src/util/process_test.c

   1 /*
   2  * Copyright © 2020 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /* A collection of unit tests for u_process.c */
  25
  26 #include "util/detect_os.h"
  27 #include "util/u_process.h"
  28 #include <stdio.h>
  29 #include <stdbool.h>
  30 #include <string.h>
  31 #include <limits.h>
  32 #include <stdlib.h>
  33
  34 #if DETECT_OS_WINDOWS && !defined(PATH_MAX)
  35 #include <windows.h>
  36 #define PATH_MAX MAX_PATH
  37 #endif
  38
  39 bool error = false;
  40
  41 static void
  42 expect_equal_str(const char *expected, const char *actual, const char *test)
  43 {
  44    if (strcmp(expected, actual)) {
  45       fprintf (stderr, "Error: Test '%s' failed:\n\t"
  46                "Expected=\"%s\", Actual=\"%s\"\n",
  47                test, expected, actual);
  48       error = true;
  49    }
  50 }
  51
  52 static void
  53 test_util_get_process_name (void)
  54 {
  55    #if !DETECT_OS_WINDOWS
  56    const char* name = util_get_process_name();
  57    expect_equal_str("process_test", name, "util_get_process_name");
  58    #endif
  59 }
  60
  61 /* This test gets the real path from Meson (BUILD_FULL_PATH env var),
  62  * and compares it to the output of util_get_process_exec_path.
  63  */
  64 static void
  65 test_util_get_process_exec_path (void)
  66 {
  67    char path[PATH_MAX];
  68    if (util_get_process_exec_path(path, PATH_MAX) == 0) {
  69       error = true;
  70       return;
  71    }
  72    char* build_path = getenv("BUILD_FULL_PATH");
  73    if (!build_path) {
  74       fprintf(stderr, "BUILD_FULL_PATH environment variable should be set\n");
  75       error = true;
  76       return;
  77    }
  78 #ifdef __CYGWIN__
  79    int i = strlen(build_path) - 4;
  80    if ((i > 0) && (strcmp(&build_path[i], ".exe") == 0))
  81       build_path[i] = 0;
  82 #endif
  83    expect_equal_str(build_path, path, "util_get_process_name");
  84 }
  85
  86 int
  87 main (void)
  88 {
  89    test_util_get_process_name();
  90    test_util_get_process_exec_path();
  91
  92    return error ? 1 : 0;
  93 }