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<?php
require_once dirname(__FILE__).'/../phpunit.php';
Prado::using('System.Collections.TQueue');
/**
* @package System.Collections
*/
class TQueueTest extends PHPUnit_Framework_TestCase {
public function setUp() {
}
public function tearDown() {
}
public function testConstruct() {
$queue = new TQueue();
self::assertEquals(array(), $queue->toArray());
$queue = new TQueue(array(1, 2, 3));
self::assertEquals(array(1, 2, 3), $queue->toArray());
}
public function testToArray() {
$queue = new TQueue(array(1, 2, 3));
self::assertEquals(array(1, 2, 3), $queue->toArray());
}
public function testCopyFrom() {
$queue = new TQueue(array(1, 2, 3));
$data = array(4, 5, 6);
$queue->copyFrom($data);
self::assertEquals(array(4, 5, 6), $queue->toArray());
}
public function testCanNotCopyFromNonTraversableTypes() {
$queue = new TQueue();
$data = new stdClass();
try {
$queue->copyFrom($data);
} catch(TInvalidDataTypeException $e) {
return;
}
self::fail('An expected TInvalidDataTypeException was not raised');
}
public function testClear() {
$queue = new TQueue(array(1, 2, 3));
$queue->clear();
self::assertEquals(array(), $queue->toArray());
}
public function testContains() {
$queue = new TQueue(array(1, 2, 3));
self::assertEquals(true, $queue->contains(2));
self::assertEquals(false, $queue->contains(4));
}
public function testPeek() {
$queue = new TQueue(array(1));
self::assertEquals(1, $queue->peek());
}
public function testCanNotPeekAnEmptyQueue() {
$queue = new TQueue();
try {
$item = $queue->peek();
} catch(TInvalidOperationException $e) {
return;
}
self::fail('An expected TInvalidOperationException was not raised');
}
public function testDequeue() {
$queue = new TQueue(array(1, 2, 3));
$first = $queue->dequeue();
self::assertEquals(1, $first);
self::assertEquals(array(2, 3), $queue->toArray());
}
public function testCanNotDequeueAnEmptyQueue() {
$queue = new TQueue();
try {
$item = $queue->dequeue();
} catch(TInvalidOperationException $e) {
return;
}
self::fail('An expected TInvalidOperationException was not raised');
}
public function testEnqueue() {
$queue = new TQueue();
$queue->enqueue(1);
self::assertEquals(array(1), $queue->toArray());
}
public function testGetIterator() {
$queue = new TQueue(array(1, 2));
self::assertType('ArrayIterator', $queue->getIterator());
$n = 0;
$found = 0;
foreach($queue as $index => $item) {
foreach($queue as $a => $b); // test of iterator
$n++;
if($index === 0 && $item === 1) {
$found++;
}
if($index === 1 && $item === 2) {
$found++;
}
}
self::assertTrue($n == 2 && $found == 2);
}
public function testGetCount() {
$queue = new TQueue();
self::assertEquals(0, $queue->getCount());
$queue = new TQueue(array(1, 2, 3));
self::assertEquals(3, $queue->getCount());
}
public function testCountable() {
$queue = new TQueue();
self::assertEquals(0, count($queue));
$queue = new TQueue(array(1, 2, 3));
self::assertEquals(3, count($queue));
}
}
?>
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