mirror of
https://github.com/restic/restic.git
synced 2024-08-22 12:23:29 +02:00
108 lines
2.8 KiB
Go
108 lines
2.8 KiB
Go
// 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 windows_test
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"syscall"
|
|
"testing"
|
|
"unsafe"
|
|
|
|
"golang.org/x/sys/windows"
|
|
)
|
|
|
|
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 windows.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, _ := windows.UTF16PtrFromString(path)
|
|
h, err := windows.FindFirstFile(pathp, &(x.fd))
|
|
if err != nil {
|
|
t.Fatalf("FindFirstFile failed: %v", err)
|
|
}
|
|
err = windows.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)
|
|
}
|
|
}
|
|
|
|
func TestFormatMessage(t *testing.T) {
|
|
dll := windows.MustLoadDLL("pdh.dll")
|
|
|
|
pdhOpenQuery := func(datasrc *uint16, userdata uint32, query *windows.Handle) (errno uintptr) {
|
|
r0, _, _ := syscall.Syscall(dll.MustFindProc("PdhOpenQueryW").Addr(), 3, uintptr(unsafe.Pointer(datasrc)), uintptr(userdata), uintptr(unsafe.Pointer(query)))
|
|
return r0
|
|
}
|
|
|
|
pdhCloseQuery := func(query windows.Handle) (errno uintptr) {
|
|
r0, _, _ := syscall.Syscall(dll.MustFindProc("PdhCloseQuery").Addr(), 1, uintptr(query), 0, 0)
|
|
return r0
|
|
}
|
|
|
|
var q windows.Handle
|
|
name, err := windows.UTF16PtrFromString("no_such_source")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
errno := pdhOpenQuery(name, 0, &q)
|
|
if errno == 0 {
|
|
pdhCloseQuery(q)
|
|
t.Fatal("PdhOpenQuery succeeded, but expected to fail.")
|
|
}
|
|
|
|
const flags uint32 = syscall.FORMAT_MESSAGE_FROM_HMODULE | syscall.FORMAT_MESSAGE_ARGUMENT_ARRAY | syscall.FORMAT_MESSAGE_IGNORE_INSERTS
|
|
buf := make([]uint16, 300)
|
|
_, err = windows.FormatMessage(flags, uintptr(dll.Handle), uint32(errno), 0, buf, nil)
|
|
if err != nil {
|
|
t.Fatalf("FormatMessage for handle=%x and errno=%x failed: %v", dll.Handle, errno, err)
|
|
}
|
|
}
|
|
|
|
func abort(funcname string, err error) {
|
|
panic(funcname + " failed: " + err.Error())
|
|
}
|
|
|
|
func ExampleLoadLibrary() {
|
|
h, err := windows.LoadLibrary("kernel32.dll")
|
|
if err != nil {
|
|
abort("LoadLibrary", err)
|
|
}
|
|
defer windows.FreeLibrary(h)
|
|
proc, err := windows.GetProcAddress(h, "GetVersion")
|
|
if err != nil {
|
|
abort("GetProcAddress", err)
|
|
}
|
|
r, _, _ := syscall.Syscall(uintptr(proc), 0, 0, 0, 0)
|
|
major := byte(r)
|
|
minor := uint8(r >> 8)
|
|
build := uint16(r >> 16)
|
|
print("windows version ", major, ".", minor, " (Build ", build, ")\n")
|
|
}
|