public function Framework_ConstraintTest::testConstraintIsNull

@covers PHPUnit_Framework_Constraint_IsNull @covers PHPUnit_Framework_Assert::isNull @covers PHPUnit_Framework_Constraint::count @covers PHPUnit_Framework_TestFailure::exceptionToString

File

drupal/core/vendor/phpunit/phpunit/Tests/Framework/ConstraintTest.php, line 1510

Class

Framework_ConstraintTest

@package PHPUnit @author Sebastian Bergmann <sebastian@phpunit.de> @author Bernhard Schussek <bschussek@2bepublished.at> @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de> @license …

Code

public function testConstraintIsNull() {
  $constraint = PHPUnit_Framework_Assert::isNull();
  $this
    ->assertFalse($constraint
    ->evaluate(0, '', TRUE));
  $this
    ->assertTrue($constraint
    ->evaluate(NULL, '', TRUE));
  $this
    ->assertEquals('is null', $constraint
    ->toString());
  $this
    ->assertEquals(1, count($constraint));
  try {
    $constraint
      ->evaluate(0);
  } catch (PHPUnit_Framework_ExpectationFailedException $e) {
    $this
      ->assertEquals(<<<EOF
Failed asserting that 0 is null.

EOF
, PHPUnit_Framework_TestFailure::exceptionToString($e));
    return;
  }
  $this
    ->fail();
}