path: root/testing/web-platform/tests/html/canvas/tools/yaml-new/drawing-images-to-the-canvas.yaml

- name: 2d.drawImage.canvas
  canvasType: ['HTMLCanvas']
  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);

    ctx.fillStyle = '#f00';
    ctx.drawImage(canvas2, 0, 0);

    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;

    ctx.drawImage(document.createElement('canvas'), 0, 0);

    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.self.1
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 50, 50);
    ctx.fillStyle = '#f00';
    ctx.fillRect(50, 0, 50, 50);
    ctx.drawImage(canvas, 50, 0);

    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.self.2
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 1, 100, 49);
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 1);
    ctx.drawImage(canvas, 0, 1);
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 2);

    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.null
  code: |
    @assert throws TypeError ctx.drawImage(null, 0, 0);

- name: 2d.drawImage.wrongtype
  desc: Incorrect image types in drawImage do not match any defined overloads, so
    WebIDL throws a TypeError
  code: |
    @assert throws TypeError ctx.drawImage(undefined, 0, 0);
    @assert throws TypeError ctx.drawImage(0, 0, 0);
    @assert throws TypeError ctx.drawImage("", 0, 0);

- name: 2d.drawImage.wrongtype.paragraph
  desc: Incorrect image types in drawImage do not match any defined overloads, so
    WebIDL throws a TypeError
  notes: &bindings Defined in "Web IDL" (draft)
  canvasType: ['HTMLCanvas']
  code: |
    @assert throws TypeError ctx.drawImage(document.createElement('p'), 0, 0);

- name: 2d.drawImage.incomplete.nosrc
  canvasType: ['HTMLCanvas']
  mozilla: {throws: !!null ''}
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    var img = new Image();
    ctx.drawImage(img, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.incomplete.immediate
  canvasType: ['HTMLCanvas']
  images:
  - red.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    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:
    ctx.drawImage(img, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255; @moz-todo
  expected: green

- name: 2d.drawImage.incomplete.reload
  canvasType: ['HTMLCanvas']
  images:
  - yellow.png
  - red.png
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    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:
    ctx.drawImage(img, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255; @moz-todo
  expected: green

- name: 2d.drawImage.incomplete.emptysrc
  canvasType: ['HTMLCanvas']
  images:
  - red.png
  mozilla: {throws: !!null ''}
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    var img = document.getElementById('red.png');
    img.src = "";
    ctx.drawImage(img, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.incomplete.removedsrc
  canvasType: ['HTMLCanvas']
  images:
  - red.png
  mozilla: {throws: !!null ''}
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    var img = document.getElementById('red.png');
    img.removeAttribute('src');
    ctx.drawImage(img, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.nonexistent
  canvasType: ['HTMLCanvas']
  images:
  - not-found-at-all.png
  code: |
    var img = document.getElementById('not-found-at-all.png');
    @assert throws INVALID_STATE_ERR ctx.drawImage(img, 0, 0);

- name: 2d.drawImage.zerocanvas
  desc: drawImage with zero-sized canvas as the source shoud throw exception
  canvasType: ['HTMLCanvas']
  code: |
    var canvas2 = document.createElement('canvas');
    canvas2.width = 0;
    canvas2.height = 50;
    @assert throws INVALID_STATE_ERR ctx.drawImage(canvas2, 0, 0);

    canvas2.width = 50;
    canvas2.height = 0;
    @assert throws INVALID_STATE_ERR ctx.drawImage(canvas2, 0, 0);

    canvas2.width = 0;
    canvas2.height = 0;
    @assert throws INVALID_STATE_ERR ctx.drawImage(canvas2, 0, 0);

- name: 2d.drawImage.animated.gif
  desc: drawImage() of an animated GIF draws the first frame
  canvasType: ['HTMLCanvas']
  images:
  - anim-gr.gif
  code: |
    deferTest();
    step_timeout(t.step_func_done(function () {
        ctx.drawImage(document.getElementById('anim-gr.gif'), 0, 0);
        @assert pixel 50,25 ==~ 0,255,0,255;
    }), 500);
  expected: green

# TODO: drawImage shadows

- name: 2d.drawImage.3arg
  test_type: promise
  code: |
    const response_red = await fetch('/images/red.png');
    const blob_red = await response_red.blob();
    const bitmap_red = await createImageBitmap(blob_red);

    const response_green = await fetch('/images/green.png');
    const blob_green = await response_green.blob();
    const bitmap_green = await createImageBitmap(blob_green);

    ctx.drawImage(bitmap_green, 0, 0);
    ctx.drawImage(bitmap_red, -100, 0);
    ctx.drawImage(bitmap_red, 100, 0);
    ctx.drawImage(bitmap_red, 0, -50);
    ctx.drawImage(bitmap_red, 0, 50);
    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;

- name: 2d.drawImage.5arg
  test_type: promise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    const response_red = await fetch('/images/red.png');
    const blob_red = await response_red.blob();
    const bitmap_red = await createImageBitmap(blob_red);

    const response_green = await fetch('/images/green.png');
    const blob_green = await response_green.blob();
    const bitmap_green = await createImageBitmap(blob_green);

    ctx.drawImage(bitmap_green, 50, 0, 50, 50);
    ctx.drawImage(bitmap_red, 0, 0, 50, 50);
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 50, 50);
    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;

- name: 2d.drawImage.9arg.basic
  test_type: promise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/green.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);

    ctx.drawImage(bitmap, 0, 0, 100, 50, 0, 0, 100, 50);
    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.9arg.sourcepos
  test_type: promise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/rgrg-256x256.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);
    ctx.drawImage(bitmap, 140, 20, 100, 50, 0, 0, 100, 50);
    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.9arg.sourcesize
  test_type: promise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/rgrg-256x256.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);
    ctx.drawImage(bitmap, 0, 0, 256, 256, 0, 0, 100, 50);
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 51, 26);
    ctx.fillRect(49, 24, 51, 26);
    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;
    @assert pixel 20,20 ==~ 0,255,0,255;
    @assert pixel 80,20 ==~ 0,255,0,255;
    @assert pixel 20,30 ==~ 0,255,0,255;
    @assert pixel 80,30 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.9arg.destpos
  test_type: promise
  code: |
    const response_red = await fetch('/images/red.png');
    const blob_red = await response_red.blob();
    const bitmap_red = await createImageBitmap(blob_red);

    const response_green = await fetch('/images/green.png');
    const blob_green = await response_green.blob();
    const bitmap_green = await createImageBitmap(blob_green);

    ctx.drawImage(bitmap_green, 0, 0, 100, 50, 0, 0, 100, 50);
    ctx.drawImage(bitmap_green, 0, 0, 100, 50, -100, 0, 100, 50);
    ctx.drawImage(bitmap_red, 0, 0, 100, 50, 100, 0, 100, 50);
    ctx.drawImage(bitmap_red, 0, 0, 100, 50, 0, -50, 100, 50);
    ctx.drawImage(bitmap_red, 0, 0, 100, 50, 0, 50, 100, 50);
    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;

- name: 2d.drawImage.9arg.destsize
  test_type: promise
  code: |
    const response_red = await fetch('/images/red.png');
    const blob_red = await response_red.blob();
    const bitmap_red = await createImageBitmap(blob_red);

    const response_green = await fetch('/images/green.png');
    const blob_green = await response_green.blob();
    const bitmap_green = await createImageBitmap(blob_green);

    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    ctx.drawImage(bitmap_green, 1, 1, 1, 1, 0, 0, 100, 50);
    ctx.drawImage(bitmap_red, 0, 0, 100, 50, -50, 0, 50, 50);
    ctx.drawImage(bitmap_red, 0, 0, 100, 50, 100, 0, 50, 50);
    ctx.drawImage(bitmap_red, 0, 0, 100, 50, 0, -25, 100, 25);
    ctx.drawImage(bitmap_red, 0, 0, 100, 50, 0, 50, 100, 25);
    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;

- name: 2d.drawImage.canvas
  canvasType: ['OffscreenCanvas', 'Worker']
  code: |
    var offscreenCanvas2 = new OffscreenCanvas(100, 50);
    var ctx2 = offscreenCanvas2.getContext('2d');
    ctx2.fillStyle = '#0f0';
    ctx2.fillRect(0, 0, 100, 50);
    ctx.fillStyle = '#f00';
    ctx.drawImage(offscreenCanvas2, 0, 0);
    @assert pixel 0,0 ==~ 0,255,0,255;
    @assert pixel 99,0 ==~ 0,255,0,255;
    @assert pixel 0,49 ==~ 0,255,0,255;
    @assert pixel 99,49 ==~ 0,255,0,255;

- name: 2d.drawImage.zerocanvas
  canvasType: ['OffscreenCanvas', 'Worker']
  code: |
    var offscreenCanvas2 = new OffscreenCanvas(0, 10);
    @assert throws INVALID_STATE_ERR ctx.drawImage(offscreenCanvas2, 0, 0);

    offscreenCanvas2.width = 10;
    offscreenCanvas2.height = 0;
    @assert throws INVALID_STATE_ERR ctx.drawImage(offscreenCanvas2, 0, 0);

    offscreenCanvas2.width = 0;
    offscreenCanvas2.height = 0;
    @assert throws INVALID_STATE_ERR ctx.drawImage(offscreenCanvas2, 0, 0);

- name: 2d.drawImage.floatsource
  test_type: promise
  code: |
    const response = await fetch('/images/green.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);
    ctx.drawImage(bitmap, 10.1, 10.1, 0.1, 0.1, 0, 0, 100, 50);
    @assert pixel 50,25 ==~ 0,255,0,255;
  Expected: green

- name: 2d.drawImage.zerosource
  desc: drawImage with zero-sized source rectangle draws nothing without exception
  test_type: promise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/red.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);
    ctx.drawImage(bitmap, 10, 10, 0, 1, 0, 0, 100, 50);
    ctx.drawImage(bitmap, 10, 10, 1, 0, 0, 0, 100, 50);
    ctx.drawImage(bitmap, 10, 10, 0, 0, 0, 0, 100, 50);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.zerosource.image
  desc: drawImage with zero-sized source rectangle from image draws nothing without exception
  test_type: promise
  canvasType: ['HTMLCanvas', 'OffscreenCanvas']
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);

    function loadImage(src) {
      return new Promise((resolve, reject) => {
        const img = new Image();
        img.onload = () => resolve(img);
        img.onerror = (err) => reject(err);
        img.src = src;
      });
    }
    const img1 = await loadImage('/images/red-zerowidth.svg');
    const img2 = await loadImage('/images/red-zeroheight.svg');
    const img3 = await loadImage('/images/red-zerosize.svg');

    ctx.drawImage(img1, 0, 0, 100, 50);
    ctx.drawImage(img2, 0, 0, 100, 50);
    ctx.drawImage(img3, 0, 0, 100, 50);
    _assertPixel(canvas, 50, 25, 0, 255, 0, 255);
  expected: green


- name: 2d.drawImage.negativesource
  desc: Negative source width/height represents the correct rectangle
  mozilla: {throws: !!null ''}
  test_type: promise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/ggrr-256x256.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);
    ctx.drawImage(bitmap, 100, 78, -100, 50, 0, 0, 50, 50);
    ctx.drawImage(bitmap, 100, 128, -100, -50, 50, 0, 50, 50);
    @assert pixel 1,1 ==~ 0,255,0,255;
    @assert pixel 1,48 ==~ 0,255,0,255;
    @assert pixel 98,1 ==~ 0,255,0,255;
    @assert pixel 98,48 ==~ 0,255,0,255;
    @assert pixel 48,1 ==~ 0,255,0,255;
    @assert pixel 48,48 ==~ 0,255,0,255;
    @assert pixel 51,1 ==~ 0,255,0,255;
    @assert pixel 51,48 ==~ 0,255,0,255;
    @assert pixel 25,25 ==~ 0,255,0,255;
    @assert pixel 75,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.negativedest
  desc: Negative destination width/height represents the correct rectangle
  mozilla: {throws: !!null ''}
  test_type: promise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/ggrr-256x256.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);
    ctx.drawImage(bitmap, 100, 78, 50, 50, 0, 50, 50, -50);
    ctx.drawImage(bitmap, 100, 128, 50, -50, 100, 50, -50, -50);
    @assert pixel 1,1 ==~ 0,255,0,255;
    @assert pixel 1,48 ==~ 0,255,0,255;
    @assert pixel 98,1 ==~ 0,255,0,255;
    @assert pixel 98,48 ==~ 0,255,0,255;
    @assert pixel 48,1 ==~ 0,255,0,255;
    @assert pixel 48,48 ==~ 0,255,0,255;
    @assert pixel 51,1 ==~ 0,255,0,255;
    @assert pixel 51,48 ==~ 0,255,0,255;
    @assert pixel 25,25 ==~ 0,255,0,255;
    @assert pixel 75,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.negativedir
  desc: Negative dimensions do not affect the direction of the image
  mozilla: {throws: !!null ''}
  test_type: promise
  code: |
    ctx.fillStyle = '#f00';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/ggrr-256x256.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);
    ctx.drawImage(bitmap, 0, 178, 50, -100, 0, 0, 50, 100);
    ctx.drawImage(bitmap, 0, 78, 50, 100, 50, 100, 50, -100);
    @assert pixel 1,1 ==~ 0,255,0,255;
    @assert pixel 1,48 ==~ 0,255,0,255;
    @assert pixel 98,1 ==~ 0,255,0,255;
    @assert pixel 98,48 ==~ 0,255,0,255;
    @assert pixel 48,1 ==~ 0,255,0,255;
    @assert pixel 48,48 ==~ 0,255,0,255;
    @assert pixel 51,1 ==~ 0,255,0,255;
    @assert pixel 51,48 ==~ 0,255,0,255;
    @assert pixel 25,25 ==~ 0,255,0,255;
    @assert pixel 75,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.outsidesource
  DISABLED: fix this to match the current spec (transparent black outside source)
  canvasType: ['OffscreenCanvas', 'Worker']
  code: |
    const response_red = await fetch('/images/red.png');
    const blob_red = await response_red.blob();
    const bitmap_red = await createImageBitmap(blob_red);

    const response_green = await fetch('/images/green.png');
    const blob_green = await response_green.blob();
    const bitmap_green = await createImageBitmap(blob_green);
    ctx.drawImage(bitmap_green, 10.5, 10.5, 89.5, 39.5, 0, 0, 100, 50);
    ctx.drawImage(bitmap_green, 5.5, 5.5, -5.5, -5.5, 0, 0, 100, 50);
    ctx.drawImage(bitmap_green, 100, 50, -5, -5, 0, 0, 100, 50);
    @assert throws INDEX_SIZE_ERR ctx.drawImage(bitmap1, -0.001, 0, 100, 50, 0, 0, 100, 50);
    @assert throws INDEX_SIZE_ERR ctx.drawImage(bitmap1, 0, -0.001, 100, 50, 0, 0, 100, 50);
    @assert throws INDEX_SIZE_ERR ctx.drawImage(bitmap1, 0, 0, 100.001, 50, 0, 0, 100, 50);
    @assert throws INDEX_SIZE_ERR ctx.drawImage(bitmap1, 0, 0, 100, 50.001, 0, 0, 100, 50);
    @assert throws INDEX_SIZE_ERR ctx.drawImage(bitmap1, 50, 0, 50.001, 50, 0, 0, 100, 50); @moz-todo
    @assert throws INDEX_SIZE_ERR ctx.drawImage(bitmap1, 0, 0, -5, 5, 0, 0, 100, 50);
    @assert throws INDEX_SIZE_ERR ctx.drawImage(bitmap1, 0, 0, 5, -5, 0, 0, 100, 50);
    @assert throws INDEX_SIZE_ERR ctx.drawImage(bitmap1, 110, 60, -20, -20, 0, 0, 100, 50);
    @assert pixel 50,25 ==~ 0,255,0,255; @moz-todo
  expected: green

- name: 2d.drawImage.broken
  test_type: promise
  code: |
    const response = await fetch('/images/broken.png');
    const blob = await response.blob();

    await promise_rejects_dom(t, 'InvalidStateError', createImageBitmap(blob), 'The source image could not be decoded.');
  expected: green

- name: 2d.drawImage.svg
  desc: drawImage() of an SVG image
  test_type: promise
  canvasType: ['HTMLCanvas', 'OffscreenCanvas']
  code: |
    const img = new Image();
    const imageLoadPromise = new Promise((resolve, reject) => {
      img.onload = () => resolve();
      img.onerror = (err) => reject(err);
    });
    img.src = '/images/green.svg';
    await imageLoadPromise;

    ctx.drawImage(img, 0, 0);
    _assertPixelApprox(canvas, 50, 25, 0, 255, 0, 255, 2);
  expected: green

- name: 2d.drawImage.path
  test_type: promise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.rect(0, 0, 100, 50);
    const response = await fetch('/images/red.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);

    ctx.drawImage(bitmap, 0, 0);
    ctx.fill();
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.transform
  test_type: promise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.translate(100, 0);
    const response = await fetch('/images/red.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);

    ctx.drawImage(bitmap, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.alpha
  test_type: promise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.globalAlpha = 0;
    const response = await fetch('/images/red.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);

    ctx.drawImage(bitmap, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.clip
  test_type: promise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.rect(-10, -10, 1, 1);
    ctx.clip();
    const response = await fetch('/images/red.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);

    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.rect(-10, -10, 1, 1);
    ctx.clip();
    ctx.drawImage(bitmap, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.composite
  test_type: promise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    ctx.globalCompositeOperation = 'destination-over';
    const response = await fetch('/images/red.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);

    ctx.drawImage(bitmap, 0, 0);
    @assert pixel 50,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.nowrap
  desc: Stretched images do not get pixels wrapping around the edges
  test_type: promise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/redtransparent.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);

    ctx.drawImage(bitmap, -1950, 0, 2000, 50);
    @assert pixel 45,25 ==~ 0,255,0,255;
    @assert pixel 50,25 ==~ 0,255,0,255;
    @assert pixel 55,25 ==~ 0,255,0,255;
  expected: green

- name: 2d.drawImage.nonfinite
  desc: drawImage() with Infinity/NaN is ignored
  test_type: promise
  code: |
    ctx.fillStyle = '#0f0';
    ctx.fillRect(0, 0, 100, 50);
    const response = await fetch('/images/redtransparent.png');
    const blob = await response.blob();
    const bitmap = await createImageBitmap(blob);

    @nonfinite ctx.drawImage(<bitmap>, <0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>);
    @nonfinite ctx.drawImage(<bitmap>, <0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <100 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    @nonfinite ctx.drawImage(<bitmap>, <0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <100 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <0 Infinity -Infinity NaN>, <100 Infinity -Infinity NaN>, <50 Infinity -Infinity NaN>);
    @assert pixel 50,25 == 0,255,0,255;
  expected: green