1 files changed, 1051 insertions, 0 deletions
diff --git a/third-party/libuv/test/test-spawn.c b/third-party/libuv/test/test-spawn.c
new file mode 100644
index 0000000000..5f71fce2c0
--- /dev/null
+++ b/third-party/libuv/test/test-spawn.c
@@ -0,0 +1,1051 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "task.h"
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+
+
+static int close_cb_called;
+static int exit_cb_called;
+static uv_process_t process;
+static uv_timer_t timer;
+static uv_process_options_t options;
+static char exepath[1024];
+static size_t exepath_size = 1024;
+static char* args[3];
+static int no_term_signal;
+
+#define OUTPUT_SIZE 1024
+static char output[OUTPUT_SIZE];
+static int output_used;
+
+
+static void close_cb(uv_handle_t* handle) {
+  printf("close_cb\n");
+  close_cb_called++;
+}
+
+static void exit_cb(uv_process_t* process,
+                    int64_t exit_status,
+                    int term_signal) {
+  printf("exit_cb\n");
+  exit_cb_called++;
+  ASSERT(exit_status == 1);
+  ASSERT(term_signal == 0);
+  uv_close((uv_handle_t*)process, close_cb);
+}
+
+
+static void fail_cb(uv_process_t* process,
+                    int64_t exit_status,
+                    int term_signal) {
+  ASSERT(0 && "fail_cb called");
+}
+
+
+static void kill_cb(uv_process_t* process,
+                    int64_t exit_status,
+                    int term_signal) {
+  int err;
+
+  printf("exit_cb\n");
+  exit_cb_called++;
+#ifdef _WIN32
+  ASSERT(exit_status == 1);
+#else
+  ASSERT(exit_status == 0);
+#endif
+  ASSERT(no_term_signal || term_signal == 15);
+  uv_close((uv_handle_t*)process, close_cb);
+
+  /*
+   * Sending signum == 0 should check if the
+   * child process is still alive, not kill it.
+   * This process should be dead.
+   */
+  err = uv_kill(process->pid, 0);
+  ASSERT(err == UV_ESRCH);
+}
+
+static void detach_failure_cb(uv_process_t* process,
+                              int64_t exit_status,
+                              int term_signal) {
+  printf("detach_cb\n");
+  exit_cb_called++;
+}
+
+static void on_alloc(uv_handle_t* handle,
+                     size_t suggested_size,
+                     uv_buf_t* buf) {
+  buf->base = output + output_used;
+  buf->len = OUTPUT_SIZE - output_used;
+}
+
+
+static void on_read(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
+  if (nread > 0) {
+    output_used += nread;
+  } else if (nread < 0) {
+    ASSERT(nread == UV_EOF);
+    uv_close((uv_handle_t*)tcp, close_cb);
+  }
+}
+
+
+static void write_cb(uv_write_t* req, int status) {
+  ASSERT(status == 0);
+  uv_close((uv_handle_t*)req->handle, close_cb);
+}
+
+
+static void init_process_options(char* test, uv_exit_cb exit_cb) {
+  /* Note spawn_helper1 defined in test/run-tests.c */
+  int r = uv_exepath(exepath, &exepath_size);
+  ASSERT(r == 0);
+  exepath[exepath_size] = '\0';
+  args[0] = exepath;
+  args[1] = test;
+  args[2] = NULL;
+  options.file = exepath;
+  options.args = args;
+  options.exit_cb = exit_cb;
+  options.flags = 0;
+}
+
+
+static void timer_cb(uv_timer_t* handle, int status) {
+  uv_process_kill(&process, /* SIGTERM */ 15);
+  uv_close((uv_handle_t*)handle, close_cb);
+}
+
+
+TEST_IMPL(spawn_fails) {
+  int r;
+
+  init_process_options("", fail_cb);
+  options.file = options.args[0] = "program-that-had-better-not-exist";
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == UV_ENOENT || r == UV_EACCES);
+  ASSERT(0 == uv_is_active((uv_handle_t*) &process));
+  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_exit_code) {
+  int r;
+
+  init_process_options("spawn_helper1", exit_cb);
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 1);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_stdout) {
+  int r;
+  uv_pipe_t out;
+  uv_stdio_container_t stdio[2];
+
+  init_process_options("spawn_helper2", exit_cb);
+
+  uv_pipe_init(uv_default_loop(), &out, 0);
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_IGNORE;
+  options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[1].data.stream = (uv_stream_t*)&out;
+  options.stdio_count = 2;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 2); /* Once for process once for the pipe. */
+  printf("output is: %s", output);
+  ASSERT(strcmp("hello world\n", output) == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_stdout_to_file) {
+  int r;
+  uv_file file;
+  uv_fs_t fs_req;
+  uv_stdio_container_t stdio[2];
+
+  /* Setup. */
+  unlink("stdout_file");
+
+  init_process_options("spawn_helper2", exit_cb);
+
+  r = uv_fs_open(uv_default_loop(), &fs_req, "stdout_file", O_CREAT | O_RDWR,
+      S_IRUSR | S_IWUSR, NULL);
+  ASSERT(r != -1);
+  uv_fs_req_cleanup(&fs_req);
+
+  file = r;
+
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_IGNORE;
+  options.stdio[1].flags = UV_INHERIT_FD;
+  options.stdio[1].data.fd = file;
+  options.stdio_count = 2;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 1);
+
+  r = uv_fs_read(uv_default_loop(), &fs_req, file, output, sizeof(output),
+      0, NULL);
+  ASSERT(r == 12);
+  uv_fs_req_cleanup(&fs_req);
+
+  r = uv_fs_close(uv_default_loop(), &fs_req, file, NULL);
+  ASSERT(r == 0);
+  uv_fs_req_cleanup(&fs_req);
+
+  printf("output is: %s", output);
+  ASSERT(strcmp("hello world\n", output) == 0);
+
+  /* Cleanup. */
+  unlink("stdout_file");
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_stdout_and_stderr_to_file) {
+  int r;
+  uv_file file;
+  uv_fs_t fs_req;
+  uv_stdio_container_t stdio[3];
+
+  /* Setup. */
+  unlink("stdout_file");
+
+  init_process_options("spawn_helper6", exit_cb);
+
+  r = uv_fs_open(uv_default_loop(), &fs_req, "stdout_file", O_CREAT | O_RDWR,
+      S_IREAD | S_IWRITE, NULL);
+  ASSERT(r != -1);
+  uv_fs_req_cleanup(&fs_req);
+
+  file = r;
+
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_IGNORE;
+  options.stdio[1].flags = UV_INHERIT_FD;
+  options.stdio[1].data.fd = file;
+  options.stdio[2].flags = UV_INHERIT_FD;
+  options.stdio[2].data.fd = file;
+  options.stdio_count = 3;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 1);
+
+  r = uv_fs_read(uv_default_loop(), &fs_req, file, output, sizeof(output),
+      0, NULL);
+  ASSERT(r == 27);
+  uv_fs_req_cleanup(&fs_req);
+
+  r = uv_fs_close(uv_default_loop(), &fs_req, file, NULL);
+  ASSERT(r == 0);
+  uv_fs_req_cleanup(&fs_req);
+
+  printf("output is: %s", output);
+  ASSERT(strcmp("hello world\nhello errworld\n", output) == 0);
+
+  /* Cleanup. */
+  unlink("stdout_file");
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_stdin) {
+  int r;
+  uv_pipe_t out;
+  uv_pipe_t in;
+  uv_write_t write_req;
+  uv_buf_t buf;
+  uv_stdio_container_t stdio[2];
+  char buffer[] = "hello-from-spawn_stdin";
+
+  init_process_options("spawn_helper3", exit_cb);
+
+  uv_pipe_init(uv_default_loop(), &out, 0);
+  uv_pipe_init(uv_default_loop(), &in, 0);
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
+  options.stdio[0].data.stream = (uv_stream_t*)&in;
+  options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[1].data.stream = (uv_stream_t*)&out;
+  options.stdio_count = 2;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  buf.base = buffer;
+  buf.len = sizeof(buffer);
+  r = uv_write(&write_req, (uv_stream_t*)&in, &buf, 1, write_cb);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 3); /* Once for process twice for the pipe. */
+  ASSERT(strcmp(buffer, output) == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_stdio_greater_than_3) {
+  int r;
+  uv_pipe_t pipe;
+  uv_stdio_container_t stdio[4];
+
+  init_process_options("spawn_helper5", exit_cb);
+
+  uv_pipe_init(uv_default_loop(), &pipe, 0);
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_IGNORE;
+  options.stdio[1].flags = UV_IGNORE;
+  options.stdio[2].flags = UV_IGNORE;
+  options.stdio[3].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[3].data.stream = (uv_stream_t*)&pipe;
+  options.stdio_count = 4;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*) &pipe, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 2); /* Once for process once for the pipe. */
+  printf("output from stdio[3] is: %s", output);
+  ASSERT(strcmp("fourth stdio!\n", output) == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_ignored_stdio) {
+  int r;
+
+  init_process_options("spawn_helper6", exit_cb);
+
+  options.stdio = NULL;
+  options.stdio_count = 0;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 1);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_and_kill) {
+  int r;
+
+  init_process_options("spawn_helper4", kill_cb);
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_timer_init(uv_default_loop(), &timer);
+  ASSERT(r == 0);
+
+  r = uv_timer_start(&timer, timer_cb, 500, 0);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 2); /* Once for process and once for timer. */
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_preserve_env) {
+  int r;
+  uv_pipe_t out;
+  uv_stdio_container_t stdio[2];
+
+  init_process_options("spawn_helper7", exit_cb);
+
+  uv_pipe_init(uv_default_loop(), &out, 0);
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_IGNORE;
+  options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[1].data.stream = (uv_stream_t*) &out;
+  options.stdio_count = 2;
+
+  r = putenv("ENV_TEST=testval");
+  ASSERT(r == 0);
+
+  /* Explicitly set options.env to NULL to test for env clobbering. */
+  options.env = NULL;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 2);
+
+  printf("output is: %s", output);
+  ASSERT(strcmp("testval", output) == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_detached) {
+  int r;
+
+  init_process_options("spawn_helper4", detach_failure_cb);
+
+  options.flags |= UV_PROCESS_DETACHED;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  uv_unref((uv_handle_t*)&process);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 0);
+
+  r = uv_kill(process.pid, 0);
+  ASSERT(r == 0);
+
+  r = uv_kill(process.pid, 15);
+  ASSERT(r == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+TEST_IMPL(spawn_and_kill_with_std) {
+  int r;
+  uv_pipe_t in, out, err;
+  uv_write_t write;
+  char message[] = "Nancy's joining me because the message this evening is "
+                   "not my message but ours.";
+  uv_buf_t buf;
+  uv_stdio_container_t stdio[3];
+
+  init_process_options("spawn_helper4", kill_cb);
+
+  r = uv_pipe_init(uv_default_loop(), &in, 0);
+  ASSERT(r == 0);
+
+  r = uv_pipe_init(uv_default_loop(), &out, 0);
+  ASSERT(r == 0);
+
+  r = uv_pipe_init(uv_default_loop(), &err, 0);
+  ASSERT(r == 0);
+
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
+  options.stdio[0].data.stream = (uv_stream_t*)&in;
+  options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[1].data.stream = (uv_stream_t*)&out;
+  options.stdio[2].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[2].data.stream = (uv_stream_t*)&err;
+  options.stdio_count = 3;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  buf = uv_buf_init(message, sizeof message);
+  r = uv_write(&write, (uv_stream_t*) &in, &buf, 1, write_cb);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*) &err, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  r = uv_timer_init(uv_default_loop(), &timer);
+  ASSERT(r == 0);
+
+  r = uv_timer_start(&timer, timer_cb, 500, 0);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 5); /* process x 1, timer x 1, stdio x 3. */
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_and_ping) {
+  uv_write_t write_req;
+  uv_pipe_t in, out;
+  uv_buf_t buf;
+  uv_stdio_container_t stdio[2];
+  int r;
+
+  init_process_options("spawn_helper3", exit_cb);
+  buf = uv_buf_init("TEST", 4);
+
+  uv_pipe_init(uv_default_loop(), &out, 0);
+  uv_pipe_init(uv_default_loop(), &in, 0);
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
+  options.stdio[0].data.stream = (uv_stream_t*)&in;
+  options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[1].data.stream = (uv_stream_t*)&out;
+  options.stdio_count = 2;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  /* Sending signum == 0 should check if the
+   * child process is still alive, not kill it.
+   */
+  r = uv_process_kill(&process, 0);
+  ASSERT(r == 0);
+
+  r = uv_write(&write_req, (uv_stream_t*)&in, &buf, 1, write_cb);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*)&out, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(strcmp(output, "TEST") == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_same_stdout_stderr) {
+  uv_write_t write_req;
+  uv_pipe_t in, out;
+  uv_buf_t buf;
+  uv_stdio_container_t stdio[3];
+  int r;
+
+  init_process_options("spawn_helper3", exit_cb);
+  buf = uv_buf_init("TEST", 4);
+
+  uv_pipe_init(uv_default_loop(), &out, 0);
+  uv_pipe_init(uv_default_loop(), &in, 0);
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
+  options.stdio[0].data.stream = (uv_stream_t*)&in;
+  options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[1].data.stream = (uv_stream_t*)&out;
+  options.stdio_count = 2;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  /* Sending signum == 0 should check if the
+   * child process is still alive, not kill it.
+   */
+  r = uv_process_kill(&process, 0);
+  ASSERT(r == 0);
+
+  r = uv_write(&write_req, (uv_stream_t*)&in, &buf, 1, write_cb);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*)&out, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(strcmp(output, "TEST") == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(kill) {
+  int r;
+
+#ifdef _WIN32
+  no_term_signal = 1;
+#endif
+
+  init_process_options("spawn_helper4", kill_cb);
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  /* Sending signum == 0 should check if the
+   * child process is still alive, not kill it.
+   */
+  r = uv_kill(process.pid, 0);
+  ASSERT(r == 0);
+
+  /* Kill the process. */
+  r = uv_kill(process.pid, /* SIGTERM */ 15);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 1);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+#ifdef _WIN32
+TEST_IMPL(spawn_detect_pipe_name_collisions_on_windows) {
+  int r;
+  uv_pipe_t out;
+  char name[64];
+  HANDLE pipe_handle;
+  uv_stdio_container_t stdio[2];
+
+  init_process_options("spawn_helper2", exit_cb);
+
+  uv_pipe_init(uv_default_loop(), &out, 0);
+  options.stdio = stdio;
+  options.stdio[0].flags = UV_IGNORE;
+  options.stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+  options.stdio[1].data.stream = (uv_stream_t*)&out;
+  options.stdio_count = 2;
+
+  /* Create a pipe that'll cause a collision. */
+  _snprintf(name,
+            sizeof(name),
+            "\\\\.\\pipe\\uv\\%p-%d",
+            &out,
+            GetCurrentProcessId());
+  pipe_handle = CreateNamedPipeA(name,
+                                PIPE_ACCESS_INBOUND | FILE_FLAG_OVERLAPPED,
+                                PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
+                                10,
+                                65536,
+                                65536,
+                                0,
+                                NULL);
+  ASSERT(pipe_handle != INVALID_HANDLE_VALUE);
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_read_start((uv_stream_t*) &out, on_alloc, on_read);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 2); /* Once for process once for the pipe. */
+  printf("output is: %s", output);
+  ASSERT(strcmp("hello world\n", output) == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+int make_program_args(char** args, int verbatim_arguments, WCHAR** dst_ptr);
+WCHAR* quote_cmd_arg(const WCHAR *source, WCHAR *target);
+
+TEST_IMPL(argument_escaping) {
+  const WCHAR* test_str[] = {
+    L"HelloWorld",
+    L"Hello World",
+    L"Hello\"World",
+    L"Hello World\\",
+    L"Hello\\\"World",
+    L"Hello\\World",
+    L"Hello\\\\World",
+    L"Hello World\\",
+    L"c:\\path\\to\\node.exe --eval \"require('c:\\\\path\\\\to\\\\test.js')\""
+  };
+  const int count = sizeof(test_str) / sizeof(*test_str);
+  WCHAR** test_output;
+  WCHAR* command_line;
+  WCHAR** cracked;
+  size_t total_size = 0;
+  int i;
+  int num_args;
+  int result;
+
+  char* verbatim[] = {
+    "cmd.exe",
+    "/c",
+    "c:\\path\\to\\node.exe --eval \"require('c:\\\\path\\\\to\\\\test.js')\"",
+    NULL
+  };
+  WCHAR* verbatim_output;
+  WCHAR* non_verbatim_output;
+
+  test_output = calloc(count, sizeof(WCHAR*));
+  for (i = 0; i < count; ++i) {
+    test_output[i] = calloc(2 * (wcslen(test_str[i]) + 2), sizeof(WCHAR));
+    quote_cmd_arg(test_str[i], test_output[i]);
+    wprintf(L"input : %s\n", test_str[i]);
+    wprintf(L"output: %s\n", test_output[i]);
+    total_size += wcslen(test_output[i]) + 1;
+  }
+  command_line = calloc(total_size + 1, sizeof(WCHAR));
+  for (i = 0; i < count; ++i) {
+    wcscat(command_line, test_output[i]);
+    wcscat(command_line, L" ");
+  }
+  command_line[total_size - 1] = L'\0';
+
+  wprintf(L"command_line: %s\n", command_line);
+
+  cracked = CommandLineToArgvW(command_line, &num_args);
+  for (i = 0; i < num_args; ++i) {
+    wprintf(L"%d: %s\t%s\n", i, test_str[i], cracked[i]);
+    ASSERT(wcscmp(test_str[i], cracked[i]) == 0);
+  }
+
+  LocalFree(cracked);
+  for (i = 0; i < count; ++i) {
+    free(test_output[i]);
+  }
+
+  result = make_program_args(verbatim, 1, &verbatim_output);
+  ASSERT(result == 0);
+  result = make_program_args(verbatim, 0, &non_verbatim_output);
+  ASSERT(result == 0);
+
+  wprintf(L"    verbatim_output: %s\n", verbatim_output);
+  wprintf(L"non_verbatim_output: %s\n", non_verbatim_output);
+
+  ASSERT(wcscmp(verbatim_output,
+                L"cmd.exe /c c:\\path\\to\\node.exe --eval "
+                L"\"require('c:\\\\path\\\\to\\\\test.js')\"") == 0);
+  ASSERT(wcscmp(non_verbatim_output,
+                L"cmd.exe /c \"c:\\path\\to\\node.exe --eval "
+                L"\\\"require('c:\\\\path\\\\to\\\\test.js')\\\"\"") == 0);
+
+  free(verbatim_output);
+  free(non_verbatim_output);
+
+  return 0;
+}
+
+int make_program_env(char** env_block, WCHAR** dst_ptr);
+
+TEST_IMPL(environment_creation) {
+  int i;
+  char* environment[] = {
+    "FOO=BAR",
+    "SYSTEM=ROOT", /* substring of a supplied var name */
+    "SYSTEMROOTED=OMG", /* supplied var name is a substring */
+    "TEMP=C:\\Temp",
+    "BAZ=QUX",
+    NULL
+  };
+
+  WCHAR expected[512];
+  WCHAR* ptr = expected;
+  int result;
+  WCHAR* str;
+  WCHAR* env;
+
+  for (i = 0; i < sizeof(environment) / sizeof(environment[0]) - 1; i++) {
+    ptr += uv_utf8_to_utf16(environment[i],
+                            ptr,
+                            expected + sizeof(expected) - ptr);
+  }
+
+  memcpy(ptr, L"SYSTEMROOT=", sizeof(L"SYSTEMROOT="));
+  ptr += sizeof(L"SYSTEMROOT=")/sizeof(WCHAR) - 1;
+  ptr += GetEnvironmentVariableW(L"SYSTEMROOT",
+                                 ptr,
+                                 expected + sizeof(expected) - ptr);
+  ++ptr;
+
+  memcpy(ptr, L"SYSTEMDRIVE=", sizeof(L"SYSTEMDRIVE="));
+  ptr += sizeof(L"SYSTEMDRIVE=")/sizeof(WCHAR) - 1;
+  ptr += GetEnvironmentVariableW(L"SYSTEMDRIVE",
+                                 ptr,
+                                 expected + sizeof(expected) - ptr);
+  ++ptr;
+  *ptr = '\0';
+
+  result = make_program_env(environment, &env);
+  ASSERT(result == 0);
+
+  for (str = env; *str; str += wcslen(str) + 1) {
+    wprintf(L"%s\n", str);
+  }
+
+  ASSERT(wcscmp(expected, env) == 0);
+
+  return 0;
+}
+#endif
+
+#ifndef _WIN32
+TEST_IMPL(spawn_setuid_setgid) {
+  int r;
+
+  /* if not root, then this will fail. */
+  uv_uid_t uid = getuid();
+  if (uid != 0) {
+    fprintf(stderr, "spawn_setuid_setgid skipped: not root\n");
+    return 0;
+  }
+
+  init_process_options("spawn_helper1", exit_cb);
+
+  /* become the "nobody" user. */
+  struct passwd* pw;
+  pw = getpwnam("nobody");
+  ASSERT(pw != NULL);
+  options.uid = pw->pw_uid;
+  options.gid = pw->pw_gid;
+  options.flags = UV_PROCESS_SETUID | UV_PROCESS_SETGID;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == 0);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(exit_cb_called == 1);
+  ASSERT(close_cb_called == 1);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+#endif
+
+
+#ifndef _WIN32
+TEST_IMPL(spawn_setuid_fails) {
+  int r;
+
+  /* if root, become nobody. */
+  uv_uid_t uid = getuid();
+  if (uid == 0) {
+    struct passwd* pw;
+    pw = getpwnam("nobody");
+    ASSERT(pw != NULL);
+    ASSERT(0 == setgid(pw->pw_gid));
+    ASSERT(0 == setuid(pw->pw_uid));
+  }
+
+  init_process_options("spawn_helper1", fail_cb);
+
+  options.flags |= UV_PROCESS_SETUID;
+  options.uid = 0;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == UV_EPERM);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(close_cb_called == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_setgid_fails) {
+  int r;
+
+  /* if root, become nobody. */
+  uv_uid_t uid = getuid();
+  if (uid == 0) {
+    struct passwd* pw;
+    pw = getpwnam("nobody");
+    ASSERT(pw != NULL);
+    ASSERT(0 == setgid(pw->pw_gid));
+    ASSERT(0 == setuid(pw->pw_uid));
+  }
+
+  init_process_options("spawn_helper1", fail_cb);
+
+  options.flags |= UV_PROCESS_SETGID;
+  options.gid = 0;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == UV_EPERM);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(close_cb_called == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+#endif
+
+
+#ifdef _WIN32
+
+static void exit_cb_unexpected(uv_process_t* process,
+                               int64_t exit_status,
+                               int term_signal) {
+  ASSERT(0 && "should not have been called");
+}
+
+
+TEST_IMPL(spawn_setuid_fails) {
+  int r;
+
+  init_process_options("spawn_helper1", exit_cb_unexpected);
+
+  options.flags |= UV_PROCESS_SETUID;
+  options.uid = (uv_uid_t) -42424242;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == UV_ENOTSUP);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(close_cb_called == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+
+
+TEST_IMPL(spawn_setgid_fails) {
+  int r;
+
+  init_process_options("spawn_helper1", exit_cb_unexpected);
+
+  options.flags |= UV_PROCESS_SETGID;
+  options.gid = (uv_gid_t) -42424242;
+
+  r = uv_spawn(uv_default_loop(), &process, &options);
+  ASSERT(r == UV_ENOTSUP);
+
+  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  ASSERT(r == 0);
+
+  ASSERT(close_cb_called == 0);
+
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}
+#endif
+
+
+TEST_IMPL(spawn_auto_unref) {
+  init_process_options("spawn_helper1", NULL);
+  ASSERT(0 == uv_spawn(uv_default_loop(), &process, &options));
+  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
+  ASSERT(0 == uv_is_closing((uv_handle_t*) &process));
+  uv_close((uv_handle_t*) &process, NULL);
+  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
+  ASSERT(1 == uv_is_closing((uv_handle_t*) &process));
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}