diff options
| -rw-r--r-- | gcc/testsuite/gcc.dg/cxx-comments-1.c | 20 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/cxx-comments-2.c | 20 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/endif-label.c | 15 |
3 files changed, 55 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cxx-comments-1.c b/gcc/testsuite/gcc.dg/cxx-comments-1.c new file mode 100644 index 0000000..c7c51d6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cxx-comments-1.c @@ -0,0 +1,20 @@ +/* { dg-do preprocess } */ +/* { dg-options "-pedantic -std=gnu89" } */ + +/* You can't do this in your own code... */ +// C++ comment is not in C89 { dg-warning "style comment|reported only once" "good warning" } + +/* ...but we don't bitch about it more than once. */ +// C++ comment is not in C89 { dg-bogus "style comment" "bad warning" } + +/* + { dg-final { if ![file exists cxx-comments-1.i] { return } } } + { dg-final { set tmp [grep cxx-comments-1.i "is not in C89" line] } } + { dg-final { # send_user "$tmp\n" } } + { dg-final { if [regexp "is not in C89" $tmp] \{ } } + { dg-final { fail "cxx-comments-1: comment strip check" } } + { dg-final { \} else \{ } } + { dg-final { pass "cxx-comments-1: comment strip check" } } + { dg-final { \} } } +*/ + diff --git a/gcc/testsuite/gcc.dg/cxx-comments-2.c b/gcc/testsuite/gcc.dg/cxx-comments-2.c new file mode 100644 index 0000000..7d0fe09 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cxx-comments-2.c @@ -0,0 +1,20 @@ +/* { dg-do preprocess } */ +/* { dg-options "-pedantic -std=c89" } */ + +/* This is an extension and therefore gets a warning. */ +#line 5 "cxx-comments-2.c" 3 /* { dg-warning "garbage at end" "#line extension" } */ + +/* A system header may contain C++ comments irrespective of mode. */ +// C++ comment is not in C89 { dg-bogus "style comment" "bad warning" } + +/* + { dg-final { if ![file exists cxx-comments-2.i] { return } } } + { dg-final { set tmp [grep cxx-comments-2.i "is not in C89" line] } } + { dg-final { # send_user "$tmp\n" } } + { dg-final { if [regexp "is not in C89" $tmp] \{ } } + { dg-final { fail "cxx-comments-2: comment strip check" } } + { dg-final { \} else \{ } } + { dg-final { pass "cxx-comments-2: comment strip check" } } + { dg-final { \} } } +*/ + diff --git a/gcc/testsuite/gcc.dg/endif-label.c b/gcc/testsuite/gcc.dg/endif-label.c new file mode 100644 index 0000000..95bd05d --- /dev/null +++ b/gcc/testsuite/gcc.dg/endif-label.c @@ -0,0 +1,15 @@ +/* { dg-do preprocess } */ +/* { dg-options "-pedantic -Wall" } */ + +/* You can't get away with this in your own code... */ +#ifdef KERNEL +#define foo +#endif KERNEL /* { dg-warning "text following" "good warning" } */ + +/* This will provoke a warning because the '3' is an extension. */ +#line 10 "endif-label.c" 3 /* { dg-warning "garbage at end" "#line extension" } */ + +/* ... but in a system header, it's acceptable. */ +#ifdef KERNEL +#define foo +#endif KERNEL /* { dg-bogus "text following" "bad warning" } */ |