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<!doctype html>
<meta charset=utf-8>
<title>Storage Buckets API on detached iframe</title>
<link rel='help' href=''>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
'use strict';
promise_test(async testCase => {
const iframe = document.createElement('iframe');
document.body.appendChild(iframe);
const bucketManager = iframe.contentWindow.navigator.storageBuckets;
await bucketManager.open('iframe-bucket');
let bucketKeys = await bucketManager.keys();
assert_equals(bucketKeys.length, 1);
// Note that these tests cannot make use of `prepareForBucketTest` because the
// iframe is detached before the test ends, so the test's cleanup step comes
// too late to delete buckets.
await bucketManager.delete('iframe-bucket');
const IFrameTypeError = iframe.contentWindow.TypeError;
iframe.remove();
// Calling open() from a detached iframe should fail but not crash.
await promise_rejects_js(testCase, IFrameTypeError,
bucketManager.open('iframe-bucket'));
}, 'Verify open() on detached iframe returns an error');
promise_test(async testCase => {
const iframe = document.createElement('iframe');
document.body.appendChild(iframe);
const bucketManager = iframe.contentWindow.navigator.storageBuckets;
await bucketManager.open('iframe-bucket');
let bucketKeys = await bucketManager.keys();
assert_equals(bucketKeys.length, 1);
await bucketManager.delete('iframe-bucket');
const IFrameTypeError = iframe.contentWindow.TypeError;
iframe.remove();
// Calling keys() from a detached iframe should fail but not crash.
await promise_rejects_js(testCase, IFrameTypeError,
bucketManager.keys());
}, 'Verify keys() on detached iframe returns an error');
promise_test(async testCase => {
const iframe = document.createElement('iframe');
document.body.appendChild(iframe);
const bucketManager = iframe.contentWindow.navigator.storageBuckets;
await bucketManager.open('iframe-bucket');
await bucketManager.delete('iframe-bucket');
const IFrameTypeError = iframe.contentWindow.TypeError;
iframe.remove();
// Calling delete() from a detached iframe should fail but not crash.
await promise_rejects_js(testCase, IFrameTypeError,
bucketManager.delete('foo-bucket'));
}, 'Verify delete() on detached iframe returns an error');
</script>
</body>
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