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diff --git a/src/ceph/src/test/mime.cc b/src/ceph/src/test/mime.cc
new file mode 100644
index 0000000..29c73e5
--- /dev/null
+++ b/src/ceph/src/test/mime.cc
@@ -0,0 +1,150 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+#include "common/mime.h"
+#include "gtest/gtest.h"
+
+#include <stdint.h>
+#include <string>
+
+using std::string;
+
+TEST(MimeTests, SimpleEncode) {
+  char output[256];
+  memset(output, 0, sizeof(output));
+  int len;
+
+  len = mime_encode_as_qp("abc", NULL, 0);
+  ASSERT_EQ(len, 4);
+  len = mime_encode_as_qp("abc", output, 4);
+  ASSERT_EQ(len, 4);
+  ASSERT_EQ(string("abc"), string(output));
+
+  len = mime_encode_as_qp("a=b", NULL, 0);
+  ASSERT_EQ(len, 6);
+  len = mime_encode_as_qp("a=b", output, 6);
+  ASSERT_EQ(len, 6);
+  ASSERT_EQ(string("a=3Db"), string(output));
+
+  len = mime_encode_as_qp("Libert\xc3\xa9", NULL, 0);
+  ASSERT_EQ(len, 13);
+  len = mime_encode_as_qp("Libert\xc3\xa9", output, 13);
+  ASSERT_EQ(len, 13);
+  ASSERT_EQ(string("Libert=C3=A9"), string(output));
+}
+
+TEST(MimeTests, EncodeOutOfSpace) {
+  char output[256];
+  memset(output, 0, sizeof(output));
+  int len;
+
+  len = mime_encode_as_qp("abcdefg", NULL, 0);
+  ASSERT_EQ(len, 8);
+  len = mime_encode_as_qp("abcdefg", output, 4);
+  ASSERT_EQ(len, 8);
+  ASSERT_EQ(string("abc"), string(output));
+  len = mime_encode_as_qp("abcdefg", output, 1);
+  ASSERT_EQ(len, 8);
+  ASSERT_EQ(string(""), string(output));
+
+  len = mime_encode_as_qp("a=b", output, 2);
+  ASSERT_EQ(len, 6);
+  ASSERT_EQ(string("a"), string(output));
+  len = mime_encode_as_qp("a=b", output, 3);
+  ASSERT_EQ(len, 6);
+  ASSERT_EQ(string("a"), string(output));
+}
+
+TEST(MimeTests, SimpleDecode) {
+  char output[256];
+  memset(output, 0, sizeof(output));
+  int len;
+
+  len = mime_decode_from_qp("abc", NULL, 0);
+  ASSERT_EQ(len, 4);
+  len = mime_decode_from_qp("abc", output, 4);
+  ASSERT_EQ(len, 4);
+  ASSERT_EQ(string("abc"), string(output));
+
+  len = mime_decode_from_qp("a=3Db", NULL, 0);
+  ASSERT_EQ(len, 4);
+  len = mime_decode_from_qp("a=3Db", output, 4);
+  ASSERT_EQ(len, 4);
+  ASSERT_EQ(string("a=b"), string(output));
+
+  len = mime_decode_from_qp("Libert=C3=A9", NULL, 0);
+  ASSERT_EQ(len, 9);
+  len = mime_decode_from_qp("Libert=C3=A9", output, 9);
+  ASSERT_EQ(len, 9);
+  ASSERT_EQ(string("Libert\xc3\xa9"), string(output));
+}
+
+TEST(MimeTests, LowercaseDecode) {
+  char output[256];
+  memset(output, 0, sizeof(output));
+  int len;
+
+  len = mime_decode_from_qp("Libert=c3=a9", NULL, 0);
+  ASSERT_EQ(len, 9);
+  len = mime_decode_from_qp("Libert=c3=a9", output, 9);
+  ASSERT_EQ(len, 9);
+  ASSERT_EQ(string("Libert\xc3\xa9"), string(output));
+}
+
+TEST(MimeTests, DecodeOutOfSpace) {
+  char output[256];
+  memset(output, 0, sizeof(output));
+  int len;
+
+  len = mime_decode_from_qp("abcdefg", NULL, 0);
+  ASSERT_EQ(len, 8);
+  len = mime_decode_from_qp("abcdefg", output, 4);
+  ASSERT_EQ(len, 8);
+  ASSERT_EQ(string("abc"), string(output));
+  len = mime_decode_from_qp("abcdefg", output, 1);
+  ASSERT_EQ(len, 8);
+  ASSERT_EQ(string(""), string(output));
+
+  len = mime_decode_from_qp("a=3Db", output, 2);
+  ASSERT_EQ(len, 4);
+  ASSERT_EQ(string("a"), string(output));
+  len = mime_decode_from_qp("a=3Db", output, 3);
+  ASSERT_EQ(len, 4);
+  ASSERT_EQ(string("a="), string(output));
+}
+
+TEST(MimeTests, DecodeErrors) {
+  char output[128];
+  memset(output, 0, sizeof(output));
+  int len;
+
+  // incomplete escape sequence
+  len = mime_decode_from_qp("boo=", output, sizeof(output));
+  ASSERT_LT(len, 0);
+
+  // invalid escape sequences
+  len = mime_decode_from_qp("boo=gg", output, sizeof(output));
+  ASSERT_LT(len, 0);
+  len = mime_decode_from_qp("boo=g", output, sizeof(output));
+  ASSERT_LT(len, 0);
+  len = mime_decode_from_qp("boo==", output, sizeof(output));
+  ASSERT_LT(len, 0);
+  len = mime_decode_from_qp("boo=44bar=z", output, sizeof(output));
+  ASSERT_LT(len, 0);
+
+  // high bit should not be set in quoted-printable mime output
+  unsigned char bad_input2[] = { 0x81, 0x6a, 0x0 };
+  len = mime_decode_from_qp(reinterpret_cast<const char*>(bad_input2),
+			    output, sizeof(output));
+  ASSERT_LT(len, 0);
+}