Function isExpected

test/fuzzing/fuzz_parse.js:113–121

(error)

}

function isExpected(error) {
  if (error instanceof postcss.CssSyntaxError) return true
  if (!error || typeof error.message !== 'string') return false
  // Some legitimate inputs reach known-shaped TypeErrors during stringify or
  // walk because the CSS allows constructs whose textual form is ambiguous.
  // Suppress only those well-defined cases so real bugs still surface.
  let benign = ['Unknown node type', 'Unknown word']
  return benign.some(msg => error.message.indexOf(msg) !== -1)
}