public function testDeleteOldTrainings()
{
$svm = new CM_SVM_Model(1);
$svm->addTraining(-1, array(1 => 1.0, 2 => 0.0));
$svm->addTraining(-1, array(1 => 1.0, 2 => 0.0));
$svm->addTraining(1, array(1 => 0.0, 2 => 1.0));
$svm->addTraining(1, array(1 => 0.0, 2 => 1.0));
$svm->train();
$this->assertSame(1, $svm->predict(array(1 => 0.0, 2 => 1.0)));
$svm->addTraining(1, array(1 => 1.0, 2 => 0.0));
$svm->addTraining(-1, array(1 => 0.0, 2 => 1.0));
$svm->train();
$this->assertNotSame(-1, $svm->predict(array(1 => 0.0, 2 => 1.0)));
CM_SVM_Model::deleteOldTrainings(2);
$svm = new CM_SVM_Model(1);
$svm->train();
$this->assertSame(-1, $svm->predict(array(1 => 0.0, 2 => 1.0)));
$svm->flush();
}
