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async

把一个测试函数包装进一个异步测试区域（Zone）。当该区域中的所有异步调用都已完成时，该测试将会自动完成。 可用于包装 inject调用。

Wraps a test function in an asynchronous test zone. The test will automatically complete when all asynchronous calls within this zone are done. Can be used to wrap an injectcall.

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async(fn: Function): (done: any) => any
      
      async(fn: Function): (done: any) => any
参数
fn Function
返回值

(done: any) => any

说明

例子：

Example:

it('...', async(inject([AClass], (object) => { object.doSomething.then(() => { expect(...); }) });
      
      it('...', async(inject([AClass], (object) => {
  object.doSomething.then(() => {
    expect(...);
  })
});