<?php

use Intervention\Image\Animation;

class AnimationTest extends PHPUnit_Framework_TestCase

{

public function tearDown()

{

Mockery::close();

}

public function testConstructor()

{

$animation = new Animation;

$this->assertInstanceOf('Intervention\Image\Animation', $animation);

$this->assertNull($animation->loops);

}

public function testConstructorWithParameters()

{

$animation = new Animation(12);

$this->assertInstanceOf('Intervention\Image\Animation', $animation);

$this->assertEquals(12, $animation->loops);

}

public function testIterate()

{

$frame = Mockery::mock('Intervention\Image\Frame');

$animation = new Animation;

$animation->addFrame($frame);

$animation->addFrame($frame);

$animation->addFrame($frame);

$counter = 0;

foreach ($animation as $frame) {

$counter++;

}

$this->assertEquals(3, $counter);

}

public function testSetLoops()

{

$animation = new Animation(12);

$animation->setLoops(13);

$this->assertEquals(13, $animation->loops);

}

public function testAddFrame()

{

$frame = Mockery::mock('Intervention\Image\Frame');

$animation = new Animation;

$animation->addFrame($frame);

$this->assertHasFrames(1, $animation);

$animation->addFrame($frame);

$this->assertHasFrames(2, $animation);

}

public function testAddFrames()

{

$frame = Mockery::mock('Intervention\Image\Frame');

$animation = new Animation;

$animation->addFrames(array($frame, $frame));

$this->assertHasFrames(2, $animation);

$animation->addFrames(array($frame, $frame, $frame));

$this->assertHasFrames(5, $animation);

$animation->addFrames(array($frame, $frame));

$this->assertHasFrames(7, $animation);

}

public function testSetFrames()

{

$frame = Mockery::mock('Intervention\Image\Frame');

$animation = new Animation;

$animation->setFrames(array($frame, $frame, $frame));

$this->assertHasFrames(3, $animation);

}

public function testGetFrames()

{

$animation = new Animation;

$this->assertEquals(array(), $animation->getFrames());

}

private function assertHasFrames($number, $animation)

{

$this->assertEquals($number, count($animation->getFrames()));

}

}