| <!DOCTYPE html> |
| <title>SpeechRecognition onDeviceWebSpeechAvailable</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| promise_test(async (t) => { |
| const lang = "en-US"; |
| window.SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition; |
| const speechRecognition = new SpeechRecognition(); |
| |
| // Ensure the onDeviceWebSpeechAvailable method exists. |
| assert_true( |
| "onDeviceWebSpeechAvailable" in speechRecognition, |
| "SpeechRecognition should have the onDeviceWebSpeechAvailable method." |
| ); |
| |
| // Test that it returns a promise. |
| const resultPromise = speechRecognition.onDeviceWebSpeechAvailable(lang); |
| assert_true( |
| resultPromise instanceof Promise, |
| "onDeviceWebSpeechAvailable should return a Promise." |
| ); |
| |
| // Verify the resolved value is a boolean. |
| const result = await resultPromise; |
| assert_true( |
| typeof result === "boolean", |
| "The resolved value of the onDeviceWebSpeechAvailable promise should be a boolean." |
| ); |
| |
| // Verify that method returns false if on-device speech recognition is not installed. |
| assert_equals( |
| result, |
| false, |
| "onDeviceWebSpeechAvailable should resolve with `false` if on-device speech recognition is not installed." |
| ); |
| }, "SpeechRecognition.onDeviceWebSpeechAvailable resolves with a boolean value."); |
| </script> |
