diff --git a/lib/cpp/test/Makefile.am b/lib/cpp/test/Makefile.am
index 33b7481..1fadff3 100644
--- a/lib/cpp/test/Makefile.am
+++ b/lib/cpp/test/Makefile.am
@@ -51,6 +51,7 @@
 	AllProtocolsTest \
 	TransportTest \
 	ZlibTest \
+	TFileTransportTest \
 	UnitTests
 
 TESTS = \
@@ -73,6 +74,11 @@
 
 ZlibTest_LDADD = libtestgencpp.la $(top_builddir)/lib/cpp/libthriftz.la -l:libboost_unit_test_framework.a -lz
 
+TFileTransportTest_SOURCES = \
+	TFileTransportTest.cpp
+
+TFileTransportTest_LDADD = libtestgencpp.la -l:libboost_unit_test_framework.a
+
 #
 # TFDTransportTest
 #
diff --git a/lib/cpp/test/TFileTransportTest.cpp b/lib/cpp/test/TFileTransportTest.cpp
new file mode 100644
index 0000000..a75ec75
--- /dev/null
+++ b/lib/cpp/test/TFileTransportTest.cpp
@@ -0,0 +1,343 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE // needed for getopt_long
+#endif
+
+#include <sys/time.h>
+#include <getopt.h>
+#include <boost/test/unit_test.hpp>
+
+#include <transport/TFileTransport.h>
+
+using namespace apache::thrift::transport;
+
+/**************************************************************************
+ * Global state
+ **************************************************************************/
+
+static const char* tmp_dir = "/tmp";
+
+class FsyncLog;
+FsyncLog* fsync_log;
+
+
+/**************************************************************************
+ * Helper code
+ **************************************************************************/
+
+// Provide BOOST_CHECK_LT() and BOOST_CHECK_GT(), in case we're compiled
+// with an older version of boost
+#ifndef BOOST_CHECK_LT
+#define BOOST_CHECK_CMP(a, b, op) \
+  BOOST_CHECK_MESSAGE((a) op (b), \
+                      "check " BOOST_STRINGIZE(a) " " BOOST_STRINGIZE(op) " " \
+                      BOOST_STRINGIZE(b) " failed: " BOOST_STRINGIZE(a) "=" <<\
+                      (a) << " " BOOST_STRINGIZE(b) "=" << (b))
+
+#define BOOST_CHECK_LT(a, b) BOOST_CHECK_CMP(a, b, <)
+#define BOOST_CHECK_GT(a, b) BOOST_CHECK_CMP(a, b, >)
+#endif // BOOST_CHECK_LT
+
+/**
+ * Class to record calls to fsync
+ */
+class FsyncLog {
+ public:
+  struct FsyncCall {
+    struct timeval time;
+    int fd;
+  };
+  typedef std::list<FsyncCall> CallList;
+
+  FsyncLog() {}
+
+  void fsync(int fd) {
+    FsyncCall call;
+    gettimeofday(&call.time, NULL);
+    calls_.push_back(call);
+  }
+
+  const CallList* getCalls() const {
+    return &calls_;
+  }
+
+ private:
+  CallList calls_;
+};
+
+/**
+ * Helper class to clean up temporary files
+ */
+class TempFile {
+ public:
+  TempFile(const char* directory, const char* prefix) {
+    size_t path_len = strlen(directory) + strlen(prefix) + 8;
+    path_ = new char[path_len];
+    snprintf(path_, path_len, "%s/%sXXXXXX", directory, prefix);
+
+    fd_ = mkstemp(path_);
+    if (fd_ < 0) {
+      throw apache::thrift::TException("mkstemp() failed");
+    }
+  }
+
+  ~TempFile() {
+    unlink();
+    close();
+  }
+
+  const char* getPath() const {
+    return path_;
+  }
+
+  int getFD() const {
+    return fd_;
+  }
+
+  void unlink() {
+    if (path_) {
+      ::unlink(path_);
+      delete[] path_;
+      path_ = NULL;
+    }
+  }
+
+  void close() {
+    if (fd_ < 0) {
+      return;
+    }
+
+    ::close(fd_);
+    fd_ = -1;
+  }
+
+ private:
+  char* path_;
+  int fd_;
+};
+
+// Use our own version of fsync() for testing.
+// This returns immediately, so timing in test_destructor() isn't affected by
+// waiting on the actual filesystem.
+extern "C"
+int fsync(int fd) {
+  if (fsync_log) {
+    fsync_log->fsync(fd);
+  }
+  return 0;
+}
+
+
+int time_diff(const struct timeval* t1, const struct timeval* t2) {
+  return (t2->tv_usec - t1->tv_usec) + (t2->tv_sec - t1->tv_sec) * 1000000;
+}
+
+
+/**************************************************************************
+ * Test cases
+ **************************************************************************/
+
+/**
+ * Make sure the TFileTransport destructor exits "quickly".
+ *
+ * Previous versions had a bug causing the writer thread not to exit
+ * right away.
+ *
+ * It's kind of lame that we just check to see how long the destructor takes in
+ * wall-clock time.  This could result in false failures on slower systems, or
+ * on heavily loaded machines.
+ */
+void test_destructor() {
+  TempFile f(tmp_dir, "thrift.TFileTransportTest.");
+
+  unsigned int const NUM_ITERATIONS = 1000;
+  int const MAX_DESTRUCTOR_USEC = 500;
+
+  for (unsigned int n = 0; n < NUM_ITERATIONS; ++n) {
+    ftruncate(f.getFD(), 0);
+
+    TFileTransport* transport = new TFileTransport(f.getPath());
+
+    // write something so that the writer thread gets started
+    transport->write(reinterpret_cast<const uint8_t*>("foo"), 3);
+
+    // Every other iteration, also call flush(), just in case that potentially
+    // has any effect on how the writer thread wakes up.
+    if (n & 0x1) {
+      transport->flush();
+    }
+
+    /*
+     * Time the call to the destructor
+     */
+    struct timeval start;
+    struct timeval end;
+
+    gettimeofday(&start, NULL);
+    delete transport;
+    gettimeofday(&end, NULL);
+
+    int delta = time_diff(&start, &end);
+    BOOST_CHECK_LT(delta, MAX_DESTRUCTOR_USEC);
+  }
+}
+
+/**
+ * Make sure setFlushMaxUs() is honored.
+ */
+void test_flush_max_us_impl(uint32_t flush_us, uint32_t write_us,
+                            uint32_t test_us) {
+  // TFileTransport only calls fsync() if data has been written,
+  // so make sure the write interval is smaller than the flush interval.
+  BOOST_REQUIRE(write_us < flush_us);
+
+  TempFile f(tmp_dir, "thrift.TFileTransportTest.");
+
+  // Record calls to fsync()
+  FsyncLog log;
+  fsync_log = &log;
+
+  TFileTransport* transport = new TFileTransport(f.getPath());
+  // Don't flush because of # of bytes written
+  transport->setFlushMaxBytes(0xffffffff);
+  uint8_t buf[] = "a";
+  uint32_t buflen = sizeof(buf);
+
+  // Flush every 500us
+  transport->setFlushMaxUs(flush_us);
+
+  // Add one entry to the fsync log, just to mark the start time
+  log.fsync(-1);
+
+  // Loop doing write(), sleep(), ...
+  uint32_t total_time = 0;
+  while (true) {
+    transport->write(buf, buflen);
+    if (total_time > test_us) {
+      break;
+    }
+    usleep(write_us);
+    total_time += write_us;
+  }
+
+  delete transport;
+
+  // Stop logging new fsync() calls
+  fsync_log = NULL;
+
+  // Examine the fsync() log
+  //
+  // TFileTransport uses pthread_cond_timedwait(), which only has millisecond
+  // resolution.  In my testing, it normally wakes up about 1 millisecond late.
+  // However, sometimes it takes a bit longer.  Allow 5ms leeway.
+  int max_allowed_delta = flush_us + 5000;
+
+  const FsyncLog::CallList* calls = log.getCalls();
+  // We added 1 fsync call above.
+  // Make sure TFileTransport called fsync at least once
+  BOOST_CHECK_GT(calls->size(), 1);
+
+  const struct timeval* prev_time = NULL;
+  for (FsyncLog::CallList::const_iterator it = calls->begin();
+       it != calls->end();
+       ++it) {
+    if (prev_time) {
+      int delta = time_diff(prev_time, &it->time);
+      BOOST_CHECK_LT(delta, max_allowed_delta);
+    }
+    prev_time = &it->time;
+  }
+}
+
+void test_flush_max_us1() {
+  // fsync every 10ms, write every 5ms, for 500ms
+  test_flush_max_us_impl(10000, 5000, 500000);
+}
+
+void test_flush_max_us2() {
+  // fsync every 50ms, write every 20ms, for 500ms
+  test_flush_max_us_impl(50000, 20000, 500000);
+}
+
+void test_flush_max_us3() {
+  // fsync every 400ms, write every 300ms, for 1s
+  test_flush_max_us_impl(400000, 300000, 1000000);
+}
+
+/**************************************************************************
+ * General Initialization
+ **************************************************************************/
+
+void print_usage(FILE* f, const char* argv0) {
+  fprintf(f, "Usage: %s [boost_options] [options]\n", argv0);
+  fprintf(f, "Options:\n");
+  fprintf(f, "  --tmp-dir=DIR, -t DIR\n");
+  fprintf(f, "  --help\n");
+}
+
+void parse_args(int argc, char* argv[]) {
+  int seed;
+  int *seedptr = NULL;
+
+  struct option long_opts[] = {
+    { "help", false, NULL, 'h' },
+    { "tmp-dir", true, NULL, 't' },
+    { NULL, 0, NULL, 0 }
+  };
+
+  while (true) {
+    optopt = 1;
+    int optchar = getopt_long(argc, argv, "ht:", long_opts, NULL);
+    if (optchar == -1) {
+      break;
+    }
+
+    switch (optchar) {
+      case 't':
+        tmp_dir = optarg;
+        break;
+      case 'h':
+        print_usage(stdout, argv[0]);
+        exit(0);
+      case '?':
+        exit(1);
+      default:
+        // Only happens if someone adds another option to the optarg string,
+        // but doesn't update the switch statement to handle it.
+        fprintf(stderr, "unknown option \"-%c\"\n", optchar);
+        exit(1);
+    }
+  }
+}
+
+boost::unit_test::test_suite* init_unit_test_suite(int argc, char* argv[]) {
+  // Parse arguments
+  parse_args(argc, argv);
+
+  boost::unit_test::test_suite* suite =
+    BOOST_TEST_SUITE("TFileTransportTests");
+
+  suite->add(BOOST_TEST_CASE(test_destructor));
+  suite->add(BOOST_TEST_CASE(test_flush_max_us1));
+  suite->add(BOOST_TEST_CASE(test_flush_max_us2));
+  suite->add(BOOST_TEST_CASE(test_flush_max_us3));
+
+  return suite;
+}