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Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/charconst.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp/charconst.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/charconst.c b/gcc/testsuite/gcc.dg/cpp/charconst.c new file mode 100644 index 000000000..8934d6a67 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/charconst.c @@ -0,0 +1,36 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. */ + +/* { dg-do compile } */ + +/* This tests various diagnostics about character constants, for both + the preprocessor and the compiler. + + Neil Booth, 22 May 2001. */ + +#if '' /* { dg-error "empty" "empty charconst" } */ +#endif +#if L'' /* { dg-error "empty" "empty wide charconst" } */ +#endif +#if 'very long' /* { dg-warning "too long" "long charconst" } */ +#endif +#if L'very long' /* { dg-warning "too long" "long wide charconst" } */ +#endif +/* Don't do this test for L'ab'; it depends upon sizeof (wchar_t). */ +#if 'ab' /* { dg-warning "multi-char" "multi-character" } */ +#endif + +void foo () +{ + int c; + __WCHAR_TYPE__ w; + + c = ''; /* { dg-error "empty" "empty charconst" } */ + w = L''; /* { dg-error "empty" "empty wide charconst" } */ + + c = 'very long'; /* { dg-warning "too long" "long charconst" } */ + w = L'very long'; /* { dg-warning "too long" "long wide charconst" } */ + + c = 'ab'; /* { dg-warning "multi-char" "multi-char" } */ + /* Wide charconsts cannot contain more than one wide character. */ + w = L'ab'; /* { dg-warning "too long" "multi-char wide" } */ +} |