vendor/phpoffice/phpexcel/unitTests/Classes/PHPExcel/Worksheet/ColumnCellIteratorTest.php

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<?php

class ColumnCellIteratorTest extends PHPUnit_Framework_TestCase
{
    public $mockWorksheet;
    public $mockColumnCell;

	public function setUp()
	{
		if (!defined('PHPEXCEL_ROOT')) {
			define('PHPEXCEL_ROOT', APPLICATION_PATH . '/');
		}
		require_once(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
        
        $this->mockCell = $this->getMockBuilder('PHPExcel_Cell')
            ->disableOriginalConstructor()
            ->getMock();

        $this->mockWorksheet = $this->getMockBuilder('PHPExcel_Worksheet')
            ->disableOriginalConstructor()
            ->getMock();

        $this->mockWorksheet->expects($this->any())
                 ->method('getHighestRow')
                 ->will($this->returnValue(5));
        $this->mockWorksheet->expects($this->any())
                 ->method('getCellByColumnAndRow')
                 ->will($this->returnValue($this->mockCell));
    }


	public function testIteratorFullRange()
	{
        $iterator = new PHPExcel_Worksheet_ColumnCellIterator($this->mockWorksheet, 'A');
        $ColumnCellIndexResult = 1;
        $this->assertEquals($ColumnCellIndexResult, $iterator->key());
        
        foreach($iterator as $key => $ColumnCell) {
            $this->assertEquals($ColumnCellIndexResult++, $key);
            $this->assertInstanceOf('PHPExcel_Cell', $ColumnCell);
        }
	}

	public function testIteratorStartEndRange()
	{
        $iterator = new PHPExcel_Worksheet_ColumnCellIterator($this->mockWorksheet, 'A', 2, 4);
        $ColumnCellIndexResult = 2;
        $this->assertEquals($ColumnCellIndexResult, $iterator->key());
        
        foreach($iterator as $key => $ColumnCell) {
            $this->assertEquals($ColumnCellIndexResult++, $key);
            $this->assertInstanceOf('PHPExcel_Cell', $ColumnCell);
        }
	}

	public function testIteratorSeekAndPrev()
	{
        $iterator = new PHPExcel_Worksheet_ColumnCellIterator($this->mockWorksheet, 'A', 2, 4);
        $columnIndexResult = 4;
        $iterator->seek(4);