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Bug 2037306 [wpt PR 59678] - Track whether a LanguageModel has initial context for enforcing role sequence, a=testonly

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Automatic update from web-platform-tests
Track whether a LanguageModel has initial context for enforcing role sequence

- Update the logic for `has_context_` to account for non-empty `initialPrompts`
- This flag is propagated during cloning.
- Add new WPT tests

Bug: 507881464
Change-Id: I51355786fe564da4b2eda29b6ca8a70906c3f9a7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7815022
Auto-Submit: Jingyun Liu <jingyun@google.com>
Commit-Queue: Mike Wasserman <msw@chromium.org>
Reviewed-by: Mike Wasserman <msw@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1625972}

--

wpt-commits: 93bfb55926e0a42956dd0ddf3d448a3a67d0ec01
wpt-pr: 59678
This commit is contained in:
Jingyun Liu
2026-05-12 08:46:29 +00:00
committed by wptsync@mozilla.com
parent fff09d37a3
commit 9a09478f65
4 changed files with 21 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
testing/web-platform/tests/ai/language-model/language-model-append.tentative.https.window.js
+9
View File
@@ -66,3 +66,12 @@ promise_test(async (t) => {
await model.append([{ role: 'user', content: [] }]);
await model.append([{role: 'user', content: [{type: 'text', value: ''}]}]);
}, 'LanguageModel.append() allows empty and coerced inputs');
promise_test(async t => {
await ensureLanguageModel();
const session = await createLanguageModel(
{initialPrompts: [{role: 'user', content: 'initial user prompt'}]});
await promise_rejects_js(
t, TypeError,
session.append([{role: 'system', content: 'append system prompt'}]));
}, 'append() after initializing with user prompt should reject system role');
testing/web-platform/tests/ai/language-model/prompt/multimodal/audio-input.tentative.https.window.js
+1 -1
View File
@@ -27,7 +27,7 @@ promise_test(async () => {
assert_greater_than(usage, 0);
assert_equals(session.contextUsage, usage);
assert_regexp_match(
await session.prompt([{role: 'system', content: ''}]), kValidAudioRegex);
await session.prompt([{role: 'user', content: ''}]), kValidAudioRegex);
}, 'Test Audio initialPrompt');
promise_test(async () => {
testing/web-platform/tests/ai/language-model/prompt/prompt.tentative.https.window.js
+2
View File
@@ -12,3 +12,5 @@ promise_test(async () => {
const result = await session.prompt(kTestPrompt);
assert_equals(typeof result, 'string');
}, 'Simple LanguageModel.prompt() call');
testing/web-platform/tests/ai/language-model/prompt/rejections.tentative.https.window.js
+9
View File
@@ -26,3 +26,12 @@ promise_test(async t => {
t, TypeError, session.prompt([{role: 'system', content: 'bar'}]));
await result3;
}, 'prompt() should reject system role messages after other messages');
promise_test(async t => {
await ensureLanguageModel();
const session = await createLanguageModel(
{initialPrompts: [{role: 'user', content: 'initial user prompt'}]});
await promise_rejects_js(
t, TypeError,
session.prompt([{role: 'system', content: 'prompt system prompt'}]));
}, 'prompt() after initializing with user prompt should reject system role');