File: detection-HTMLImageElement-empty-src.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() rejects the promise when fed with
// an HTMLImageElement with an empty 'src'.
const emptyInputTests = [
  {
    createDetector: () => { return new FaceDetector(); },
    name: "Face - detect(empty src)"
  },
  {
    createDetector: () => { return new BarcodeDetector(); },
    name: "Barcode - detect(empty src)"
  },
  {
    createDetector: () => { return new TextDetector(); },
    name: "Text - detect(empty src)"
  }
];

for (let emptyInputTest of emptyInputTests) {
  promise_test(async t => {
    const img = new Image();
    const imgWatcher = new EventWatcher(t, img, ["load", "error"]);
    img.src = "";
    await imgWatcher.wait_for("error");

    const detector = emptyInputTest.createDetector();
    promise_rejects_dom(t, "InvalidStateError", detector.detect(img));
  }, emptyInputTest.name);
}
</script>