1 /* $NetBSD: msg_243.c,v 1.4 2022/06/22 19:23:18 rillig Exp $ */ 2 # 3 "msg_243.c" 3 4 // Test for message: dubious comparison of enums, op '%s' [243] 5 6 /* lint1-extra-flags: -eP */ 7 8 enum color { 9 RED, GREEN, BLUE 10 }; 11 12 void eval(_Bool); 13 14 /* TODO: There should be a way to declare an enum type as "ordered ok". */ 15 16 void 17 example(enum color a, enum color b) 18 { 19 /* expect+1: warning: dubious comparison of enums, op '<' [243] */ 20 eval(a < b); 21 /* expect+1: warning: dubious comparison of enums, op '<=' [243] */ 22 eval(a <= b); 23 /* expect+1: warning: dubious comparison of enums, op '>' [243] */ 24 eval(a > b); 25 /* expect+1: warning: dubious comparison of enums, op '>=' [243] */ 26 eval(a >= b); 27 eval(a == b); 28 eval(a != b); 29 } 30