public function testPropertyChangeNotifications()
{
$property = "";
$oldForename1 = "";
$newForename1 = "";
$example = new ModelState();
$example->Forename = "Ryan";
$example->addPropertyChangedNotificationHandler("Forename", function ($newValue, $propertyName, $oldValue) use(&$property, &$oldForename1, &$newForename1) {
$property = $propertyName;
$oldForename1 = $oldValue;
$newForename1 = $newValue;
});
$example->Forename = "Bert";
$this->assertEquals("Forename", $property);
$this->assertEquals("Ryan", $oldForename1);
$this->assertEquals("Bert", $newForename1);
$example->Surname = "Kilfedder";
$this->assertNotEquals("Kilfedder", $newForename1);
$oldForename2 = "";
$newForename2 = "";
$example->addPropertyChangedNotificationHandler("Forename", function ($new, $propertyName, $old) use(&$oldForename2, &$newForename2) {
$oldForename2 = $old;
$newForename2 = $new;
});
$example->Forename = "Alan";
$this->assertEquals("Alan", $newForename1);
$this->assertEquals("Alan", $newForename2);
$oldSurname = "";
$newSurname = "";
$example->addPropertyChangedNotificationHandler("Surname", function ($new, $propertyName, $old) use(&$oldSurname, &$newSurname) {
$oldSurname = $old;
$newSurname = $new;
});
$example->Surname = "Smythe";
$this->assertEquals("Kilfedder", $oldSurname);
$this->assertEquals("Smythe", $newSurname);
$example->addPropertyChangedNotificationHandler("Surname", function ($new, $propertyName, $old) use(&$oldSurname, &$newSurname) {
$this->fail("This shouldn't have run because old is the same as new");
});
$example->Surname = "Smythe";
$hit1 = false;
$hit2 = false;
$example = new ModelState();
$example->Forename = "Forename";
$example->Surname = "Surname";
$example->addPropertyChangedNotificationHandler(["Forename", "Surname"], function ($new, $propertyName, $old) use(&$hit1, &$hit2) {
if ($propertyName == "Forename") {
$hit1 = $new;
}
if ($propertyName == "Surname") {
$hit2 = $new;
}
});
$example->Forename = "Bert";
$example->Surname = "Smith";
$this->assertEquals("Bert", $hit1);
$this->assertEquals("Smith", $hit2);
}
