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importScripts("/resources/testharness.js");
importScripts("/resources/test-only-api.js");
importScripts("resources/shapedetection-helpers.js");
'use strict';
// These tests verify that a Detector's detect() works on an
// ImageBitmap on workers.
const imageBitmapTests =
[
{
createDetector: () => { return new FaceDetector(); },
mockTestName: "FaceDetectionTest",
resultSize: 3, // Number of faces
detectorType: "Face"
},
{
createDetector: () => { return new BarcodeDetector(); },
mockTestName: "BarcodeDetectionTest",
resultSize: 2, // Number of barcodes
detectorType: "Barcode"
},
{
createDetector: () => { return new TextDetector(); },
mockTestName: "TextDetectionTest",
resultSize: 2, // Number of text blocks
detectorType: "Text"
}
];
for (let imageBitmapTest of imageBitmapTests) {
// ImageBitmap is of transferable type and can be sent to and
// tested on worker.
detection_test(imageBitmapTest.mockTestName, async (t, detectionTest) => {
const img = createTestImage();
const theImageBitmap = await createImageBitmap(img);
const detector = imageBitmapTest.createDetector();
const detectionResult = await detector.detect(theImageBitmap);
assert_equals(detectionResult.length, imageBitmapTest.resultSize,
`Number of ${imageBitmapTest.detectorType}`);
}, `${imageBitmapTest.detectorType} Detector detect(ImageBitmap) on worker`);
}
function createTestImage() {
const image = new OffscreenCanvas(100, 50);
const imgctx = image.getContext('2d');
imgctx.fillStyle = "#F00";
imgctx.fillRect(0, 0, 2, 2);
imgctx.fillStyle = "#0F0";
imgctx.fillRect(0, 0, 1, 1);
return image;
}
done();
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