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<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

/**

 * PHP Version 4

 *

 * Copyright (c) 2002-2005, 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, STRIC

 * 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.

 *

 * @category   Testing

 * @package    PHPUnit

 * @author     Sebastian Bergmann <sb@sebastian-bergmann.de>

 * @copyright  2002-2005 Sebastian Bergmann <sb@sebastian-bergmann.de>

 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License

 * @version    CVS: $Id: Assert.php,v 1.29 2005/11/10 09:47:14 sebastian Exp $

 * @link       http://pear.php.net/package/PHPUnit

 * @since      File available since Release 1.0.0

 */

/**

 * A set of assert methods.

 *

 * @category   Testing

 * @package    PHPUnit

 * @author     Sebastian Bergmann <sb@sebastian-bergmann.de>

 * @copyright  2002-2005 Sebastian Bergmann <sb@sebastian-bergmann.de>

 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License

 * @version    Release: 1.3.2

 * @link       http://pear.php.net/package/PHPUnit

 * @since      Class available since Release 1.0.0

 */

class PHPUnit_Assert {

    /**

     * @var    boolean

     * @access private

     */

    var $_looselyTyped = FALSE;

    /**

     * Asserts that a haystack contains a needle.

     *

     * @param  mixed

     * @param  mixed

     * @param  string

     * @access public

     * @since  Method available since Release 1.1.0

     */

    function assertContains($needle, $haystack, $message = '') {

        if (is_string($needle) && is_string($haystack)) {

            $this->assertTrue(strpos($haystack, $needle) !== FALSE, $message);

        }

        else if (is_array($haystack) && !is_object($needle)) {

            $this->assertTrue(in_array($needle, $haystack), $message);

        }

        else {

            $this->fail('Unsupported parameter passed to assertContains().');

        }

    }

    /**

     * Asserts that a haystack does not contain a needle.

     *

     * @param  mixed

     * @param  mixed

     * @param  string

     * @access public

     * @since  Method available since Release 1.1.0

     */

    function assertNotContains($needle, $haystack, $message = '') {

        if (is_string($needle) && is_string($haystack)) {

            $this->assertFalse(strpos($haystack, $needle) !== FALSE, $message);

        }

        else if (is_array($haystack) && !is_object($needle)) {

            $this->assertFalse(in_array($needle, $haystack), $message);

        }

        else {

            $this->fail('Unsupported parameter passed to assertNotContains().');

        }

    }

    /**

     * Asserts that two variables are equal.

     *

     * @param  mixed

     * @param  mixed

     * @param  string

     * @param  mixed

     * @access public

     */

    function assertEquals($expected, $actual, $message = '', $delta = 0) {

        if ((is_array($actual)  && is_array($expected)) ||

            (is_object($actual) && is_object($expected))) {

            if (is_array($actual) && is_array($expected)) {

                ksort($actual);

                ksort($expected);

            }

            if ($this->_looselyTyped) {

                $actual   = $this->_convertToString($actual);

                $expected = $this->_convertToString($expected);

            }

            $actual   = serialize($actual);

            $expected = serialize($expected);

            $message = sprintf(

              '%sexpected %s, actual %s',

              !empty($message) ? $message . ' ' : '',

              $expected,

              $actual

            );

            if ($actual !== $expected) {

                return $this->fail($message);

            }

        }

        elseif (is_numeric($actual) && is_numeric($expected)) {

            $message = sprintf(

              '%sexpected %s%s, actual %s',

              !empty($message) ? $message . ' ' : '',

              $expected,

              ($delta != 0) ? ('+/- ' . $delta) : '',

              $actual

            );

            if (!($actual >= ($expected - $delta) && $actual <= ($expected + $delta))) {

                return $this->fail($message);

            }

        }

        else {

            $message = sprintf(

              '%sexpected %s, actual %s',

              !empty($message) ? $message . ' ' : '',

              $expected,

              $actual

            );

            if ($actual !== $expected) {

                return $this->fail($message);

            }

        }

    }

    /**

     * Asserts that two variables reference the same object.

     * This requires the Zend Engine 2 to work.

     *

     * @param  object

     * @param  object

     * @param  string

     * @access public

     * @deprecated

     */

    function assertSame($expected, $actual, $message = '') {

        if (!version_compare(phpversion(), '5.0.0', '>=')) {

            $this->fail('assertSame() only works with PHP >= 5.0.0.');

        }

        if ((is_object($expected) || is_null($expected)) &&

            (is_object($actual)   || is_null($actual))) {

            $message = sprintf(

              '%sexpected two variables to reference the same object',

              !empty($message) ? $message . ' ' : ''

            );

            if ($expected !== $actual) {

                return $this->fail($message);

            }

        } else {

            $this->fail('Unsupported parameter passed to assertSame().');

        }

    }

    /**

     * Asserts that two variables do not reference the same object.

     * This requires the Zend Engine 2 to work.

     *

     * @param  object

     * @param  object

     * @param  string

     * @access public

     * @deprecated

     */

    function assertNotSame($expected, $actual, $message = '') {

        if (!version_compare(phpversion(), '5.0.0', '>=')) {

            $this->fail('assertNotSame() only works with PHP >= 5.0.0.');

        }

        if ((is_object($expected) || is_null($expected)) &&

            (is_object($actual)   || is_null($actual))) {

            $message = sprintf(

              '%sexpected two variables to reference different objects',

              !empty($message) ? $message . ' ' : ''

            );

            if ($expected === $actual) {

                return $this->fail($message);

            }

        } else {

            $this->fail('Unsupported parameter passed to assertNotSame().');

        }

    }

    /**

     * Asserts that a variable is not NULL.

     *

     * @param  mixed

     * @param  string

     * @access public

     */

    function assertNotNull($actual, $message = '') {

        $message = sprintf(

          '%sexpected NOT NULL, actual NULL',

          !empty($message) ? $message . ' ' : ''

        );

        if (is_null($actual)) {

            return $this->fail($message);

        }

    }

    /**

     * Asserts that a variable is NULL.

     *

     * @param  mixed

     * @param  string

     * @access public

     */

    function assertNull($actual, $message = '') {

        $message = sprintf(

          '%sexpected NULL, actual NOT NULL',

          !empty($message) ? $message . ' ' : ''

        );

        if (!is_null($actual)) {

            return $this->fail($message);

        }

    }

    /**

     * Asserts that a condition is true.

     *

     * @param  boolean

     * @param  string

     * @access public

     */

    function assertTrue($condition, $message = '') {

        $message = sprintf(

          '%sexpected TRUE, actual FALSE',

          !empty($message) ? $message . ' ' : ''

        );

        if (!$condition) {

            return $this->fail($message);

        }

    }

    /**

     * Asserts that a condition is false.

     *

     * @param  boolean

     * @param  string

     * @access public

     */

    function assertFalse($condition, $message = '') {

        $message = sprintf(

          '%sexpected FALSE, actual TRUE',

          !empty($message) ? $message . ' ' : ''

        );

        if ($condition) {

            return $this->fail($message);

        }

    }

    /**

     * Asserts that a string matches a given regular expression.

     *

     * @param  string

     * @param  string

     * @param  string

     * @access public

     */

    function assertRegExp($pattern, $string, $message = '') {

        $message = sprintf(

          '%s"%s" does not match pattern "%s"',

          !empty($message) ? $message . ' ' : '',

          $string,

          $pattern

        );

        if (!preg_match($pattern, $string)) {

            return $this->fail($message);

        }

    }

    /**

     * Asserts that a string does not match a given regular expression.

     *

     * @param  string

     * @param  string

     * @param  string

     * @access public

     * @since  Method available since Release 1.1.0

     */

    function assertNotRegExp($pattern, $string, $message = '') {

        $message = sprintf(

          '%s"%s" matches pattern "%s"',

          !empty($message) ? $message . ' ' : '',

          $string,

          $pattern

        );

        if (preg_match($pattern, $string)) {

            return $this->fail($message);

        }

    }

    /**

     * Asserts that a variable is of a given type.

     *

     * @param  string          $expected

     * @param  mixed           $actual

     * @param  optional string $message

     * @access public

     */

    function assertType($expected, $actual, $message = '') {

        return $this->assertEquals(

          $expected,

          gettype($actual),

          $message

        );

    }

    /**

     * Converts a value to a string.

     *

     * @param  mixed   $value

     * @access private

     */

    function _convertToString($value) {

        foreach ($value as $k => $v) {

            if (is_array($v)) {

                $value[$k] = $this->_convertToString($value[$k]);

            } else {

                settype($value[$k], 'string');

            }

        }

        return $value;

    }

    /**

     * @param  boolean $looselyTyped

     * @access public

     */

    function setLooselyTyped($looselyTyped) {

        if (is_bool($looselyTyped)) {

            $this->_looselyTyped = $looselyTyped;

        }

    }

    /**

     * Fails a test with the given message.

     *

     * @param  string

     * @access protected

     * @abstract

     */

    function fail($message = '') { /* abstract */ }

}

/*

 * Local variables:

 * tab-width: 4

 * c-basic-offset: 4

 * c-hanging-comment-ender-p: nil

 * End:

 */

?>