diff --git a/clang/test/Preprocessor/c99-6_10_3_4_p6.c b/clang/test/Preprocessor/c99-6_10_3_4_p6.c new file mode 100644 index 000000000000..ce7990a4cf3e --- /dev/null +++ b/clang/test/Preprocessor/c99-6_10_3_4_p6.c @@ -0,0 +1,24 @@ +// Example from C99 6.10.3.4p6 + +// RUN: clang -E %s | grep -F 'printf("x" "1" "= %d, x" "2" "= s" x1, x2);' && +// RUN: clang -E %s | grep 'fputs("strncmp(\\"abc\\\\0d\\" \\"abc\\", .\\\\4.) == 0" ": @\\n", s);' && +// RUN: clang -E %s | grep -F 'include "vers2.h"' && +// RUN: clang -E %s | grep -F '"hello";' && +// RUN: clang -E %s | grep -F '"hello" ", world"' + +#define str(s) # s +#define xstr(s) str(s) +#define debug(s, t) printf("x" # s "= %d, x" # t "= s" \ + x ## s, x ## t) +#define INCFILE(n) vers ## n +#define glue(a, b) a ## b +#define xglue(a, b) glue(a, b) +#define HIGHLOW "hello" +#define LOW LOW ", world" +debug(1, 2); +fputs(str(strncmp("abc\0d" "abc", '\4') // this goes away + == 0) str(: @\n), s); +include xstr(INCFILE(2).h) +glue(HIGH, LOW); +xglue(HIGH, LOW) +