Function assert

jsonc/testdata/test262/assert.js:13–22

(mustBeTrue, message)

function assert(mustBeTrue, message) {
  if (mustBeTrue === true) {
    return;
  }

  if (message === undefined) {
    message = 'Expected true but got ' + assert._toString(mustBeTrue);
  }
  throw new Test262Error(message);
}

assert._isSameValue = function (a, b) {
  if (a === b) {