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Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/escape.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp/escape.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/escape.c b/gcc/testsuite/gcc.dg/cpp/escape.c new file mode 100644 index 000000000..e7d5e08dd --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/escape.c @@ -0,0 +1,25 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. */ + +/* { dg-do compile } */ +/* { dg-options "-Wtraditional -std=c89" } */ + +/* This tests various diagnostics with -Wtraditioanl about escape + sequences, for both the preprocessor and the compiler. + + Neil Booth, 22 May 2001. */ + +#if '\a' /* { dg-warning "traditional" "traditional bell" } */ +#endif +#if '\x1a' != 26 /* { dg-warning "traditional" "traditional hex" } */ + #error bad hex /* { dg-bogus "bad" "bad hexadecimal evaluation" } */ +#endif +#if L'\u00a1' /* { dg-warning "only valid" "\u is unknown in C89" } */ +#endif + +void foo () +{ + int c = '\a'; /* { dg-warning "traditional" "traditional bell" } */ + + c = '\xa1'; /* { dg-warning "traditional" "traditional hex" } */ + c = L'\u00a1'; /* { dg-warning "only valid" "\u is unknown in C89" } */ +} |