<?php
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A set of assertion methods.
 */
abstract class PHPUnit_Framework_Assert
{
    /**
     * @var int
     */
    private static $count = 0;

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

        if (!(is_array($array) || $array instanceof ArrayAccess)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
                2,
                'array or ArrayAccess'
            );
        }

        $constraint = new PHPUnit_Framework_Constraint_ArrayHasKey($key);

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

    /**
     * Asserts that an array has a specified subset.
     *
     * @param array|ArrayAccess $subset
     * @param array|ArrayAccess $array
     * @param bool              $strict  Check for object identity
     * @param string            $message
     */
    public static function assertArraySubset($subset, $array, $strict = false, $message = '')
    {
        if (!(is_array($subset) || $subset instanceof ArrayAccess)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
                1,
                'array or ArrayAccess'
            );
        }

        if (!(is_array($array) || $array instanceof ArrayAccess)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
                2,
                'array or ArrayAccess'
            );
        }

        $constraint = new PHPUnit_Framework_Constraint_ArraySubset($subset, $strict);

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

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

        if (!(is_array($array) || $array instanceof ArrayAccess)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
                2,
                'array or ArrayAccess'
            );
        }

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

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

    /**
     * Asserts that a haystack contains a needle.
     *
     * @param mixed  $needle
     * @param mixed  $haystack
     * @param string $message
     * @param bool   $ignoreCase
     * @param bool   $checkForObjectIdentity
     * @param bool   $checkForNonObjectIdentity
     */
    public static function assertContains($needle, $haystack, $message = '', $ignoreCase = false, $checkForObjectIdentity = true, $checkForNonObjectIdentity = false)
    {
        if (is_array($haystack) ||
            is_object($haystack) && $haystack instanceof Traversable) {
            $constraint = new PHPUnit_Framework_Constraint_TraversableContains(
                $needle,
                $checkForObjectIdentity,
                $checkForNonObjectIdentity
            );
        } elseif (is_string($haystack)) {
            if (!is_string($needle)) {
                throw PHPUnit_Util_InvalidArgumentHelper::factory(
                    1,
                    'string'
                );
            }

            $constraint = new PHPUnit_Framework_Constraint_StringContains(
                $needle,
                $ignoreCase
            );
        } else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
                2,
                'array, traversable or string'
            );
        }

        static::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 string|object $haystackClassOrObject
     * @param string        $message
     * @param bool          $ignoreCase
     * @param bool          $checkForObjectIdentity
     * @param bool          $checkForNonObjectIdentity
     */
    public static function assertAttributeContains($needle, $haystackAttributeName, $haystackClassOrObject, $message = '', $ignoreCase = false, $checkForObjectIdentity = true, $checkForNonObjectIdentity = false)
    {
        static::assertContains(
            $needle,
            static::readAttribute($haystackClassOrObject, $haystackAttributeName),
            $message,
            $ignoreCase,
            $checkForObjectIdentity,
            $checkForNonObjectIdentity
        );
    }

    /**
     * Asserts that a haystack does not contain a needle.
     *
     * @param mixed  $needle
     * @param mixed  $haystack
     * @param string $message
     * @param bool   $ignoreCase
     * @param bool   $checkForObjectIdentity
     * @param bool   $checkForNonObjectIdentity
     */
    public static function assertNotContains($needle, $haystack, $message = '', $ignoreCase = false, $checkForObjectIdentity = true, $checkForNonObjectIdentity = false)
    {
        if (is_array($haystack) ||
            is_object($haystack) && $haystack instanceof Traversable) {
            $constraint = new PHPUnit_Framework_Constraint_Not(
                new PHPUnit_Framework_Constraint_TraversableContains(
                    $needle,
                    $checkForObjectIdentity,
                    $checkForNonObjectIdentity
                )
            );
        } elseif (is_string($haystack)) {
            if (!is_string($needle)) {
                throw PHPUnit_Util_InvalidArgumentHelper::factory(
                    1,
                    'string'
                );
            }

            $constraint = new PHPUnit_Framework_Constraint_Not(
                new PHPUnit_Framework_Constraint_StringContains(
                    $needle,
                    $ignoreCase
                )
            );
        } else {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
                2,
                'array, traversable or string'
            );
        }

        static::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 string|object $haystackClassOrObject
     * @param string        $message
     * @param bool          $ignoreCase
     * @param bool          $checkForObjectIdentity
     * @param bool          $checkForNonObjectIdentity
     */
    public static function assertAttributeNotContains($needle, $haystackAttributeName, $haystackClassOrObject, $message = '', $ignoreCase = false, $checkForObjectIdentity = true, $checkForNonObjectIdentity = false)
    {
        static::assertNotContains(
            $needle,
            static::readAttribute($haystackClassOrObject, $haystackAttributeName),
            $message,
            $ignoreCase,
            $checkForObjectIdentity,
            $checkForNonObjectIdentity
        );
    }

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

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

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

    /**
     * Asserts that a haystack contains only instances of a given classname
     *
     * @param string            $classname
     * @param array|Traversable $haystack
     * @param string            $message
     */
    public static function assertContainsOnlyInstancesOf($classname, $haystack, $message = '')
    {
        if (!(is_array($haystack) ||
            is_object($haystack) && $haystack instanceof Traversable)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(
                2,
                'array or traversable'
            );
        }

        static::assertThat(
            $haystack,
            new PHPUnit_Framework_Constraint_TraversableContainsOnly(
                $classname,
                false
            ),
            $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 string|object $haystackClassOrObject
     * @param bool          $isNativeType
     * @param string        $message
     */
    public static function assertAttributeContainsOnly($type, $haystackAttributeName, $haystackClassOrObject, $isNativeType = null, $message = '')
    {
        static::assertContainsOnly(
            $type,
            static::readAttribute($haystackClassOrObject, $haystackAttributeName),
            $isNativeType,
            $message
        );
    }

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

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

        static::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 string|object $haystackClassOrObject
     * @param bool          $isNativeType
     * @param string        $message
     */
    public static function assertAttributeNotContainsOnly($type, $haystackAttributeName, $haystackClassOrObject, $isNativeType = null, $message = '')
    {
        static::assertNotContainsOnly(
            $type,
            static::readAttribute($haystackClassOrObject, $haystackAttributeName),
            $isNativeType,
            $message
        );
    }

    /**
     * Asserts the number of elements of an array, Countable or Traversable.
     *
     * @param int    $expectedCount
     * @param mixed  $haystack
     * @param string $message
     */
    public static function assertCount($expectedCount, $haystack, $message = '')
    {
        if (!is_int($expectedCount)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'integer');
        }

        if (!$haystack instanceof Countable &&
            !$haystack instanceof Traversable &&
            !is_array($haystack)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'countable or traversable');
        }

        static::assertThat(
            $haystack,
            new PHPUnit_Framework_Constraint_Count($expectedCount),
            $message
        );
    }

    /**
     * Asserts the number of elements of an array, Countable or Traversable
     * that is stored in an attribute.
     *
     * @param int           $expectedCount
     * @param string        $haystackAttributeName
     * @param string|object $haystackClassOrObject
     * @param string        $message
     */
    public static function assertAttributeCount($expectedCount, $haystackAttributeName, $haystackClassOrObject, $message = '')
    {
        static::assertCount(
            $expectedCount,
            static::readAttribute($haystackClassOrObject, $haystackAttributeName),
            $message
        );
    }

    /**
     * Asserts the number of elements of an array, Countable or Traversable.
     *
     * @param int    $expectedCount
     * @param mixed  $haystack
     * @param string $message
     */
    public static function assertNotCount($expectedCount, $haystack, $message = '')
    {
        if (!is_int($expectedCount)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'integer');
        }

        if (!$haystack instanceof Countable &&
            !$haystack instanceof Traversable &&
            !is_array($haystack)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(2, 'countable or traversable');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
            new PHPUnit_Framework_Constraint_Count($expectedCount)
        );

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

    /**
     * Asserts the number of elements of an array, Countable or Traversable
     * that is stored in an attribute.
     *
     * @param int           $expectedCount
     * @param string        $haystackAttributeName
     * @param string|object $haystackClassOrObject
     * @param string        $message
     */
    public static function assertAttributeNotCount($expectedCount, $haystackAttributeName, $haystackClassOrObject, $message = '')
    {
        static::assertNotCount(
            $expectedCount,
            static::readAttribute($haystackClassOrObject, $haystackAttributeName),
            $message
        );
    }

    /**
     * Asserts that two variables are equal.
     *
     * @param mixed  $expected
     * @param mixed  $actual
     * @param string $message
     * @param float  $delta
     * @param int    $maxDepth
     * @param bool   $canonicalize
     * @param bool   $ignoreCase
     */
    public static function assertEquals($expected, $actual, $message = '', $delta = 0.0, $maxDepth = 10, $canonicalize = false, $ignoreCase = false)
    {
        $constraint = new PHPUnit_Framework_Constraint_IsEqual(
            $expected,
            $delta,
            $maxDepth,
            $canonicalize,
            $ignoreCase
        );

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

    /**
     * Asserts that a variable is equal to an attribute of an object.
     *
     * @param mixed         $expected
     * @param string        $actualAttributeName
     * @param string|object $actualClassOrObject
     * @param string        $message
     * @param float         $delta
     * @param int           $maxDepth
     * @param bool          $canonicalize
     * @param bool          $ignoreCase
     */
    public static function assertAttributeEquals($expected, $actualAttributeName, $actualClassOrObject, $message = '', $delta = 0.0, $maxDepth = 10, $canonicalize = false, $ignoreCase = false)
    {
        static::assertEquals(
            $expected,
            static::readAttribute($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 int    $maxDepth
     * @param bool   $canonicalize
     * @param bool   $ignoreCase
     */
    public static function assertNotEquals($expected, $actual, $message = '', $delta = 0.0, $maxDepth = 10, $canonicalize = false, $ignoreCase = false)
    {
        $constraint = new PHPUnit_Framework_Constraint_Not(
            new PHPUnit_Framework_Constraint_IsEqual(
                $expected,
                $delta,
                $maxDepth,
                $canonicalize,
                $ignoreCase
            )
        );

        static::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|object $actualClassOrObject
     * @param string        $message
     * @param float         $delta
     * @param int           $maxDepth
     * @param bool          $canonicalize
     * @param bool          $ignoreCase
     */
    public static function assertAttributeNotEquals($expected, $actualAttributeName, $actualClassOrObject, $message = '', $delta = 0.0, $maxDepth = 10, $canonicalize = false, $ignoreCase = false)
    {
        static::assertNotEquals(
            $expected,
            static::readAttribute($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, $message = '')
    {
        static::assertThat($actual, static::isEmpty(), $message);
    }

    /**
     * Asserts that a static attribute of a class or an attribute of an object
     * is empty.
     *
     * @param string        $haystackAttributeName
     * @param string|object $haystackClassOrObject
     * @param string        $message
     */
    public static function assertAttributeEmpty($haystackAttributeName, $haystackClassOrObject, $message = '')
    {
        static::assertEmpty(
            static::readAttribute($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, $message = '')
    {
        static::assertThat($actual, static::logicalNot(static::isEmpty()), $message);
    }

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

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

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

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

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

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

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

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

    /**
     * Asserts that an attribute is smaller than or equal to another value.
     *
     * @param mixed         $expected
     * @param string        $actualAttributeName
     * @param string|object $actualClassOrObject
     * @param string        $message
     */
    public static function assertAttributeLessThanOrEqual($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        static::assertLessThanOrEqual(
            $expected,
            static::readAttribute($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 bool   $canonicalize
     * @param bool   $ignoreCase
     */
    public static function assertFileEquals($expected, $actual, $message = '', $canonicalize = false, $ignoreCase = false)
    {
        static::assertFileExists($expected, $message);
        static::assertFileExists($actual, $message);

        static::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 bool   $canonicalize
     * @param bool   $ignoreCase
     */
    public static function assertFileNotEquals($expected, $actual, $message = '', $canonicalize = false, $ignoreCase = false)
    {
        static::assertFileExists($expected, $message);
        static::assertFileExists($actual, $message);

        static::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 bool   $canonicalize
     * @param bool   $ignoreCase
     */
    public static function assertStringEqualsFile($expectedFile, $actualString, $message = '', $canonicalize = false, $ignoreCase = false)
    {
        static::assertFileExists($expectedFile, $message);

        static::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 bool   $canonicalize
     * @param bool   $ignoreCase
     */
    public static function assertStringNotEqualsFile($expectedFile, $actualString, $message = '', $canonicalize = false, $ignoreCase = false)
    {
        static::assertFileExists($expectedFile, $message);

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

    /**
     * Asserts that a file/dir is readable.
     *
     * @param string $filename
     * @param string $message
     */
    public static function assertIsReadable($filename, $message = '')
    {
        if (!is_string($filename)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_IsReadable;

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

    /**
     * Asserts that a file/dir exists and is not readable.
     *
     * @param string $filename
     * @param string $message
     */
    public static function assertNotIsReadable($filename, $message = '')
    {
        if (!is_string($filename)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
            new PHPUnit_Framework_Constraint_IsReadable
        );

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

    /**
     * Asserts that a file/dir exists and is writable.
     *
     * @param string $filename
     * @param string $message
     */
    public static function assertIsWritable($filename, $message = '')
    {
        if (!is_string($filename)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_IsWritable;

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

    /**
     * Asserts that a file/dir exists and is not writable.
     *
     * @param string $filename
     * @param string $message
     */
    public static function assertNotIsWritable($filename, $message = '')
    {
        if (!is_string($filename)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
            new PHPUnit_Framework_Constraint_IsWritable
        );

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

    /**
     * Asserts that a directory exists.
     *
     * @param string $directory
     * @param string $message
     */
    public static function assertDirectoryExists($directory, $message = '')
    {
        if (!is_string($directory)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_DirectoryExists;

        static::assertThat($directory, $constraint, $message);
    }

    /**
     * Asserts that a directory does not exist.
     *
     * @param string $directory
     * @param string $message
     */
    public static function assertDirectoryNotExists($directory, $message = '')
    {
        if (!is_string($directory)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
            new PHPUnit_Framework_Constraint_DirectoryExists
        );

        static::assertThat($directory, $constraint, $message);
    }

    /**
     * Asserts that a directory exists and is readable.
     *
     * @param string $directory
     * @param string $message
     */
    public static function assertDirectoryIsReadable($directory, $message = '')
    {
        self::assertDirectoryExists($directory, $message);
        self::assertIsReadable($directory, $message);
    }

    /**
     * Asserts that a directory exists and is not readable.
     *
     * @param string $directory
     * @param string $message
     */
    public static function assertDirectoryNotIsReadable($directory, $message = '')
    {
        self::assertDirectoryExists($directory, $message);
        self::assertNotIsReadable($directory, $message);
    }

    /**
     * Asserts that a directory exists and is writable.
     *
     * @param string $directory
     * @param string $message
     */
    public static function assertDirectoryIsWritable($directory, $message = '')
    {
        self::assertDirectoryExists($directory, $message);
        self::assertIsWritable($directory, $message);
    }

    /**
     * Asserts that a directory exists and is not writable.
     *
     * @param string $directory
     * @param string $message
     */
    public static function assertDirectoryNotIsWritable($directory, $message = '')
    {
        self::assertDirectoryExists($directory, $message);
        self::assertNotIsWritable($directory, $message);
    }

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

        $constraint = new PHPUnit_Framework_Constraint_FileExists;

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

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

        $constraint = new PHPUnit_Framework_Constraint_Not(
            new PHPUnit_Framework_Constraint_FileExists
        );

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

    /**
     * Asserts that a file exists and is readable.
     *
     * @param string $file
     * @param string $message
     */
    public static function assertFileIsReadable($file, $message = '')
    {
        self::assertFileExists($file, $message);
        self::assertIsReadable($file, $message);
    }

    /**
     * Asserts that a file exists and is not readable.
     *
     * @param string $file
     * @param string $message
     */
    public static function assertFileNotIsReadable($file, $message = '')
    {
        self::assertFileExists($file, $message);
        self::assertNotIsReadable($file, $message);
    }

    /**
     * Asserts that a file exists and is writable.
     *
     * @param string $file
     * @param string $message
     */
    public static function assertFileIsWritable($file, $message = '')
    {
        self::assertFileExists($file, $message);
        self::assertIsWritable($file, $message);
    }

    /**
     * Asserts that a file exists and is not writable.
     *
     * @param string $file
     * @param string $message
     */
    public static function assertFileNotIsWritable($file, $message = '')
    {
        self::assertFileExists($file, $message);
        self::assertNotIsWritable($file, $message);
    }

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

    /**
     * Asserts that a condition is not true.
     *
     * @param bool   $condition
     * @param string $message
     *
     * @throws PHPUnit_Framework_AssertionFailedError
     */
    public static function assertNotTrue($condition, $message = '')
    {
        static::assertThat($condition, static::logicalNot(static::isTrue()), $message);
    }

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

    /**
     * Asserts that a condition is not false.
     *
     * @param bool   $condition
     * @param string $message
     *
     * @throws PHPUnit_Framework_AssertionFailedError
     */
    public static function assertNotFalse($condition, $message = '')
    {
        static::assertThat($condition, static::logicalNot(static::isFalse()), $message);
    }

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

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

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

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

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

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

        if (!preg_match('/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/', $attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'valid attribute name');
        }

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

        $constraint = new PHPUnit_Framework_Constraint_ClassHasAttribute(
            $attributeName
        );

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

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

        if (!preg_match('/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/', $attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'valid attribute name');
        }

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

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

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

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

        if (!preg_match('/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/', $attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'valid attribute name');
        }

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

        $constraint = new PHPUnit_Framework_Constraint_ClassHasStaticAttribute(
            $attributeName
        );

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

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

        if (!preg_match('/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/', $attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'valid attribute name');
        }

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

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

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

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

        if (!preg_match('/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/', $attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'valid attribute name');
        }

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

        $constraint = new PHPUnit_Framework_Constraint_ObjectHasAttribute(
            $attributeName
        );

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

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

        if (!preg_match('/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/', $attributeName)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'valid attribute name');
        }

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

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

        static::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($actual)) {
            static::assertEquals($expected, $actual, $message);
        } else {
            $constraint = new PHPUnit_Framework_Constraint_IsIdentical(
                $expected
            );

            static::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 string|object $actualClassOrObject
     * @param string        $message
     */
    public static function assertAttributeSame($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        static::assertSame(
            $expected,
            static::readAttribute($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($actual)) {
            static::assertNotEquals($expected, $actual, $message);
        } else {
            $constraint = new PHPUnit_Framework_Constraint_Not(
                new PHPUnit_Framework_Constraint_IsIdentical($expected)
            );

            static::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 string|object $actualClassOrObject
     * @param string        $message
     */
    public static function assertAttributeNotSame($expected, $actualAttributeName, $actualClassOrObject, $message = '')
    {
        static::assertNotSame(
            $expected,
            static::readAttribute($actualClassOrObject, $actualAttributeName),
            $message
        );
    }

    /**
     * Asserts that a variable is of a given type.
     *
     * @param string $expected
     * @param mixed  $actual
     * @param string $message
     */
    public static function assertInstanceOf($expected, $actual, $message = '')
    {
        if (!(is_string($expected) && (class_exists($expected) || interface_exists($expected)))) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'class or interface name');
        }

        $constraint = new PHPUnit_Framework_Constraint_IsInstanceOf(
            $expected
        );

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

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param string        $expected
     * @param string        $attributeName
     * @param string|object $classOrObject
     * @param string        $message
     */
    public static function assertAttributeInstanceOf($expected, $attributeName, $classOrObject, $message = '')
    {
        static::assertInstanceOf(
            $expected,
            static::readAttribute($classOrObject, $attributeName),
            $message
        );
    }

    /**
     * Asserts that a variable is not of a given type.
     *
     * @param string $expected
     * @param mixed  $actual
     * @param string $message
     */
    public static function assertNotInstanceOf($expected, $actual, $message = '')
    {
        if (!(is_string($expected) && (class_exists($expected) || interface_exists($expected)))) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'class or interface name');
        }

        $constraint = new PHPUnit_Framework_Constraint_Not(
            new PHPUnit_Framework_Constraint_IsInstanceOf($expected)
        );

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

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param string        $expected
     * @param string        $attributeName
     * @param string|object $classOrObject
     * @param string        $message
     */
    public static function assertAttributeNotInstanceOf($expected, $attributeName, $classOrObject, $message = '')
    {
        static::assertNotInstanceOf(
            $expected,
            static::readAttribute($classOrObject, $attributeName),
            $message
        );
    }

    /**
     * Asserts that a variable is of a given type.
     *
     * @param string $expected
     * @param mixed  $actual
     * @param string $message
     */
    public static function assertInternalType($expected, $actual, $message = '')
    {
        if (!is_string($expected)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

        $constraint = new PHPUnit_Framework_Constraint_IsType(
            $expected
        );

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

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param string        $expected
     * @param string        $attributeName
     * @param string|object $classOrObject
     * @param string        $message
     */
    public static function assertAttributeInternalType($expected, $attributeName, $classOrObject, $message = '')
    {
        static::assertInternalType(
            $expected,
            static::readAttribute($classOrObject, $attributeName),
            $message
        );
    }

    /**
     * Asserts that a variable is not of a given type.
     *
     * @param string $expected
     * @param mixed  $actual
     * @param string $message
     */
    public static function assertNotInternalType($expected, $actual, $message = '')
    {
        if (!is_string($expected)) {
            throw PHPUnit_Util_InvalidArgumentHelper::factory(1, 'string');
        }

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

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

    /**
     * Asserts that an attribute is of a given type.
     *
     * @param string        $expected
     * @param string        $attributeName
     * @param string|object $classOrObject
     * @param string        $message
     */
    public static function assertAttributeNotInternalType($expected, $attributeName, $classOrObject, $message = '')
    {
        static::assertNotInternalType(
            $expected,
            static::readAttribute($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);

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

    /**
     * Asserts that a string does not match a given regular expression.
     *
     * @param string $pattern
     * @param string $string
     * @param…