/PHPUnit/Framework/Assert.php

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<?php
/**
 * PHPUnit
 *
 * Copyright (c) 2002-2010, Sebastian Bergmann <sb@sebastian-bergmann.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package    PHPUnit
 * @subpackage Framework
 * @author     Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright  2002-2010 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @link       http://www.phpunit.de/
 * @since      File available since Release 2.0.0
 */

/**
 * A set of assert methods.
 *
 * @package    PHPUnit
 * @subpackage Framework
 * @author     Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright  2002-2010 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version    Release: @package_version@
 * @link       http://www.phpunit.de/
 * @since      Class available since Release 2.0.0
 */
abstract class PHPUnit_Framework_Assert
{
    /**
     * @var integer
     */
    private static $count = 0;

    /**
     * Asserts that an array has a specified key.
     *
     * @param  mixed  $key
     * @param  array  $array
     * @param  string $message
     * @since  Method available since Release 3.0.0
     */
    public static function assertArrayHasKey($key, array $array, $message = '')
    {
        if (!(is_integer($key) || is_string($key))) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
              1, 'integer or string'
            );
        }

        $constraint = new PHPUnit_Framework_Constraint_ArrayHasKey($key);

        self::assertThat($array, $constraint, $message);
    }

    /**
     * Asserts that an array does not have a specified key.
     *
     * @param  mixed  $key
     * @param  array  $array
     * @param  string $message
     * @since  Method available since Release 3.0.0
     */
    public static function assertArrayNotHasKey($key, array $array, $message = '')
    {
        if (!(is_integer($key) || is_string($key))) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
              1, 'integer or string'
            );
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_ArrayHasKey($key)
        );

        self::assertThat($array, $constraint, $message);
    }

    /**
     * Asserts that a haystack contains a needle.
     *
     * @param  mixed   $needle
     * @param  mixed   $haystack
     * @param  string  $message
     * @param  boolean $ignoreCase
     * @since  Method available since Release 2.1.0
     */
    public static function assertContains($needle, $haystack, $message = '', $ignoreCase = FALSE)
    {
        if (is_array($haystack) ||
            is_object($haystack) && $haystack instanceof Traversable) {
            $constraint = new PHPUnit_Framework_Constraint_TraversableContains(
              $needle
            );
        }

        else if (is_string($haystack)) {
            $constraint = new PHPUnit_Framework_Constraint_StringContains(
              $needle, $ignoreCase
            );
        }

        else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
              2, 'array, iterator or string'
            );
        }

        self::assertThat($haystack, $constraint, $message);
    }

    /**
     * Asserts that a haystack that is stored in a static attribute of a class
     * or an attribute of an object contains a needle.
     *
     * @param  mixed   $needle
     * @param  string  $haystackAttributeName
     * @param  mixed   $haystackClassOrObject
     * @param  string  $message
     * @param  boolean $ignoreCase
     * @since  Method available since Release 3.0.0
     */
    public static function assertAttributeContains($needle, $haystackAttributeName, $haystackClassOrObject, $message = '', $ignoreCase = FALSE)
    {
        self::assertContains(
          $needle,
          self::readAttribute($haystackClassOrObject, $haystackAttributeName),
          $message,
          $ignoreCase
        );
    }

    /**
     * Asserts that a haystack does not contain a needle.
     *
     * @param  mixed   $needle
     * @param  mixed   $haystack
     * @param  string  $message
     * @param  boolean $ignoreCase
     * @since  Method available since Release 2.1.0
     */
    public static function assertNotContains($needle, $haystack, $message = '', $ignoreCase = FALSE)
    {
        if (is_array($haystack) ||
            is_object($haystack) && $haystack instanceof Traversable) {
            $constraint = new PHPUnit_Framework_Constraint_Not(
              new PHPUnit_Framework_Constraint_TraversableContains($needle)
            );
        }

        else if (is_string($haystack)) {
            $constraint = new PHPUnit_Framework_Constraint_Not(
              new PHPUnit_Framework_Constraint_StringContains(
                $needle, $ignoreCase
              )
            );
        }

        else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
              2, 'array, iterator or string'
            );
        }

        self::assertThat($haystack, $constraint, $message);
    }

    /**
     * Asserts that a haystack that is stored in a static attribute of a class
     * or an attribute of an object does not contain a needle.
     *
     * @param  mixed   $needle
     * @param  string  $haystackAttributeName
     * @param  mixed   $haystackClassOrObject
     * @param  string  $message
     * @param  boolean $ignoreCase
     * @since  Method available since Release 3.0.0
     */
    public static function assertAttributeNotContains($needle, $haystackAttributeName, $haystackClassOrObject, $message = '', $ignoreCase = FALSE)
    {
        self::assertNotContains(
          $needle,
          self::readAttribute($haystackClassOrObject, $haystackAttributeName),
          $message,
          $ignoreCase
        );
    }

    /**
     * Asserts that a haystack contains only values of a given type.
     *
     * @param  string  $type
     * @param  mixed   $haystack
     * @param  boolean $isNativeType
     * @param  string  $message
     * @since  Method available since Release 3.1.4
     */
    public static function assertContainsOnly($type, $haystack, $isNativeType = NULL, $message = '')
    {
        if (!(is_array($haystack) ||
            is_object($haystack) && $haystack instanceof Traversable)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
              2, 'array or iterator'
            );
        }

        if ($isNativeType == NULL) {
            $isNativeType = PHPUnit_Util_Type::isType($type);
        }

        self::assertThat(
          $haystack,
          new PHPUnit_Framework_Constraint_TraversableContainsOnly(
            $type, $isNativeType
          ),
          $message
        );
    }

    /**
     * Asserts that a haystack that is stored in a static attribute of a class
     * or an attribute of an object contains only values of a given type.
     *
     * @param  string  $type
     * @param  string  $haystackAttributeName
     * @param  mixed   $haystackClassOrObject
     * @param  boolean $isNativeType
     * @param  string  $message
     * @since  Method available since Release 3.1.4
     */
    public static function assertAttributeContainsOnly($type, $haystackAttributeName, $haystackClassOrObject, $isNativeType = NULL, $message = '')
    {
        self::assertContainsOnly(
          $type,
          self::readAttribute($haystackClassOrObject, $haystackAttributeName),
          $isNativeType,
          $message
        );
    }

    /**
     * Asserts that a haystack does not contain only values of a given type.
     *
     * @param  string  $type
     * @param  mixed   $haystack
     * @param  boolean $isNativeType
     * @param  string  $message
     * @since  Method available since Release 3.1.4
     */
    public static function assertNotContainsOnly($type, $haystack, $isNativeType = NULL, $message = '')
    {
        if (!(is_array($haystack) ||
            is_object($haystack) && $haystack instanceof Traversable)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
              2, 'array or iterator'
            );
        }

        if ($isNativeType == NULL) {
            $isNativeType = PHPUnit_Util_Type::isType($type);
        }

        self::assertThat(
          $haystack,
          new PHPUnit_Framework_Constraint_Not(
            new PHPUnit_Framework_Constraint_TraversableContainsOnly(
              $type, $isNativeType
            )
          ),
          $message
        );
    }

    /**
     * Asserts that a haystack that is stored in a static attribute of a class
     * or an attribute of an object does not contain only values of a given
     * type.
     *
     * @param  string  $type
     * @param  string  $haystackAttributeName
     * @param  mixed   $haystackClassOrObject
     * @param  boolean $isNativeType
     * @param  string  $message
     * @since  Method available since Release 3.1.4
     */
    public static function assertAttributeNotContainsOnly($type, $haystackAttributeName, $haystackClassOrObject, $isNativeType = NULL, $message = '')
    {
        self::assertNotContainsOnly(
          $type,
          self::readAttribute($haystackClassOrObject, $haystackAttributeName),
          $isNativeType,
          $message
        );
    }

    /**
     * Asserts that two variables are equal.
     *
     * @param  mixed   $expected
     * @param  mixed   $actual
     * @param  string  $message
     * @param  float   $delta
     * @param  integer $maxDepth
     * @param  boolean $canonicalize
     * @param  boolean $ignoreCase
     */
    public static function assertEquals($expected, $actual, $message = '', $delta = 0, $maxDepth = 10, $canonicalize = FALSE, $ignoreCase = FALSE)
    {
        $constraint = new PHPUnit_Framework_Constraint_IsEqual(
          $expected, $delta, $maxDepth, $canonicalize, $ignoreCase
        );

        self::assertThat($actual, $constraint, $message);
    }

    /**
     * Asserts that a variable is equal to an attribute of an object.
     *
     * @param  mixed   $expected
     * @param  string  $actualAttributeName
     * @param  string  $actualClassOrObject
     * @param  string  $message
     * @param  float   $delta
     * @param  integer $maxDepth
     * @param  boolean $canonicalize
     * @param  boolean $ignoreCase
     */
    public static function assertAttributeEquals($expected, $actualAttributeName, $actualClassOrObject, $message = '', $delta = 0, $maxDepth = 10, $canonicalize = FALSE, $ignoreCase = FALSE)
    {
        self::assertEquals(
          $expected,
          self::readAttribute($actualClassOrObject, $actualAttributeName),
          $message,
          $delta,
          $maxDepth,
          $canonicalize,
          $ignoreCase
        );
    }

    /**
     * Asserts that two variables are not equal.
     *
     * @param  mixed   $expected
     * @param  mixed   $actual
     * @param  string  $message
     * @param  float   $delta
     * @param  integer $maxDepth
     * @param  boolean $canonicalize
     * @param  boolean $ignoreCase
     * @since  Method available since Release 2.3.0
     */
    public static function assertNotEquals($expected, $actual, $message = '', $delta = 0, $maxDepth = 10, $canonicalize = FALSE, $ignoreCase = FALSE)
    {
        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_IsEqual(
            $expected, $delta, $maxDepth, $canonicalize, $ignoreCase
          )
        );

        self::assertThat($actual, $constraint, $message);
    }

    /**
     * Asserts that a variable is not equal to an attribute of an object.
     *
     * @param  mixed   $expected
     * @param  string  $actualAttributeName
     * @param  string  $actualClassOrObject
     * @param  string  $message
     * @param  float   $delta
     * @param  integer $maxDepth
     * @param  boolean $canonicalize
     * @param  boolean $ignoreCase
     */
    public static function assertAttributeNotEquals($expected, $actualAttributeName, $actualClassOrObject, $message = '', $delta = 0, $maxDepth = 10, $canonicalize = FALSE, $ignoreCase = FALSE)
    {
        self::assertNotEquals(
          $expected,
          self::readAttribute($actualClassOrObject, $actualAttributeName),
          $message,
          $delta,
          $maxDepth,
          $canonicalize,
          $ignoreCase
        );
    }

    /**
     * Asserts that a variable is empty.
     *
     * @param  mixed   $actual
     * @param  string  $message
     * @throws PHPUnit_Framework_AssertionFailedError
     */
    public static function assertEmpty($actual, $message = '')
    {
        self::assertThat($actual, self::isEmpty(), $message);
    }

    /**
     * Asserts that a static attribute of a class or an attribute of an object
     * is empty.
     *
     * @param string $haystackAttributeName
     * @param mixed  $haystackClassOrObject
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertAttributeEmpty($haystackAttributeName, $haystackClassOrObject, $message = '')
    {
        self::assertEmpty(
          self::readAttribute($haystackClassOrObject, $haystackAttributeName),
          $message
        );
    }

    /**
     * Asserts that a variable is not empty.
     *
     * @param  mixed   $actual
     * @param  string  $message
     * @throws PHPUnit_Framework_AssertionFailedError
     */
    public static function assertNotEmpty($actual, $message = '')
    {
        self::assertThat($actual, self::logicalNot(self::isEmpty()), $message);
    }

    /**
     * Asserts that a static attribute of a class or an attribute of an object
     * is not empty.
     *
     * @param string $haystackAttributeName
     * @param mixed  $haystackClassOrObject
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertAttributeNotEmpty($haystackAttributeName, $haystackClassOrObject, $message = '')
    {
        self::assertNotEmpty(
          self::readAttribute($haystackClassOrObject, $haystackAttributeName),
          $message
        );
    }

    /**
     * Asserts that a value is greater than another value.
     *
     * @param  mixed   $expected
     * @param  mixed   $actual
     * @param  string  $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertGreaterThan($expected, $actual, $message = '')
    {
        self::assertThat($actual, self::greaterThan($expected), $message);
    }

    /**
     * Asserts that an attribute is greater than another value.
     *
     * @param  mixed   $expected
     * @param  string  $actualAttributeName
     * @param  string  $actualClassOrObject
     * @param  string  $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertAttributeGreaterThan($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        self::assertGreaterThan(
          $expected,
          self::readAttribute($actualClassOrObject, $actualAttributeName),
          $message
        );
    }

    /**
     * Asserts that a value is greater than or equal to another value.
     *
     * @param  mixed   $expected
     * @param  mixed   $actual
     * @param  string  $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertGreaterThanOrEqual($expected, $actual, $message = '')
    {
        self::assertThat(
          $actual, self::greaterThanOrEqual($expected), $message
        );
    }

    /**
     * Asserts that an attribute is greater than or equal to another value.
     *
     * @param  mixed   $expected
     * @param  string  $actualAttributeName
     * @param  string  $actualClassOrObject
     * @param  string  $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertAttributeGreaterThanOrEqual($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        self::assertGreaterThanOrEqual(
          $expected,
          self::readAttribute($actualClassOrObject, $actualAttributeName),
          $message
        );
    }

    /**
     * Asserts that a value is smaller than another value.
     *
     * @param  mixed   $expected
     * @param  mixed   $actual
     * @param  string  $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertLessThan($expected, $actual, $message = '')
    {
        self::assertThat($actual, self::lessThan($expected), $message);
    }

    /**
     * Asserts that an attribute is smaller than another value.
     *
     * @param  mixed   $expected
     * @param  string  $actualAttributeName
     * @param  string  $actualClassOrObject
     * @param  string  $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertAttributeLessThan($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        self::assertLessThan(
          $expected,
          self::readAttribute($actualClassOrObject, $actualAttributeName),
          $message
        );
    }

    /**
     * Asserts that a value is smaller than or equal to another value.
     *
     * @param  mixed   $expected
     * @param  mixed   $actual
     * @param  string  $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertLessThanOrEqual($expected, $actual, $message = '')
    {
        self::assertThat($actual, self::lessThanOrEqual($expected), $message);
    }

    /**
     * Asserts that an attribute is smaller than or equal to another value.
     *
     * @param  mixed   $expected
     * @param  string  $actualAttributeName
     * @param  string  $actualClassOrObject
     * @param  string  $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertAttributeLessThanOrEqual($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        self::assertLessThanOrEqual(
          $expected,
          self::readAttribute($actualClassOrObject, $actualAttributeName),
          $message
        );
    }

    /**
     * Asserts that the contents of one file is equal to the contents of another
     * file.
     *
     * @param  string  $expected
     * @param  string  $actual
     * @param  string  $message
     * @param  boolean $canonicalize
     * @param  boolean $ignoreCase
     * @since  Method available since Release 3.2.14
     */
    public static function assertFileEquals($expected, $actual, $message = '', $canonicalize = FALSE, $ignoreCase = FALSE)
    {
        self::assertFileExists($expected, $message);
        self::assertFileExists($actual, $message);

        self::assertEquals(
          file_get_contents($expected),
          file_get_contents($actual),
          $message,
          0,
          10,
          $canonicalize,
          $ignoreCase
        );
    }

    /**
     * Asserts that the contents of one file is not equal to the contents of
     * another file.
     *
     * @param  string  $expected
     * @param  string  $actual
     * @param  string  $message
     * @param  boolean $canonicalize
     * @param  boolean $ignoreCase
     * @since  Method available since Release 3.2.14
     */
    public static function assertFileNotEquals($expected, $actual, $message = '', $canonicalize = FALSE, $ignoreCase = FALSE)
    {
        self::assertFileExists($expected, $message);
        self::assertFileExists($actual, $message);

        self::assertNotEquals(
          file_get_contents($expected),
          file_get_contents($actual),
          $message,
          0,
          10,
          $canonicalize,
          $ignoreCase
        );
    }

    /**
     * Asserts that the contents of a string is equal
     * to the contents of a file.
     *
     * @param  string  $expectedFile
     * @param  string  $actualString
     * @param  string  $message
     * @param  boolean $canonicalize
     * @param  boolean $ignoreCase
     * @since  Method available since Release 3.3.0
     */
    public static function assertStringEqualsFile($expectedFile, $actualString, $message = '', $canonicalize = FALSE, $ignoreCase = FALSE)
    {
        self::assertFileExists($expectedFile, $message);

        self::assertEquals(
          file_get_contents($expectedFile),
          $actualString,
          $message,
          0,
          10,
          $canonicalize,
          $ignoreCase
        );
    }

    /**
     * Asserts that the contents of a string is not equal
     * to the contents of a file.
     *
     * @param  string  $expectedFile
     * @param  string  $actualString
     * @param  string  $message
     * @param  boolean $canonicalize
     * @param  boolean $ignoreCase
     * @since  Method available since Release 3.3.0
     */
    public static function assertStringNotEqualsFile($expectedFile, $actualString, $message = '', $canonicalize = FALSE, $ignoreCase = FALSE)
    {
        self::assertFileExists($expectedFile, $message);

        self::assertNotEquals(
          file_get_contents($expectedFile),
          $actualString,
          $message,
          0,
          10,
          $canonicalize,
          $ignoreCase
        );
    }

    /**
     * Asserts that a file exists.
     *
     * @param  string $filename
     * @param  string $message
     * @since  Method available since Release 3.0.0
     */
    public static function assertFileExists($filename, $message = '')
    {
        if (!is_string($filename)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_FileExists;

        self::assertThat($filename, $constraint, $message);
    }

    /**
     * Asserts that a file does not exist.
     *
     * @param  string $filename
     * @param  string $message
     * @since  Method available since Release 3.0.0
     */
    public static function assertFileNotExists($filename, $message = '')
    {
        if (!is_string($filename)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_FileExists
        );

        self::assertThat($filename, $constraint, $message);
    }

    /**
     * Asserts that a condition is true.
     *
     * @param  boolean $condition
     * @param  string  $message
     * @throws PHPUnit_Framework_AssertionFailedError
     */
    public static function assertTrue($condition, $message = '')
    {
        self::assertThat($condition, self::isTrue(), $message);
    }

    /**
     * Asserts that a condition is false.
     *
     * @param  boolean  $condition
     * @param  string   $message
     * @throws PHPUnit_Framework_AssertionFailedError
     */
    public static function assertFalse($condition, $message = '')
    {
        self::assertThat($condition, self::isFalse(), $message);
    }

    /**
     * Asserts that a variable is not NULL.
     *
     * @param  mixed  $actual
     * @param  string $message
     */
    public static function assertNotNull($actual, $message = '')
    {
        self::assertThat($actual, self::logicalNot(self::isNull()), $message);
    }

    /**
     * Asserts that a variable is NULL.
     *
     * @param  mixed  $actual
     * @param  string $message
     */
    public static function assertNull($actual, $message = '')
    {
        self::assertThat($actual, self::isNull(), $message);
    }

    /**
     * Asserts that a class has a specified attribute.
     *
     * @param  string $attributeName
     * @param  string $className
     * @param  string $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertClassHasAttribute($attributeName, $className, $message = '')
    {
        if (!is_string($attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($className) || !class_exists($className, FALSE)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'class name');
        }

        $constraint = new PHPUnit_Framework_Constraint_ClassHasAttribute(
          $attributeName
        );

        self::assertThat($className, $constraint, $message);
    }

    /**
     * Asserts that a class does not have a specified attribute.
     *
     * @param  string $attributeName
     * @param  string $className
     * @param  string $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertClassNotHasAttribute($attributeName, $className, $message = '')
    {
        if (!is_string($attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($className) || !class_exists($className, FALSE)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'class name');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_ClassHasAttribute($attributeName)
        );

        self::assertThat($className, $constraint, $message);
    }

    /**
     * Asserts that a class has a specified static attribute.
     *
     * @param  string $attributeName
     * @param  string $className
     * @param  string $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertClassHasStaticAttribute($attributeName, $className, $message = '')
    {
        if (!is_string($attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($className) || !class_exists($className, FALSE)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'class name');
        }

        $constraint = new PHPUnit_Framework_Constraint_ClassHasStaticAttribute(
          $attributeName
        );

        self::assertThat($className, $constraint, $message);
    }

    /**
     * Asserts that a class does not have a specified static attribute.
     *
     * @param  string $attributeName
     * @param  string $className
     * @param  string $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertClassNotHasStaticAttribute($attributeName, $className, $message = '')
    {
        if (!is_string($attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($className) || !class_exists($className, FALSE)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'class name');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_ClassHasStaticAttribute(
            $attributeName
          )
        );

        self::assertThat($className, $constraint, $message);
    }

    /**
     * Asserts that an object has a specified attribute.
     *
     * @param  string $attributeName
     * @param  object $object
     * @param  string $message
     * @since  Method available since Release 3.0.0
     */
    public static function assertObjectHasAttribute($attributeName, $object, $message = '')
    {
        if (!is_string($attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_object($object)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'object');
        }

        $constraint = new PHPUnit_Framework_Constraint_ObjectHasAttribute(
          $attributeName
        );

        self::assertThat($object, $constraint, $message);
    }

    /**
     * Asserts that an object does not have a specified attribute.
     *
     * @param  string $attributeName
     * @param  object $object
     * @param  string $message
     * @since  Method available since Release 3.0.0
     */
    public static function assertObjectNotHasAttribute($attributeName, $object, $message = '')
    {
        if (!is_string($attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_object($object)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'object');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_ObjectHasAttribute($attributeName)
        );

        self::assertThat($object, $constraint, $message);
    }

    /**
     * Asserts that two variables have the same type and value.
     * Used on objects, it asserts that two variables reference
     * the same object.
     *
     * @param  mixed  $expected
     * @param  mixed  $actual
     * @param  string $message
     */
    public static function assertSame($expected, $actual, $message = '')
    {
        if (is_bool($expected) && is_bool($actual)) {
            self::assertEquals($expected, $actual, $message);
        } else {
            $constraint = new PHPUnit_Framework_Constraint_IsIdentical(
              $expected
            );

            self::assertThat($actual, $constraint, $message);
        }
    }

    /**
     * Asserts that a variable and an attribute of an object have the same type
     * and value.
     *
     * @param  mixed  $expected
     * @param  string $actualAttributeName
     * @param  object $actualClassOrObject
     * @param  string $message
     */
    public static function assertAttributeSame($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        self::assertSame(
          $expected,
          self::readAttribute($actualClassOrObject, $actualAttributeName),
          $message
        );
    }

    /**
     * Asserts that two variables do not have the same type and value.
     * Used on objects, it asserts that two variables do not reference
     * the same object.
     *
     * @param  mixed  $expected
     * @param  mixed  $actual
     * @param  string $message
     */
    public static function assertNotSame($expected, $actual, $message = '')
    {
        if (is_bool($expected) && is_bool($actual)) {
            self::assertNotEquals($expected, $actual, $message);
        } else {
            $constraint = new PHPUnit_Framework_Constraint_Not(
              new PHPUnit_Framework_Constraint_IsIdentical($expected)
            );

            self::assertThat($actual, $constraint, $message);
        }
    }

    /**
     * Asserts that a variable and an attribute of an object do not have the
     * same type and value.
     *
     * @param  mixed  $expected
     * @param  string $actualAttributeName
     * @param  object $actualClassOrObject
     * @param  string $message
     */
    public static function assertAttributeNotSame($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        self::assertNotSame(
          $expected,
          self::readAttribute($actualClassOrObject, $actualAttributeName),
          $message
        );
    }

    /**
     * Asserts that a variable is of a given type.
     *
     * @param string $expected
     * @param mixed  $actual
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertInstanceOf($expected, $actual, $message = '')
    {
        if (is_string($expected)) {
            if (class_exists($expected) || interface_exists($expected)) {
                $constraint = new PHPUnit_Framework_Constraint_IsInstanceOf(
                  $expected
                );
            }

            else {
                throw PHPUnit_Util_InvalidArgumentHelper::factory(
                  1, 'class or interface name'
                );
            }
        } else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        self::assertThat($actual, $constraint, $message);
    }

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param string $expected
     * @param string $attributeName
     * @param mixed  $classOrObject
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertAttributeInstanceOf($expected, $attributeName, $classOrObject, $message = '')
    {
        self::assertInstanceOf(
          $expected,
          self::readAttribute($classOrObject, $attributeName),
          $message
        );
    }

    /**
     * Asserts that a variable is not of a given type.
     *
     * @param string $expected
     * @param mixed  $actual
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertNotInstanceOf($expected, $actual, $message = '')
    {
        if (is_string($expected)) {
            if (class_exists($expected) || interface_exists($expected)) {
                $constraint = new PHPUnit_Framework_Constraint_Not(
                  new PHPUnit_Framework_Constraint_IsInstanceOf($expected)
                );
            }

            else {
                throw PHPUnit_Util_InvalidArgumentHelper::factory(
                  1, 'class or interface name'
                );
            }
        } else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        self::assertThat($actual, $constraint, $message);
    }

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param string $expected
     * @param string $attributeName
     * @param mixed  $classOrObject
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertAttributeNotInstanceOf($expected, $attributeName, $classOrObject, $message = '')
    {
        self::assertNotInstanceOf(
          $expected,
          self::readAttribute($classOrObject, $attributeName),
          $message
        );
    }

    /**
     * Asserts that a variable is of a given type.
     *
     * @param string $expected
     * @param mixed  $actual
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertInternalType($expected, $actual, $message = '')
    {
        if (is_string($expected)) {
            $constraint = new PHPUnit_Framework_Constraint_IsType(
              $expected
            );
        } else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        self::assertThat($actual, $constraint, $message);
    }

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param string $expected
     * @param string $attributeName
     * @param mixed  $classOrObject
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertAttributeInternalType($expected, $attributeName, $classOrObject, $message = '')
    {
        self::assertInternalType(
          $expected,
          self::readAttribute($classOrObject, $attributeName),
          $message
        );
    }

    /**
     * Asserts that a variable is not of a given type.
     *
     * @param string $expected
     * @param mixed  $actual
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertNotInternalType($expected, $actual, $message = '')
    {
        if (is_string($expected)) {
            $constraint = new PHPUnit_Framework_Constraint_Not(
              new PHPUnit_Framework_Constraint_IsType($expected)
            );
        } else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        self::assertThat($actual, $constraint, $message);
    }

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param string $expected
     * @param string $attributeName
     * @param mixed  $classOrObject
     * @param string $message
     * @since Method available since Release 3.5.0
     */
    public static function assertAttributeNotInternalType($expected, $attributeName, $classOrObject, $message = '')
    {
        self::assertNotInternalType(
          $expected,
          self::readAttribute($classOrObject, $attributeName),
          $message
        );
    }

    /**
     * Asserts that a variable is of a given type.
     *
     * @param  string $expected
     * @param  mixed  $actual
     * @param  string $message
     */
    public static function assertType($expected, $actual, $message = '')
    {
        if (is_string($expected)) {
            if (PHPUnit_Util_Type::isType($expected)) {
                if (class_exists($expected) || interface_exists($expected)) {
                    throw new InvalidArgumentException(
                      sprintf('"%s" is ambigious', $expected)
                    );
                }

                $constraint = new PHPUnit_Framework_Constraint_IsType(
                  $expected
                );
            }

            else if (class_exists($expected) || interface_exists($expected)) {
                $constraint = new PHPUnit_Framework_Constraint_IsInstanceOf(
                  $expected
                );
            }

            else {
                throw PHPUnit_Util_InvalidArgumentHelper::factory(
                  1, 'class or interface name'
                );
            }
        } else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        self::assertThat($actual, $constraint, $message);
    }

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param  string  $expected
     * @param  string  $attributeName
     * @param  mixed   $classOrObject
     * @param  string  $message
     * @since  Method available since Release 3.4.0
     */
    public static function assertAttributeType($expected, $attributeName, $classOrObject, $message = '')
    {
        self::assertType(
          $expected,
          self::readAttribute($classOrObject, $attributeName),
          $message
        );
    }

    /**
     * Asserts that a variable is not of a given type.
     *
     * @param  string $expected
     * @param  mixed  $actual
     * @param  string $message
     * @since  Method available since Release 2.2.0
     */
    public static function assertNotType($expected, $actual, $message = '')
    {
        if (is_string($expected)) {
            if (PHPUnit_Util_Type::isType($expected)) {
                if (class_exists($expected) || interface_exists($expected)) {
                    throw new InvalidArgumentException(
                      sprintf('"%s" is ambigious', $expected)
                    );
                }

                $constraint = new PHPUnit_Framework_Constraint_Not(
                  new PHPUnit_Framework_Constraint_IsType($expected)
                );
            }

            else if (class_exists($expected) || interface_exists($expected)) {
                $constraint = new PHPUnit_Framework_Constraint_Not(
                  new PHPUnit_Framework_Constraint_IsInstanceOf($expected)
                );
            }

            else {
                throw PHPUnit_Util_InvalidArgumentHelper::factory(
                  1, 'class or interface name'
                );
            }
        } else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        self::assertThat($actual, $constraint, $message);
    }

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param  string  $expected
     * @param  string  $attributeName
     * @param  mixed   $classOrObject
     * @param  string  $message
     * @since  Method available since Release 3.4.0
     */
    public static function assertAttributeNotType($expected, $attributeName, $classOrObject, $message = '')
    {
        self::assertNotType(
          $expected,
          self::readAttribute($classOrObject, $attributeName),
          $message
        );
    }

    /**
     * Asserts that a string matches a given regular expression.
     *
     * @param  string $pattern
     * @param  string $string
     * @param  string $message
     */
    public static function assertRegExp($pattern, $string, $message = '')
    {
        if (!is_string($pattern)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_PCREMatch($pattern);

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string does not match a given regular expression.
     *
     * @param  string $pattern
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 2.1.0
     */
    public static function assertNotRegExp($pattern, $string, $message = '')
    {
        if (!is_string($pattern)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_PCREMatch($pattern)
        );

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string matches a given format string.
     *
     * @param  string $format
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 3.5.0
     */
    public static function assertStringMatchesFormat($format, $string, $message = '')
    {
        if (!is_string($format)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_StringMatches($format);

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string does not match a given format string.
     *
     * @param  string $format
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 3.5.0
     */
    public static function assertStringNotMatchesFormat($format, $string, $message = '')
    {
        if (!is_string($format)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_StringMatches($format)
        );

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string matches a given format file.
     *
     * @param  string $formatFile
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 3.5.0
     */
    public static function assertStringMatchesFormatFile($formatFile, $string, $message = '')
    {
        self::assertFileExists($formatFile, $message);

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_StringMatches(
          file_get_contents($formatFile)
        );

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string does not match a given format string.
     *
     * @param  string $formatFile
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 3.5.0
     */
    public static function assertStringNotMatchesFormatFile($formatFile, $string, $message = '')
    {
        self::assertFileExists($formatFile, $message);

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_StringMatches(
            file_get_contents($formatFile)
          )
        );

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string starts with a given prefix.
     *
     * @param  string $prefix
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 3.4.0
     */
    public static function assertStringStartsWith($prefix, $string, $message = '')
    {
        if (!is_string($prefix)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_StringStartsWith(
          $prefix
        );

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string starts not with a given prefix.
     *
     * @param  string $prefix
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 3.4.0
     */
    public static function assertStringStartsNotWith($prefix, $string, $message = '')
    {
        if (!is_string($prefix)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_StringStartsWith($prefix)
        );

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string ends with a given prefix.
     *
     * @param  string $suffix
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 3.4.0
     */
    public static function assertStringEndsWith($suffix, $string, $message = '')
    {
        if (!is_string($suffix)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_StringEndsWith($suffix);

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that a string ends not with a given prefix.
     *
     * @param  string $suffix
     * @param  string $string
     * @param  string $message
     * @since  Method available since Release 3.4.0
     */
    public static function assertStringEndsNotWith($suffix, $string, $message = '')
    {
        if (!is_string($suffix)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        if (!is_string($string)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
          new PHPUnit_Framework_Constraint_StringEndsWith($suffix)
        );

        self::assertThat($string, $constraint, $message);
    }

    /**
     * Asserts that two XML files are equal.
     *
     * @param  string $expectedFile
     * @param  string $actualFile
     * @param  string $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertXmlFileEqualsXmlFile($expectedFile, $actualFile, $message = '')
    {
        self::assertFileExists($expectedFile);
        self::assertFileExists($actualFile);

        $expected = new DOMDocument;
        $expected->preserveWhiteSpace = FALSE;
        $expected->load($expectedFile);

        $actual = new DOMDocument;
        $actual->preserveWhiteSpace = FALSE;
        $actual->load($actualFile);

        self::assertEquals($expected, $actual, $message);
    }

    /**
     * Asserts that two XML files are not equal.
     *
     * @param  string $expectedFile
     * @param  string $actualFile
     * @param  string $message
     * @since  Method available since Release 3.1.0
     */
    public static function assertXmlFileNotEqualsXmlFile($expectedFile, $actualFile, $message = '')
    {
     …

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