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'use strict';
// These tests rely on the User Agent providing an implementation of
// platform shape detection backends.
//
// In Chromium-based browsers this implementation is provided by a polyfill
// in order to reduce the amount of test-only code shipped to users. To enable
// these tests the browser must be run with these options:
//
// --enable-blink-features=MojoJS,MojoJSTest
async function loadChromiumResources() {
await import('/resources/chromium/mock-barcodedetection.js');
await import('/resources/chromium/mock-facedetection.js');
await import('/resources/chromium/mock-textdetection.js');
}
/**
* @param {String} detectionTestName
* name of mock shape detection test interface,
* must be the item of ["FaceDetectionTest", "BarcodeDetectionTest",
* "TextDetectionTest"]
*/
async function initialize_detection_tests(detectionTestName) {
let detectionTest;
if (typeof document === 'undefined') {
// Use 'self' for workers.
if (typeof self[detectionTestName] === 'undefined') {
// test-only-api.js is already loaded in worker.js
if (isChromiumBased) {
await loadChromiumResources();
}
}
detectionTest = new self[detectionTestName]();
} else {
if (typeof window[detectionTestName] === 'undefined') {
const script = document.createElement('script');
script.src = '/resources/test-only-api.js';
script.async = false;
const p = new Promise((resolve, reject) => {
script.onload = () => { resolve(); };
script.onerror = e => { reject(e); };
})
document.head.appendChild(script);
await p;
if (isChromiumBased) {
await loadChromiumResources();
}
}
detectionTest = new window[detectionTestName]();
}
await detectionTest.initialize();
return detectionTest;
}
function detection_test(detectionTestName, func, name, properties) {
promise_test(async t => {
let detectionTest = await initialize_detection_tests(detectionTestName);
try {
await func(t, detectionTest);
} finally {
await detectionTest.reset();
};
}, name, properties);
}
function getArrayBufferFromBigBuffer(bigBuffer) {
if (bigBuffer.bytes !== undefined) {
return new Uint8Array(bigBuffer.bytes).buffer;
}
return bigBuffer.sharedMemory.bufferHandle.mapBuffer(0,
bigBuffer.sharedMemory.size).buffer;
}
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