Theory (JUnit API 文档)

```
@Retention(RUNTIME)
@Target(METHOD)
public @interface Theory
```
Marks test methods that should be read as theories by the Theories runner.
See Also:
Theories

- Optional Element Summary
  Optional Elements
  Modifier and Type Optional Element Description
  boolean nullsAccepted

- Element Detail
  - nullsAccepted
```
boolean nullsAccepted
```
    Default:
    true