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<?php
namespace GuzzleHttp\Tests\Ring\Future;
use GuzzleHttp\Ring\Future\FutureArray;
use React\Promise\Deferred;
class FutureArrayTest extends \PHPUnit_Framework_TestCase
{
public function testLazilyCallsDeref()
{
$c = false;
$deferred = new Deferred();
$f = new FutureArray(
$deferred->promise(),
function () use (&$c, $deferred) {
$c = true;
$deferred->resolve(['status' => 200]);
}
);
$this->assertFalse($c);
$this->assertFalse($this->readAttribute($f, 'isRealized'));
$this->assertEquals(200, $f['status']);
$this->assertTrue($c);
}
public function testActsLikeArray()
{
$deferred = new Deferred();
$f = new FutureArray(
$deferred->promise(),
function () use (&$c, $deferred) {
$deferred->resolve(['status' => 200]);
}
);
$this->assertTrue(isset($f['status']));
$this->assertEquals(200, $f['status']);
$this->assertEquals(['status' => 200], $f->wait());
$this->assertEquals(1, count($f));
$f['baz'] = 10;
$this->assertEquals(10, $f['baz']);
unset($f['baz']);
$this->assertFalse(isset($f['baz']));
$this->assertEquals(['status' => 200], iterator_to_array($f));
}
/**
* @expectedException \RuntimeException
*/
public function testThrowsWhenAccessingInvalidProperty()
{
$deferred = new Deferred();
$f = new FutureArray($deferred->promise(), function () {});
$f->foo;
}
}
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