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Diffstat (limited to 'vendor/golang.org/x/sys/windows/syscall_windows_test.go')
-rw-r--r--vendor/golang.org/x/sys/windows/syscall_windows_test.go107
1 files changed, 107 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/windows/syscall_windows_test.go b/vendor/golang.org/x/sys/windows/syscall_windows_test.go
new file mode 100644
index 0000000..0f73c11
--- /dev/null
+++ b/vendor/golang.org/x/sys/windows/syscall_windows_test.go
@@ -0,0 +1,107 @@
+// 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.Fatal("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")
+}