[libc++][nfc] Add TEST_HAS_NO_UNICODE_CHARS.

This avoids using an libc++ internal macro in our tests.

Reviewed By: #libc, philnik, ldionne

Differential Revision: https://reviews.llvm.org/D118832

libcxx/test/libcxx/utilities/format/format.string/format.string.std/std_format_spec_string.pass.cpp

@@ -342,7 +342,7 @@ constexpr bool test() {
 #ifndef _LIBCPP_HAS_NO_CHAR8_T
   test<char8_t>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
   test<char16_t>();
   test<char32_t>();
 #endif

libcxx/test/libcxx/utilities/format/format.string/format.string.std/std_format_spec_string_non_unicode.pass.cpp

@@ -97,7 +97,7 @@ constexpr bool test() {
 #ifndef _LIBCPP_HAS_NO_CHAR8_T
   test<char8_t>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
   test<char16_t>();
   test<char32_t>();
 #endif

libcxx/test/libcxx/utilities/format/format.string/format.string.std/std_format_spec_string_unicode.pass.cpp

@@ -260,7 +260,7 @@ constexpr bool test() {
 #ifndef _LIBCPP_HAS_NO_CHAR8_T
   test<char8_t>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
   test<char16_t>();
   test<char32_t>();
 #endif

libcxx/test/std/atomics/atomics.types.generic/integral.pass.cpp

@@ -177,7 +177,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<std::atomic_char8_t, char8_t>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<std::atomic_char16_t, char16_t>();
     test<std::atomic_char32_t, char32_t>();
 #endif
@@ -205,7 +205,7 @@ int main(int, char**)
     test<volatile std::atomic_ulong, unsigned long>();
     test<volatile std::atomic_llong, long long>();
     test<volatile std::atomic_ullong, unsigned long long>();
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<volatile std::atomic_char16_t, char16_t>();
     test<volatile std::atomic_char32_t, char32_t>();
 #endif

libcxx/test/std/atomics/atomics.types.generic/integral_typedefs.pass.cpp

@@ -60,7 +60,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     static_assert((std::is_same<std::atomic<char8_t>, std::atomic_char8_t>::value), "");
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     static_assert((std::is_same<std::atomic<char16_t>, std::atomic_char16_t>::value), "");
     static_assert((std::is_same<std::atomic<char32_t>, std::atomic_char32_t>::value), "");
 #endif

libcxx/test/std/language.support/cmp/cmp.concept/three_way_comparable.compile.pass.cpp

@@ -30,7 +30,7 @@ static_assert(std::three_way_comparable<wchar_t&>);
 #ifndef _LIBCPP_HAS_NO_CHAR8_T
 static_assert(std::three_way_comparable<char8_t const&>);
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
 static_assert(std::three_way_comparable<char16_t volatile&>);
 static_assert(std::three_way_comparable<char32_t const volatile&>);
 #endif

libcxx/test/std/language.support/support.limits/limits/is_specialized.pass.cpp

@@ -49,7 +49,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>();
     test<char32_t>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/denorm_min.pass.cpp

@@ -36,7 +36,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>(0);
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>(0);
     test<char32_t>(0);
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/digits.pass.cpp

@@ -35,7 +35,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, 8>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, 16>();
     test<char32_t, 32>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/digits10.pass.cpp

@@ -39,7 +39,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, 2>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, 4>();
     test<char32_t, 9>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/epsilon.pass.cpp

@@ -36,7 +36,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>(0);
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>(0);
     test<char32_t>(0);
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/has_denorm.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, std::denorm_absent>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, std::denorm_absent>();
     test<char32_t, std::denorm_absent>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/has_denorm_loss.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, false>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, false>();
     test<char32_t, false>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/has_infinity.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, false>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, false>();
     test<char32_t, false>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/has_quiet_NaN.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, false>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, false>();
     test<char32_t, false>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/has_signaling_NaN.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, false>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, false>();
     test<char32_t, false>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/infinity.pass.cpp

@@ -38,7 +38,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>(0);
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>(0);
     test<char32_t>(0);
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/is_bounded.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, true>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, true>();
     test<char32_t, true>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/is_exact.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, true>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, true>();
     test<char32_t, true>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/is_iec559.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, false>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, false>();
     test<char32_t, false>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/is_integer.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, true>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, true>();
     test<char32_t, true>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/is_modulo.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, true>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, true>();
     test<char32_t, true>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/is_signed.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, false>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, false>();
     test<char32_t, false>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/lowest.pass.cpp

@@ -47,7 +47,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>(0);
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>(0);
     test<char32_t>(0);
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/max.pass.cpp

@@ -47,7 +47,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>(UCHAR_MAX); // ??
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>(USHRT_MAX);
     test<char32_t>(UINT_MAX);
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/max_digits10.pass.cpp

@@ -35,7 +35,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, 0>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, 0>();
     test<char32_t, 0>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/max_exponent.pass.cpp

@@ -35,7 +35,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, 0>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, 0>();
     test<char32_t, 0>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/max_exponent10.pass.cpp

@@ -35,7 +35,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, 0>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, 0>();
     test<char32_t, 0>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/min.pass.cpp

@@ -47,7 +47,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>(0);
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>(0);
     test<char32_t>(0);
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/min_exponent.pass.cpp

@@ -35,7 +35,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, 0>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, 0>();
     test<char32_t, 0>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/min_exponent10.pass.cpp

@@ -35,7 +35,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, 0>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, 0>();
     test<char32_t, 0>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/quiet_NaN.pass.cpp

@@ -55,7 +55,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>();
     test<char32_t>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/radix.pass.cpp

@@ -35,7 +35,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, 2>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, 2>();
     test<char32_t, 2>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/round_error.pass.cpp

@@ -36,7 +36,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>(0);
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>(0);
     test<char32_t>(0);
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/round_style.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, std::round_toward_zero>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, std::round_toward_zero>();
     test<char32_t, std::round_toward_zero>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/signaling_NaN.pass.cpp

@@ -55,10 +55,10 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t>();
     test<char32_t>();
-#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
+#endif // TEST_HAS_NO_UNICODE_CHARS
     test<short>();
     test<unsigned short>();
     test<int>();

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/tinyness_before.pass.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, false>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, false>();
     test<char32_t, false>();
 #endif

libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/traps.pass.cpp

@@ -41,7 +41,7 @@ int main(int, char**)
 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
     test<char8_t, integral_types_trap>();
 #endif
-#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+#ifndef TEST_HAS_NO_UNICODE_CHARS
     test<char16_t, integral_types_trap>();
     test<char32_t, integral_types_trap>();
 #endif

libcxx/test/std/localization/locale.categories/category.ctype/locale.codecvt/ctor_char16_t.pass.cpp

@@ -20,8 +20,6 @@
 
 #include "test_macros.h"
 
-//#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
-
 typedef std::codecvt<char16_t, char, std::mbstate_t> F;
 
 class my_facet
@@ -38,11 +36,8 @@ class my_facet
 
 int my_facet::count = 0;
 
-//#endif
-
 int main(int, char**)
 {
-//#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
     {
         std::locale l(std::locale::classic(), new my_facet);
         assert(my_facet::count == 1);
@@ -58,7 +53,6 @@ int main(int, char**)
         assert(my_facet::count == 1);
     }
     assert(my_facet::count == 0);
-//#endif
 
   return 0;
 }