Function cnt

test/parallel/test-stream-writev.js:51–58

(msg)

  let counter = 0;
  let expectCount = 0;
  function cnt(msg) {
    expectCount++;
    const expect = expectCount;
    return common.mustSucceed(() => {
      counter++;
      assert.strictEqual(counter, expect);
    });
  }

  const w = new stream.Writable({ decodeStrings: decode });
  w._write = common.mustNotCall('Should not call _write');