/**
* Tests using Data\DataSet in a foreach statement.
*
* @return void
*
* @coversNothing Integration test.
* @since 1.0
*/
public function test_foreach()
{
// Test multi-item list.
$tests = array();
foreach ($this->instance as $key => $object) {
$tests[] = $object->mission;
}
$this->assertEquals(array(null, 'Vostok 1'), $tests);
// Tests single item list.
$this->instance->clear();
$this->instance['1'] = new Data\DataObject();
$runs = 0;
foreach ($this->instance as $key => $object) {
$runs++;
}
$this->assertEquals(1, $runs);
// Exhaustively testing unsetting within a foreach.
$this->instance['2'] = new Data\DataObject();
$this->instance['3'] = new Data\DataObject();
$this->instance['4'] = new Data\DataObject();
$this->instance['5'] = new Data\DataObject();
$runs = 0;
foreach ($this->instance as $k => $v) {
$runs++;
if ($k != 3) {
unset($this->instance[$k]);
}
}
$this->assertFalse($this->instance->offsetExists(1), 'Index 1 should have been unset.');
$this->assertFalse($this->instance->offsetExists(2), 'Index 2 should have been unset.');
$this->assertTrue($this->instance->offsetExists(3), 'Index 3 should be set.');
$this->assertFalse($this->instance->offsetExists(4), 'Index 4 should have been unset.');
$this->assertFalse($this->instance->offsetExists(5), 'Index 5 should have been unset.');
$this->assertCount(1, $this->instance);
$this->assertEquals(5, $runs, 'Oops, the foreach ran too many times.');
}
