Function inject

packages/core/testing/src/test_bed.ts:947–953

(tokens: any[], fn: Function)

 * @publicApi
 */
export function inject(tokens: any[], fn: Function): () => any {
  const testBed = TestBedImpl.INSTANCE;
  // Not using an arrow function to preserve context passed from call site
  return function (this: unknown) {
    return testBed.execute(tokens, fn, this);
  };
}

/**
 * @publicApi