<?php

/*
 * This file is part of the Carbon package.
 *
 * (c) Brian Nesbitt <brian@nesbot.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

use Carbon\Carbon;

class StartEndOfTest extends TestFixture
{
   public function testStartOfDay()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->startOfDay() instanceof Carbon);
      $this->assertCarbon($dt, $dt->year, $dt->month, $dt->day, 0, 0, 0);
   }
   public function testEndOfDay()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->endOfDay() instanceof Carbon);
      $this->assertCarbon($dt, $dt->year, $dt->month, $dt->day, 23, 59, 59);
   }

   public function testStartOfMonthIsFluid()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->startOfMonth() instanceof Carbon);
   }
   public function testStartOfMonthFromNow()
   {
      $dt = Carbon::now()->startOfMonth();
      $this->assertCarbon($dt, $dt->year, $dt->month, 1, 0, 0, 0);
   }
   public function testStartOfMonthFromLastDay()
   {
      $dt = Carbon::create(2000, 1, 31, 2, 3, 4)->startOfMonth();
      $this->assertCarbon($dt, 2000, 1, 1, 0, 0, 0);
   }

   public function testStartOfYearIsFluid()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->startOfYear() instanceof Carbon);
   }
   public function testStartOfYearFromNow()
   {
      $dt = Carbon::now()->startOfYear();
      $this->assertCarbon($dt, $dt->year, 1, 1, 0, 0, 0);
   }
   public function testStartOfYearFromFirstDay()
   {
      $dt = Carbon::create(2000, 1, 1, 1, 1, 1)->startOfYear();
      $this->assertCarbon($dt, 2000, 1, 1, 0, 0, 0);
   }
   public function testStartOfYearFromLastDay()
   {
      $dt = Carbon::create(2000, 12, 31, 23, 59, 59)->startOfYear();
      $this->assertCarbon($dt, 2000, 1, 1, 0, 0, 0);
   }

   public function testEndOfMonthIsFluid()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->endOfMonth() instanceof Carbon);
   }
   public function testEndOfMonth()
   {
      $dt = Carbon::create(2000, 1, 1, 2, 3, 4)->endOfMonth();
      $this->assertCarbon($dt, 2000, 1, 31, 23, 59, 59);
   }
   public function testEndOfMonthFromLastDay()
   {
      $dt = Carbon::create(2000, 1, 31, 2, 3, 4)->endOfMonth();
      $this->assertCarbon($dt, 2000, 1, 31, 23, 59, 59);
   }

   public function testEndOfYearIsFluid()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->endOfYear() instanceof Carbon);
   }
   public function testEndOfYearFromNow()
   {
      $dt = Carbon::now()->endOfYear();
      $this->assertCarbon($dt, $dt->year, 12, 31, 23, 59, 59);
   }
   public function testEndOfYearFromFirstDay()
   {
      $dt = Carbon::create(2000, 1, 1, 1, 1, 1)->endOfYear();
      $this->assertCarbon($dt, 2000, 12, 31, 23, 59, 59);
   }
   public function testEndOfYearFromLastDay()
   {
      $dt = Carbon::create(2000, 12, 31, 23, 59, 59)->endOfYear();
      $this->assertCarbon($dt, 2000, 12, 31, 23, 59, 59);
   }

   public function testStartOfDecadeIsFluid()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->startOfDecade() instanceof Carbon);
   }
   public function testStartOfDecadeFromNow()
   {
      $dt = Carbon::now()->startOfDecade();
      $this->assertCarbon($dt, $dt->year - $dt->year % 10, 1, 1, 0, 0, 0);
   }
   public function testStartOfDecadeFromFirstDay()
   {
      $dt = Carbon::create(2000, 1, 1, 1, 1, 1)->startOfDecade();
      $this->assertCarbon($dt, 2000, 1, 1, 0, 0, 0);
   }
   public function testStartOfDecadeFromLastDay()
   {
      $dt = Carbon::create(2009, 12, 31, 23, 59, 59)->startOfDecade();
      $this->assertCarbon($dt, 2000, 1, 1, 0, 0, 0);
   }

   public function testEndOfDecadeIsFluid()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->endOfDecade() instanceof Carbon);
   }
   public function testEndOfDecadeFromNow()
   {
      $dt = Carbon::now()->endOfDecade();
      $this->assertCarbon($dt, $dt->year - $dt->year % 10 + 9, 12, 31, 23, 59, 59);
   }
   public function testEndOfDecadeFromFirstDay()
   {
      $dt = Carbon::create(2000, 1, 1, 1, 1, 1)->endOfDecade();
      $this->assertCarbon($dt, 2009, 12, 31, 23, 59, 59);
   }
   public function testEndOfDecadeFromLastDay()
   {
      $dt = Carbon::create(2009, 12, 31, 23, 59, 59)->endOfDecade();
      $this->assertCarbon($dt, 2009, 12, 31, 23, 59, 59);
   }

   public function testStartOfCenturyIsFluid()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->startOfCentury() instanceof Carbon);
   }
   public function testStartOfCenturyFromNow()
   {
      $dt = Carbon::now()->startOfCentury();
      $this->assertCarbon($dt, $dt->year - $dt->year % 100, 1, 1, 0, 0, 0);
   }
   public function testStartOfCenturyFromFirstDay()
   {
      $dt = Carbon::create(2000, 1, 1, 1, 1, 1)->startOfCentury();
      $this->assertCarbon($dt, 2000, 1, 1, 0, 0, 0);
   }
   public function testStartOfCenturyFromLastDay()
   {
      $dt = Carbon::create(2009, 12, 31, 23, 59, 59)->startOfCentury();
      $this->assertCarbon($dt, 2000, 1, 1, 0, 0, 0);
   }

   public function testEndOfCenturyIsFluid()
   {
      $dt = Carbon::now();
      $this->assertTrue($dt->endOfCentury() instanceof Carbon);
   }
   public function testEndOfCenturyFromNow()
   {
      $dt = Carbon::now()->endOfCentury();
      $this->assertCarbon($dt, $dt->year - $dt->year % 100 + 99, 12, 31, 23, 59, 59);
   }
   public function testEndOfCenturyFromFirstDay()
   {
      $dt = Carbon::create(2000, 1, 1, 1, 1, 1)->endOfCentury();
      $this->assertCarbon($dt, 2099, 12, 31, 23, 59, 59);
   }
   public function testEndOfCenturyFromLastDay()
   {
      $dt = Carbon::create(2099, 12, 31, 23, 59, 59)->endOfCentury();
      $this->assertCarbon($dt, 2099, 12, 31, 23, 59, 59);
   }

   public function testAverageIsFluid()
   {
      $dt = Carbon::now()->average();
      $this->assertTrue($dt instanceof Carbon);
   }
   public function testAverageFromSame()
   {
      $dt1 = Carbon::create(2000, 1, 31, 2, 3, 4);
      $dt2 = Carbon::create(2000, 1, 31, 2, 3, 4)->average($dt1);
      $this->assertCarbon($dt2, 2000, 1, 31, 2, 3, 4);
   }
   public function testAverageFromGreater()
   {
      $dt1 = Carbon::create(2000, 1, 1, 1, 1, 1);
      $dt2 = Carbon::create(2009, 12, 31, 23, 59, 59)->average($dt1);
      $this->assertCarbon($dt2, 2004, 12, 31, 12, 30, 30);
   }
   public function testAverageFromLower()
   {
      $dt1 = Carbon::create(2009, 12, 31, 23, 59, 59);
      $dt2 = Carbon::create(2000, 1, 1, 1, 1, 1)->average($dt1);
      $this->assertCarbon($dt2, 2004, 12, 31, 12, 30, 30);
   }
}