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82 lines
2.6 KiB
HTML
82 lines
2.6 KiB
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/shapedetection-helpers.js"></script>
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<script>
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// Detectors should reject undecodable images with an InvalidStateError.
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const badImageTests =
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[
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{
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createDetector: () => { return new FaceDetector(); },
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name: "Face - detect(broken image)"
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},
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{
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createDetector: () => { return new BarcodeDetector(); },
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name: "Barcode - detect(broken image)"
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},
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{
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createDetector: () => { return new TextDetector(); },
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name: "Text - detect(broken image)"
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}
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];
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for (let badImageTest of badImageTests) {
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// This test verifies that a Detector will reject an undecodable image.
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promise_test(async t => {
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const img = new Image();
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const error =
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await detectOnElementAndExpectError(badImageTest.createDetector,
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img, "/images/broken.png");
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assert_equals(error.name, "InvalidStateError");
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}, badImageTest.name);
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}
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// Detectors should reject undecodable videos with an InvalidStateError.
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const badVideoTests =
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[
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{
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createDetector: () => { return new FaceDetector(); },
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name: "Face - detect(broken video)"
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},
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{
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createDetector: () => { return new BarcodeDetector(); },
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name: "Barcode - detect(broken video)"
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},
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{
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createDetector: () => { return new TextDetector(); },
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name: "Text - detect(broken video)"
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}
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];
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for (let badVideoTest of badVideoTests) {
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// This test verifies that a Detector will reject a broken video.
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promise_test(async t => {
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const video = document.createElement('video');
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const error =
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await detectOnElementAndExpectError(badVideoTest.createDetector,
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video, "garbage.webm");
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assert_equals(error.name, "InvalidStateError");
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}, badVideoTest.name);
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}
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// Returns a Promise that is resolve()d if detect() is rejected. Needs an input
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// |element| (e.g. an HTMLImageElement or HTMLVideoElement) and a |url| to load.
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function detectOnElementAndExpectError(createDetector, element, url) {
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return new Promise((resolve, reject) => {
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const tryDetection = async () => {
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const detector = createDetector();
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try {
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const detectionResult = await detector.detect(element);
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reject("Promise should have been rejected.");
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} catch (error) {
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resolve(error);
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}
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};
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element.onload = tryDetection;
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element.onerror = tryDetection;
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element.src = url;
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});
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};
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</script>
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