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//go:build !windows && !baremetal && !js && !wasip1 && !wasm_unknown
// Copyright 2024 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os_test
import (
. "os"
"syscall"
"testing"
)
func TestHardlink(t *testing.T) {
defer chtmpdir(t)()
from, to := "hardlinktestfrom", "hardlinktestto"
file, err := Create(to)
if err != nil {
t.Fatalf("Create(%q) failed: %v", to, err)
}
if err = file.Close(); err != nil {
t.Errorf("Close(%q) failed: %v", to, err)
}
err = Link(to, from)
if err != nil {
t.Fatalf("Link(%q, %q) failed: %v", to, from, err)
}
tostat, err := Lstat(to)
if err != nil {
t.Fatalf("Lstat(%q) failed: %v", to, err)
}
fromstat, err := Stat(from)
if err != nil {
t.Fatalf("Stat(%q) failed: %v", from, err)
}
if !SameFile(tostat, fromstat) {
t.Errorf("Symlink(%q, %q) did not create symlink", to, from)
}
fromstat, err = Lstat(from)
if err != nil {
t.Fatalf("Lstat(%q) failed: %v", from, err)
}
// if they have the same inode, they are hard links
if fromstat.Sys().(*syscall.Stat_t).Ino != tostat.Sys().(*syscall.Stat_t).Ino {
t.Fatalf("Lstat(%q).Sys().Ino = %v, Lstat(%q).Sys().Ino = %v, want the same", to, tostat.Sys().(*syscall.Stat_t).Ino, from, fromstat.Sys().(*syscall.Stat_t).Ino)
}
file.Close()
}
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