phpmyadmin/test/libraries/PMA_StringNative_test.php

<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Tests for Specialized String Functions (native) for phpMyAdmin
 *
 * @package PhpMyAdmin-test
 */

/*
 * Include to test.
 */
require_once 'libraries/StringNative.class.php';

/**
 * Tests for Specialized String Functions (native) for phpMyAdmin
 *
 * @package PhpMyAdmin-test
 */
class PMA_StringNative_Test extends PHPUnit_Framework_TestCase
{
    protected $testObject;

    /**
     * Setup function for test cases
     *
     * @access protected
     * @return void
     */
    protected function setUp()
    {
        $this->testObject = new PMA_StringNative();
    }

    /**
     * Test for PMA_StringNative::strlen
     *
     * @param integer $length Length of the string
     * @param string  $str    String to check for
     *
     * @return void
     * @test
     * @dataProvider strlenData
     */
    public function testNativeStrlen($length, $str)
    {
        $this->assertEquals(
            $length,
            $this->testObject->strlen($str)
        );
    }

    /**
     * Data provider for testNativeStrlen
     *
     * @return array Test data
     */
    public function strlenData()
    {
        return array(
            array(2, "ab"),
            array(9, "test data"),
            array(0, "")
        );
    }

    /**
     * Test for PMA_StringNative::substr
     *
     * @param string $str      Expected substring
     * @param string $haystack String to check in
     * @param int    $start    Starting position of substring
     * @param int    $length   Length of substring
     *
     * @return void
     * @test
     * @dataProvider subStrData
     */
    public function testNativeSubStr($str, $haystack, $start, $length)
    {
        $this->assertEquals(
            $str,
            $this->testObject->substr($haystack, $start, $length)
        );
    }

    /**
     * Data provider for testNativeSubStr
     *
     * @return array Test data
     */
    public function subStrData()
    {
        return array(
            array("b", "ab", 1, 1),
            array("data", "testdata", 4, 4)
        );
    }

    /**
     * Test for PMA_StringNative::strpos
     *
     * @param int    $pos      Expected position
     * @param string $haystack String to search in
     * @param string $needle   String to search for
     * @param int    $offset   Search offset
     *
     * @return void
     * @test
     * @dataProvider strposData
     */
    public function testNativeStrpos($pos, $haystack, $needle, $offset)
    {
        $this->assertEquals(
            $pos,
            $this->testObject->strpos($haystack, $needle, $offset)
        );
    }

    /**
     * Data provider for testNativeStrpos
     *
     * @return array Test data
     */
    public function strposData()
    {
        return array(
            array(1, "ab", "b", 0),
            array(4, "test data", " ", 0)
        );
    }

    /**
     * Test for PMA_StringNative::strtolower
     *
     * @param string $expected Expected lowercased string
     * @param string $string   String to convert to lowercase
     *
     * @return void
     * @test
     * @dataProvider strToLowerData
     */
    public function testNativeStrToLower($expected, $string)
    {
        $this->assertEquals(
            $expected,
            $this->testObject->strtolower($string)
        );
    }

    /**
     * Data provider for testNativeStrpos
     *
     * @return array Test data
     */
    public function strToLowerData()
    {
        return array(
            array("mary had a", "Mary Had A"),
            array("test string", "TEST STRING")
        );
    }

    /**
     * Test for PMA_StringNative::strrchr
     *
     * @param string $expected Expected substring
     * @param string $haystack String to cut
     * @param string $needle   Searched string
     *
     * @return void
     * @test
     * @dataProvider providerStrrchr
     */
    public function testStrrchr($expected, $haystack, $needle)
    {
        $this->assertEquals(
            $expected,
            $this->testObject->strrchr($haystack, $needle)
        );
    }

    /**
     * Data provider for testStrrchr
     *
     * @return array Test data
     */
    public function providerStrrchr()
    {
        return array(
            array('abcdef', 'abcdefabcdef', 'a'),
            array(false, 'abcdefabcdef', 'A'),
            array('f', 'abcdefabcdef', 'f'),
            array(false, 'abcdefabcdef', 'z'),
            array(false, 'abcdefabcdef', ''),
            array(false, 'abcdefabcdef', false),
            array(false, 'abcdefabcdef', true),
            array(false, '789456123', true),
            array(false, 'abcdefabcdef', null),
            array(false, null, null),
            array(false, null, 'a'),
            array(false, null, '0'),
            array(false, false, null),
            array(false, false, 'a'),
            array(false, false, '0'),
            array(false, true, null),
            array(false, true, 'a'),
            array(false, true, '0'),
        );
    }
}
?>