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// Copyright 2013 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.
// +build windows
package windows_test
import (
"syscall"
"testing"
"golang.org/x/sys/windows"
)
func testSetGetenv(t *testing.T, key, value string) {
err := windows.Setenv(key, value)
if err != nil {
t.Fatalf("Setenv failed to set %q: %v", value, err)
}
newvalue, found := windows.Getenv(key)
if !found {
t.Fatalf("Getenv failed to find %v variable (want value %q)", key, value)
}
if newvalue != value {
t.Fatalf("Getenv(%v) = %q; want %q", key, newvalue, value)
}
}
func TestEnv(t *testing.T) {
testSetGetenv(t, "TESTENV", "AVALUE")
// make sure TESTENV gets set to "", not deleted
testSetGetenv(t, "TESTENV", "")
}
func TestGetProcAddressByOrdinal(t *testing.T) {
// Attempt calling shlwapi.dll:IsOS, resolving it by ordinal, as
// suggested in
// https://msdn.microsoft.com/en-us/library/windows/desktop/bb773795.aspx
h, err := windows.LoadLibrary("shlwapi.dll")
if err != nil {
t.Fatalf("Failed to load shlwapi.dll: %s", err)
}
procIsOS, err := windows.GetProcAddressByOrdinal(h, 437)
if err != nil {
t.Fatalf("Could not find shlwapi.dll:IsOS by ordinal: %s", err)
}
const OS_NT = 1
r, _, _ := syscall.Syscall(procIsOS, 1, OS_NT, 0, 0)
if r == 0 {
t.Error("shlwapi.dll:IsOS(OS_NT) returned 0, expected non-zero value")
}
}
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