svoid test_CodeSafetyChecker() {
  new CodeSafetyChecker checker;
  checker.markSafe("iAmSafe");
  testFunctionValues(code -> checker.checkCode(code/S),
    "grkigrgo()", "?",
    [[reversed("abc")]], "safe",
    "iAmSafe()", "safe",
    "jTextField()", "awt",
    [["\*jTextField()*/"]], "awt", // test in-string-evals
  );
  
  testFunctionValues(code -> checker.verbalCheckResult(code/S),
    "grkigrgo()", "?. Unknown identifiers: grkigrgo",
  );
}