wasi: add __wasi_fd_filestat_set_times() test

PR-URL: #34623 Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Jiawen Geng <[email protected]> Reviewed-By: David Carlier <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: cjihrig

test/wasi/c/stat.c

@@ -11,6 +11,7 @@
 #defineSIZE 500
 
 intmain(void){
+structtimespectimes[2];
 structstatst;
 intfd;
 intret;
@@ -33,6 +34,15 @@ int main(void){
 assert(ret==0);
 assert(st.st_size==SIZE);
 
+times[0].tv_sec=4;
+times[0].tv_nsec=0;
+times[1].tv_sec=9;
+times[1].tv_nsec=0;
+assert(0==futimens(fd, times));
+assert(0==fstat(fd, &st));
+assert(4==st.st_atime);
+assert(9==st.st_mtime);
+
 ret=close(fd);
 assert(ret==0);