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<!DOCTYPE html>
<link rel="help" href="https://wicg.github.io/shape-detection-api/#dom-barcodedetector-getsupportedformats">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/shapedetection-helpers.js"></script>
<script>
detection_test('BarcodeDetectionTest', async t => {
const result = await BarcodeDetector.getSupportedFormats();
assert_equals(result.length, 3, 'Number of supported formats');
assert_equals(result[0], 'aztec', 'format 1');
assert_equals(result[1], 'data_matrix', 'format 2');
assert_equals(result[2], 'qr_code', 'format 3');
}, 'get supported barcode formats');
detection_test('BarcodeDetectionTest', async (t, detectionTest) => {
// Disable built-in support for barcode detection to test fallback handling.
detectionTest.MockBarcodeDetectionProvider().simulateNoImplementation();
const result = await BarcodeDetector.getSupportedFormats();
assert_equals(result.length, 0, 'result.length');
}, 'getSupportedFormats() resolves with empty list when unsupported');
</script>
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