/* 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 <string.h>

#ifndef _WIN32

#include <unistd.h>

#endif

#define PATHMAX 4096

extern char executable_path[];

TEST_IMPL(get_currentexe) {

/* TODO(gengjiawen): Fix test on QEMU. */

#if defined(__QEMU__)

  RETURN_SKIP("Test does not currently work in QEMU");

#endif

  char buffer[PATHMAX];

  char path[PATHMAX];

  size_t size;

  char* match;

  int r;

  size = sizeof(buffer) / sizeof(buffer[0]);

  r = uv_exepath(buffer, &size);

  ASSERT(!r);

#ifdef _WIN32

  snprintf(path, sizeof(path), "%s", executable_path);

#else

  ASSERT(NULL != realpath(executable_path, path));

#endif

  match = strstr(buffer, path);

  /* Verify that the path returned from uv_exepath is a subdirectory of

   * executable_path.

   */

  ASSERT(match && !strcmp(match, path));

  ASSERT(size == strlen(buffer));

  /* Negative tests */

  size = sizeof(buffer) / sizeof(buffer[0]);

  r = uv_exepath(NULL, &size);

  ASSERT(r == UV_EINVAL);

  r = uv_exepath(buffer, NULL);

  ASSERT(r == UV_EINVAL);

  size = 0;

  r = uv_exepath(buffer, &size);

  ASSERT(r == UV_EINVAL);

  memset(buffer, -1, sizeof(buffer));

  size = 1;

  r = uv_exepath(buffer, &size);

  ASSERT(r == 0);

  ASSERT(size == 0);

  ASSERT(buffer[0] == '\0');

  memset(buffer, -1, sizeof(buffer));

  size = 2;

  r = uv_exepath(buffer, &size);

  ASSERT(r == 0);

  ASSERT(size == 1);

  ASSERT(buffer[0] != '\0');

  ASSERT(buffer[1] == '\0');

  return 0;

}