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| 1 <!DOCTYPE html> | |
| 2 <script src=../../resources/testharness.js></script> | |
| 3 <script src=../../resources/testharnessreport.js></script> | |
| 4 <script> | |
| 5 | |
| 6 // Returns a Promise that is resolve()d if detect() is rejected. Needs an input | |
| 7 // |element| (e.g. an HTMLImageElement or HTMLVideoElement) and a |url| to load. | |
| 8 function detectOnElementAndExpectError(createDetector, element, url) { | |
| 9 return new Promise(function(resolve, reject) { | |
| 10 var tryDetection = function() { | |
| 11 var detector = createDetector(); | |
| 12 detector.detect(element) | |
| 13 .then(detectionResult => { | |
| 14 reject("Promise should have been rejected."); | |
| 15 }) | |
| 16 .catch(error => { | |
| 17 resolve(error); | |
| 18 }); | |
| 19 }; | |
| 20 element.onload = tryDetection; | |
| 21 element.onerror = tryDetection; | |
| 22 element.src = url; | |
| 23 }); | |
| 24 }; | |
| 25 | |
| 26 // This test verifies that a Detector will reject an undecodable image. | |
| 27 var createTestForBadImage = function(createDetector) { | |
| 28 promise_test(function(t) { | |
| 29 var image = new Image(); | |
| 30 return detectOnElementAndExpectError(createDetector, image, | |
| 31 "../../external/wpt/images/broken.png") | |
| 32 .then(function(error) { | |
| 33 assert_equals(error.name, "InvalidStateError"); | |
| 34 }); | |
| 35 }, "Detector should reject undecodable images with an InvalidStateError."); | |
| 36 }; | |
| 37 | |
| 38 generate_tests(createTestForBadImage, [ | |
| 39 [ "Face", () => { return new FaceDetector(); } ], | |
| 40 [ "Barcode", () => { return new BarcodeDetector(); } ], | |
| 41 [ "Text", () => { return new TextDetector(); } ] | |
| 42 ]); | |
| 43 | |
| 44 // This test verifies that a Detector will reject a broken video. | |
| 45 var createTestForBadVideo = function(createDetector) { | |
| 46 promise_test(function(t) { | |
| 47 var video = document.createElement('video'); | |
| 48 return detectOnElementAndExpectError(createDetector, video, | |
| 49 "content/garbage.webm") | |
| 50 .then(function(error) { | |
| 51 assert_equals(error.name, "InvalidStateError"); | |
| 52 }); | |
| 53 }, "Detector should reject undecodable videos with an InvalidStateError."); | |
| 54 }; | |
| 55 | |
| 56 generate_tests(createTestForBadVideo, [ | |
| 57 [ "Face", () => { return new FaceDetector(); } ], | |
| 58 [ "Barcode", () => { return new BarcodeDetector(); } ], | |
| 59 [ "Text", () => { return new TextDetector(); } ] | |
| 60 ]); | |
| 61 | |
| 62 </script> | |
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