test: add WASI test for path_link()

PR-URL: #32132
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

Author: cjihrig

test/wasi/c/link.c

@@ -0,0 +1,17 @@
+#include<assert.h>
+#include<unistd.h>
+#include<sys/stat.h>
+
+#defineOLD "/sandbox/input.txt"
+#defineNEW "/tmp/output.txt"
+
+intmain() {
+structstatst_old;
+structstatst_new;
+
+assert(0==stat(OLD, &st_old));
+assert(0==link(OLD, NEW));
+assert(0==stat(NEW, &st_new));
+assert(st_old.st_ino==st_new.st_ino);
+return0;
+}

test/wasi/test-wasi.js

@@ -64,6 +64,7 @@ if (process.argv[2] === 'wasi-child') {
 runWASI({test: 'getentropy'});
 runWASI({test: 'getrusage'});
 runWASI({test: 'gettimeofday'});
+runWASI({test: 'link'});
 runWASI({test: 'main_args'});
 runWASI({test: 'notdir'});
 // runWASI({ test: 'poll' });