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//go:build !windows && !baremetal && !js && !wasi && !wasip1
// Copyright 2009 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"
"testing"
)
// TODO: Move this back into os_anyos_test.go when wasi supports symlink
func TestSymlink(t *testing.T) {
//testenv.MustHaveSymlink(t)
defer chtmpdir(t)()
from, to := "symlinktestfrom", "symlinktestto"
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 = Symlink(to, from)
if err != nil {
t.Fatalf("Symlink(%q, %q) failed: %v", to, from, err)
}
tostat, err := Lstat(to)
if err != nil {
t.Fatalf("Lstat(%q) failed: %v", to, err)
}
if tostat.Mode()&ModeSymlink != 0 {
t.Fatalf("Lstat(%q).Mode()&ModeSymlink = %v, want 0", to, tostat.Mode()&ModeSymlink)
}
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 fromstat.Mode()&ModeSymlink == 0 {
t.Fatalf("Lstat(%q).Mode()&ModeSymlink = 0, want %v", from, ModeSymlink)
}
fromstat, err = Stat(from)
if err != nil {
t.Fatalf("Stat(%q) failed: %v", from, err)
}
if fromstat.Name() != from {
t.Errorf("Stat(%q).Name() = %q, want %q", from, fromstat.Name(), from)
}
if fromstat.Mode()&ModeSymlink != 0 {
t.Fatalf("Stat(%q).Mode()&ModeSymlink = %v, want 0", from, fromstat.Mode()&ModeSymlink)
}
s, err := Readlink(from)
if err != nil {
t.Fatalf("Readlink(%q) failed: %v", from, err)
}
if s != to {
t.Fatalf("Readlink(%q) = %q, want %q", from, s, to)
}
file, err = Open(from)
if err != nil {
t.Fatalf("Open(%q) failed: %v", from, err)
}
file.Close()
}
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