Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/c2x-utf8char-1.c @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/c2x-utf8char-1.c Thu Feb 13 11:34:05 2020 +0900 @@ -0,0 +1,29 @@ +/* Test C2x UTF-8 characters. Test valid usages. */ +/* { dg-do compile } */ +/* { dg-options "-std=c2x -pedantic-errors" } */ + +unsigned char a = u8'a'; +_Static_assert (u8'a' == 97); + +unsigned char b = u8'\0'; +_Static_assert (u8'\0' == 0); + +unsigned char c = u8'\xff'; +_Static_assert (u8'\xff' == 255); + +unsigned char d = u8'\377'; +_Static_assert (u8'\377' == 255); + +_Static_assert (sizeof (u8'a') == 1); +_Static_assert (sizeof (u8'\0') == 1); +_Static_assert (sizeof (u8'\xff') == 1); +_Static_assert (sizeof (u8'\377') == 1); + +_Static_assert (_Generic (u8'a', unsigned char: 1, default: 2) == 1); +_Static_assert (_Generic (u8'\0', unsigned char: 1, default: 2) == 1); +_Static_assert (_Generic (u8'\xff', unsigned char: 1, default: 2) == 1); +_Static_assert (_Generic (u8'\377', unsigned char: 1, default: 2) == 1); + +#if u8'\0' - 1 < 0 +#error "UTF-8 constants not unsigned in preprocessor" +#endif