas2 = document.createElement('canvas');
    canvas2.width = 100;
    canvas2.height = 50;
    var pattern = ctx.createPattern(canvas2, 'no-repeat');
    pattern.setTransform({a: Infinity});

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.transform.invalid
  testing:
  - 2d.pattern.transform
  code: |
    var canvas2 = document.createElement('canvas');
    canvas2.width = 100;
    canvas2.height = 50;
    var pattern = ctx.createPattern(canvas2, 'no-repeat');
    @assert throws TypeError pattern.setTransform({a: 1, m11: 2});

- name: 2d.pattern.image.undefined
  testing:
  - 2d.pattern.IDL
  notes: *bindings
  code: |
    @assert throws TypeError ctx.createPattern(undefined, 'repeat');

- name: 2d.pattern.image.null
  testing:
  - 2d.pattern.IDL
  notes: *bindings
  code: |
    @assert throws TypeError ctx.createPattern(null, 'repeat');

- name: 2d.pattern.image.string
  testing:
  - 2d.pattern.IDL
  notes: *bindings
  code: |
    @assert throws TypeError ctx.createPattern('../images/red.png', 'repeat');

- name: 2d.pattern.image.incomplete.nosrc
  testing:
  - 2d.pattern.incomplete.image
  code: |
    var img = new Image();
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.image.incomplete.immediate
  testing:
  - 2d.pattern.incomplete.image
  images:
  - red.png
  code: |
    var img = new Image();
    img.src = '../images/red.png';
    // This triggers the "update the image data" algorithm.
    // The image will not go to the "completely available" state
    // until a fetch task in the networking task source is processed,
    // so the image must not be fully decodable yet:
    @assert ctx.createPattern(img, 'repeat') === null; @moz-todo

- name: 2d.pattern.image.incomplete.reload
  testing:
  - 2d.pattern.incomplete.image
  images:
  - yellow.png
  - red.png
  code: |
    var img = document.getElementById('yellow.png');
    img.src = '../images/red.png';
    // This triggers the "update the image data" algorithm,
    // and resets the image to the "unavailable" state.
    // The image will not go to the "completely available" state
    // until a fetch task in the networking task source is processed,
    // so the image must not be fully decodable yet:
    @assert ctx.createPattern(img, 'repeat') === null; @moz-todo

- name: 2d.pattern.image.incomplete.emptysrc
  testing:
  - 2d.pattern.incomplete.image
  images:
  - red.png
  mozilla: {throws: !!null ''}
  code: |
    var img = document.getElementById('red.png');
    img.src = "";
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.image.incomplete.removedsrc
  testing:
  - 2d.pattern.incomplete.image
  images:
  - red.png
  mozilla: {throws: !!null ''}
  code: |
    var img = document.getElementById('red.png');
    img.removeAttribute('src');
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.image.broken
  testing:
  - 2d.pattern.broken.image
  images:
  - broken.png
  code: |
    var img = document.getElementById('broken.png');
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.image.nonexistent
  testing:
  - 2d.pattern.nonexistent.image
  images:
  - no-such-image-really.png
  code: |
    var img = document.getElementById('no-such-image-really.png');
    @assert throws INVALID_STATE_ERR ctx.createPattern(img, 'repeat');

- name: 2d.pattern.svgimage.nonexistent
  testing:
  - 2d.pattern.nonexistent.svgimage
  svgimages:
  - no-such-image-really.png
  code: |
    var img = document.getElementById('no-such-image-really.png');
    @assert throws INVALID_STATE_ERR ctx.createPattern(img, 'repeat');

- name: 2d.pattern.image.nonexistent-but-loading
  testing:
  - 2d.pattern.nonexistent-but-loading.image
  code: |
    var img = document.createElement("img");
    img.src = "/images/no-such-image-really.png";
    @assert ctx.createPattern(img, 'repeat') === null;
    var img = document.createElementNS("http://www.w3.org/2000/svg", "image");
    img.src = "/images/no-such-image-really.png";
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.image.nosrc
  testing:
  - 2d.pattern.nosrc.image
  code: |
    var img = document.createElement("img");
    @assert ctx.createPattern(img, 'repeat') === null;
    var img = document.createElementNS("http://www.w3.org/2000/svg", "image");
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.image.zerowidth
  testing:
  - 2d.pattern.zerowidth.image
  images:
  - red-zerowidth.svg
  code: |
    var img = document.getElementById('red-zerowidth.svg');
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.image.zeroheight
  testing:
  - 2d.pattern.zeroheight.image
  images:
  - red-zeroheight.svg
  code: |
    var img = document.getElementById('red-zeroheight.svg');
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.svgimage.zerowidth
  testing:
  - 2d.pattern.zerowidth.svgimage
  svgimages:
  - red-zerowidth.svg
  code: |
    var img = document.getElementById('red-zerowidth.svg');
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.svgimage.zeroheight
  testing:
  - 2d.pattern.zeroheight.svgimage
  svgimages:
  - red-zeroheight.svg
  code: |
    var img = document.getElementById('red-zeroheight.svg');
    @assert ctx.createPattern(img, 'repeat') === null;

- name: 2d.pattern.repeat.empty
  testing:
  - 2d.pattern.missing
  images:
  - green-1x1.png
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    var img = document.getElementById('green-1x1.png');
    var pattern = ctx.createPattern(img, "");
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 200, 50);

    @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;
  expected: green

- name: 2d.pattern.repeat.null
  testing:
  - 2d.pattern.unrecognised
  code: |
    @assert ctx.createPattern(canvas, null) != null;

- name: 2d.pattern.repeat.undefined
  testing:
  - 2d.pattern.unrecognised
  code: |
    @assert throws SYNTAX_ERR ctx.createPattern(canvas, undefined);

- name: 2d.pattern.repeat.unrecognised
  testing:
  - 2d.pattern.unrecognised
  code: |
    @assert throws SYNTAX_ERR ctx.createPattern(canvas, "invalid");

- name: 2d.pattern.repeat.unrecognisednull
  testing:
  - 2d.pattern.unrecognised
  code: |
    @assert throws SYNTAX_ERR ctx.createPattern(canvas, "null");

- name: 2d.pattern.repeat.case
  testing:
  - 2d.pattern.exact
  code: |
    @assert throws SYNTAX_ERR ctx.createPattern(canvas, "Repeat");

- name: 2d.pattern.repeat.nullsuffix
  testing:
  - 2d.pattern.exact
  code: |
    @assert throws SYNTAX_ERR ctx.createPattern(canvas, "repeat\0");

- name: 2d.pattern.modify.image1
  testing:
  - 2d.pattern.modify
  images:
  - green.png
  code: |
    var img = document.getElementById('green.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    deferTest();
    img.onload = t.step_func_done(function ()
    {
        ctx.fillStyle = pattern;
        ctx.fillRect(0, 0, 100, 50);

        @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;
    });
    img.src = '/images/red.png';
  expected: green

- name: 2d.pattern.modify.image2
  testing:
  - 2d.pattern.modify
  images:
  - green.png
  code: |
    var img = document.getElementById('green.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#00f';
    ctx.fillRect(0, 0, 100, 50);
    deferTest();
    img.onload = t.step_func_done(function ()
    {
        ctx.fillStyle = pattern;
        ctx.fillRect(0, 0, 100, 50);

        @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;
    });
    img.src = '/images/red.png';
  expected: green

- name: 2d.pattern.modify.canvas1
  testing:
  - 2d.pattern.modify
  code: |
    var canvas2 = document.createElement('canvas');
    canvas2.width = 100;
    canvas2.height = 50;
    var ctx2 = canvas2.getContext('2d');
    ctx2.fillStyle = '#0f0';
    ctx2.fillRect(0, 0, 100, 50);

    var pattern = ctx.createPattern(canvas2, 'no-repeat');

    ctx2.fillStyle = '#f00';
    ctx2.fillRect(0, 0, 100, 50);

    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.modify.canvas2
  testing:
  - 2d.pattern.modify
  code: |
    var canvas2 = document.createElement('canvas');
    canvas2.width = 100;
    canvas2.height = 50;
    var ctx2 = canvas2.getContext('2d');
    ctx2.fillStyle = '#0f0';
    ctx2.fillRect(0, 0, 100, 50);

    var pattern = ctx.createPattern(canvas2, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    ctx2.fillStyle = '#f00';
    ctx2.fillRect(0, 0, 100, 50);

    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.crosscanvas
  images:
  - green.png
  code: |
    var img = document.getElementById('green.png');

    var pattern = document.createElement('canvas').getContext('2d').createPattern(img, 'no-repeat');
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @assert pixel 50,25 == 0,255,0,255;
  expected: green

- name: 2d.pattern.paint.norepeat.basic
  testing:
  - 2d.pattern.painting
  images:
  - green.png
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('green.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.norepeat.outside
  testing:
  - 2d.pattern.painting
  images:
  - red.png
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('red.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = pattern;
    ctx.fillRect(0, -50, 100, 50);
    ctx.fillRect(-100, 0, 100, 50);
    ctx.fillRect(0, 50, 100, 50);
    ctx.fillRect(100, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.norepeat.coord1
  testing:
  - 2d.pattern.painting
  images:
  - green.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 50, 50);
    ctx.fillStyle = '#f00';
    ctx.fillRect(50, 0, 50, 50);

    var img = document.getElementById('green.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.translate(50, 0);
    ctx.fillRect(-50, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.norepeat.coord2
  testing:
  - 2d.pattern.painting
  images:
  - green.png
  code: |
    var img = document.getElementById('green.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 50, 50);

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

    ctx.fillStyle = pattern;
    ctx.translate(50, 0);
    ctx.fillRect(-50, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.norepeat.coord3
  testing:
  - 2d.pattern.painting
  images:
  - red.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('red.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.translate(50, 25);
    ctx.fillRect(-50, -25, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 50, 25);

    @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;
  expected: green

- name: 2d.pattern.paint.repeat.basic
  testing:
  - 2d.pattern.painting
  images:
  - green-16x16.png
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('green-16x16.png');
    var pattern = ctx.createPattern(img, 'repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.repeat.outside
  testing:
  - 2d.pattern.painting
  images:
  - green-16x16.png
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('green-16x16.png');
    var pattern = ctx.createPattern(img, 'repeat');
    ctx.fillStyle = pattern;
    ctx.translate(50, 25);
    ctx.fillRect(-50, -25, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.repeat.coord1
  testing:
  - 2d.pattern.painting
  images:
  - rgrg-256x256.png
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('rgrg-256x256.png');
    var pattern = ctx.createPattern(img, 'repeat');
    ctx.fillStyle = pattern;
    ctx.translate(-128, -78);
    ctx.fillRect(128, 78, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.repeat.coord2
  testing:
  - 2d.pattern.painting
  images:
  - ggrr-256x256.png
  code: |
    var img = document.getElementById('ggrr-256x256.png');
    var pattern = ctx.createPattern(img, 'repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.repeat.coord3
  testing:
  - 2d.pattern.painting
  images:
  - rgrg-256x256.png
  code: |
    var img = document.getElementById('rgrg-256x256.png');
    var pattern = ctx.createPattern(img, 'repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    ctx.translate(-128, -78);
    ctx.fillRect(128, 78, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.repeatx.basic
  testing:
  - 2d.pattern.painting
  images:
  - green-16x16.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 16);

    var img = document.getElementById('green-16x16.png');
    var pattern = ctx.createPattern(img, 'repeat-x');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.repeatx.outside
  testing:
  - 2d.pattern.painting
  images:
  - red-16x16.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('red-16x16.png');
    var pattern = ctx.createPattern(img, 'repeat-x');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 16);

    @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;
  expected: green

- name: 2d.pattern.paint.repeatx.coord1
  testing:
  - 2d.pattern.painting
  images:
  - red-16x16.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('red-16x16.png');
    var pattern = ctx.createPattern(img, 'repeat-x');
    ctx.fillStyle = pattern;
    ctx.translate(0, 16);
    ctx.fillRect(0, -16, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 16);

    @assert pixel 1,1 == 0,255,0,255;
    @assert pixel 98,1 == 0,255,0,255;
    @assert pixel 1,25 == 0,255,0,255;
    @assert pixel 98,25 == 0,255,0,255;
    @assert pixel 1,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.pattern.paint.repeaty.basic
  testing:
  - 2d.pattern.painting
  images:
  - green-16x16.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 16, 50);

    var img = document.getElementById('green-16x16.png');
    var pattern = ctx.createPattern(img, 'repeat-y');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.repeaty.outside
  testing:
  - 2d.pattern.painting
  images:
  - red-16x16.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('red-16x16.png');
    var pattern = ctx.createPattern(img, 'repeat-y');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 16, 50);

    @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;
  expected: green

- name: 2d.pattern.paint.repeaty.coord1
  testing:
  - 2d.pattern.painting
  images:
  - red-16x16.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('red-16x16.png');
    var pattern = ctx.createPattern(img, 'repeat-y');
    ctx.fillStyle = pattern;
    ctx.translate(48, 0);
    ctx.fillRect(-48, 0, 100, 50);

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 16, 50);

    @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 1,48 == 0,255,0,255;
    @assert pixel 50,48 == 0,255,0,255;
    @assert pixel 98,48 == 0,255,0,255;
  expected: green

- name: 2d.pattern.paint.orientation.image
  desc: Image patterns do not get flipped when painted
  testing:
  - 2d.pattern.painting
  images:
  - rrgg-256x256.png
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var img = document.getElementById('rrgg-256x256.png');
    var pattern = ctx.createPattern(img, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.save();
    ctx.translate(0, -103);
    ctx.fillRect(0, 103, 100, 50);
    ctx.restore();

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 25);

    @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;
  expected: green

- name: 2d.pattern.paint.orientation.canvas
  desc: Canvas patterns do not get flipped when painted
  testing:
  - 2d.pattern.painting
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);

    var canvas2 = document.createElement('canvas');
    canvas2.width = 100;
    canvas2.height = 50;
    var ctx2 = canvas2.getContext('2d');
    ctx2.fillStyle = '#f00';
    ctx2.fillRect(0, 0, 100, 25);
    ctx2.fillStyle = '#0f0';
    ctx2.fillRect(0, 25, 100, 25);

    var pattern = ctx.createPattern(canvas2, 'no-repeat');
    ctx.fillStyle = pattern;
    ctx.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 25);

    @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;
  expected: green


- name: 2d.pattern.animated.gif
  desc: createPattern() of an animated GIF draws the first frame
  testing:
  - 2d.pattern.animated.image
  images:
  - anim-gr.gif
  code: |
    deferTest();
    step_timeout(function () {
        var pattern = ctx.createPattern(document.getElementById('anim-gr.gif'), 'repeat');
        ctx.fillStyle = pattern;
        ctx.fillRect(0, 0, 50, 50);
        step_timeout(t.step_func_done(function () {
            ctx.fillRect(50, 0, 50, 50);
            @assert pixel 25,25 ==~ 0,255,0,255;
            @assert pixel 75,25 ==~ 0,255,0,255;
        }), 250);
    }, 250);
  expected: green