compiler-rt/test/memprof/TestCases/log_path_test.cpp

   1 // The for loop in the backticks below requires bash.
   2 // REQUIRES: shell
   3 //
   4 // RUN: %clangxx_memprof  %s -o %t
   5
   6 // stderr log_path
   7 // RUN: %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-GOOD --dump-input=always
   8
   9 // Good log_path.
  10 // RUN: rm -f %t.log.*
  11 // RUN: %env_memprof_opts=print_text=true:log_path=%t.log %run %t
  12 // RUN: FileCheck %s --check-prefix=CHECK-GOOD --dump-input=always < %t.log.*
  13
  14 // Invalid log_path.
  15 // RUN: %env_memprof_opts=print_text=true:log_path=/INVALID not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-INVALID --dump-input=always
  16
  17 // Directory of log_path can't be created.
  18 // RUN: %env_memprof_opts=print_text=true:log_path=/dev/null/INVALID not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-BAD-DIR --dump-input=always
  19
  20 // Too long log_path.
  21 // RUN: %env_memprof_opts=print_text=true:log_path=`for((i=0;i<10000;i++)); do echo -n $i; done` \
  22 // RUN:   not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-LONG --dump-input=always
  23
  24 // Specifying the log name via the __memprof_profile_filename variable.
  25 // Note we use an invalid path since that is sufficient for checking that the
  26 // specified __memprof_profile_filename value is passed through to the runtime.
  27 // Using an automatically generated name via %t can cause weird issues with
  28 // unexpected macro expansion if the path includes tokens that match a build
  29 // system macro (e.g. "linux").
  30 // RUN: %clangxx_memprof  %s -o %t -DPROFILE_NAME_VAR="/INVALID"
  31 // RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-INVALID --dump-input=always
  32
  33 #include <sanitizer/memprof_interface.h>
  34
  35 #ifdef PROFILE_NAME_VAR
  36 #define xstr(s) str(s)
  37 #define str(s) #s
  38 char __memprof_profile_filename[] = xstr(PROFILE_NAME_VAR);
  39 #endif
  40
  41 #include <stdlib.h>
  42 #include <string.h>
  43 int main(int argc, char **argv) {
  44   char *x = (char *)malloc(10);
  45   memset(x, 0, 10);
  46   free(x);
  47   __memprof_profile_dump();
  48   return 0;
  49 }
  50 // CHECK-GOOD: Memory allocation stack id
  51 // CHECK-INVALID: ERROR: Can't open file: /INVALID
  52 // CHECK-BAD-DIR: ERROR: Can't create directory: /dev/null
  53 // CHECK-LONG: ERROR: Path is too long: 01234