<?php

/**
 * Test class to test rcube_charset class
 *
 * @package Tests
 */
class Framework_Charset extends PHPUnit_Framework_TestCase
{

    /**
     * Data for test_clean()
     */
    function data_clean()
    {
        return array(
            array('', ''),
            array("\xC1", ''),
        );
    }

    /**
     * @dataProvider data_clean
     */
    function test_clean($input, $output)
    {
        $this->assertEquals($output, rcube_charset::clean($input));
    }

    /**
     * Data for test_parse_charset()
     */
    function data_parse_charset()
    {
        return array(
            array('UTF8', 'UTF-8'),
            array('WIN1250', 'WINDOWS-1250'),
        );
    }

    /**
     * @dataProvider data_parse_charset
     */
    function test_parse_charset($input, $output)
    {
        $this->assertEquals($output, rcube_charset::parse_charset($input));
    }

    /**
     * Data for test_convert()
     */
    function data_convert()
    {
        return array(
            array('枚', '枚', 'UTF-8', 'UTF-8'),
            array('枚', '', 'UTF-8', 'US-ASCII'),
            array('a偶', 'a', 'UTF-8', 'US-ASCII'),
            array('&BCAEMARBBEEESwQ7BDoEOA-', '袪邪褋褋褘谢泻懈', 'UTF7-IMAP', 'UTF-8'),
            array('袪邪褋褋褘谢泻懈', '&BCAEMARBBEEESwQ7BDoEOA-', 'UTF-8', 'UTF7-IMAP'),
        );
    }

    /**
     * @dataProvider data_convert
     */
    function test_convert($input, $output, $from, $to)
    {
        $this->assertEquals($output, rcube_charset::convert($input, $from, $to));
    }

    /**
     * Data for test_utf7_to_utf8()
     */
    function data_utf7_to_utf8()
    {
        return array(
            array('+BCAEMARBBEEESwQ7BDoEOA-', '袪邪褋褋褘谢泻懈'),
        );
    }

    /**
     * @dataProvider data_utf7_to_utf8
     */
    function test_utf7_to_utf8($input, $output)
    {
        $this->assertEquals($output, rcube_charset::utf7_to_utf8($input));
    }

    /**
     * Data for test_utf7imap_to_utf8()
     */
    function data_utf7imap_to_utf8()
    {
        return array(
            array('&BCAEMARBBEEESwQ7BDoEOA-', '袪邪褋褋褘谢泻懈'),
        );
    }

    /**
     * @dataProvider data_utf7imap_to_utf8
     */
    function test_utf7imap_to_utf8($input, $output)
    {
        $this->assertEquals($output, rcube_charset::utf7imap_to_utf8($input));
    }

    /**
     * Data for test_utf8_to_utf7imap()
     */
    function data_utf8_to_utf7imap()
    {
        return array(
            array('袪邪褋褋褘谢泻懈', '&BCAEMARBBEEESwQ7BDoEOA-'),
        );
    }

    /**
     * @dataProvider data_utf8_to_utf7imap
     */
    function test_utf8_to_utf7imap($input, $output)
    {
        $this->assertEquals($output, rcube_charset::utf8_to_utf7imap($input));
    }

    /**
     * Data for test_utf16_to_utf8()
     */
    function data_utf16_to_utf8()
    {
        return array(
            array(base64_decode('BCAEMARBBEEESwQ7BDoEOA=='), '袪邪褋褋褘谢泻懈'),
        );
    }

    /**
     * @dataProvider data_utf16_to_utf8
     */
    function test_utf16_to_utf8($input, $output)
    {
        $this->assertEquals($output, rcube_charset::utf16_to_utf8($input));
    }

    /**
     * Data for test_detect()
     */
    function data_detect()
    {
        return array(
            array('', '', 'UTF-8'),
            array('a', 'UTF-8', 'UTF-8'),
        );
    }

    /**
     * @dataProvider data_detect
     */
    function test_detect($input, $fallback, $output)
    {
        $this->assertEquals($output, rcube_charset::detect($input, $fallback));
    }

    /**
     * Data for test_detect()
     */
    function data_detect_with_lang()
    {
        return array(
            array('陪ボ嘿,璶', 'zh_TW', 'BIG-5'),
        );
    }

    /**
     * @dataProvider data_detect_with_lang
     */
    function test_detect_with_lang($input, $lang, $output)
    {
        $this->assertEquals($output, rcube_charset::detect($input, $output, $lang));
    }

}