From 6d8a3e9551de00258d1663adf87d29954ef96555 Mon Sep 17 00:00:00 2001 From: Luc Van Oostenryck Date: Wed, 21 Feb 2018 21:47:24 +0100 Subject: add testcases for exotic enum values There is more than one complexity in the evaluation of enums. Add a test for enums with 'exotic' values not covered in other tests. Signed-off-by: Luc Van Oostenryck --- validation/enum-type-exotic.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 validation/enum-type-exotic.c diff --git a/validation/enum-type-exotic.c b/validation/enum-type-exotic.c new file mode 100644 index 00000000..a17ca0ad --- /dev/null +++ b/validation/enum-type-exotic.c @@ -0,0 +1,28 @@ +enum foobar { + C = (unsigned char)0, + L = 1L, +}; + +unsigned int foo(void); +unsigned int foo(void) +{ +#ifdef __CHECKER__ + _Static_assert([typeof(C)] == [enum foobar], "enum type"); + _Static_assert([typeof(C)] != [unsigned char], "char type"); +#endif + + typeof(C) v = ~0; + return v; +} + +/* + * check-name: enum-type-exotic + * check-description: + * GCC type's for C is 'int' or maybe 'unsigned int' + * but certainly not 'unsigned char' like here. + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * + * check-output-ignore + * check-output-excludes: ret\\.32 *\\$255 + */ -- cgit 1.2.3-korg