diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/tr-warn1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp/tr-warn1.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/tr-warn1.c b/gcc/testsuite/gcc.dg/cpp/tr-warn1.c new file mode 100644 index 000000000..37b5efe5d --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/tr-warn1.c @@ -0,0 +1,39 @@ +/* Test for warnings about nontraditional directives. */ +/* { dg-do preprocess } */ +/* { dg-options "-pedantic -Wtraditional" } */ + +/* Block 1: K+R directives should have the # indented. */ + +#define foo bar /* { dg-bogus "indented" "^#kandr" } */ +# define foo bar /* { dg-bogus "indented" "^# kandr" } */ + #define foo bar /* { dg-warning "indented" "^ #kandr" } */ + # define foo bar /* { dg-warning "indented" "^ # kandr" } */ + +/* Block 2: C89 directives should not have the # indented. */ + +#pragma whatever /* { dg-warning "indented" "^#c89" } */ +# pragma whatever /* { dg-warning "indented" "^# c89" } */ + #pragma whatever /* { dg-bogus "indented" "^ #c89" } */ + # pragma whatever /* { dg-bogus "indented" "^ # c89" } */ + +/* Block 3: Extensions should not have the # indented, + _and_ they should get a -pedantic warning. */ + +#assert foo(bar) /* { dg-warning "indented" "^#ext" } */ +# assert bar(baz) /* { dg-warning "indented" "^# ext" } */ + #assert baz(quux) /* { dg-bogus "indented" "^ #ext" } */ + # assert quux(weeble) /* { dg-bogus "indented" "^ # ext" } */ + +/* We warn of #elif regardless of whether we're skipping or not, and + do not warn about indentaion. */ +#if 0 +#if 1 +#elif 1 /* { dg-warning "#elif" "#elif skipping" } */ +#endif +#elif 0 /* { dg-warning "#elif" "#elif not skipping" } */ +#endif + +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 22 } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 23 } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 24 } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 25 } */ |