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diff --git a/src/processor/minidump_unittest.cc b/src/processor/minidump_unittest.cc
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+++ b/src/processor/minidump_unittest.cc
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+// Copyright (c) 2009, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Unit test for Minidump.  Uses a pre-generated minidump and
+// verifies that certain streams are correct.
+
+#include <cstdlib>
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <string>
+#include <vector>
+#include "breakpad_googletest_includes.h"
+#include "google_breakpad/common/minidump_format.h"
+#include "google_breakpad/processor/minidump.h"
+#include "processor/logging.h"
+
+namespace {
+
+using google_breakpad::Minidump;
+using std::ifstream;
+using std::istringstream;
+using std::string;
+using std::vector;
+using ::testing::Return;
+
+class MinidumpTest : public ::testing::Test {
+public:
+  void SetUp() {
+    minidump_file_ = string(getenv("srcdir") ? getenv("srcdir") : ".") +
+      "/src/processor/testdata/minidump2.dmp";
+  }
+  string minidump_file_;
+};
+
+TEST_F(MinidumpTest, TestMinidumpFromFile) {
+  Minidump minidump(minidump_file_);
+  ASSERT_EQ(minidump.path(), minidump_file_);
+  ASSERT_TRUE(minidump.Read());
+  const MDRawHeader* header = minidump.header();
+  ASSERT_NE(header, (MDRawHeader*)NULL);
+  ASSERT_EQ(header->signature, MD_HEADER_SIGNATURE);
+  //TODO: add more checks here
+}
+
+TEST_F(MinidumpTest, TestMinidumpFromStream) {
+  // read minidump contents into memory, construct a stringstream around them
+  ifstream file_stream(minidump_file_.c_str(), std::ios::in);
+  ASSERT_TRUE(file_stream.good());
+  vector<char> bytes;
+  file_stream.seekg(0, std::ios_base::end);
+  ASSERT_TRUE(file_stream.good());
+  bytes.resize(file_stream.tellg());
+  file_stream.seekg(0, std::ios_base::beg);
+  ASSERT_TRUE(file_stream.good());
+  file_stream.read(&bytes[0], bytes.size());
+  ASSERT_TRUE(file_stream.good());
+  string str(&bytes[0], bytes.size());
+  istringstream stream(str);
+  ASSERT_TRUE(stream.good());
+
+  // now read minidump from stringstream
+  Minidump minidump(stream);
+  ASSERT_EQ(minidump.path(), "");
+  ASSERT_TRUE(minidump.Read());
+  const MDRawHeader* header = minidump.header();
+  ASSERT_NE(header, (MDRawHeader*)NULL);
+  ASSERT_EQ(header->signature, MD_HEADER_SIGNATURE);
+  //TODO: add more checks here
+}
+
+}  // namespace
+
+int main(int argc, char* argv[]) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}