File: detection-HTMLImageElement-zero-dimension-image.https.html

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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
// This test verifies *Detector.detect() returns an empty list when fed with
// an HTMLImageElement with an image with 0x0 dimensions.
const zeroDimensionsTests = [
  {
    createDetector: () => { return new FaceDetector(); },
    name: "Face - detect(0x0)"
  },
  {
    createDetector: () => { return new BarcodeDetector(); },
    name: "Barcode - detect(0x0)"
  },
  {
    createDetector: () => { return new TextDetector(); },
    name: "Text - detect(0x0)"
  }
];

for (let zeroDimensionsTest of zeroDimensionsTests) {
  promise_test(async t => {
    const img = new Image();
    const imgWatcher = new EventWatcher(t, img, ["load", "error"]);
    img.src = "/images/red-zerosize.svg";
    await imgWatcher.wait_for("load");

    const detector = zeroDimensionsTest.createDetector();
    const detectionResult = await detector.detect(img);
    assert_equals(detectionResult.length, 0);
  }, zeroDimensionsTest.name);
}
</script>