/**
* @depends testPushOne
*/
function testPeekOne()
{
$stack = new LinkedStack();
$stack->push(1);
$item = $stack->last();
$this->assertEquals(1, $item);
$this->assertFalse($stack->isEmpty());
$this->assertCount(1, $stack);
}
/**
* @expectedException \Collections\EmptyException
*/
function testPeekEmpty()
{
$stack = new LinkedStack();
$stack->last();
}