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<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/services/shape_detection/public/interfaces/barcodedetection.mojom.js"></script>
<script src="file:///gen/services/shape_detection/public/interfaces/facedetection.mojom.js"></script>
<script src="file:///gen/services/shape_detection/public/interfaces/facedetection_provider.mojom.js"></script>
<script src="file:///gen/services/shape_detection/public/interfaces/textdetection.mojom.js"></script>
<script src="resources/mock-barcodedetection.js"></script>
<script src="resources/mock-facedetection.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, [
  [ "Face - detect(broken image)", () => { return new FaceDetector(); } ],
  [ "Barcode - detect(broken image)", () => { return new BarcodeDetector(); } ],
  [ "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, [
  [ "Face - detect(broken video)", () => { return new FaceDetector(); } ],
  [ "Barcode - detect(broken video)", () => { return new BarcodeDetector(); } ],
  [ "Text - detect(broken video)", () => { return new TextDetector(); } ]
]);

</script>