API: yuitest YAHOO.util.AssertionError (YUI Library)

# Yahoo! UI Library

### yuitest 2.9.0

Yahoo! UI Library > yuitest > YAHOO.util.AssertionError
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## Class YAHOO.util.AssertionError - extends Error

Known Subclasses:
  YAHOO.util.ShouldFail YAHOO.util.ShouldError YAHOO.util.ComparisonFailure YAHOO.util.UnexpectedError YAHOO.util.UnexpectedValue

AssertionError is thrown whenever an assertion fails. It provides methods to more easily get at error information and also provides a base class from which more specific assertion errors can be derived.

### Constructor

YAHOO.util.AssertionError `( message )`

Parameters:
  `message <String>` The message to display when the error occurs.

### Properties

#### name - `String`

The name of the error that occurred.

### Methods

#### getMessage

`String getMessage ( )`
Returns a fully formatted error for an assertion failure. This should be overridden by all subclasses to provide specific information.

Returns: `String`
  A string describing the error.

#### toString

`String toString ( )`
Returns a string representation of the error.

Returns: `String`
  A string representation of the error.

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