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[libcxx] Fix test on compilers that do not support char8_t yet

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@348846 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Louis Dionne
2018-12-11 14:15:54 +00:00
parent 544d1ba9a3
commit 31355b0538
1 changed files with 4 additions and 2 deletions
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6
test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char8_t/length.pass.cpp
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@@ -19,6 +19,7 @@
#include "test_macros.h" #include "test_macros.h"
#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
constexpr bool test_constexpr() constexpr bool test_constexpr()
{ {
return std::char_traits<char8_t>::length(u8"") == 0 return std::char_traits<char8_t>::length(u8"") == 0
@@ -27,7 +28,6 @@ constexpr bool test_constexpr()
int main() int main()
{ {
#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
assert(std::char_traits<char8_t>::length(u8"") == 0); assert(std::char_traits<char8_t>::length(u8"") == 0);
assert(std::char_traits<char8_t>::length(u8"a") == 1); assert(std::char_traits<char8_t>::length(u8"a") == 1);
assert(std::char_traits<char8_t>::length(u8"aa") == 2); assert(std::char_traits<char8_t>::length(u8"aa") == 2);
@@ -35,5 +35,7 @@ int main()
assert(std::char_traits<char8_t>::length(u8"aaaa") == 4); assert(std::char_traits<char8_t>::length(u8"aaaa") == 4);
static_assert(test_constexpr(), ""); static_assert(test_constexpr(), "");
#endif
} }
#else
int main() { }
#endif