diff options
Diffstat (limited to 'vendor/golang.org/x/sys/windows/syscall_test.go')
| -rw-r--r-- | vendor/golang.org/x/sys/windows/syscall_test.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/windows/syscall_test.go b/vendor/golang.org/x/sys/windows/syscall_test.go index 62588b91b..d7009e44a 100644 --- a/vendor/golang.org/x/sys/windows/syscall_test.go +++ b/vendor/golang.org/x/sys/windows/syscall_test.go @@ -7,6 +7,7 @@ package windows_test import ( + "syscall" "testing" "golang.org/x/sys/windows" @@ -31,3 +32,22 @@ func TestEnv(t *testing.T) { // 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") + } +} |