/* 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-warning "empty" "empty charconst" } */ #endif #if L'' /* { dg-warning "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-warning "empty" "empty charconst" } */ w = L''; /* { dg-warning "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" } */ }