class PHPUnit_Framework_Constraint_IsEmpty in Zircon Profile 8

Constraint that checks whether a variable is empty().

@since Class available since Release 3.5.0

Hierarchy

• class \PHPUnit_Framework_Constraint implements \Countable, PHPUnit_Framework_SelfDescribing
  • class \PHPUnit_Framework_Constraint_IsEmpty

File

vendor/phpunit/phpunit/src/Framework/Constraint/IsEmpty.php, line 16

class PHPUnit_Framework_Constraint_IsEmpty extends PHPUnit_Framework_Constraint {

  /**
   * Evaluates the constraint for parameter $other. Returns true if the
   * constraint is met, false otherwise.
   *
   * @param  mixed $other Value or object to evaluate.
   * @return bool
   */
  protected function matches($other) {
    if ($other instanceof Countable) {
      return count($other) === 0;
    }
    return empty($other);
  }

  /**
   * Returns a string representation of the constraint.
   *
   * @return string
   */
  public function toString() {
    return 'is empty';
  }

  /**
   * Returns the description of the failure
   *
   * The beginning of failure messages is "Failed asserting that" in most
   * cases. This method should return the second part of that sentence.
   *
   * @param  mixed  $other Evaluated value or object.
   * @return string
   */
  protected function failureDescription($other) {
    $type = gettype($other);
    return sprintf('%s %s %s', $type[0] == 'a' || $type[0] == 'o' ? 'an' : 'a', $type, $this
      ->toString());
  }

}

Members

Name	Modifiers	Type	Description	Overrides
PHPUnit_Framework_Constraint::$exporter	protected	property
PHPUnit_Framework_Constraint::additionalFailureDescription	protected	function	Return additional failure description where needed	1
PHPUnit_Framework_Constraint::count	public	function	Counts the number of constraint elements.	6
PHPUnit_Framework_Constraint::evaluate	public	function	Evaluates the constraint for parameter $other	9
PHPUnit_Framework_Constraint::fail	protected	function	Throws an exception for the given compared value and test description
PHPUnit_Framework_Constraint::__construct	public	function		24
PHPUnit_Framework_Constraint_IsEmpty::failureDescription	protected	function	Returns the description of the failure Overrides PHPUnit_Framework_Constraint::failureDescription
PHPUnit_Framework_Constraint_IsEmpty::matches	protected	function	Evaluates the constraint for parameter $other. Returns true if the constraint is met, false otherwise. Overrides PHPUnit_Framework_Constraint::matches
PHPUnit_Framework_Constraint_IsEmpty::toString	public	function	Returns a string representation of the constraint. Overrides PHPUnit_Framework_SelfDescribing::toString