Function _ifEnvSupports

packages/zone.js/test/test-util.ts:42–52

(test: any, block: Function, otherwise?: Function, withDone = false)

}

function _ifEnvSupports(test: any, block: Function, otherwise?: Function, withDone = false) {
  if (withDone) {
    return function (done?: Function) {
      _runTest(test, block, otherwise, done);
    };
  } else {
    return function () {
      _runTest(test, block, otherwise, undefined);
    };
  }
}

function _runTest(test: any, block: Function, otherwise?: Function, done?: Function) {
  const message = test.message || test.name || test;