diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/udlit-raw-length.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/udlit-raw-length.C | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-raw-length.C b/gcc/testsuite/g++.dg/cpp0x/udlit-raw-length.C new file mode 100644 index 0000000000..2d910624a7 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/udlit-raw-length.C @@ -0,0 +1,27 @@ +// { dg-options "-std=c++0x" } +// PR c++/50958 + +typedef decltype(sizeof(0)) size_type; + +constexpr size_type +cstrlen_impl(const char* s, size_type i) +{ + return s[i] ? cstrlen_impl(s, i + 1) : i; +} + +constexpr size_type +cstrlen(const char* s) +{ + return s ? cstrlen_impl(s, 0) : throw 0; +} + +constexpr size_type +operator "" _lenraw(const char* digits) +{ + return cstrlen(digits); +} + +static_assert(123_lenraw == 3, "Ouch"); +static_assert(1_lenraw == 1, "Ouch"); +static_assert(012_lenraw == 3, "Ouch"); +static_assert(0_lenraw == 1, "Ouch"); |