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net/quic/crypto/null_decrypter_test.cc

Index: net/quic/crypto/null_decrypter_test.cc
diff --git a/net/quic/crypto/null_decrypter_test.cc b/net/quic/crypto/null_decrypter_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6c914d7fea0e9190c70901a08576bb22391318aa
--- /dev/null
+++ b/net/quic/crypto/null_decrypter_test.cc
@@ -0,0 +1,77 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/quic/crypto/null_decrypter.h"
+#include "net/quic/test_tools/quic_test_utils.h"
+
+using base::StringPiece;
+
+namespace net {
+
+namespace test {
+
+TEST(NullDecrypterTest, Decrypt) {
+  unsigned char expected[] = {
+    // fnv hash
+    0x07, 0x2d, 0x42, 0xf0,
+    0xbe, 0x69, 0x12, 0x3d,
+    0x20, 0x80, 0x5f, 0x9a,
+    0x84, 0x9d, 0xd6, 0x0a,
+    /* TODO(rch): replace this when uint128 multiplication is implemented.
+    0x47, 0x11, 0xea, 0x5f,
+    0xcf, 0x1d, 0x66, 0x5b,
+    0xba, 0xf0, 0xbc, 0xfd,
+    0x88, 0x79, 0xca, 0x37,
+    */
+    // payload
+    'g',  'o',  'o',  'd',
+    'b',  'y',  'e',  '!',
+  };
+  NullDecrypter decrypter;
+  scoped_ptr<QuicData> decrypted(
+      decrypter.Decrypt("hello world!",
+                        StringPiece(reinterpret_cast<const char*>(expected),
+                                    arraysize(expected))));
+  ASSERT_TRUE(decrypted.get());
+  EXPECT_EQ("goodbye!", decrypted->AsStringPiece());
+}
+
+TEST(NullDecrypterTest, BadHash) {
+  unsigned char expected[] = {
+    // fnv hash
+    0x46, 0x11, 0xea, 0x5f,
+    0xcf, 0x1d, 0x66, 0x5b,
+    0xba, 0xf0, 0xbc, 0xfd,
+    0x88, 0x79, 0xca, 0x37,
+    // payload
+    'g',  'o',  'o',  'd',
+    'b',  'y',  'e',  '!',
+  };
+  NullDecrypter decrypter;
+  scoped_ptr<QuicData> decrypted(
+      decrypter.Decrypt("hello world!",
+                        StringPiece(reinterpret_cast<const char*>(expected),
+                                    arraysize(expected))));
+  ASSERT_FALSE(decrypted.get());
+}
+
+TEST(NullDecrypterTest, ShortInput) {
+  unsigned char expected[] = {
+    // fnv hash (truncated)
+    0x46, 0x11, 0xea, 0x5f,
+    0xcf, 0x1d, 0x66, 0x5b,
+    0xba, 0xf0, 0xbc, 0xfd,
+    0x88, 0x79, 0xca,
+  };
+  NullDecrypter decrypter;
+  scoped_ptr<QuicData> decrypted(
+      decrypter.Decrypt("hello world!",
+                        StringPiece(reinterpret_cast<const char*>(expected),
+                                    arraysize(expected))));
+  ASSERT_FALSE(decrypted.get());
+}
+
+}  // namespace test
+
+}  // namespace net