<?php

namespace Box\Spout\Common\Entity;

use PHPUnit\Framework\TestCase;

class CellTest extends TestCase
{
    /**
     * @return void
     */
    public function testValidInstance()
    {
        $this->assertInstanceOf(Cell::class, new Cell('cell'));
    }

    /**
     * @return void
     */
    public function testCellTypeNumeric()
    {
        $this->assertTrue((new Cell(0))->isNumeric());
        $this->assertTrue((new Cell(1))->isNumeric());
    }

    /**
     * @return void
     */
    public function testCellTypeString()
    {
        $this->assertTrue((new Cell('String!'))->isString());
    }

    /**
     * @return void
     */
    public function testCellTypeEmptyString()
    {
        $this->assertTrue((new Cell(''))->isEmpty());
    }

    /**
     * @return void
     */
    public function testCellTypeEmptyNull()
    {
        $this->assertTrue((new Cell(null))->isEmpty());
    }

    /**
     * @return void
     */
    public function testCellTypeBool()
    {
        $this->assertTrue((new Cell(true))->isBoolean());
        $this->assertTrue((new Cell(false))->isBoolean());
    }

    /**
     * @return void
     */
    public function testCellTypeDate()
    {
        $this->assertTrue((new Cell(new \DateTime()))->isDate());
        $this->assertTrue((new Cell(new \DateInterval('P2Y4DT6H8M')))->isDate());
    }

    /**
     * @return void
     */
    public function testCellTypeError()
    {
        $this->assertTrue((new Cell([]))->isError());
    }

    /**
     * @return void
     */
    public function testErroredCellValueShouldBeNull()
    {
        $cell = new Cell([]);
        $this->assertTrue($cell->isError());
        $this->assertNull($cell->getValue());
    }
}