Function testStrictRejectsWhenFull

test/parallel/test-stream-iter-writable-interop.js:135–153

()

// =============================================================================

async function testStrictRejectsWhenFull() {
  const writable = new Writable({
    highWaterMark: 5,
    write(chunk, enc, cb) {
      // Never call cb -- data stays buffered
    },
  });

  const writer = fromWritable(writable);

  // First write fills the buffer (5 bytes = hwm)
  await writer.write('12345');

  // Second write should reject -- buffer is full
  await assert.rejects(
    writer.write('more'),
    { code: 'ERR_INVALID_STATE' },
  );
}

// =============================================================================
// strict: writev rejects when buffer is full