diff options
author | Kali Kaneko (leap communications) <kali@leap.se> | 2019-01-12 18:39:45 +0100 |
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committer | Ruben Pollan <meskio@sindominio.net> | 2019-01-17 12:30:32 +0100 |
commit | b1247d2d0d51108c910a73891ff3116e5f032ab1 (patch) | |
tree | e9948964f0bfb1ad2df3bc7bad02aa1f41ccfbd8 /vendor/golang.org/x/sys/windows/syscall_windows_test.go | |
parent | efcb8312e31b5c2261b1a1e95ace55b322cfcc27 (diff) |
[pkg] all your deps are vendored to us
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.go | 107 |
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..9c7133c --- /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.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") +} |