clang/test/Frontend/verify3.c

   1 // This test-case runs several sub-tests on -verify to ensure that correct
   2 // diagnostics are generated in relation to the mis-use and non-use of the
   3 // 'expected-no-diagnostics' directive.
   4
   5 // RUN: not %clang_cc1 -DTEST1 -verify %s 2>&1 | FileCheck -check-prefix=CHECK1 %s
   6 #ifdef TEST1
   7 // expected-no-diagnostics
   8 // expected-note {{}}
   9
  10 //      CHECK1: error: 'error' diagnostics seen but not expected:
  11 // CHECK1-NEXT:   Line 8: expected directive cannot follow 'expected-no-diagnostics' directive
  12 // CHECK1-NEXT: 1 error generated.
  13 #endif
  14
  15 // RUN: not %clang_cc1 -DTEST2 -verify %s 2>&1 | FileCheck -check-prefix=CHECK2 %s
  16 #ifdef TEST2
  17 #warning X
  18 // expected-warning@-1 {{X}}
  19 // expected-no-diagnostics
  20
  21 //      CHECK2: error: 'error' diagnostics seen but not expected:
  22 // CHECK2-NEXT:   Line 19: 'expected-no-diagnostics' directive cannot follow other expected directives
  23 // CHECK2-NEXT: 1 error generated.
  24 #endif
  25
  26 // RUN: not %clang_cc1 -DTEST3 -verify %s 2>&1 | FileCheck -check-prefix=CHECK3 %s
  27 // RUN: not %clang_cc1 -verify %s 2>&1 | FileCheck -check-prefix=CHECK3 %s
  28 #ifdef TEST3
  29 // no directives
  30
  31 //      CHECK3: error: no expected directives found: consider use of 'expected-no-diagnostics'
  32 // CHECK3-NEXT: 1 error generated.
  33 #endif
  34
  35 // RUN: %clang_cc1 -E -DTEST4 -verify %s 2>&1 | FileCheck -check-prefix=CHECK4 %s
  36 #ifdef TEST4
  37 #warning X
  38 // expected-warning@-1 {{X}}
  39
  40 // CHECK4-NOT: error: no expected directives found: consider use of 'expected-no-diagnostics'
  41 #endif