/**
* Validate changes to this gauge
* Attempts to generate an imperial width if a metric width is present
*
* @since Version 3.9.1
* @throws \Exception if $this->name is empty
* @throws \Exception if $this->width_metric is empty
* @throws \Exception if $this->width_imperial is empty
*/
private function validate()
{
if (empty($this->name)) {
throw new Exception("Name cannot be empty");
}
if (empty($this->width_metric)) {
throw new Exception("Metric gauge width cannot be empty");
}
if (substr($this->width_metric, -2) != "mm") {
$this->width_metric .= "mm";
}
if (empty($this->width_imperial) && !empty($this->width_metric)) {
$width = Locos::convert_to_inches($this->width_metric);
if (isset($width['ft']) && filter_var($width['ft'], FILTER_VALIDATE_INT) && $width['ft'] != 0) {
$this->width_imperial = sprintf("%d' ", $width['ft']);
}
if (isset($width['in']) && filter_var($width['in'], FILTER_VALIDATE_INT) && $width['in'] != 0) {
$this->width_imperial = sprintf("%s%d\"", $this->width_imperial, $width['in']);
}
$this->width_imperial = trim($this->width_imperial);
}
if (empty($this->width_imperial)) {
throw new Exception("Could not create an imperial width for this gauge");
}
if (empty($this->slug)) {
$this->createSlug();
}
return true;
}
public function test_measurements()
{
$Locos = new Locos();
$cm = 160;
$imp = $Locos->convert_to_inches($cm);
$this->assertEquals("5 foot 3 inches", sprintf("%d foot %d inches", $imp['ft'], $imp['in']));
$this->assertEquals($cm, $Locos->convert_to_cm(5, 3));
}
