ReturnsEmptyValues
Date: 2015-09-18

org.mockito.internal.stubbing.defaultanswers

## Class ReturnsEmptyValues

- java.lang.Object
- - org.mockito.internal.stubbing.defaultanswers.ReturnsEmptyValues

- All Implemented Interfaces:
    java.io.Serializable, Answer<java.lang.Object>

      public class ReturnsEmptyValues
      extends java.lang.Object
      implements Answer<java.lang.Object>, java.io.Serializable

  Default answer of every Mockito mock.
  - Returns appropriate primitive for primitive-returning methods
  - Returns consistent values for primitive wrapper classes (e.g. int-returning method retuns 0 and Integer-returning method returns 0, too)
  - Returns empty collection for collection-returning methods (works for most commonly used collection types)
  - Returns description of mock for toString() method
  - Returns zero if references are equals otherwise non-zero for Comparable#compareTo(T other) method (see issue 184)
  - Returns null for everything else
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `ReturnsEmptyValues()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.Object` | `answer(InvocationOnMock invocation)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### ReturnsEmptyValues

          public ReturnsEmptyValues()

  - ### Method Detail

    - #### answer

          public java.lang.Object answer(InvocationOnMock invocation)

      Specified by:
        `answer` in interface `Answer<java.lang.Object>`
      Parameters:
        `invocation` - the invocation on the mock.
      Returns:
        the value to be returned