Implement FingerprintClientHello to generate ClientHelloSpec from ClientHello raw bytes (#67)

u_common_test.go

@@ -0,0 +1,33 @@
+// Copyright 2017 Google Inc. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package tls
+
+import (
+	"testing"
+)
+
+func TestUTLSIsGrease(t *testing.T) {
+
+	var testMap = []struct {
+		version  uint16
+		isGREASE bool
+	}{
+		{0x0a0a, true},
+		{0x1a1a, true},
+		{0x2a1a, false},
+		{0x2a2a, true},
+		{0x1234, false},
+		{0x1a2a, false},
+		{0xdeed, false},
+		{0xb1b1, false},
+		{0x0b0b, false},
+	}
+
+	for _, testCase := range testMap {
+		if isGREASEUint16(testCase.version) != testCase.isGREASE {
+			t.Errorf("misidentified GREASE: testing %x, isGREASE: %v", testCase.version, isGREASEUint16(testCase.version))
+		}
+	}
+}