diff options
Diffstat (limited to 'src/syscall/syscall_windows_test.go')
-rw-r--r-- | src/syscall/syscall_windows_test.go | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/syscall/syscall_windows_test.go b/src/syscall/syscall_windows_test.go new file mode 100644 index 000000000..86842f2ad --- /dev/null +++ b/src/syscall/syscall_windows_test.go @@ -0,0 +1,72 @@ +// 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) + } +} + +func abort(funcname string, err error) { + panic(funcname + " failed: " + err.Error()) +} + +func ExampleLoadLibrary() { + h, err := syscall.LoadLibrary("kernel32.dll") + if err != nil { + abort("LoadLibrary", err) + } + defer syscall.FreeLibrary(h) + proc, err := syscall.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") +} |