1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <string.h> 4 int main () 5 { 6 int t; 7 char foo[3] = { 'b', 'c', 'd' }; 8 int bar[3] = {1, 2, 0}; 9 t = 1; 10 11 /* These tests check expression evaluation rules, such as 12 ensuring that side-effect expression (++) get executed the 13 right number of times; that array lookup checks nest correctly. */ 14 foo[t++] = 'a'; 15 if (foo[0] != 'b' || foo[1] != 'a' || foo[2] != 'd' || t != 2) abort (); 16 if (bar[0] != 1 || bar[1] != 2 || bar[2] != 0) abort(); 17 18 foo[bar[t--]] = 'e'; 19 if (foo[0] != 'e' || foo[1] != 'a' || foo[2] != 'd' || t != 1) abort (); 20 if (bar[0] != 1 || bar[1] != 2 || bar[2] != 0) abort(); 21 22 foo[bar[++t]--] = 'g'; 23 if (foo[0] != 'g' || foo[1] != 'a' || foo[2] != 'd' || t != 2) abort (); 24 if (bar[0] != 1 || bar[1] != 2 || bar[2] != -1) abort(); 25 26 return 0; 27 } 28