// META: global=window,worker 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');