clang/test/Misc/tabstop.c

   1 // RUN: %clang_cc1 -ftabstop 3 -fsyntax-only -Wno-error=int-conversion -fno-diagnostics-show-line-numbers %s 2>&1 | FileCheck -check-prefix=CHECK-3 -strict-whitespace %s
   2 // RUN: %clang_cc1 -ftabstop 4 -fsyntax-only -Wno-error=int-conversion -fno-diagnostics-show-line-numbers %s 2>&1 | FileCheck -check-prefix=CHECK-4 -strict-whitespace %s
   3 // RUN: %clang_cc1 -ftabstop 5 -fsyntax-only -Wno-error=int-conversion -fno-diagnostics-show-line-numbers %s 2>&1 | FileCheck -check-prefix=CHECK-5 -strict-whitespace %s
   4 // RUN: %clang_cc1 -ftabstop 101 -fsyntax-only -Wno-error=int-conversion -fno-diagnostics-show-line-numbers %s 2>&1 | FileCheck -check-prefix=CHECK-101 -strict-whitespace %s
   5
   6 // tab
   7         void* a = 1;
   8
   9 // tab tab
  10                 void* b = 1;
  11
  12 // 3x space tab
  13         void* c = 1;
  14
  15 // tab at column 10
  16 void* d =       1;
  17
  18 //CHECK-3: {{^   void\* a = 1;}}
  19 //CHECK-3: {{^      void\* b = 1;}}
  20 //CHECK-3: {{^      void\* c = 1;}}
  21 //CHECK-3: {{^void\* d =   1;}}
  22
  23 //CHECK-4: {{^    void\* a = 1;}}
  24 //CHECK-4: {{^        void\* b = 1;}}
  25 //CHECK-4: {{^    void\* c = 1;}}
  26 //CHECK-4: {{^void\* d =   1;}}
  27
  28 //CHECK-5: {{^     void\* a = 1;}}
  29 //CHECK-5: {{^          void\* b = 1;}}
  30 //CHECK-5: {{^     void\* c = 1;}}
  31 //CHECK-5: {{^void\* d = 1;}}
  32
  33 // Test code modification hints
  34
  35 void f(void)
  36 {
  37         if (0   & 1     == 1)
  38         {}
  39
  40         if (1 == 0      & 1)
  41         {}
  42 }
  43
  44 // CHECK-3: {{^   }}if (0 & 1   == 1)
  45 // CHECK-3: {{^   }}        (       )
  46 // CHECK-3: {{^   }}if (1 == 0  & 1)
  47 // CHECK-3: {{^   }}    (     )
  48
  49 // CHECK-4: {{^    }}if (0   & 1 == 1)
  50 // CHECK-4: {{^    }}          (     )
  51 // CHECK-4: {{^    }}if (1 == 0  & 1)
  52 // CHECK-4: {{^    }}    (     )
  53
  54 // CHECK-5: {{^     }}if (0     & 1  == 1)
  55 // CHECK-5: {{^     }}            (      )
  56 // CHECK-5: {{^     }}if (1 == 0     & 1)
  57 // CHECK-5: {{^     }}    (     )
  58
  59 // CHECK-101: warning: ignoring invalid -ftabstop value '101', using default value 8