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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/media.js"></script>
<script src="common.sub.js"></script>
<script>
function makeOversizedCanvas() {
return new Promise(resolve => {
let canvas = document.createElement('canvas');
canvas.setAttribute('width', '100000000');
canvas.setAttribute('height', '100000000');
resolve(canvas);
});
}
function makeOversizedOffscreenCanvas() {
return new Promise(resolve =>{
let canvas = new OffscreenCanvas(100000000, 100000000);
resolve(canvas);
});
}
function makeInvalidBlob() {
return new Promise(resolve => {
resolve(new Blob()); // Blob with no data cannot be decoded.
});
}
function makeBrokenImage() {
return new Promise((resolve, reject) => {
const image = new Image();
image.src = "data:,x";
image.onload = reject;
image.onerror = () => resolve(image);
});
}
function makeAvailableButBrokenImage(path) {
return new Promise((resolve, reject) => {
const image = new Image();
image.src = path;
image.onload = () => resolve(image);
image.onerror = reject;
});
}
testCases = [
{
description: 'createImageBitmap with <sourceType> source and sw set to 0',
promiseTestFunction:
(source, t) => {
return promise_rejects_js(t, RangeError,
createImageBitmap(source, 0, 0, 0, 10));
}
},
{
description: 'createImageBitmap with <sourceType> source and sh set to 0',
promiseTestFunction:
(source, t) => {
return promise_rejects_js(t, RangeError,
createImageBitmap(source, 0, 0, 10, 0));
}
},
{
description: 'createImageBitmap with <sourceType> source and oversized ' +
'(unallocatable) crop region',
promiseTestFunction:
(source, t) => {
return createImageBitmap(source, 0, 0, 100000000, 100000000)
.then(i => {
assert_equals(i.width, 100000000);
assert_equals(i.height, 100000000);
})
.catch(e => {
// This case is not explicitly documented in the specification for
// createImageBitmap, but it is expected that internal failures
// cause InvalidStateError.
//
// Note: https://bugs.chromium.org/p/chromium/issues/detail?id=799025
assert_throws_dom("InvalidStateError", () => { throw e });
});
}
},
{
description: 'createImageBitmap with <sourceType> source and ' +
'a value of 0 int resizeWidth',
promiseTestFunction:
(source, t) => {
return createImageBitmap(source, {resizeWidth:0, resizeHeight:10})
.catch(e => {
assert_throws_dom("InvalidStateError", () => { throw e });
});
}
},
{
description: 'createImageBitmap with <sourceType> source and ' +
'a value of 0 in resizeHeight',
promiseTestFunction:
(source, t) => {
return createImageBitmap(source, {resizeWidth:10, resizeHeight:0})
.catch(e => {
assert_throws_dom("InvalidStateError", () => { throw e });
});
}
},
{
description: 'createImageBitmap with <sourceType> source and ' +
'a value between 0 and 1 in resizeWidth',
promiseTestFunction:
(source, t) => {
return createImageBitmap(source, {resizeWidth:0.5, resizeHeight:10})
.catch(e => {
assert_throws_dom("InvalidStateError", () => { throw e });
});
}
},
{
description: 'createImageBitmap with <sourceType> source and ' +
'a value between 0 and 1 in resizeHeight',
promiseTestFunction:
(source, t) => {
return createImageBitmap(source, {resizeWidth:10, resizeHeight:0.5})
.catch(e => {
assert_throws_dom("InvalidStateError", () => { throw e });
});
}
},
];
// Generate the test matrix for each sourceType + testCase combo.
imageSourceTypes.forEach(imageSourceType => {
testCases.forEach(testCase => {
let description = testCase.description.replace('<sourceType>',
imageSourceType.name);
promise_test( t => {
return imageSourceType.factory().then(source => {
return testCase.promiseTestFunction(source, t);
});
}, description);
});
});
promise_test( t => {
return promise_rejects_js(t, TypeError, createImageBitmap(undefined));
}, "createImageBitmap with undefined image source.");
promise_test( t => {
return promise_rejects_js(t, TypeError, createImageBitmap(null));
}, "createImageBitmap with null image source.");
promise_test( t => {
var context = document.createElement("canvas").getContext("2d");
return promise_rejects_js(t, TypeError, createImageBitmap(context));
}, "createImageBitmap with CanvasRenderingContext2D image source.");
promise_test( t => {
var context = document.createElement("canvas").getContext("webgl");
return promise_rejects_js(t, TypeError, createImageBitmap(context));
}, "createImageBitmap with WebGLRenderingContext image source.");
promise_test( t => {
var buffer = new Uint8Array();
return promise_rejects_js(t, TypeError, createImageBitmap(buffer));
}, "createImageBitmap with Uint8Array image source.");
promise_test( t => {
var buffer = new ArrayBuffer(8);
return promise_rejects_js(t, TypeError, createImageBitmap(buffer));
}, "createImageBitmap with ArrayBuffer image source.");
promise_test( t => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(new Image()));
}, "createImageBitmap with empty image source.");
promise_test( t => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(document.createElement('video')));
}, "createImageBitmap with empty video source.");
promise_test( t => {
return makeOversizedCanvas().then(canvas => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(canvas));
});
}, "createImageBitmap with an oversized canvas source.");
promise_test( t => {
return makeOversizedOffscreenCanvas().then(offscreenCanvas => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(offscreenCanvas));
});
}, "createImageBitmap with an invalid OffscreenCanvas source.");
promise_test( t => {
return makeInvalidBlob().then(blob => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(blob));
});
}, "createImageBitmap with an undecodable blob source.");
promise_test( t => {
return makeBrokenImage().then(image => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(image));
});
}, "createImageBitmap with a broken image source.");
promise_test( t => {
return makeAvailableButBrokenImage("/images/undecodable.png").then(image => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(image));
});
}, "createImageBitmap with an available but undecodable image source.");
promise_test( t => {
return makeAvailableButBrokenImage("/images/red-zeroheight.svg").then(image => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(image));
});
}, "createImageBitmap with an available but zero height image source.");
promise_test( t => {
return makeAvailableButBrokenImage("/images/red-zerowidth.svg").then(image => {
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(image));
});
}, "createImageBitmap with an available but zero width image source.");
promise_test( t => {
return makeImageBitmap().then(bitmap => {
bitmap.close()
return promise_rejects_dom(t, "InvalidStateError",
createImageBitmap(bitmap));
});
}, "createImageBitmap with a closed ImageBitmap.");
</script>
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