Reuters reports Australia will institute an "Australian values" test for citizenship, in addition to an increased ability to speak English and four years of residency. They already have a test of basic civics. Hat tip to Drudge Report for the link.
President Trump would do well to add an "American values" test to his "extreme vetting" package for people coming to the U.S. or for those seeking citizenship. I understand people can lie on such a test, probably will.
At least it puts them on notice about what behaviors we don't handle: female genital mutilation, pedophilia, spousal and child abuse, bigamy, involuntary servitude. And those we require tolerating: religious coexistance, same sex partners, etc. Basing the test on our laws, which require certain things and ban others, would be the surest way to capture our values.