add windows support

vendor/github.com/google/gopacket/time_test.go

@@ -0,0 +1,73 @@
+// Copyright 2019 The GoPacket Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree.
+
+package gopacket
+
+import (
+	"testing"
+	"time"
+)
+
+func TestToDuration(t *testing.T) {
+	for i, test := range []struct {
+		r TimestampResolution
+		d time.Duration
+	}{
+		{
+			TimestampResolutionMillisecond,
+			time.Millisecond,
+		},
+		{
+			TimestampResolutionMicrosecond,
+			time.Microsecond,
+		},
+		{
+			TimestampResolutionNanosecond,
+			time.Nanosecond,
+		},
+		{
+			TimestampResolutionNTP,
+			0, // this is not representable since it's ~0.233 nanoseconds
+		},
+		{
+			TimestampResolution{2, -16},
+			15258,
+		},
+		{
+			TimestampResolution{2, 1},
+			2 * time.Second,
+		},
+		{
+			TimestampResolution{10, 1},
+			10 * time.Second,
+		},
+		{
+			TimestampResolution{10, 0},
+			time.Second,
+		},
+		{
+			TimestampResolution{2, 0},
+			time.Second,
+		},
+		{
+			TimestampResolution{0, 0},
+			0,
+		},
+		{
+			TimestampResolution{3, 2},
+			9 * time.Second,
+		},
+		{
+			TimestampResolution{3, -2},
+			111111111,
+		},
+	} {
+		d := test.r.ToDuration()
+		if d != test.d {
+			t.Errorf("%d: resolution: %s want: %d got: %d", i, test.r, test.d, d)
+		}
+	}
+}