// META: title=Summarizer Speed Preference Summarize Streaming Concurrent
// META: script=/resources/testdriver.js
// META: script=/resources/testdriver-vendor.js
// META: script=../../resources/util.js
// META: timeout=long

'use strict';

const kSpeedOptions = {preference: 'speed', outputLanguage: 'en'};

promise_test(async () => {
  const summarizer = await createSummarizer(kSpeedOptions);
  const [result1, result2] = await Promise.all([
    readStream(summarizer.summarizeStreaming(kTestPrompt)),
    readStream(summarizer.summarizeStreaming(kTestPrompt)),
  ]);
  assert_greater_than(result1.length, 0);
  assert_greater_than(result2.length, 0);
}, 'Multiple Summarizer.summarizeStreaming() calls with speed preference and identical inputs are resolved successfully');

promise_test(async () => {
  const summarizer = await createSummarizer(kSpeedOptions);
  const [result1, result2] = await Promise.all([
    readStream(summarizer.summarizeStreaming(kTestPrompt)),
    readStream(summarizer.summarizeStreaming(kTestPrompt2)),
  ]);
  assert_greater_than(result1.length, 0);
  assert_greater_than(result2.length, 0);
}, 'Multiple Summarizer.summarizeStreaming() calls with speed preference and divergent inputs are resolved successfully');