void () { // see http://developer.apple.com/library/mac/#documentation/Carbon/Reference/Gestalt_Manager/Reference/reference.html#//apple_ref/doc/uid/TP30000036-CH1g-F01632 // System Version Selectors assertVersions("1.1.1", "0111", "0110", "0101"); assertVersions("10.5.2", "1052", "1050", "0502"); assertVersions("10.15.15", "1099", "1090", "1515"); assertVersions("", "0000", "0000", "0000"); assertVersions("1.2", "0120", "0120", "0200"); assertVersions("1.2.3.4", "0123", "0120", "0203"); assertVersions("a.b.c", "0000", "0000", "0000"); }