ComparisonFailure (JUnit API 文档)

java.lang.Object
- java.lang.Throwable
- - java.lang.Error
  - - java.lang.AssertionError
    - - org.junit.ComparisonFailure

All Implemented Interfaces:
Serializable
```
public class ComparisonFailure
extends AssertionError
```
Thrown when an assertEquals(String, String) fails. Create and throw a ComparisonFailure manually if you want to show users the difference between two complex strings.
Inspired by a patch from Alex Chaffee ([email protected])
Since:
4.0
See Also:
Serialized Form

Constructor Summary
Constructors
Constructor Description
ComparisonFailure(String message, String expected, String actual)
Constructs a comparison failure.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getActual()`	Returns the actual string value
`String`	`getExpected()`	Returns the expected string value
`String`	`getMessage()`	Returns "..." in place of common prefix and "..." in place of common suffix between expected and actual.

Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ComparisonFailure
```
public ComparisonFailure(String message,
                         String expected,
                         String actual)
```
    Constructs a comparison failure.
    Parameters:
    message - the identifying message or null
    expected - the expected string value
    actual - the actual string value
- Method Detail
  - getMessage
```
public String getMessage()
```
    Returns "..." in place of common prefix and "..." in place of common suffix between expected and actual.
    Overrides:
    getMessage in class Throwable
    See Also:
    Throwable.getMessage()
  - getActual
```
public String getActual()
```
    Returns the actual string value
    Returns:
    the actual string value
  - getExpected
```
public String getExpected()
```
    Returns the expected string value
    Returns:
    the expected string value