diff --git a/hphp/test/ext/test_ext.h b/hphp/test/ext/test_ext.h
index b244f7c94..c7b61a365 100644
--- a/hphp/test/ext/test_ext.h
+++ b/hphp/test/ext/test_ext.h
@@ -35,7 +35,6 @@
 #include "hphp/facebook/extensions/tao/test_ext_tao.h"
 #include "hphp/facebook/extensions/urlextraction/test_ext_urlextraction.h"
 #include "hphp/test/ext/test_ext_curl.h"
-#include "hphp/test/ext/test_ext_file.h"
 #include "hphp/test/ext/test_ext_icu_ucnv.h"
 #include "hphp/test/ext/test_ext_icu_ucsdet.h"
 #include "hphp/test/ext/test_ext_icu_uspoof.h"
diff --git a/hphp/test/ext/test_ext_file.cpp b/hphp/test/ext/test_ext_file.cpp
deleted file mode 100644
index a40cff9c4..000000000
--- a/hphp/test/ext/test_ext_file.cpp
+++ /dev/null
@@ -1,1010 +0,0 @@
-/*
-   +----------------------------------------------------------------------+
-   | HipHop for PHP                                                       |
-   +----------------------------------------------------------------------+
-   | Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com)     |
-   +----------------------------------------------------------------------+
-   | This source file is subject to version 3.01 of the PHP license,      |
-   | that is bundled with this package in the file LICENSE, and is        |
-   | available through the world-wide-web at the following url:           |
-   | http://www.php.net/license/3_01.txt                                  |
-   | If you did not receive a copy of the PHP license and are unable to   |
-   | obtain it through the world-wide-web, please send a note to          |
-   | license@php.net so we can mail you a copy immediately.               |
-   +----------------------------------------------------------------------+
-*/
-
-#include "hphp/test/ext/test_ext_file.h"
-#include "hphp/runtime/ext/ext_file.h"
-#include "hphp/runtime/ext/ext_output.h"
-#include "hphp/runtime/ext/ext_string.h"
-#include "hphp/runtime/base/runtime_option.h"
-#include "hphp/util/light_process.h"
-
-///////////////////////////////////////////////////////////////////////////////
-
-bool TestExtFile::RunTests(const std::string &which) {
-  bool ret = true;
-
-  DECLARE_TEST_FUNCTIONS("");
-
-  RUN_TEST(test_fopen);
-  RUN_TEST(test_fpassthru);
-  RUN_TEST(test_fputcsv);
-  RUN_TEST(test_fputs);
-  RUN_TEST(test_fread);
-  RUN_TEST(test_fscanf);
-  RUN_TEST(test_fseek);
-  RUN_TEST(test_fstat);
-  RUN_TEST(test_ftell);
-  RUN_TEST(test_ftruncate);
-  RUN_TEST(test_fwrite);
-  RUN_TEST(test_read_write);
-  RUN_TEST(test_fprintf);
-  RUN_TEST(test_vfprintf);
-  RUN_TEST(test_fclose);
-  RUN_TEST(test_feof);
-  RUN_TEST(test_fflush);
-  RUN_TEST(test_fgetc);
-  RUN_TEST(test_fgetcsv);
-  RUN_TEST(test_fgets);
-  RUN_TEST(test_fgetss);
-  RUN_TEST(test_flock);
-  RUN_TEST(test_rewind);
-  RUN_TEST(test_popen);
-  RUN_TEST(test_pclose);
-  RUN_TEST(test_file_exists);
-  RUN_TEST(test_file_get_contents);
-  RUN_TEST(test_file_put_contents);
-  RUN_TEST(test_file);
-  RUN_TEST(test_readfile);
-  RUN_TEST(test_move_uploaded_file);
-  RUN_TEST(test_parse_ini_file);
-  RUN_TEST(test_parse_ini_string);
-  RUN_TEST(test_parse_hdf_file);
-  RUN_TEST(test_parse_hdf_string);
-  RUN_TEST(test_write_hdf_file);
-  RUN_TEST(test_write_hdf_string);
-  RUN_TEST(test_md5_file);
-  RUN_TEST(test_sha1_file);
-  RUN_TEST(test_chmod);
-  RUN_TEST(test_chown);
-  RUN_TEST(test_touch);
-  RUN_TEST(test_copy);
-  RUN_TEST(test_rename);
-  RUN_TEST(test_umask);
-  RUN_TEST(test_unlink);
-  RUN_TEST(test_chgrp);
-  RUN_TEST(test_link);
-  RUN_TEST(test_symlink);
-  RUN_TEST(test_lchgrp);
-  RUN_TEST(test_lchown);
-  RUN_TEST(test_basename);
-  RUN_TEST(test_fnmatch);
-  RUN_TEST(test_glob);
-  RUN_TEST(test_tempnam);
-  RUN_TEST(test_tmpfile);
-  RUN_TEST(test_clearstatcache);
-  RUN_TEST(test_stat);
-  RUN_TEST(test_lstat);
-  RUN_TEST(test_is_dir);
-  RUN_TEST(test_is_executable);
-  RUN_TEST(test_is_file);
-  RUN_TEST(test_is_link);
-  RUN_TEST(test_is_readable);
-  RUN_TEST(test_is_uploaded_file);
-  RUN_TEST(test_is_writable);
-  RUN_TEST(test_is_writeable);
-  RUN_TEST(test_fileatime);
-  RUN_TEST(test_filectime);
-  RUN_TEST(test_filegroup);
-  RUN_TEST(test_fileinode);
-  RUN_TEST(test_filemtime);
-  RUN_TEST(test_fileowner);
-  RUN_TEST(test_fileperms);
-  RUN_TEST(test_filesize);
-  RUN_TEST(test_filetype);
-  RUN_TEST(test_readlink);
-  RUN_TEST(test_realpath);
-  RUN_TEST(test_linkinfo);
-  RUN_TEST(test_disk_free_space);
-  RUN_TEST(test_diskfreespace);
-  RUN_TEST(test_disk_total_space);
-  RUN_TEST(test_pathinfo);
-  RUN_TEST(test_mkdir);
-  RUN_TEST(test_rmdir);
-  RUN_TEST(test_dirname);
-  RUN_TEST(test_chdir);
-  RUN_TEST(test_chroot);
-  RUN_TEST(test_dir);
-  RUN_TEST(test_getcwd);
-  RUN_TEST(test_opendir);
-  RUN_TEST(test_readdir);
-  RUN_TEST(test_rewinddir);
-  RUN_TEST(test_scandir);
-  RUN_TEST(test_closedir);
-
-  LightProcess::Initialize(RuntimeOption::LightProcessFilePrefix,
-                           RuntimeOption::LightProcessCount,
-                           std::vector<int>());
-  RUN_TEST(test_popen);
-  RUN_TEST(test_pclose);
-  LightProcess::Close();
-
-  return ret;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-#define VF(f, s)                                                        \
-  if (!VerifyFile(f, s)) {                                              \
-    printf("%s:%d: VerifyFile failed.\n", __FILE__, __LINE__);          \
-    return Count(false);                                                \
-  }                                                                     \
-
-bool TestExtFile::VerifyFile(CVarRef f, CStrRef contents) {
-  f_ob_start();
-  f_fpassthru(f);
-  VS(f_ob_get_clean(), contents);
-  f_ob_end_clean();
-  return true;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-bool TestExtFile::test_fopen() {
-  Variant f = f_fopen("test/ext/test_ext_file.txt", "r");
-  VERIFY(!same(f, false));
-  return Count(true);
-}
-
-bool TestExtFile::test_fpassthru() {
-  Variant f = f_fopen("test/ext/test_ext_file.txt", "r");
-  f_ob_start();
-  VS(f_fpassthru(f), 17);
-  VS(f_ob_get_clean(), "Testing Ext File\n");
-  f_ob_end_clean();
-  return Count(true);
-}
-
-bool TestExtFile::test_fputcsv() {
-  Array fields = CREATE_VECTOR2("apple", "\"banana\"");
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputcsv(f, fields);
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VF(f, "apple,\"\"\"banana\"\"\"\n");
-  return Count(true);
-}
-
-bool TestExtFile::test_fputs() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing fputs");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VF(f, "testing fputs");
-  return Count(true);
-}
-
-bool TestExtFile::test_fread() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing fread");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fread(f, 7), "testing");
-  VS(f_fread(f, 100), " fread");
-  return Count(true);
-}
-
-bool TestExtFile::test_fscanf() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing fscanf");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fscanf(2, f, "%s %s"), CREATE_VECTOR2("testing", "fscanf"));
-  return Count(true);
-}
-
-bool TestExtFile::test_fseek() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing fseek");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  f_fseek(f, -5, k_SEEK_END);
-  VS(f_fread(f, 7), "fseek");
-
-  f_fseek(f, 7);
-  VS(f_fread(f, 7), " fseek");
-  return Count(true);
-}
-
-static const StaticString s_size("size");
-
-bool TestExtFile::test_fstat() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing fstat");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fstat(f)[s_size], 13);
-  return Count(true);
-}
-
-bool TestExtFile::test_ftell() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing ftell");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  f_fseek(f, -5, k_SEEK_END);
-  VS(f_ftell(f), 8);
-  return Count(true);
-}
-
-bool TestExtFile::test_ftruncate() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing ftruncate");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r+");
-  f_ftruncate(f, 7);
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fread(f, 20), "testing");
-  return Count(true);
-}
-
-bool TestExtFile::test_fwrite() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fwrite(f, "testing fwrite", 7);
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VF(f, "testing");
-  return Count(true);
-}
-
-bool TestExtFile::test_read_write() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fwrite(f, "testing read/write");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r+");
-  f_fseek(f, 8);
-  f_fwrite(f, "succeeds");
-  f_fseek(f, 8);
-  VS(f_fread(f, 8), "succeeds");
-  return Count(true);
-}
-
-bool TestExtFile::test_fprintf() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fprintf(4, f, "%s %s", CREATE_VECTOR2("testing", "fprintf"));
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VF(f, "testing fprintf");
-  return Count(true);
-}
-
-bool TestExtFile::test_vfprintf() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_vfprintf(f, "%s %s", CREATE_VECTOR2("testing", "vfprintf"));
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VF(f, "testing vfprintf");
-  return Count(true);
-}
-
-bool TestExtFile::test_fclose() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fclose(f);
-  return Count(true);
-}
-
-bool TestExtFile::test_feof() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing feof");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VERIFY(!f_feof(f));
-  VS(f_fread(f, 20), "testing feof");
-  VERIFY(f_feof(f));
-  return Count(true);
-}
-
-bool TestExtFile::test_fflush() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing fflush");
-  f_fflush(f);
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fread(f, 20), "testing fflush");
-  return Count(true);
-}
-
-bool TestExtFile::test_fgetc() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing fgetc");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fgetc(f), "t");
-  VS(f_fgetc(f), "e");
-  VS(f_fgetc(f), "s");
-  VS(f_fgetc(f), "t");
-  return Count(true);
-}
-
-bool TestExtFile::test_fgetcsv() {
-  Array fields = CREATE_VECTOR2("a", "b");
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputcsv(f, fields);
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  Array read = f_fgetcsv(f);
-  VS(read, fields);
-  return Count(true);
-}
-
-bool TestExtFile::test_fgets() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing\nfgets\n\n");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fgets(f), "testing\n");
-  VS(f_fgets(f), "fgets\n");
-  VS(f_fgets(f), "\n");
-  return Count(true);
-}
-
-bool TestExtFile::test_fgetss() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "<html><head>testing</head><body> fgetss</body></html>\n");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fgetss(f), "testing fgetss\n");
-  return Count(true);
-}
-
-bool TestExtFile::test_flock() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w+");
-  VERIFY(f_flock(f, k_LOCK_EX));
-  f_flock(f, k_LOCK_UN);
-  return Count(true);
-}
-
-bool TestExtFile::test_rewind() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing rewind");
-  f_fclose(f);
-
-  f = f_fopen("test/ext/test_ext_file.tmp", "r");
-  VS(f_fread(f, 7), "testing");
-  VS(f_fread(f, 100), " rewind");
-  VS(f_fread(f, 7), "");
-  VERIFY(f_rewind(f));
-  VS(f_fread(f, 7), "testing");
-  VS(f_fread(f, 100), " rewind");
-  return Count(true);
-}
-
-bool TestExtFile::test_popen() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing popen");
-  f_fclose(f);
-
-  f = f_popen("cat test/ext/test_ext_file.tmp", "r");
-  VS(f_fread(f, 20), "testing popen");
-  return Count(true);
-}
-
-bool TestExtFile::test_pclose() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing pclose");
-  f_fclose(f);
-
-  f = f_popen("cat test/ext/test_ext_file.tmp", "r");
-  VS(f_fread(f, 20), "testing pclose");
-  f_pclose(f);
-  return Count(true);
-}
-
-bool TestExtFile::test_file_exists() {
-  VERIFY(f_file_exists("test/ext/test_ext_file.txt"));
-  VERIFY(!f_file_exists(""));
-  return Count(true);
-}
-
-bool TestExtFile::test_file_get_contents() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing file_get_contents");
-  f_fclose(f);
-
-  VS(f_file_get_contents("test/ext/test_ext_file.tmp"),
-     "testing file_get_contents");
-
-  VS(
-    unserialize_from_string(
-      f_file_get_contents("compress.zlib://test/ext/test_zlib_file")
-    ),
-    CREATE_VECTOR1("rblock:216105")
-  );
-  return Count(true);
-}
-
-bool TestExtFile::test_file_put_contents() {
-  f_file_put_contents("test/ext/test_ext_file.tmp", "testing file_put_contents");
-  VS(f_file_get_contents("test/ext/test_ext_file.tmp"),
-     "testing file_put_contents");
-  return Count(true);
-}
-
-bool TestExtFile::test_file() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing\nfile\n");
-  f_fclose(f);
-
-  Variant items = f_file("test/ext/test_ext_file.tmp");
-  VS(items, CREATE_VECTOR2("testing\n", "file\n"));
-  return Count(true);
-}
-
-bool TestExtFile::test_readfile() {
-  f_ob_start();
-  VS(f_readfile("test/ext/test_ext_file.txt"), 17);
-  VS(f_ob_get_clean(), "Testing Ext File\n");
-  f_ob_end_clean();
-  return Count(true);
-}
-
-bool TestExtFile::test_move_uploaded_file() {
-  VS(f_move_uploaded_file("", ""), false);
-  return Count(true);
-}
-
-bool TestExtFile::test_parse_ini_file() {
-  // tested with test_parse_ini_string()
-  return Count(true);
-}
-
-bool TestExtFile::test_parse_ini_string() {
-  String ini
-    (";;; Created on Tuesday, October 27, 2009 at 12:01 PM GMT\n"
-     "[GJK_Browscap_Version]\n"
-     "Version=4520\n"
-     "Released=Tue, 27 Oct 2009 12:01:07 -0000\n"
-     "\n"
-     "\n;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DefaultProperties\n"
-     "\n"
-     "[DefaultProperties]\n"
-     "Browser=\"DefaultProperties\"\n"
-     "Version=0\n"
-     "Platform=unknown\n"
-     "Beta=false\n");
-  VS(f_parse_ini_string(ini),
-     CREATE_MAP5("Version", "0",
-                 "Released", "Tue, 27 Oct 2009 12:01:07 -0000",
-                 "Browser", "DefaultProperties",
-                 "Platform", "unknown",
-                 "Beta", ""));
-  VS(f_parse_ini_string(ini, true),
-     CREATE_MAP2("GJK_Browscap_Version",
-                 CREATE_MAP2("Version", "4520",
-                             "Released", "Tue, 27 Oct 2009 12:01:07 -0000"),
-                 "DefaultProperties",
-                 CREATE_MAP4("Browser", "DefaultProperties",
-                             "Version", "0",
-                             "Platform", "unknown",
-                             "Beta", "")));
-  return Count(true);
-}
-
-bool TestExtFile::test_parse_hdf_file() {
-  // tested with test_parse_hdf_string()
-  return Count(true);
-}
-
-static const StaticString s_bool("bool");
-static const StaticString s_string("string");
-static const StaticString s_text("text");
-static const StaticString s_num("num");
-static const StaticString s_arr("arr");
-static const StaticString s_anothertext("anothertext");
-
-bool TestExtFile::test_parse_hdf_string() {
-  Array hdf;
-  hdf.set(s_bool, false);
-  hdf.set(s_string, s_text);
-  hdf.set(s_num, 12345);
-  Array arr = CREATE_MAP3(s_bool, false, s_string, s_anothertext, s_num, 6789);
-  hdf.set(s_arr, arr);
-
-  VS(f_parse_hdf_string("bool = false\n"
-                        "string = text\n"
-                        "num = 12345\n"
-                        "arr {\n"
-                        "  bool = false\n"
-                        "  string = anothertext\n"
-                        "  num = 6789\n"
-                        "}\n"), hdf);
-  return Count(true);
-}
-
-bool TestExtFile::test_write_hdf_file() {
-  // tested with test_write_hdf_string()
-  return Count(true);
-}
-
-bool TestExtFile::test_write_hdf_string() {
-  Array hdf;
-  hdf.set(s_bool, false);
-  hdf.set(s_string, s_text);
-  hdf.set(s_num, 12345);
-  Array arr = CREATE_MAP3(s_bool, false, s_string, s_anothertext, s_num, 6789);
-  hdf.set(s_arr, arr);
-
-  String str = f_write_hdf_string(hdf);
-  VS(str,
-     "bool = false\n"
-     "string = text\n"
-     "num = 12345\n"
-     "arr {\n"
-     "  bool = false\n"
-     "  string = anothertext\n"
-     "  num = 6789\n"
-     "}\n");
-
-  return Count(true);
-}
-
-bool TestExtFile::test_md5_file() {
-  VS(f_md5_file("test/ext/test_ext_file.txt"),
-     "f53a9b64dc3846f27ee10848d0493320");
-  return Count(true);
-}
-
-bool TestExtFile::test_sha1_file() {
-  VS(f_sha1_file("test/ext/test_ext_file.txt"),
-     "3f0f6cb904835174e35697d8262170aa060be3a5");
-  return Count(true);
-}
-
-bool TestExtFile::test_chmod() {
-  VERIFY(f_chmod("test/ext/test_ext_file.txt", 0777));
-  return Count(true);
-}
-
-bool TestExtFile::test_chown() {
-  Variant f = f_fopen("test/ext/test_ext_file.tmp", "w");
-  f_fputs(f, "testing\nchown\n");
-  f_fclose(f);
-  VERIFY(f_chmod("test/ext/test_ext_file.txt", 0777));
-  //VERIFY(f_chown("test/ext/test_ext_file.tmp", "hzhao"));
-  f_unlink("test/ext/test_ext_file.tmp");
-  return Count(true);
-}
-
-bool TestExtFile::test_touch() {
-  if (f_file_exists("test/ext/test_ext_file.tmp")) {
-    f_unlink("test/ext/test_ext_file.tmp");
-    VERIFY(!f_file_exists("test/ext/test_ext_file.tmp"));
-  }
-  f_touch("test/ext/test_ext_file.tmp");
-  VERIFY(f_file_exists("test/ext/test_ext_file.tmp"));
-  return Count(true);
-}
-
-bool TestExtFile::test_copy() {
-  if (f_file_exists("test/ext/test_ext_file2.tmp")) {
-    f_unlink("test/ext/test_ext_file2.tmp");
-    VERIFY(!f_file_exists("test/ext/test_ext_file2.tmp"));
-  }
-  if (f_file_exists("test/ext/test_ext_file3.tmp")) {
-    f_unlink("test/ext/test_ext_file3.tmp");
-    VERIFY(!f_file_exists("test/ext/test_ext_file3.tmp"));
-  }
-  f_touch("test/ext/test_ext_file.tmp");
-  f_copy("test/ext/test_ext_file.tmp", "test/ext/test_ext_file2.tmp");
-  VERIFY(f_file_exists("test/ext/test_ext_file2.tmp"));
-  VERIFY(f_file_exists("test/ext/test_ext_file.tmp"));
-
-  // XXX disabled until we work out flaky network issues. t2183444
-#if 0
-  f_copy("http://facebook.com", "test/ext/test_ext_file3.tmp");
-  VERIFY(f_file_exists("test/ext/test_ext_file3.tmp"));
-#endif
-  return Count(true);
-}
-
-bool TestExtFile::test_rename() {
-  if (f_file_exists("test/ext/test_ext_file2.tmp")) {
-    f_unlink("test/ext/test_ext_file2.tmp");
-    VERIFY(!f_file_exists("test/ext/test_ext_file2.tmp"));
-  }
-  f_touch("test/ext/test_ext_file.tmp");
-  f_rename("test/ext/test_ext_file.tmp", "test/ext/test_ext_file2.tmp");
-  VERIFY(f_file_exists("test/ext/test_ext_file2.tmp"));
-  VERIFY(!f_file_exists("test/ext/test_ext_file.tmp"));
-  return Count(true);
-}
-
-bool TestExtFile::test_umask() {
-  f_umask();
-  return Count(true);
-}
-
-bool TestExtFile::test_unlink() {
-  f_touch("test/ext/test_ext_file.tmp");
-  VERIFY(f_file_exists("test/ext/test_ext_file.tmp"));
-  f_unlink("test/ext/test_ext_file.tmp");
-  VERIFY(!f_file_exists("test/ext/test_ext_file.tmp"));
-  return Count(true);
-}
-
-bool TestExtFile::test_chgrp() {
-  f_touch("test/ext/test_ext_file.tmp");
-  f_chgrp("test/ext/test_ext_file.tmp", "root");
-  f_unlink("test/ext/test_ext_file.tmp");
-  return Count(true);
-}
-
-bool TestExtFile::test_link() {
-  if (f_file_exists("test/ext/test_ext_file2.tmp")) {
-    f_unlink("test/ext/test_ext_file2.tmp");
-    VERIFY(!f_file_exists("test/ext/test_ext_file2.tmp"));
-  }
-  f_touch("test/ext/test_ext_file.tmp");
-  f_link("test/ext/test_ext_file.tmp", "test/ext/test_ext_file2.tmp");
-  VERIFY(f_file_exists("test/ext/test_ext_file2.tmp"));
-  VERIFY(f_file_exists("test/ext/test_ext_file.tmp"));
-  return Count(true);
-}
-
-bool TestExtFile::test_symlink() {
-  if (f_file_exists("test/ext/test_ext_file2.tmp")) {
-    f_unlink("test/ext/test_ext_file2.tmp");
-    VERIFY(!f_file_exists("test/ext/test_ext_file2.tmp"));
-  }
-  f_touch("test/ext/test_ext_file.tmp");
-  f_symlink("test/ext/test_ext_file.tmp", "test/ext/test_ext_file2.tmp");
-  VERIFY(f_file_exists("test/ext/test_ext_file2.tmp"));
-  VERIFY(f_file_exists("test/ext/test_ext_file.tmp"));
-  return Count(true);
-}
-
-bool TestExtFile::test_lchgrp() {
-  f_touch("test/ext/test_ext_file.tmp");
-  f_lchgrp("test/ext/test_ext_file.tmp", "root");
-  return Count(true);
-}
-
-bool TestExtFile::test_lchown() {
-  f_touch("test/ext/test_ext_file.tmp");
-  f_lchown("test/ext/test_ext_file.tmp", "root");
-  return Count(true);
-}
-
-bool TestExtFile::test_basename() {
-  VS(f_basename("test/ext/test_ext_file.tmp"), "test_ext_file.tmp");
-  VS(f_basename("test/ext/test_ext_file.tmp", ".tmp"), "test_ext_file");
-  return Count(true);
-}
-
-bool TestExtFile::test_fnmatch() {
-  VERIFY(f_fnmatch("test/ext/test_*_file.tmp", "test/ext/test_ext_file.tmp"));
-  return Count(true);
-}
-
-bool TestExtFile::test_glob() {
-  f_touch("test/ext/test_ext_file.tmp");
-  VS(f_glob("test/ext/test_*_file.tmp"), CREATE_VECTOR1("test/ext/test_ext_file.tmp"));
-  return Count(true);
-}
-
-bool TestExtFile::test_tempnam() {
-  String name = f_tempnam("/tmp", "test_ext_file.tmp");
-  int size = String("/tmp/test_ext_file.tmp").size();
-  VERIFY(name.size() > size);
-  VS(name.substr(0, size), "/tmp/test_ext_file.tmp");
-  unlink(name.data());
-  return Count(true);
-}
-
-bool TestExtFile::test_tmpfile() {
-  Variant f = f_tmpfile();
-  f_fputs(f, "testing tmpfile");
-  f_fclose(f);
-  return Count(true);
-}
-
-bool TestExtFile::test_clearstatcache() {
-  f_clearstatcache();
-  return Count(true);
-}
-
-bool TestExtFile::test_stat() {
-  VS(f_stat("test/ext/test_ext_file.txt")[s_size], 17);
-  return Count(true);
-}
-
-bool TestExtFile::test_lstat() {
-  VS(f_lstat("test/ext/test_ext_file.txt")[s_size], 17);
-  return Count(true);
-}
-
-bool TestExtFile::test_is_dir() {
-  f_mkdir("test/ext/tmp_dir");
-  VERIFY(!f_is_dir("test/ext/test_ext_file.txt"));
-  VERIFY(f_is_dir("test/ext/tmp_dir"));
-  VERIFY(!f_is_dir("tmp_dir"));
-  f_chdir("test/ext");
-  VERIFY(!f_is_dir("test/ext/tmp_dir"));
-  VERIFY(f_is_dir("tmp_dir"));
-  f_chdir("../..");
-  f_rmdir("test/ext/tmp_dir");
-  return Count(true);
-}
-
-bool TestExtFile::test_is_executable() {
-  VERIFY(f_chmod("test/ext/test_ext_file.txt", 0777));
-  VERIFY(f_is_executable("test/ext/test_ext_file.txt"));
-  return Count(true);
-}
-
-bool TestExtFile::test_is_file() {
-  VERIFY(f_is_file("test/ext/test_ext_file.txt"));
-  return Count(true);
-}
-
-bool TestExtFile::test_is_link() {
-  VERIFY(!f_is_link("test/ext/test_ext_file.txt"));
-  return Count(true);
-}
-
-bool TestExtFile::test_is_readable() {
-  VERIFY(f_is_readable("test/ext/test_ext_file.txt"));
-  return Count(true);
-}
-
-bool TestExtFile::test_is_uploaded_file() {
-  VS(f_is_uploaded_file("test/ext/test_ext_file.txt"), false);
-  return Count(true);
-}
-
-bool TestExtFile::test_is_writable() {
-  VERIFY(f_is_writable("test/ext/test_ext_file.txt"));
-  return Count(true);
-}
-
-bool TestExtFile::test_is_writeable() {
-  VERIFY(f_is_writeable("test/ext/test_ext_file.txt"));
-  return Count(true);
-}
-
-bool TestExtFile::test_fileatime() {
-  VERIFY(more(f_fileatime("test/ext/test_ext_file.txt"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_filectime() {
-  VERIFY(more(f_filectime("test/ext/test_ext_file.txt"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_filegroup() {
-  f_filegroup("test/ext/test_ext_file.txt");
-  return Count(true);
-}
-
-bool TestExtFile::test_fileinode() {
-  VERIFY(more(f_fileinode("test/ext/test_ext_file.txt"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_filemtime() {
-  VERIFY(more(f_filemtime("test/ext/test_ext_file.txt"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_fileowner() {
-  f_fileowner("test/ext/test_ext_file.txt");
-  return Count(true);
-}
-
-bool TestExtFile::test_fileperms() {
-  VERIFY(more(f_fileperms("test/ext/test_ext_file.txt"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_filesize() {
-  VS(f_filesize("test/ext/test_ext_file.txt"), 17);
-  return Count(true);
-}
-
-bool TestExtFile::test_filetype() {
-  VS(f_filetype("test/ext/test_ext_file.txt"), "file");
-  return Count(true);
-}
-
-bool TestExtFile::test_readlink() {
-  if (f_file_exists("test/ext/test_ext_file2.tmp")) {
-    f_unlink("test/ext/test_ext_file2.tmp");
-    VERIFY(!f_file_exists("test/ext/test_ext_file2.tmp"));
-  }
-  f_touch("test/ext/test_ext_file.tmp");
-  f_symlink("test/ext/test_ext_file.tmp", "test/ext/test_ext_file2.tmp");
-  String resolved = f_readlink("test/ext/test_ext_file2.tmp");
-  VS(resolved.substr(resolved.size() - 26), "test/ext/test_ext_file.tmp");
-  return Count(true);
-}
-
-bool TestExtFile::test_realpath() {
-  f_touch("test/ext/test_ext_file.tmp");
-  String resolved = f_realpath("test/ext/test_ext_file.tmp");
-  VERIFY(resolved.size() > 22);
-  VS(resolved.substr(resolved.size() - 26), "test/ext/test_ext_file.tmp");
-  return Count(true);
-}
-
-bool TestExtFile::test_linkinfo() {
-  if (f_file_exists("test/ext/test_ext_file2.tmp")) {
-    f_unlink("test/ext/test_ext_file2.tmp");
-    VERIFY(!f_file_exists("test/ext/test_ext_file2.tmp"));
-  }
-  f_touch("test/ext/test_ext_file.tmp");
-  f_symlink("test/ext/test_ext_file.tmp", "test/ext/test_ext_file2.tmp");
-  VERIFY(more(f_linkinfo("test/ext/test_ext_file2.tmp"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_disk_free_space() {
-  VERIFY(more(f_disk_free_space("test"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_diskfreespace() {
-  VERIFY(more(f_diskfreespace("test"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_disk_total_space() {
-  VERIFY(more(f_disk_total_space("test"), 0));
-  return Count(true);
-}
-
-bool TestExtFile::test_pathinfo() {
-  VS(f_print_r(f_pathinfo("test/ext/test_ext_file.txt"), true),
-     "Array\n"
-     "(\n"
-     "    [dirname] => test/ext\n"
-     "    [basename] => test_ext_file.txt\n"
-     "    [extension] => txt\n"
-     "    [filename] => test_ext_file\n"
-     ")\n");
-  return Count(true);
-}
-
-bool TestExtFile::test_mkdir() {
-  f_mkdir("test/ext/tmp_dir");
-  f_rmdir("test/ext/tmp_dir");
-  return Count(true);
-}
-
-bool TestExtFile::test_rmdir() {
-  f_mkdir("test/ext/tmp_dir");
-  f_rmdir("test/ext/tmp_dir");
-  return Count(true);
-}
-
-bool TestExtFile::test_dirname() {
-  VS(f_dirname("test/ext/test_ext_file.txt"), "test/ext");
-  return Count(true);
-}
-
-bool TestExtFile::test_chdir() {
-  f_chdir("test");
-  f_chdir("..");
-  return Count(true);
-}
-
-bool TestExtFile::test_chroot() {
-  //f_chroot("test");
-  return Count(true);
-}
-
-bool TestExtFile::test_dir() {
-  static const StaticString s_handle("handle");
-  static const StaticString s_path("path");
-  Variant d = f_dir("test/ext");
-  VS(d.toArray()[s_path], "test/ext");
-  Variant entry;
-  bool seen = false;
-  while (!same(entry = f_readdir(d.toArray()[s_handle]), false)) {
-    if (same(entry, "test_ext_file.txt")) {
-      seen = true;
-    }
-  }
-  f_closedir(d);
-  VERIFY(seen);
-  return Count(true);
-}
-
-bool TestExtFile::test_getcwd() {
-  VERIFY(!f_getcwd().toString().empty());
-  return Count(true);
-}
-
-bool TestExtFile::test_opendir() {
-  Variant d = f_opendir("test/ext");
-  Variant entry;
-  bool seen = false;
-  while (!same(entry = f_readdir(d), false)) {
-    if (same(entry, "test_ext_file.txt")) {
-      seen = true;
-    }
-  }
-  f_closedir(d);
-  VERIFY(seen);
-  return Count(true);
-}
-
-bool TestExtFile::test_readdir() {
-  Variant d = f_opendir("test/ext");
-  Variant entry;
-  bool seen = false;
-  while (!same(entry = f_readdir(d), false)) {
-    if (same(entry, "test_ext_file.txt")) {
-      seen = true;
-    }
-  }
-  f_closedir(d);
-  VERIFY(seen);
-  return Count(true);
-}
-
-bool TestExtFile::test_rewinddir() {
-  Variant d = f_opendir("test/ext");
-  Variant entry;
-  bool seen = false;
-  while (!same(entry = f_readdir(d), false)) {
-    if (same(entry, "test_ext_file.txt")) {
-      seen = true;
-    }
-  }
-  VERIFY(seen);
-
-  seen = false;
-  f_rewinddir(d);
-  while (!same(entry = f_readdir(d), false)) {
-    if (same(entry, "test_ext_file.txt")) {
-      seen = true;
-    }
-  }
-  VERIFY(seen);
-
-  f_closedir(d);
-  return Count(true);
-}
-
-bool TestExtFile::test_scandir() {
-  VERIFY(!f_scandir("test").toArray().empty());
-  return Count(true);
-}
-
-bool TestExtFile::test_closedir() {
-  f_closedir(f_opendir("test"));
-  return Count(true);
-}
diff --git a/hphp/test/ext/test_ext_file.h b/hphp/test/ext/test_ext_file.h
deleted file mode 100644
index 3dede0469..000000000
--- a/hphp/test/ext/test_ext_file.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
-   +----------------------------------------------------------------------+
-   | HipHop for PHP                                                       |
-   +----------------------------------------------------------------------+
-   | Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com)     |
-   +----------------------------------------------------------------------+
-   | This source file is subject to version 3.01 of the PHP license,      |
-   | that is bundled with this package in the file LICENSE, and is        |
-   | available through the world-wide-web at the following url:           |
-   | http://www.php.net/license/3_01.txt                                  |
-   | If you did not receive a copy of the PHP license and are unable to   |
-   | obtain it through the world-wide-web, please send a note to          |
-   | license@php.net so we can mail you a copy immediately.               |
-   +----------------------------------------------------------------------+
-*/
-
-#ifndef incl_HPHP_TEST_EXT_FILE_H_
-#define incl_HPHP_TEST_EXT_FILE_H_
-
-// >>>>>> Generated by idl.php. Do NOT modify. <<<<<<
-
-#include "hphp/test/ext/test_cpp_ext.h"
-
-///////////////////////////////////////////////////////////////////////////////
-
-class TestExtFile : public TestCppExt {
- public:
-  virtual bool RunTests(const std::string &which);
-
-  bool test_fopen();
-  bool test_popen();
-  bool test_fclose();
-  bool test_pclose();
-  bool test_fseek();
-  bool test_rewind();
-  bool test_ftell();
-  bool test_feof();
-  bool test_fstat();
-  bool test_fread();
-  bool test_fgetc();
-  bool test_fgets();
-  bool test_fgetss();
-  bool test_fscanf();
-  bool test_fpassthru();
-  bool test_fwrite();
-  bool test_read_write();
-  bool test_fputs();
-  bool test_fprintf();
-  bool test_vfprintf();
-  bool test_fflush();
-  bool test_ftruncate();
-  bool test_flock();
-  bool test_fputcsv();
-  bool test_fgetcsv();
-  bool test_file_get_contents();
-  bool test_file_put_contents();
-  bool test_file();
-  bool test_readfile();
-  bool test_move_uploaded_file();
-  bool test_parse_ini_file();
-  bool test_parse_ini_string();
-  bool test_parse_hdf_file();
-  bool test_parse_hdf_string();
-  bool test_write_hdf_file();
-  bool test_write_hdf_string();
-  bool test_md5_file();
-  bool test_sha1_file();
-  bool test_chmod();
-  bool test_chown();
-  bool test_lchown();
-  bool test_chgrp();
-  bool test_lchgrp();
-  bool test_touch();
-  bool test_copy();
-  bool test_rename();
-  bool test_umask();
-  bool test_unlink();
-  bool test_link();
-  bool test_symlink();
-  bool test_basename();
-  bool test_fnmatch();
-  bool test_glob();
-  bool test_tempnam();
-  bool test_tmpfile();
-  bool test_fileperms();
-  bool test_fileinode();
-  bool test_filesize();
-  bool test_fileowner();
-  bool test_filegroup();
-  bool test_fileatime();
-  bool test_filemtime();
-  bool test_filectime();
-  bool test_filetype();
-  bool test_linkinfo();
-  bool test_is_writable();
-  bool test_is_writeable();
-  bool test_is_readable();
-  bool test_is_executable();
-  bool test_is_file();
-  bool test_is_dir();
-  bool test_is_link();
-  bool test_is_uploaded_file();
-  bool test_file_exists();
-  bool test_stat();
-  bool test_lstat();
-  bool test_clearstatcache();
-  bool test_readlink();
-  bool test_realpath();
-  bool test_pathinfo();
-  bool test_disk_free_space();
-  bool test_diskfreespace();
-  bool test_disk_total_space();
-  bool test_mkdir();
-  bool test_rmdir();
-  bool test_dirname();
-  bool test_getcwd();
-  bool test_chdir();
-  bool test_chroot();
-  bool test_dir();
-  bool test_opendir();
-  bool test_readdir();
-  bool test_rewinddir();
-  bool test_scandir();
-  bool test_closedir();
-
-private:
-  bool VerifyFile(CVarRef f, CStrRef contents);
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-#endif // incl_HPHP_TEST_EXT_FILE_H_
diff --git a/hphp/test/slow/ext_file/feof.php b/hphp/test/slow/ext_file/feof.php
new file mode 100644
index 000000000..97df43a07
--- /dev/null
+++ b/hphp/test/slow/ext_file/feof.php
@@ -0,0 +1,15 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing feof");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+var_dump(feof($f));
+echo fread($f, 20);
+echo "\n";
+var_dump(feof($f));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/feof.php.expect b/hphp/test/slow/ext_file/feof.php.expect
new file mode 100644
index 000000000..96d24f1bd
--- /dev/null
+++ b/hphp/test/slow/ext_file/feof.php.expect
@@ -0,0 +1,3 @@
+bool(false)
+testing feof
+bool(true)
diff --git a/hphp/test/slow/ext_file/fgetc.php b/hphp/test/slow/ext_file/fgetc.php
new file mode 100644
index 000000000..c3471dea4
--- /dev/null
+++ b/hphp/test/slow/ext_file/fgetc.php
@@ -0,0 +1,15 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing fgetc");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+var_dump(fgetc($f));
+var_dump(fgetc($f));
+var_dump(fgetc($f));
+var_dump(fgetc($f));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fgetc.php.expect b/hphp/test/slow/ext_file/fgetc.php.expect
new file mode 100644
index 000000000..7505a84de
--- /dev/null
+++ b/hphp/test/slow/ext_file/fgetc.php.expect
@@ -0,0 +1,4 @@
+string(1) "t"
+string(1) "e"
+string(1) "s"
+string(1) "t"
diff --git a/hphp/test/slow/ext_file/fgets.php b/hphp/test/slow/ext_file/fgets.php
new file mode 100644
index 000000000..495b6a7f6
--- /dev/null
+++ b/hphp/test/slow/ext_file/fgets.php
@@ -0,0 +1,14 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing\nfgets\n\n");
+fclose($f);
+
+$f = fopen($tempfile, 'r');
+var_dump(fgets($f));
+var_dump(fgets($f));
+var_dump(fgets($f));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fgets.php.expect b/hphp/test/slow/ext_file/fgets.php.expect
new file mode 100644
index 000000000..3a15275e6
--- /dev/null
+++ b/hphp/test/slow/ext_file/fgets.php.expect
@@ -0,0 +1,6 @@
+string(8) "testing
+"
+string(6) "fgets
+"
+string(1) "
+"
diff --git a/hphp/test/slow/ext_file/fgetss.php b/hphp/test/slow/ext_file/fgetss.php
new file mode 100644
index 000000000..fc75268d2
--- /dev/null
+++ b/hphp/test/slow/ext_file/fgetss.php
@@ -0,0 +1,12 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "<html><head>testing</head><body> fgetss</body></html>\n");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+var_dump(fgetss($f));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fgetss.php.expect b/hphp/test/slow/ext_file/fgetss.php.expect
new file mode 100644
index 000000000..81961332a
--- /dev/null
+++ b/hphp/test/slow/ext_file/fgetss.php.expect
@@ -0,0 +1,2 @@
+string(15) "testing fgetss
+"
diff --git a/hphp/test/slow/ext_file/file.php b/hphp/test/slow/ext_file/file.php
new file mode 100644
index 000000000..906b9081d
--- /dev/null
+++ b/hphp/test/slow/ext_file/file.php
@@ -0,0 +1,12 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing\nfile\n");
+fclose($f);
+
+$items = file($tempfile);
+var_dump($items);
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/file.php.expect b/hphp/test/slow/ext_file/file.php.expect
new file mode 100644
index 000000000..b84d2649a
--- /dev/null
+++ b/hphp/test/slow/ext_file/file.php.expect
@@ -0,0 +1,8 @@
+array(2) {
+  [0]=>
+  string(8) "testing
+"
+  [1]=>
+  string(5) "file
+"
+}
diff --git a/hphp/test/slow/ext_file/file_hash.php b/hphp/test/slow/ext_file/file_hash.php
new file mode 100644
index 000000000..e58c3086f
--- /dev/null
+++ b/hphp/test/slow/ext_file/file_hash.php
@@ -0,0 +1,4 @@
+<?php
+
+var_dump(md5_file(__DIR__.'/test_ext_file.txt'));
+var_dump(sha1_file(__DIR__.'/test_ext_file.txt'));
diff --git a/hphp/test/slow/ext_file/file_hash.php.expect b/hphp/test/slow/ext_file/file_hash.php.expect
new file mode 100644
index 000000000..a595bb8cf
--- /dev/null
+++ b/hphp/test/slow/ext_file/file_hash.php.expect
@@ -0,0 +1,2 @@
+string(32) "f53a9b64dc3846f27ee10848d0493320"
+string(40) "3f0f6cb904835174e35697d8262170aa060be3a5"
diff --git a/hphp/test/slow/ext_file/file_put_contents.php b/hphp/test/slow/ext_file/file_put_contents.php
new file mode 100644
index 000000000..8d7189bd7
--- /dev/null
+++ b/hphp/test/slow/ext_file/file_put_contents.php
@@ -0,0 +1,8 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+file_put_contents($tempfile, 'testing file_put_contents');
+var_dump(file_get_contents($tempfile));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/file_put_contents.php.expect b/hphp/test/slow/ext_file/file_put_contents.php.expect
new file mode 100644
index 000000000..75f1783a8
--- /dev/null
+++ b/hphp/test/slow/ext_file/file_put_contents.php.expect
@@ -0,0 +1 @@
+string(25) "testing file_put_contents"
diff --git a/hphp/test/slow/ext_file/fpassthru.php b/hphp/test/slow/ext_file/fpassthru.php
new file mode 100644
index 000000000..a5abb81fe
--- /dev/null
+++ b/hphp/test/slow/ext_file/fpassthru.php
@@ -0,0 +1,4 @@
+<?php
+
+$f = fopen(__DIR__.'/test_ext_file.txt', 'r');
+fpassthru($f);
diff --git a/hphp/test/ext/test_ext_file.txt b/hphp/test/slow/ext_file/fpassthru.php.expect
old mode 100755
new mode 100644
similarity index 100%
rename from hphp/test/ext/test_ext_file.txt
rename to hphp/test/slow/ext_file/fpassthru.php.expect
diff --git a/hphp/test/slow/ext_file/fprintf.php b/hphp/test/slow/ext_file/fprintf.php
new file mode 100644
index 000000000..2e4ffe977
--- /dev/null
+++ b/hphp/test/slow/ext_file/fprintf.php
@@ -0,0 +1,13 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fprintf($f, "%s %s", "testing", "fprintf");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+fpassthru($f);
+echo "\n";
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fprintf.php.expect b/hphp/test/slow/ext_file/fprintf.php.expect
new file mode 100644
index 000000000..5fdd8b127
--- /dev/null
+++ b/hphp/test/slow/ext_file/fprintf.php.expect
@@ -0,0 +1 @@
+testing fprintf
diff --git a/hphp/test/slow/ext_file/fputcsv.php b/hphp/test/slow/ext_file/fputcsv.php
new file mode 100644
index 000000000..83fc7a94a
--- /dev/null
+++ b/hphp/test/slow/ext_file/fputcsv.php
@@ -0,0 +1,19 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$fields = array('apple', "\"banana\"");
+$f = fopen($tempfile, 'w');
+// #2511892: have to specify all fields due to a bug
+fputcsv($f, $fields, ',', '"');
+fclose($f);
+
+$f = fopen($tempfile, 'r');
+fpassthru($f);
+fclose($f);
+
+$f = fopen($tempfile, 'r');
+$vals = fgetcsv($f, 0, ',', '"', '\\'); // #2511892
+var_dump($vals);
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fputcsv.php.expect b/hphp/test/slow/ext_file/fputcsv.php.expect
new file mode 100644
index 000000000..27c2a5243
--- /dev/null
+++ b/hphp/test/slow/ext_file/fputcsv.php.expect
@@ -0,0 +1,7 @@
+apple,"""banana"""
+array(2) {
+  [0]=>
+  string(5) "apple"
+  [1]=>
+  string(8) ""banana""
+}
diff --git a/hphp/test/slow/ext_file/fputs.php b/hphp/test/slow/ext_file/fputs.php
new file mode 100644
index 000000000..7aab3ecc1
--- /dev/null
+++ b/hphp/test/slow/ext_file/fputs.php
@@ -0,0 +1,12 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing fputs\n");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+fpassthru($f);
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fputs.php.expect b/hphp/test/slow/ext_file/fputs.php.expect
new file mode 100644
index 000000000..279c2898e
--- /dev/null
+++ b/hphp/test/slow/ext_file/fputs.php.expect
@@ -0,0 +1 @@
+testing fputs
diff --git a/hphp/test/slow/ext_file/fread.php b/hphp/test/slow/ext_file/fread.php
new file mode 100644
index 000000000..53fd614de
--- /dev/null
+++ b/hphp/test/slow/ext_file/fread.php
@@ -0,0 +1,14 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing fread");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+echo fread($f, 7);
+echo fread($f, 100);
+echo "\n";
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fread.php.expect b/hphp/test/slow/ext_file/fread.php.expect
new file mode 100644
index 000000000..dbbe547e3
--- /dev/null
+++ b/hphp/test/slow/ext_file/fread.php.expect
@@ -0,0 +1 @@
+testing fread
diff --git a/hphp/test/slow/ext_file/fscanf.php b/hphp/test/slow/ext_file/fscanf.php
new file mode 100644
index 000000000..079f61b36
--- /dev/null
+++ b/hphp/test/slow/ext_file/fscanf.php
@@ -0,0 +1,13 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing fscanf");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+$res = fscanf($f, "%s %s");
+var_dump($res);
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fscanf.php.expect b/hphp/test/slow/ext_file/fscanf.php.expect
new file mode 100644
index 000000000..d80004828
--- /dev/null
+++ b/hphp/test/slow/ext_file/fscanf.php.expect
@@ -0,0 +1,6 @@
+array(2) {
+  [0]=>
+  string(7) "testing"
+  [1]=>
+  string(6) "fscanf"
+}
diff --git a/hphp/test/slow/ext_file/fseek.php b/hphp/test/slow/ext_file/fseek.php
new file mode 100644
index 000000000..e90a4449b
--- /dev/null
+++ b/hphp/test/slow/ext_file/fseek.php
@@ -0,0 +1,17 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing fseek");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+fseek($f, -5, SEEK_END);
+echo fread($f, 7);
+echo "\n";
+fseek($f, 7);
+echo fread($f, 7);
+echo "\n";
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fseek.php.expect b/hphp/test/slow/ext_file/fseek.php.expect
new file mode 100644
index 000000000..e80713900
--- /dev/null
+++ b/hphp/test/slow/ext_file/fseek.php.expect
@@ -0,0 +1,2 @@
+fseek
+ fseek
diff --git a/hphp/test/slow/ext_file/fstat.php b/hphp/test/slow/ext_file/fstat.php
new file mode 100644
index 000000000..a41242f12
--- /dev/null
+++ b/hphp/test/slow/ext_file/fstat.php
@@ -0,0 +1,12 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing fseek");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+var_dump(fstat($f)['size']);
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fstat.php.expect b/hphp/test/slow/ext_file/fstat.php.expect
new file mode 100644
index 000000000..a2bea372c
--- /dev/null
+++ b/hphp/test/slow/ext_file/fstat.php.expect
@@ -0,0 +1 @@
+int(13)
diff --git a/hphp/test/slow/ext_file/ftell.php b/hphp/test/slow/ext_file/ftell.php
new file mode 100644
index 000000000..a3193259c
--- /dev/null
+++ b/hphp/test/slow/ext_file/ftell.php
@@ -0,0 +1,13 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing fseek");
+fclose($f);
+
+$f = fopen($tempfile, "r");
+fseek($f, -5, SEEK_END);
+var_dump(ftell($f));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/ftell.php.expect b/hphp/test/slow/ext_file/ftell.php.expect
new file mode 100644
index 000000000..d110ab2bc
--- /dev/null
+++ b/hphp/test/slow/ext_file/ftell.php.expect
@@ -0,0 +1 @@
+int(8)
diff --git a/hphp/test/slow/ext_file/ftruncate.php b/hphp/test/slow/ext_file/ftruncate.php
new file mode 100644
index 000000000..e3bab7ac4
--- /dev/null
+++ b/hphp/test/slow/ext_file/ftruncate.php
@@ -0,0 +1,16 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, "testing ftruncate");
+fclose($f);
+
+$f = fopen($tempfile, "r+");
+ftruncate($f, 7);
+fclose($f);
+
+$f = fopen($tempfile, "r");
+var_dump(fread($f, 20));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/ftruncate.php.expect b/hphp/test/slow/ext_file/ftruncate.php.expect
new file mode 100644
index 000000000..453977af9
--- /dev/null
+++ b/hphp/test/slow/ext_file/ftruncate.php.expect
@@ -0,0 +1 @@
+string(7) "testing"
diff --git a/hphp/test/slow/ext_file/fwrite.php b/hphp/test/slow/ext_file/fwrite.php
new file mode 100644
index 000000000..f4a201976
--- /dev/null
+++ b/hphp/test/slow/ext_file/fwrite.php
@@ -0,0 +1,13 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fwrite($f, "testing fwrite", 7);
+fclose($f);
+
+$f = fopen($tempfile, 'r');
+fpassthru($f);
+echo "\n";
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/fwrite.php.expect b/hphp/test/slow/ext_file/fwrite.php.expect
new file mode 100644
index 000000000..038d718da
--- /dev/null
+++ b/hphp/test/slow/ext_file/fwrite.php.expect
@@ -0,0 +1 @@
+testing
diff --git a/hphp/test/slow/ext_file/link.php b/hphp/test/slow/ext_file/link.php
new file mode 100644
index 000000000..294dabb64
--- /dev/null
+++ b/hphp/test/slow/ext_file/link.php
@@ -0,0 +1,17 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+$tempfile2 = tempnam('/tmp', 'vmextfiletest');
+
+unlink($tempfile2);
+var_dump(file_exists($tempfile2));
+link($tempfile, $tempfile2);
+var_dump(file_exists($tempfile2));
+
+unlink($tempfile2);
+var_dump(file_exists($tempfile2));
+symlink($tempfile, $tempfile2);
+var_dump(file_exists($tempfile2));
+
+unlink($tempfile);
+unlink($tempfile2);
diff --git a/hphp/test/slow/ext_file/link.php.expect b/hphp/test/slow/ext_file/link.php.expect
new file mode 100644
index 000000000..1ef7b15ac
--- /dev/null
+++ b/hphp/test/slow/ext_file/link.php.expect
@@ -0,0 +1,4 @@
+bool(false)
+bool(true)
+bool(false)
+bool(true)
diff --git a/hphp/test/slow/ext_file/names.php b/hphp/test/slow/ext_file/names.php
new file mode 100644
index 000000000..5b256bc81
--- /dev/null
+++ b/hphp/test/slow/ext_file/names.php
@@ -0,0 +1,8 @@
+<?php
+
+var_dump(basename('test/ext/test_ext_file.tmp'));
+var_dump(basename('test/ext/test_ext_file.tmp', '.tmp'));
+
+var_dump(fnmatch(__DIR__.'/test_*_file.txt', __DIR__.'/test_ext_file.txt'));
+
+var_dump(glob(__DIR__.'/test_*_file.txt'));
diff --git a/hphp/test/slow/ext_file/names.php.expectf b/hphp/test/slow/ext_file/names.php.expectf
new file mode 100644
index 000000000..5794c1a52
--- /dev/null
+++ b/hphp/test/slow/ext_file/names.php.expectf
@@ -0,0 +1,7 @@
+string(17) "test_ext_file.tmp"
+string(13) "test_ext_file"
+bool(true)
+array(1) {
+  [0]=>
+  string(%d) %s
+}
diff --git a/hphp/test/slow/ext_file/parse_hdf_string.php b/hphp/test/slow/ext_file/parse_hdf_string.php
new file mode 100644
index 000000000..741f6216b
--- /dev/null
+++ b/hphp/test/slow/ext_file/parse_hdf_string.php
@@ -0,0 +1,12 @@
+<?php
+
+$hdf = "bool = false\n".
+"string = text\n".
+"num = 12345\n".
+"arr {\n".
+"  bool = false\n".
+"  string = anothertext\n".
+"  num = 6789\n".
+"}\n";
+
+var_dump(parse_hdf_string($hdf));
diff --git a/hphp/test/slow/ext_file/parse_hdf_string.php.expect b/hphp/test/slow/ext_file/parse_hdf_string.php.expect
new file mode 100644
index 000000000..13a429062
--- /dev/null
+++ b/hphp/test/slow/ext_file/parse_hdf_string.php.expect
@@ -0,0 +1,17 @@
+array(4) {
+  ["bool"]=>
+  bool(false)
+  ["string"]=>
+  string(4) "text"
+  ["num"]=>
+  int(12345)
+  ["arr"]=>
+  array(3) {
+    ["bool"]=>
+    bool(false)
+    ["string"]=>
+    string(11) "anothertext"
+    ["num"]=>
+    int(6789)
+  }
+}
diff --git a/hphp/test/slow/ext_file/parse_ini_string.php b/hphp/test/slow/ext_file/parse_ini_string.php
new file mode 100644
index 000000000..b443d8669
--- /dev/null
+++ b/hphp/test/slow/ext_file/parse_ini_string.php
@@ -0,0 +1,19 @@
+<?php
+
+$ini =
+";;; Created on Tuesday, October 27, 2009 at 12:01 PM GMT\n".
+"[GJK_Browscap_Version]\n".
+"Version=4520\n".
+"Released=Tue, 27 Oct 2009 12:01:07 -0000\n".
+"\n".
+"\n;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DefaultProperties\n".
+"\n".
+"[DefaultProperties]\n".
+"Browser=\"DefaultProperties\"\n".
+"Version=0\n".
+"Platform=unknown\n".
+"Beta=false\n";
+
+var_dump(parse_ini_string($ini));
+echo "===\n";
+var_dump(parse_ini_string($ini, true));
diff --git a/hphp/test/slow/ext_file/parse_ini_string.php.expect b/hphp/test/slow/ext_file/parse_ini_string.php.expect
new file mode 100644
index 000000000..7c460eeaf
--- /dev/null
+++ b/hphp/test/slow/ext_file/parse_ini_string.php.expect
@@ -0,0 +1,33 @@
+array(5) {
+  ["Version"]=>
+  string(1) "0"
+  ["Released"]=>
+  string(31) "Tue, 27 Oct 2009 12:01:07 -0000"
+  ["Browser"]=>
+  string(17) "DefaultProperties"
+  ["Platform"]=>
+  string(7) "unknown"
+  ["Beta"]=>
+  string(0) ""
+}
+===
+array(2) {
+  ["GJK_Browscap_Version"]=>
+  array(2) {
+    ["Version"]=>
+    string(4) "4520"
+    ["Released"]=>
+    string(31) "Tue, 27 Oct 2009 12:01:07 -0000"
+  }
+  ["DefaultProperties"]=>
+  array(4) {
+    ["Browser"]=>
+    string(17) "DefaultProperties"
+    ["Version"]=>
+    string(1) "0"
+    ["Platform"]=>
+    string(7) "unknown"
+    ["Beta"]=>
+    string(0) ""
+  }
+}
diff --git a/hphp/test/slow/ext_file/pathinfo.php b/hphp/test/slow/ext_file/pathinfo.php
new file mode 100644
index 000000000..69478c50a
--- /dev/null
+++ b/hphp/test/slow/ext_file/pathinfo.php
@@ -0,0 +1,4 @@
+<?php
+
+var_dump(pathinfo(__DIR__.'/test_ext_file.txt'));
+
diff --git a/hphp/test/slow/ext_file/pathinfo.php.expectf b/hphp/test/slow/ext_file/pathinfo.php.expectf
new file mode 100644
index 000000000..fccac4b95
--- /dev/null
+++ b/hphp/test/slow/ext_file/pathinfo.php.expectf
@@ -0,0 +1,10 @@
+array(4) {
+  ["dirname"]=>
+  string(%d) %s
+  ["basename"]=>
+  string(17) "test_ext_file.txt"
+  ["extension"]=>
+  string(3) "txt"
+  ["filename"]=>
+  string(13) "test_ext_file"
+}
diff --git a/hphp/test/slow/ext_file/popen.php b/hphp/test/slow/ext_file/popen.php
new file mode 100644
index 000000000..d1cf8dc01
--- /dev/null
+++ b/hphp/test/slow/ext_file/popen.php
@@ -0,0 +1,16 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, 'testing popen');
+fclose($f);
+
+var_dump(file_exists($tempfile));
+var_dump(file_exists('somethingthatdoesntexist'));
+
+$f = popen("cat $tempfile", 'r');
+var_dump(fread($f, 20));
+pclose($f);
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/popen.php.expect b/hphp/test/slow/ext_file/popen.php.expect
new file mode 100644
index 000000000..64ad3b83e
--- /dev/null
+++ b/hphp/test/slow/ext_file/popen.php.expect
@@ -0,0 +1,3 @@
+bool(true)
+bool(false)
+string(13) "testing popen"
diff --git a/hphp/test/slow/ext_file/predicates.php b/hphp/test/slow/ext_file/predicates.php
new file mode 100644
index 000000000..99f9b0930
--- /dev/null
+++ b/hphp/test/slow/ext_file/predicates.php
@@ -0,0 +1,21 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+var_dump(is_file($tempfile));
+var_dump(is_dir($tempfile));
+var_dump(is_dir('/tmp'));
+var_dump(is_link($tempfile));
+var_dump(is_executable($tempfile));
+chmod($tempfile, 0777);
+var_dump(is_executable($tempfile));
+var_dump(is_writable($tempfile));
+var_dump(is_readable($tempfile));
+var_dump(is_uploaded_file($tempfile));
+var_dump(filetype($tempfile));
+
+unlink($tempfile);
+
+mkdir($tempfile);
+var_dump(is_dir($tempfile));
+rmdir($tempfile);
+var_dump(is_dir($tempfile));
diff --git a/hphp/test/slow/ext_file/predicates.php.expect b/hphp/test/slow/ext_file/predicates.php.expect
new file mode 100644
index 000000000..f0f648bf2
--- /dev/null
+++ b/hphp/test/slow/ext_file/predicates.php.expect
@@ -0,0 +1,12 @@
+bool(true)
+bool(false)
+bool(true)
+bool(false)
+bool(false)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+string(4) "file"
+bool(true)
+bool(false)
diff --git a/hphp/test/slow/ext_file/read_write.php b/hphp/test/slow/ext_file/read_write.php
new file mode 100644
index 000000000..23432451c
--- /dev/null
+++ b/hphp/test/slow/ext_file/read_write.php
@@ -0,0 +1,15 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fwrite($f, "testing read/write", 7);
+fclose($f);
+
+$f = fopen($tempfile, "r+");
+fseek($f, 8);
+fwrite($f, "succeeds");
+fseek($f, 8);
+var_dump(fread($f, 8));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/read_write.php.expect b/hphp/test/slow/ext_file/read_write.php.expect
new file mode 100644
index 000000000..8eb1bb6b8
--- /dev/null
+++ b/hphp/test/slow/ext_file/read_write.php.expect
@@ -0,0 +1 @@
+string(8) "succeeds"
diff --git a/hphp/test/slow/ext_file/readdir.php b/hphp/test/slow/ext_file/readdir.php
new file mode 100644
index 000000000..c0d030bd9
--- /dev/null
+++ b/hphp/test/slow/ext_file/readdir.php
@@ -0,0 +1,33 @@
+<?php
+
+$d = dir(__DIR__);
+while ($ent = readdir($d->handle)) {
+  if ($ent == 'test_ext_file.txt') {
+    var_dump($ent);
+  }
+}
+closedir($d);
+
+$d = opendir(__DIR__);
+while ($ent = readdir($d)) {
+  if ($ent == 'test_ext_file.txt') {
+    var_dump($ent);
+  }
+}
+
+rewinddir($d);
+
+while ($ent = readdir($d)) {
+  if ($ent == 'test_ext_file.txt') {
+    var_dump($ent);
+  }
+}
+
+closedir($d);
+
+foreach (scandir(__DIR__) as $x) {
+  if ($x == 'test_ext_file.txt') {
+    var_dump($x);
+  }
+}
+
diff --git a/hphp/test/slow/ext_file/readdir.php.expect b/hphp/test/slow/ext_file/readdir.php.expect
new file mode 100644
index 000000000..d6449f66b
--- /dev/null
+++ b/hphp/test/slow/ext_file/readdir.php.expect
@@ -0,0 +1,4 @@
+string(17) "test_ext_file.txt"
+string(17) "test_ext_file.txt"
+string(17) "test_ext_file.txt"
+string(17) "test_ext_file.txt"
diff --git a/hphp/test/slow/ext_file/readfile.php b/hphp/test/slow/ext_file/readfile.php
new file mode 100644
index 000000000..4415cf0a1
--- /dev/null
+++ b/hphp/test/slow/ext_file/readfile.php
@@ -0,0 +1,3 @@
+<?php
+
+readfile(__DIR__.'/test_ext_file.txt', 17);
diff --git a/hphp/test/slow/ext_file/readfile.php.expect b/hphp/test/slow/ext_file/readfile.php.expect
new file mode 100644
index 000000000..491f946ac
--- /dev/null
+++ b/hphp/test/slow/ext_file/readfile.php.expect
@@ -0,0 +1 @@
+Testing Ext File
diff --git a/hphp/test/slow/ext_file/rewind.php b/hphp/test/slow/ext_file/rewind.php
new file mode 100644
index 000000000..4eb8e8e2b
--- /dev/null
+++ b/hphp/test/slow/ext_file/rewind.php
@@ -0,0 +1,17 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+fputs($f, 'testing rewind');
+fclose($f);
+
+$f = fopen($tempfile, 'r');
+var_dump(fread($f, 7));
+var_dump(fread($f, 100));
+var_dump(fread($f, 7));
+rewind($f);
+var_dump(fread($f, 7));
+var_dump(fread($f, 100));
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/rewind.php.expect b/hphp/test/slow/ext_file/rewind.php.expect
new file mode 100644
index 000000000..7dbd4511e
--- /dev/null
+++ b/hphp/test/slow/ext_file/rewind.php.expect
@@ -0,0 +1,5 @@
+string(7) "testing"
+string(7) " rewind"
+string(0) ""
+string(7) "testing"
+string(7) " rewind"
diff --git a/hphp/test/slow/ext_file/test_ext_file.txt b/hphp/test/slow/ext_file/test_ext_file.txt
new file mode 100755
index 000000000..491f946ac
--- /dev/null
+++ b/hphp/test/slow/ext_file/test_ext_file.txt
@@ -0,0 +1 @@
+Testing Ext File
diff --git a/hphp/test/slow/ext_file/touch.php b/hphp/test/slow/ext_file/touch.php
new file mode 100644
index 000000000..a33170bb6
--- /dev/null
+++ b/hphp/test/slow/ext_file/touch.php
@@ -0,0 +1,24 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+touch($tempfile);
+var_dump(file_exists($tempfile));
+
+$tempfile2 = tempnam('/tmp', 'vmextfiletest');
+
+var_dump(file_exists($tempfile2));
+copy($tempfile, $tempfile2);
+var_dump(file_exists($tempfile2));
+
+$tempfile3 = tempnam('/tmp', 'vmextfiletest');
+
+var_dump(file_exists($tempfile2));
+rename($tempfile2, $tempfile3);
+var_dump(file_exists($tempfile2));
+
+var_dump(file_exists($tempfile3));
+
+unlink($tempfile);
+unlink($tempfile2);
+unlink($tempfile3);
diff --git a/hphp/test/slow/ext_file/touch.php.expect b/hphp/test/slow/ext_file/touch.php.expect
new file mode 100644
index 000000000..80cee8f38
--- /dev/null
+++ b/hphp/test/slow/ext_file/touch.php.expect
@@ -0,0 +1,6 @@
+bool(true)
+bool(true)
+bool(true)
+bool(true)
+bool(false)
+bool(true)
diff --git a/hphp/test/slow/ext_file/vfprintf.php b/hphp/test/slow/ext_file/vfprintf.php
new file mode 100644
index 000000000..c86688a4e
--- /dev/null
+++ b/hphp/test/slow/ext_file/vfprintf.php
@@ -0,0 +1,13 @@
+<?php
+
+$tempfile = tempnam('/tmp', 'vmextfiletest');
+
+$f = fopen($tempfile, 'w');
+vfprintf($f, "%s %s", array("testing", "vfprintf"));
+fclose($f);
+
+$f = fopen($tempfile, "r");
+fpassthru($f);
+echo "\n";
+
+unlink($tempfile);
diff --git a/hphp/test/slow/ext_file/vfprintf.php.expect b/hphp/test/slow/ext_file/vfprintf.php.expect
new file mode 100644
index 000000000..c9d5cd3a6
--- /dev/null
+++ b/hphp/test/slow/ext_file/vfprintf.php.expect
@@ -0,0 +1 @@
+testing vfprintf
diff --git a/hphp/test/slow/ext_file/write_hdf_string.php b/hphp/test/slow/ext_file/write_hdf_string.php
new file mode 100644
index 000000000..b59b9eed5
--- /dev/null
+++ b/hphp/test/slow/ext_file/write_hdf_string.php
@@ -0,0 +1,9 @@
+<?php
+
+$hdf = array(
+  'bool' => false,
+  'string' => 'asd',
+  'num' => 12345,
+  'arr' => array('bool' => false, 'string' => 'blah', 'num2' => 6789)
+);
+var_dump(write_hdf_string($hdf));
diff --git a/hphp/test/slow/ext_file/write_hdf_string.php.expect b/hphp/test/slow/ext_file/write_hdf_string.php.expect
new file mode 100644
index 000000000..01837bc2f
--- /dev/null
+++ b/hphp/test/slow/ext_file/write_hdf_string.php.expect
@@ -0,0 +1,9 @@
+string(91) "bool = false
+string = asd
+num = 12345
+arr {
+  bool = false
+  string = blah
+  num2 = 6789
+}
+"