| <!DOCTYPE html> |
| <script src=../resources/testharness.js></script> |
| <script src=../resources/testharnessreport.js></script> |
| <script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script> |
| <script src="file:///gen/mojo/public/mojom/base/big_buffer.mojom.js"></script> |
| <script src="file:///gen/services/shape_detection/public/mojom/textdetection.mojom.js"></script> |
| <script src="resources/big-buffer-helpers.js"></script> |
| <script src="resources/mock-textdetection.js"></script> |
| <script> |
| |
| // Returns a Promise that is resolve()d if detect() is rejected. Needs an input |
| // |element| (e.g. an HTMLImageElement or HTMLVideoElement) and a |url| to load. |
| function detectOnElementAndExpectError(createDetector, element, url) { |
| return new Promise(function(resolve, reject) { |
| var tryDetection = async function() { |
| var detector = createDetector(); |
| try { |
| var detectionResult = await detector.detect(element); |
| reject("Promise should have been rejected."); |
| } catch (error) { |
| resolve(error); |
| } |
| }; |
| element.onload = tryDetection; |
| element.onerror = tryDetection; |
| element.src = url; |
| }); |
| }; |
| |
| // This test verifies that a Detector will reject an undecodable image. |
| var createTestForBadImage = function(createDetector) { |
| promise_test(function(t) { |
| var image = new Image(); |
| return detectOnElementAndExpectError(createDetector, image, |
| "../external/wpt/images/broken.png") |
| .then(function(error) { |
| assert_equals(error.name, "InvalidStateError"); |
| }); |
| }); |
| }; |
| |
| // Detectors should reject undecodable images with an InvalidStateError. |
| generate_tests(createTestForBadImage, [ |
| [ "Text - detect(broken image)", () => { return new TextDetector(); } ] |
| ]); |
| |
| // This test verifies that a Detector will reject a broken video. |
| var createTestForBadVideo = function(createDetector) { |
| promise_test(function(t) { |
| var video = document.createElement('video'); |
| return detectOnElementAndExpectError(createDetector, video, |
| "content/garbage.webm") |
| .then(function(error) { |
| assert_equals(error.name, "InvalidStateError"); |
| }); |
| }); |
| }; |
| |
| // Detectors should reject undecodable videos with an InvalidStateError. |
| generate_tests(createTestForBadVideo, [ |
| [ "Text - detect(broken video)", () => { return new TextDetector(); } ] |
| ]); |
| |
| </script> |
