<?php

use Illuminate\Support\Str;

class SupportStrTest extends PHPUnit_Framework_TestCase
{
    /**
     * Test the Str::words method.
     *
     * @group laravel
     */
    public function testStringCanBeLimitedByWords()
    {
        $this->assertEquals('Taylor...', Str::words('Taylor Otwell', 1));
        $this->assertEquals('Taylor___', Str::words('Taylor Otwell', 1, '___'));
        $this->assertEquals('Taylor Otwell', Str::words('Taylor Otwell', 3));
    }

    public function testStringTrimmedOnlyWhereNecessary()
    {
        $this->assertEquals(' Taylor Otwell ', Str::words(' Taylor Otwell ', 3));
        $this->assertEquals(' Taylor...', Str::words(' Taylor Otwell ', 1));
    }

    public function testStringTitle()
    {
        $this->assertEquals('Jefferson Costella', Str::title('jefferson costella'));
        $this->assertEquals('Jefferson Costella', Str::title('jefFErson coSTella'));
    }

    public function testStringWithoutWordsDoesntProduceError()
    {
        $nbsp = chr(0xC2).chr(0xA0);
        $this->assertEquals(' ', Str::words(' '));
        $this->assertEquals($nbsp, Str::words($nbsp));
    }

    public function testStartsWith()
    {
        $this->assertTrue(Str::startsWith('jason', 'jas'));
        $this->assertTrue(Str::startsWith('jason', 'jason'));
        $this->assertTrue(Str::startsWith('jason', ['jas']));
        $this->assertFalse(Str::startsWith('jason', 'day'));
        $this->assertFalse(Str::startsWith('jason', ['day']));
        $this->assertFalse(Str::startsWith('jason', ''));
    }

    public function testEndsWith()
    {
        $this->assertTrue(Str::endsWith('jason', 'on'));
        $this->assertTrue(Str::endsWith('jason', 'jason'));
        $this->assertTrue(Str::endsWith('jason', ['on']));
        $this->assertFalse(Str::endsWith('jason', 'no'));
        $this->assertFalse(Str::endsWith('jason', ['no']));
        $this->assertFalse(Str::endsWith('jason', ''));
        $this->assertFalse(Str::endsWith('7', ' 7'));
    }

    public function testStrContains()
    {
        $this->assertTrue(Str::contains('taylor', 'ylo'));
        $this->assertTrue(Str::contains('taylor', ['ylo']));
        $this->assertFalse(Str::contains('taylor', 'xxx'));
        $this->assertFalse(Str::contains('taylor', ['xxx']));
        $this->assertFalse(Str::contains('taylor', ''));
    }

    public function testParseCallback()
    {
        $this->assertEquals(['Class', 'method'], Str::parseCallback('Class@method', 'foo'));
        $this->assertEquals(['Class', 'foo'], Str::parseCallback('Class', 'foo'));
    }

    public function testSlug()
    {
        $this->assertEquals('hello-world', Str::slug('hello world'));
        $this->assertEquals('hello-world', Str::slug('hello-world'));
        $this->assertEquals('hello-world', Str::slug('hello_world'));
        $this->assertEquals('hello_world', Str::slug('hello_world', '_'));
    }

    public function testFinish()
    {
        $this->assertEquals('abbc', Str::finish('ab', 'bc'));
        $this->assertEquals('abbc', Str::finish('abbcbc', 'bc'));
        $this->assertEquals('abcbbc', Str::finish('abcbbcbc', 'bc'));
    }

    public function testIs()
    {
        $this->assertTrue(Str::is('/', '/'));
        $this->assertFalse(Str::is('/', ' /'));
        $this->assertFalse(Str::is('/', '/a'));
        $this->assertTrue(Str::is('foo/*', 'foo/bar/baz'));
        $this->assertTrue(Str::is('*/foo', 'blah/baz/foo'));
    }

    public function testLower()
    {
        $this->assertEquals('foo bar baz', Str::lower('FOO BAR BAZ'));
        $this->assertEquals('foo bar baz', Str::lower('fOo Bar bAz'));
    }

    public function testUpper()
    {
        $this->assertEquals('FOO BAR BAZ', Str::upper('foo bar baz'));
        $this->assertEquals('FOO BAR BAZ', Str::upper('foO bAr BaZ'));
    }

    public function testLimit()
    {
        $this->assertEquals('Laravel is...', Str::limit('Laravel is a free, open source PHP web application framework.', 10));
        $this->assertEquals('这是一...', Str::limit('这是一段中文', 6));
    }

    public function testLength()
    {
        $this->assertEquals(11, Str::length('foo bar baz'));
    }

    public function testQuickRandom()
    {
        $randomInteger = random_int(1, 100);
        $this->assertEquals($randomInteger, strlen(Str::quickRandom($randomInteger)));
        $this->assertInternalType('string', Str::quickRandom());
        $this->assertEquals(16, strlen(Str::quickRandom()));
    }

    public function testRandom()
    {
        $this->assertEquals(16, strlen(Str::random()));
        $randomInteger = random_int(1, 100);
        $this->assertEquals($randomInteger, strlen(Str::random($randomInteger)));
        $this->assertInternalType('string', Str::random());
    }

    public function testSnake()
    {
        $this->assertEquals('laravel_p_h_p_framework', Str::snake('LaravelPHPFramework'));
        $this->assertEquals('laravel_php_framework', Str::snake('LaravelPhpFramework'));
        $this->assertEquals('laravel php framework', Str::snake('LaravelPhpFramework', ' '));
        $this->assertEquals('laravel_php_framework', Str::snake('Laravel Php Framework'));
        $this->assertEquals('laravel_php_framework', Str::snake('Laravel    Php      Framework   '));
    }

    public function testStudly()
    {
        $this->assertEquals('LaravelPHPFramework', Str::studly('laravel_p_h_p_framework'));
        $this->assertEquals('LaravelPhpFramework', Str::studly('laravel_php_framework'));
        $this->assertEquals('LaravelPhPFramework', Str::studly('laravel-phP-framework'));
        $this->assertEquals('LaravelPhpFramework', Str::studly('laravel  -_-  php   -_-   framework   '));
    }

    public function testCamel()
    {
        $this->assertEquals('laravelPHPFramework', Str::camel('Laravel_p_h_p_framework'));
        $this->assertEquals('laravelPhpFramework', Str::camel('Laravel_php_framework'));
        $this->assertEquals('laravelPhPFramework', Str::camel('Laravel-phP-framework'));
        $this->assertEquals('laravelPhpFramework', Str::camel('Laravel  -_-  php   -_-   framework   '));
    }

    public function testSubstr()
    {
        $this->assertEquals('Ё', Str::substr('БГДЖИЛЁ', -1));
        $this->assertEquals('ЛЁ', Str::substr('БГДЖИЛЁ', -2));
        $this->assertEquals('И', Str::substr('БГДЖИЛЁ', -3, 1));
        $this->assertEquals('ДЖИЛ', Str::substr('БГДЖИЛЁ', 2, -1));
        $this->assertEmpty(Str::substr('БГДЖИЛЁ', 4, -4));
        $this->assertEquals('ИЛ', Str::substr('БГДЖИЛЁ', -3, -1));
        $this->assertEquals('ГДЖИЛЁ', Str::substr('БГДЖИЛЁ', 1));
        $this->assertEquals('ГДЖ', Str::substr('БГДЖИЛЁ', 1, 3));
        $this->assertEquals('БГДЖ', Str::substr('БГДЖИЛЁ', 0, 4));
        $this->assertEquals('Ё', Str::substr('БГДЖИЛЁ', -1, 1));
        $this->assertEmpty(Str::substr('Б', 2));
    }

    public function testUcfirst()
    {
        $this->assertEquals('Laravel', Str::ucfirst('laravel'));
        $this->assertEquals('Laravel framework', Str::ucfirst('laravel framework'));
        $this->assertEquals('Мама', Str::ucfirst('мама'));
        $this->assertEquals('Мама мыла раму', Str::ucfirst('мама мыла раму'));
    }
}