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// META: global=window,worker,shadowrealm
promise_test(async t => {
const error = new Error('cannot proceed');
const rs = new ReadableStream({
type: 'bytes',
pull: t.step_func((controller) => {
const buffer = controller.byobRequest.view.buffer;
// Detach the buffer.
structuredClone(buffer, { transfer: [buffer] });
// Try to enqueue with a new buffer.
assert_throws_js(TypeError, () => controller.enqueue(new Uint8Array([42])));
// If we got here the test passed.
controller.error(error);
})
});
const reader = rs.getReader({ mode: 'byob' });
await promise_rejects_exactly(t, error, reader.read(new Uint8Array(1)));
}, 'enqueue after detaching byobRequest.view.buffer should throw');
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