usage-initial-prompt.tentative.https.window.js

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /ai/language-model/prompt/context/usage-initial-prompt.tentative.https.window.html - WPT Dashboard Interop Dashboard

// META: title=Language Model Prompt Context Usage - Initial Prompt

// META: script=/resources/testdriver.js

// META: script=/resources/testdriver-vendor.js

// META: script=../../../resources/util.js

// META: timeout=long

'use strict';

promise_test(async () => {

  const options = {

    initialPrompts:

        [{role: 'system', content: 'The word of the day is banana.'}]

};

  await ensureLanguageModel(options);

  const session = await createLanguageModel(options);

  const usage = await session.measureContextUsage(options.initialPrompts);

  assert_greater_than(usage, 0);

  assert_equals(session.contextUsage, usage);

  assert_regexp_match(

      await session.prompt('What is the word of the day?'), /banana/i);

}, 'Test that initialPrompt counts towards session contextUsage');