diff options
Diffstat (limited to 'test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t')
4 files changed, 65 insertions, 0 deletions
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/assign2.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/assign2.pass.cpp index 7dcf08c2e76f..7a317f0d66de 100644 --- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/assign2.pass.cpp +++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/assign2.pass.cpp @@ -12,13 +12,29 @@ // template<> struct char_traits<wchar_t> // static void assign(char_type& c1, const char_type& c2); +// constexpr in C++17 #include <string> #include <cassert> +#include "test_macros.h" + +#if TEST_STD_VER > 14 +constexpr bool test_constexpr() +{ + wchar_t c = L'1'; + std::char_traits<wchar_t>::assign(c, L'a'); + return c == L'a'; +} +#endif + int main() { wchar_t c = L'\0'; std::char_traits<wchar_t>::assign(c, L'a'); assert(c == L'a'); + +#if TEST_STD_VER > 14 + static_assert(test_constexpr(), "" ); +#endif } diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/compare.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/compare.pass.cpp index 124201bb82f3..894560d69396 100644 --- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/compare.pass.cpp +++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/compare.pass.cpp @@ -12,10 +12,22 @@ // template<> struct char_traits<wchar_t> // static int compare(const char_type* s1, const char_type* s2, size_t n); +// constexpr in C++17 #include <string> #include <cassert> +#include "test_macros.h" + +#if TEST_STD_VER > 14 +constexpr bool test_constexpr() +{ + return std::char_traits<wchar_t>::compare(L"123", L"223", 3) < 0 + && std::char_traits<wchar_t>::compare(L"223", L"123", 3) > 0 + && std::char_traits<wchar_t>::compare(L"123", L"123", 3) == 0; +} +#endif + int main() { assert(std::char_traits<wchar_t>::compare(L"", L"", 0) == 0); @@ -38,4 +50,8 @@ int main() assert(std::char_traits<wchar_t>::compare(L"223", L"123", 3) > 0); assert(std::char_traits<wchar_t>::compare(L"133", L"123", 3) > 0); assert(std::char_traits<wchar_t>::compare(L"124", L"123", 3) > 0); + +#if TEST_STD_VER > 14 + static_assert(test_constexpr(), "" ); +#endif } diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/find.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/find.pass.cpp index ead3f32fcc72..80aca0ea7f9d 100644 --- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/find.pass.cpp +++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/find.pass.cpp @@ -12,10 +12,24 @@ // template<> struct char_traits<wchar_t> // static const char_type* find(const char_type* s, size_t n, const char_type& a); +// constexpr in C++17 #include <string> #include <cassert> +#include "test_macros.h" + +#if TEST_STD_VER > 14 +constexpr bool test_constexpr() +{ + constexpr const wchar_t *p = L"123"; + return std::char_traits<wchar_t>::find(p, 3, L'1') == p + && std::char_traits<wchar_t>::find(p, 3, L'2') == p + 1 + && std::char_traits<wchar_t>::find(p, 3, L'3') == p + 2 + && std::char_traits<wchar_t>::find(p, 3, L'4') == nullptr; +} +#endif + int main() { wchar_t s1[] = {1, 2, 3}; @@ -25,4 +39,8 @@ int main() assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(4)) == 0); assert(std::char_traits<wchar_t>::find(s1, 3, wchar_t(0)) == 0); assert(std::char_traits<wchar_t>::find(NULL, 0, wchar_t(0)) == 0); + +#if TEST_STD_VER > 14 + static_assert(test_constexpr(), "" ); +#endif } diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/length.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/length.pass.cpp index 691e968ed246..35cbb2d5fd47 100644 --- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/length.pass.cpp +++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/length.pass.cpp @@ -12,10 +12,21 @@ // template<> struct char_traits<wchar_t> // static size_t length(const char_type* s); +// constexpr in C++17 #include <string> #include <cassert> +#include "test_macros.h" + +#if TEST_STD_VER > 14 +constexpr bool test_constexpr() +{ + return std::char_traits<wchar_t>::length(L"") == 0 + && std::char_traits<wchar_t>::length(L"abcd") == 4; +} +#endif + int main() { assert(std::char_traits<wchar_t>::length(L"") == 0); @@ -23,4 +34,8 @@ int main() assert(std::char_traits<wchar_t>::length(L"aa") == 2); assert(std::char_traits<wchar_t>::length(L"aaa") == 3); assert(std::char_traits<wchar_t>::length(L"aaaa") == 4); + +#if TEST_STD_VER > 14 + static_assert(test_constexpr(), "" ); +#endif } |