clang/test/Misc/tabstop.c

   1 // RUN: %clang_cc1 -ftabstop 3 -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-3 -strict-whitespace %s
   2 // RUN: %clang_cc1 -ftabstop 4 -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-4 -strict-whitespace %s
   3 // RUN: %clang_cc1 -ftabstop 5 -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHECK-5 -strict-whitespace %s
   4
   5 // tab
   6         void* a = 1;
   7
   8 // tab tab
   9                 void* b = 1;
  10
  11 // 3x space tab
  12         void* c = 1;
  13
  14 // tab at column 10
  15 void* d =       1;
  16
  17 //CHECK-3: {{^   void\* a = 1;}}
  18 //CHECK-3: {{^      void\* b = 1;}}
  19 //CHECK-3: {{^      void\* c = 1;}}
  20 //CHECK-3: {{^void\* d =   1;}}
  21
  22 //CHECK-4: {{^    void\* a = 1;}}
  23 //CHECK-4: {{^        void\* b = 1;}}
  24 //CHECK-4: {{^    void\* c = 1;}}
  25 //CHECK-4: {{^void\* d =   1;}}
  26
  27 //CHECK-5: {{^     void\* a = 1;}}
  28 //CHECK-5: {{^          void\* b = 1;}}
  29 //CHECK-5: {{^     void\* c = 1;}}
  30 //CHECK-5: {{^void\* d = 1;}}
  31
  32 // Test code modification hints
  33
  34 void f(void)
  35 {
  36         if (0   & 1     == 1)
  37         {}
  38
  39         if (1 == 0      & 1)
  40         {}
  41 }
  42
  43 // CHECK-3: {{^   }}if (0 & 1   == 1)
  44 // CHECK-3: {{^   }}        (       )
  45 // CHECK-3: {{^   }}if (1 == 0  & 1)
  46 // CHECK-3: {{^   }}    (     )
  47
  48 // CHECK-4: {{^    }}if (0   & 1 == 1)
  49 // CHECK-4: {{^    }}          (     )
  50 // CHECK-4: {{^    }}if (1 == 0  & 1)
  51 // CHECK-4: {{^    }}    (     )
  52
  53 // CHECK-5: {{^     }}if (0     & 1  == 1)
  54 // CHECK-5: {{^     }}            (      )
  55 // CHECK-5: {{^     }}if (1 == 0     & 1)
  56 // CHECK-5: {{^     }}    (     )