1 files changed, 31 insertions, 0 deletions
diff --git a/tests/wpt/tests/ai/summarizer/summarizer-availability.tentative.https.window.js b/tests/wpt/tests/ai/summarizer/summarizer-availability.tentative.https.window.js
new file mode 100644
index 00000000000..8691765f693
--- /dev/null
+++ b/tests/wpt/tests/ai/summarizer/summarizer-availability.tentative.https.window.js
@@ -0,0 +1,31 @@
+// META: title=Summarizer Availability
+// META: script=../resources/util.js
+// META: timeout=long
+
+'use strict';
+
+promise_test(async () => {
+  assert_true(!!Summarizer);
+  assert_equals(typeof Summarizer.availability, 'function');
+}, 'Summarizer.availability() is defined');
+
+promise_test(async () => {
+  const availability = await Summarizer.availability();
+  assert_in_array(availability, kValidAvailabilities);
+}, 'Summarizer.availability() returns a valid value with no options');
+
+promise_test(async () => {
+  // An array of plausible test option values.
+  const kCreateOptionsSpec = [
+    {type: [undefined, 'tl;dr', 'teaser', 'key-points', 'headline']},
+    {format: [undefined, 'plain-text', 'markdown']},
+    {length: [undefined, 'short', 'medium', 'long']},
+    {expectedInputLanguages: [[], ['en'], ['es'], ['jp', 'fr']]},
+    {expectedContextLanguages: [[], ['en'], ['es'], ['jp', 'fr']]},
+    {outputLanguage: [undefined, 'en', 'es', 'jp', 'fr']}
+  ];
+  for (const options of generateOptionCombinations(kCreateOptionsSpec)) {
+    const availability = await Summarizer.availability(options);
+    assert_in_array(availability, kValidAvailabilities, options);
+  }
+}, 'Summarizer.availability() returns a valid value with plausible options');