github.com/gogf/gkafka@v1.0.1-0.20190702070843-033a14468069/third/golang.org/x/sys/windows/syscall_windows_test.go (about)

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package windows_test
     6  
     7  import (
     8  	"io/ioutil"
     9  	"os"
    10  	"path/filepath"
    11  	"syscall"
    12  	"testing"
    13  
    14  	"github.com/gogf/gkafka/third/golang.org/x/sys/windows"
    15  )
    16  
    17  func TestWin32finddata(t *testing.T) {
    18  	dir, err := ioutil.TempDir("", "go-build")
    19  	if err != nil {
    20  		t.Fatalf("failed to create temp directory: %v", err)
    21  	}
    22  	defer os.RemoveAll(dir)
    23  
    24  	path := filepath.Join(dir, "long_name.and_extension")
    25  	f, err := os.Create(path)
    26  	if err != nil {
    27  		t.Fatalf("failed to create %v: %v", path, err)
    28  	}
    29  	f.Close()
    30  
    31  	type X struct {
    32  		fd  windows.Win32finddata
    33  		got byte
    34  		pad [10]byte // to protect ourselves
    35  
    36  	}
    37  	var want byte = 2 // it is unlikely to have this character in the filename
    38  	x := X{got: want}
    39  
    40  	pathp, _ := windows.UTF16PtrFromString(path)
    41  	h, err := windows.FindFirstFile(pathp, &(x.fd))
    42  	if err != nil {
    43  		t.Fatalf("FindFirstFile failed: %v", err)
    44  	}
    45  	err = windows.FindClose(h)
    46  	if err != nil {
    47  		t.Fatalf("FindClose failed: %v", err)
    48  	}
    49  
    50  	if x.got != want {
    51  		t.Fatalf("memory corruption: want=%d got=%d", want, x.got)
    52  	}
    53  }
    54  
    55  func TestFormatMessage(t *testing.T) {
    56  	dll := windows.MustLoadDLL("netevent.dll")
    57  
    58  	const TITLE_SC_MESSAGE_BOX uint32 = 0xC0001B75
    59  	const flags uint32 = syscall.FORMAT_MESSAGE_FROM_HMODULE | syscall.FORMAT_MESSAGE_ARGUMENT_ARRAY | syscall.FORMAT_MESSAGE_IGNORE_INSERTS
    60  	buf := make([]uint16, 300)
    61  	_, err := windows.FormatMessage(flags, uintptr(dll.Handle), TITLE_SC_MESSAGE_BOX, 0, buf, nil)
    62  	if err != nil {
    63  		t.Fatalf("FormatMessage for handle=%x and errno=%x failed: %v", dll.Handle, TITLE_SC_MESSAGE_BOX, err)
    64  	}
    65  }
    66  
    67  func abort(funcname string, err error) {
    68  	panic(funcname + " failed: " + err.Error())
    69  }
    70  
    71  func ExampleLoadLibrary() {
    72  	h, err := windows.LoadLibrary("kernel32.dll")
    73  	if err != nil {
    74  		abort("LoadLibrary", err)
    75  	}
    76  	defer windows.FreeLibrary(h)
    77  	proc, err := windows.GetProcAddress(h, "GetVersion")
    78  	if err != nil {
    79  		abort("GetProcAddress", err)
    80  	}
    81  	r, _, _ := syscall.Syscall(uintptr(proc), 0, 0, 0, 0)
    82  	major := byte(r)
    83  	minor := uint8(r >> 8)
    84  	build := uint16(r >> 16)
    85  	print("windows version ", major, ".", minor, " (Build ", build, ")\n")
    86  }
    87  
    88  func TestTOKEN_ALL_ACCESS(t *testing.T) {
    89  	if windows.TOKEN_ALL_ACCESS != 0xF01FF {
    90  		t.Errorf("TOKEN_ALL_ACCESS = %x, want 0xF01FF", windows.TOKEN_ALL_ACCESS)
    91  	}
    92  }