LCOV - code coverage report
Current view: top level - libs/testitall/tests/src - test_libtestitall_0005.c (source / functions) Coverage Total Hit
Test: coverage.info Lines: 98.6 % 70 69
Test Date: 2026-07-12 01:01:34 Functions: 100.0 % 1 1
Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : #include "test_libtestitall_all.h"
       2                 :             : #include <sys/stat.h>
       3                 :             : #include <unistd.h>
       4                 :             : 
       5                 :             : /**
       6                 :             :  * @brief Check create_tmpdir() fallback and configured parent directory selection
       7                 :             :  * @details Verifies fallback to P_tmpdir or /tmp when TMPDIR is unset. Verifies
       8                 :             :  * TMPDIR is honored when it is set. Verifies each generated directory name
       9                 :             :  * contains a non-empty prefix and an mkdtemp-compatible suffix
      10                 :             :  *
      11                 :             :  * @return Return status code
      12                 :             :  */
      13                 :           1 : Return test_libtestitall_0005(void)
      14                 :             : {
      15                 :           1 :         INITTEST;
      16                 :             : 
      17                 :           1 :         m_create(char,fallback_tmpdir,MEMORY_STRING);
      18                 :           1 :         m_create(char,nested_tmpdir,MEMORY_STRING);
      19                 :           1 :         char *saved_tmpdir = NULL;
      20                 :           1 :         const char *original_tmpdir = getenv("TMPDIR");
      21                 :           1 :         const char *expected_root = "/tmp";
      22                 :           1 :         const char *fallback_path = NULL;
      23                 :           1 :         const char *nested_path = NULL;
      24                 :           1 :         int remove_nested_status = 0;
      25                 :           1 :         int remove_fallback_status = 0;
      26                 :           1 :         int restore_tmpdir_status = 0;
      27                 :             : 
      28                 :             :         #ifdef P_tmpdir
      29                 :           1 :         IF(P_tmpdir[0] != '\0')
      30                 :             :         {
      31                 :           1 :                 expected_root = P_tmpdir;
      32                 :             :         }
      33                 :             :         #endif
      34                 :             : 
      35                 :           1 :         IF(original_tmpdir != NULL)
      36                 :             :         {
      37                 :           1 :                 saved_tmpdir = strdup(original_tmpdir);
      38                 :           1 :                 ASSERT(saved_tmpdir != NULL);
      39                 :             :         }
      40                 :             : 
      41                 :           1 :         ASSERT(unsetenv("TMPDIR") == 0);
      42                 :             : 
      43                 :           1 :         ASSERT(SUCCESS == create_tmpdir(fallback_tmpdir));
      44                 :           1 :         fallback_path = m_text(fallback_tmpdir);
      45                 :           1 :         ASSERT(fallback_path != NULL);
      46                 :             : 
      47                 :           1 :         IF(SUCCESS == status)
      48                 :             :         {
      49                 :           1 :                 const size_t expected_root_length = strlen(expected_root);
      50                 :           1 :                 const size_t fallback_path_length = strlen(fallback_path);
      51                 :           1 :                 const char *fallback_name_separator = strrchr(fallback_path,'/');
      52                 :           1 :                 const char *suffix_separator = strrchr(fallback_path,'.');
      53                 :             : 
      54                 :           1 :                 ASSERT(expected_root_length > 0U);
      55                 :           1 :                 ASSERT(fallback_path_length > expected_root_length);
      56                 :           1 :                 ASSERT(0 == strncmp(fallback_path,expected_root,expected_root_length));
      57                 :           1 :                 ASSERT(fallback_name_separator != NULL);
      58                 :           1 :                 ASSERT(fallback_name_separator + ('/' == expected_root[expected_root_length - 1U])
      59                 :             :                         == fallback_path + expected_root_length);
      60                 :           1 :                 ASSERT(fallback_name_separator[1U] != '\0');
      61                 :           1 :                 ASSERT(suffix_separator != NULL);
      62                 :           1 :                 ASSERT(suffix_separator != fallback_name_separator + 1U);
      63                 :           1 :                 ASSERT(strlen(suffix_separator + 1U) == 6U);
      64                 :             :                 struct stat directory_stat;
      65                 :           1 :                 ASSERT(0 == stat(fallback_path,&directory_stat));
      66                 :           1 :                 ASSERT(S_ISDIR(directory_stat.st_mode));
      67                 :           1 :                 ASSERT(SUCCESS == set_environment_variable("TMPDIR",fallback_path));
      68                 :             :         }
      69                 :             : 
      70                 :           1 :         ASSERT(SUCCESS == create_tmpdir(nested_tmpdir));
      71                 :           1 :         nested_path = m_text(nested_tmpdir);
      72                 :           1 :         ASSERT(nested_path != NULL);
      73                 :             : 
      74                 :           1 :         IF(SUCCESS == status)
      75                 :             :         {
      76                 :           1 :                 const size_t prefix_length = strlen(fallback_path);
      77                 :           1 :                 const size_t nested_path_length = strlen(nested_path);
      78                 :           1 :                 const char *nested_name_separator = strrchr(nested_path,'/');
      79                 :           1 :                 const char *suffix_separator = strrchr(nested_path,'.');
      80                 :             : 
      81                 :           1 :                 ASSERT(nested_path_length > prefix_length);
      82                 :           1 :                 ASSERT(0 == strncmp(nested_path,fallback_path,prefix_length));
      83                 :           1 :                 ASSERT(nested_name_separator != NULL);
      84                 :           1 :                 ASSERT(nested_name_separator == nested_path + prefix_length);
      85                 :           1 :                 ASSERT(nested_name_separator[1U] != '\0');
      86                 :           1 :                 ASSERT(suffix_separator != NULL);
      87                 :           1 :                 ASSERT(suffix_separator != nested_name_separator + 1U);
      88                 :           1 :                 ASSERT(strlen(suffix_separator + 1U) == 6U);
      89                 :             :                 struct stat directory_stat;
      90                 :           1 :                 ASSERT(0 == stat(nested_path,&directory_stat));
      91                 :           1 :                 ASSERT(S_ISDIR(directory_stat.st_mode));
      92                 :             :         }
      93                 :             : 
      94                 :           1 :         IF(nested_path != NULL && nested_path[0] != '\0')
      95                 :             :         {
      96                 :           1 :                 remove_nested_status = rmdir(nested_path);
      97                 :             :         }
      98                 :             : 
      99                 :           1 :         IF(fallback_path != NULL && fallback_path[0] != '\0')
     100                 :             :         {
     101                 :           1 :                 remove_fallback_status = rmdir(fallback_path);
     102                 :             :         }
     103                 :             : 
     104                 :           1 :         IF(saved_tmpdir != NULL)
     105                 :             :         {
     106                 :           1 :                 restore_tmpdir_status = setenv("TMPDIR",saved_tmpdir,1);
     107                 :             :         } else {
     108                 :           0 :                 restore_tmpdir_status = unsetenv("TMPDIR");
     109                 :             :         }
     110                 :             : 
     111                 :           1 :         ASSERT(remove_nested_status == 0);
     112                 :           1 :         ASSERT(remove_fallback_status == 0);
     113                 :           1 :         ASSERT(restore_tmpdir_status == 0);
     114                 :             : 
     115                 :           1 :         free(saved_tmpdir);
     116                 :             : 
     117                 :           1 :         call(m_del(nested_tmpdir));
     118                 :           1 :         call(m_del(fallback_tmpdir));
     119                 :             : 
     120                 :           1 :         RETURN_STATUS;
     121                 :             : }
        

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