node/test/parallel/test-zlib-not-string-or-buffer.js

'use strict';

// Check the error condition testing for passing something other than a string
// or buffer.

const common = require('../common');
const zlib = require('zlib');

[undefined, null, true, false, 0, 1, [1, 2, 3], { foo: 'bar' }].forEach((i) => {
  common.expectsError(
    () => zlib.deflateSync(i),
    {
      code: 'ERR_INVALID_ARG_TYPE',
      type: TypeError,
      message: 'The "buffer" argument must be one of type string, Buffer, ' +
               'TypedArray, or DataView'
    }
  );
});