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Diffstat (limited to 'test/std/experimental/string.view/string.view.ops/compare.sv.pass.cpp')
| -rw-r--r-- | test/std/experimental/string.view/string.view.ops/compare.sv.pass.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/test/std/experimental/string.view/string.view.ops/compare.sv.pass.cpp b/test/std/experimental/string.view/string.view.ops/compare.sv.pass.cpp new file mode 100644 index 0000000000000..3f686697ba400 --- /dev/null +++ b/test/std/experimental/string.view/string.view.ops/compare.sv.pass.cpp @@ -0,0 +1,121 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + + +// <string_view> +// constexpr int compare(basic_string_view str) const noexcept; + +#include <experimental/string_view> +#include <cassert> + +#include "constexpr_char_traits.hpp" + +int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); } + +template<typename CharT> +void test1 ( std::experimental::basic_string_view<CharT> sv1, + std::experimental::basic_string_view<CharT> sv2, int expected ) { + assert ( sign( sv1.compare(sv2)) == sign(expected)); +} + + +template<typename CharT> +void test ( const CharT *s1, const CharT *s2, int expected ) { + typedef std::experimental::basic_string_view<CharT> string_view_t; + + string_view_t sv1 ( s1 ); + string_view_t sv2 ( s2 ); + test1(sv1, sv2, expected); +} + +int main () { + + test("", "", 0); + test("", "abcde", -5); + test("", "abcdefghij", -10); + test("", "abcdefghijklmnopqrst", -20); + test("abcde", "", 5); + test("abcde", "abcde", 0); + test("abcde", "abcdefghij", -5); + test("abcde", "abcdefghijklmnopqrst", -15); + test("abcdefghij", "", 10); + test("abcdefghij", "abcde", 5); + test("abcdefghij", "abcdefghij", 0); + test("abcdefghij", "abcdefghijklmnopqrst", -10); + test("abcdefghijklmnopqrst", "", 20); + test("abcdefghijklmnopqrst", "abcde", 15); + test("abcdefghijklmnopqrst", "abcdefghij", 10); + test("abcdefghijklmnopqrst", "abcdefghijklmnopqrst", 0); + + test(L"", L"", 0); + test(L"", L"abcde", -5); + test(L"", L"abcdefghij", -10); + test(L"", L"abcdefghijklmnopqrst", -20); + test(L"abcde", L"", 5); + test(L"abcde", L"abcde", 0); + test(L"abcde", L"abcdefghij", -5); + test(L"abcde", L"abcdefghijklmnopqrst", -15); + test(L"abcdefghij", L"", 10); + test(L"abcdefghij", L"abcde", 5); + test(L"abcdefghij", L"abcdefghij", 0); + test(L"abcdefghij", L"abcdefghijklmnopqrst", -10); + test(L"abcdefghijklmnopqrst", L"", 20); + test(L"abcdefghijklmnopqrst", L"abcde", 15); + test(L"abcdefghijklmnopqrst", L"abcdefghij", 10); + test(L"abcdefghijklmnopqrst", L"abcdefghijklmnopqrst", 0); + +#if __cplusplus >= 201103L + test(u"", u"", 0); + test(u"", u"abcde", -5); + test(u"", u"abcdefghij", -10); + test(u"", u"abcdefghijklmnopqrst", -20); + test(u"abcde", u"", 5); + test(u"abcde", u"abcde", 0); + test(u"abcde", u"abcdefghij", -5); + test(u"abcde", u"abcdefghijklmnopqrst", -15); + test(u"abcdefghij", u"", 10); + test(u"abcdefghij", u"abcde", 5); + test(u"abcdefghij", u"abcdefghij", 0); + test(u"abcdefghij", u"abcdefghijklmnopqrst", -10); + test(u"abcdefghijklmnopqrst", u"", 20); + test(u"abcdefghijklmnopqrst", u"abcde", 15); + test(u"abcdefghijklmnopqrst", u"abcdefghij", 10); + test(u"abcdefghijklmnopqrst", u"abcdefghijklmnopqrst", 0); + + test(U"", U"", 0); + test(U"", U"abcde", -5); + test(U"", U"abcdefghij", -10); + test(U"", U"abcdefghijklmnopqrst", -20); + test(U"abcde", U"", 5); + test(U"abcde", U"abcde", 0); + test(U"abcde", U"abcdefghij", -5); + test(U"abcde", U"abcdefghijklmnopqrst", -15); + test(U"abcdefghij", U"", 10); + test(U"abcdefghij", U"abcde", 5); + test(U"abcdefghij", U"abcdefghij", 0); + test(U"abcdefghij", U"abcdefghijklmnopqrst", -10); + test(U"abcdefghijklmnopqrst", U"", 20); + test(U"abcdefghijklmnopqrst", U"abcde", 15); + test(U"abcdefghijklmnopqrst", U"abcdefghij", 10); + test(U"abcdefghijklmnopqrst", U"abcdefghijklmnopqrst", 0); +#endif + +#if _LIBCPP_STD_VER > 11 + { + typedef std::experimental::basic_string_view<char, constexpr_char_traits<char>> SV; + constexpr SV sv1 { "abcde", 5 }; + constexpr SV sv2 { "abcde", 5 }; + constexpr SV sv3 { "edcba0", 6 }; + static_assert ( sv1.compare(sv2) == 0, "" ); + static_assert ( sv2.compare(sv1) == 0, "" ); + static_assert ( sv3.compare(sv2) > 0, "" ); + static_assert ( sv2.compare(sv3) < 0, "" ); + } +#endif +} |