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// Copyright 2012 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 syscall_test
import (
"io/ioutil"
"os"
"path/filepath"
"syscall"
"testing"
)
func TestWin32finddata(t *testing.T) {
dir, err := ioutil.TempDir("", "go-build")
if err != nil {
t.Fatalf("failed to create temp directory: %v", err)
}
defer os.RemoveAll(dir)
path := filepath.Join(dir, "long_name.and_extension")
f, err := os.Create(path)
if err != nil {
t.Fatalf("failed to create %v: %v", path, err)
}
f.Close()
type X struct {
fd syscall.Win32finddata
got byte
pad [10]byte // to protect ourselves
}
var want byte = 2 // it is unlikely to have this character in the filename
x := X{got: want}
pathp, _ := syscall.utf16PtrFromString(path)
h, err := syscall.FindFirstFile(pathp, &(x.fd))
if err != nil {
t.Fatalf("FindFirstFile failed: %v", err)
}
err = syscall.FindClose(h)
if err != nil {
t.Fatalf("FindClose failed: %v", err)
}
if x.got != want {
t.Fatalf("memory corruption: want=%d got=%d", want, x.got)
}
}
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