diff options
Diffstat (limited to 'libcxx/test/experimental/string.view/string.view.ops/compare.pointer_size.pass.cpp')
| -rw-r--r-- | libcxx/test/experimental/string.view/string.view.ops/compare.pointer_size.pass.cpp | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/libcxx/test/experimental/string.view/string.view.ops/compare.pointer_size.pass.cpp b/libcxx/test/experimental/string.view/string.view.ops/compare.pointer_size.pass.cpp new file mode 100644 index 00000000000..6b20639f775 --- /dev/null +++ b/libcxx/test/experimental/string.view/string.view.ops/compare.pointer_size.pass.cpp @@ -0,0 +1,444 @@ +//===----------------------------------------------------------------------===// +// +// 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(size_type pos1, size_type n1, const charT* s) const; + +#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, + size_t pos1, size_t n1, const CharT *s, int expected ) { + try { + assert(sign(sv1.compare(pos1, n1, s)) == sign(expected)); + assert(pos1 <= sv1.size()); + } + catch (const std::out_of_range&) { assert(pos1 > sv1.size()); } +} + +template<typename CharT> +void +test( const CharT *s1, size_t pos1, size_t n1, const CharT *s2, int expected) +{ + typedef std::experimental::basic_string_view<CharT> string_view_t; + string_view_t sv1 ( s1 ); + test1 ( sv1, pos1, n1, s2, expected ); +} + +void test0() +{ + test("", 0, 0, "", 0); + test("", 0, 0, "abcde", -5); + test("", 0, 0, "abcdefghij", -10); + test("", 0, 0, "abcdefghijklmnopqrst", -20); + test("", 0, 1, "", 0); + test("", 0, 1, "abcde", -5); + test("", 0, 1, "abcdefghij", -10); + test("", 0, 1, "abcdefghijklmnopqrst", -20); + test("", 1, 0, "", 0); + test("", 1, 0, "abcde", 0); + test("", 1, 0, "abcdefghij", 0); + test("", 1, 0, "abcdefghijklmnopqrst", 0); + test("abcde", 0, 0, "", 0); + test("abcde", 0, 0, "abcde", -5); + test("abcde", 0, 0, "abcdefghij", -10); + test("abcde", 0, 0, "abcdefghijklmnopqrst", -20); + test("abcde", 0, 1, "", 1); + test("abcde", 0, 1, "abcde", -4); + test("abcde", 0, 1, "abcdefghij", -9); + test("abcde", 0, 1, "abcdefghijklmnopqrst", -19); + test("abcde", 0, 2, "", 2); + test("abcde", 0, 2, "abcde", -3); + test("abcde", 0, 2, "abcdefghij", -8); + test("abcde", 0, 2, "abcdefghijklmnopqrst", -18); + test("abcde", 0, 4, "", 4); + test("abcde", 0, 4, "abcde", -1); + test("abcde", 0, 4, "abcdefghij", -6); + test("abcde", 0, 4, "abcdefghijklmnopqrst", -16); + test("abcde", 0, 5, "", 5); + test("abcde", 0, 5, "abcde", 0); + test("abcde", 0, 5, "abcdefghij", -5); + test("abcde", 0, 5, "abcdefghijklmnopqrst", -15); + test("abcde", 0, 6, "", 5); + test("abcde", 0, 6, "abcde", 0); + test("abcde", 0, 6, "abcdefghij", -5); + test("abcde", 0, 6, "abcdefghijklmnopqrst", -15); + test("abcde", 1, 0, "", 0); + test("abcde", 1, 0, "abcde", -5); + test("abcde", 1, 0, "abcdefghij", -10); + test("abcde", 1, 0, "abcdefghijklmnopqrst", -20); + test("abcde", 1, 1, "", 1); + test("abcde", 1, 1, "abcde", 1); + test("abcde", 1, 1, "abcdefghij", 1); + test("abcde", 1, 1, "abcdefghijklmnopqrst", 1); + test("abcde", 1, 2, "", 2); + test("abcde", 1, 2, "abcde", 1); + test("abcde", 1, 2, "abcdefghij", 1); + test("abcde", 1, 2, "abcdefghijklmnopqrst", 1); + test("abcde", 1, 3, "", 3); + test("abcde", 1, 3, "abcde", 1); + test("abcde", 1, 3, "abcdefghij", 1); + test("abcde", 1, 3, "abcdefghijklmnopqrst", 1); + test("abcde", 1, 4, "", 4); + test("abcde", 1, 4, "abcde", 1); + test("abcde", 1, 4, "abcdefghij", 1); + test("abcde", 1, 4, "abcdefghijklmnopqrst", 1); + test("abcde", 1, 5, "", 4); + test("abcde", 1, 5, "abcde", 1); + test("abcde", 1, 5, "abcdefghij", 1); + test("abcde", 1, 5, "abcdefghijklmnopqrst", 1); + test("abcde", 2, 0, "", 0); + test("abcde", 2, 0, "abcde", -5); + test("abcde", 2, 0, "abcdefghij", -10); + test("abcde", 2, 0, "abcdefghijklmnopqrst", -20); + test("abcde", 2, 1, "", 1); + test("abcde", 2, 1, "abcde", 2); + test("abcde", 2, 1, "abcdefghij", 2); + test("abcde", 2, 1, "abcdefghijklmnopqrst", 2); + test("abcde", 2, 2, "", 2); + test("abcde", 2, 2, "abcde", 2); + test("abcde", 2, 2, "abcdefghij", 2); + test("abcde", 2, 2, "abcdefghijklmnopqrst", 2); + test("abcde", 2, 3, "", 3); + test("abcde", 2, 3, "abcde", 2); + test("abcde", 2, 3, "abcdefghij", 2); + test("abcde", 2, 3, "abcdefghijklmnopqrst", 2); + test("abcde", 2, 4, "", 3); + test("abcde", 2, 4, "abcde", 2); + test("abcde", 2, 4, "abcdefghij", 2); + test("abcde", 2, 4, "abcdefghijklmnopqrst", 2); + test("abcde", 4, 0, "", 0); + test("abcde", 4, 0, "abcde", -5); + test("abcde", 4, 0, "abcdefghij", -10); + test("abcde", 4, 0, "abcdefghijklmnopqrst", -20); + test("abcde", 4, 1, "", 1); + test("abcde", 4, 1, "abcde", 4); + test("abcde", 4, 1, "abcdefghij", 4); + test("abcde", 4, 1, "abcdefghijklmnopqrst", 4); + test("abcde", 4, 2, "", 1); + test("abcde", 4, 2, "abcde", 4); + test("abcde", 4, 2, "abcdefghij", 4); + test("abcde", 4, 2, "abcdefghijklmnopqrst", 4); + test("abcde", 5, 0, "", 0); + test("abcde", 5, 0, "abcde", -5); + test("abcde", 5, 0, "abcdefghij", -10); + test("abcde", 5, 0, "abcdefghijklmnopqrst", -20); + test("abcde", 5, 1, "", 0); + test("abcde", 5, 1, "abcde", -5); + test("abcde", 5, 1, "abcdefghij", -10); + test("abcde", 5, 1, "abcdefghijklmnopqrst", -20); +} + +void test1() +{ + test("abcde", 6, 0, "", 0); + test("abcde", 6, 0, "abcde", 0); + test("abcde", 6, 0, "abcdefghij", 0); + test("abcde", 6, 0, "abcdefghijklmnopqrst", 0); + test("abcdefghij", 0, 0, "", 0); + test("abcdefghij", 0, 0, "abcde", -5); + test("abcdefghij", 0, 0, "abcdefghij", -10); + test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghij", 0, 1, "", 1); + test("abcdefghij", 0, 1, "abcde", -4); + test("abcdefghij", 0, 1, "abcdefghij", -9); + test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", -19); + test("abcdefghij", 0, 5, "", 5); + test("abcdefghij", 0, 5, "abcde", 0); + test("abcdefghij", 0, 5, "abcdefghij", -5); + test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", -15); + test("abcdefghij", 0, 9, "", 9); + test("abcdefghij", 0, 9, "abcde", 4); + test("abcdefghij", 0, 9, "abcdefghij", -1); + test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", -11); + test("abcdefghij", 0, 10, "", 10); + test("abcdefghij", 0, 10, "abcde", 5); + test("abcdefghij", 0, 10, "abcdefghij", 0); + test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", -10); + test("abcdefghij", 0, 11, "", 10); + test("abcdefghij", 0, 11, "abcde", 5); + test("abcdefghij", 0, 11, "abcdefghij", 0); + test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", -10); + test("abcdefghij", 1, 0, "", 0); + test("abcdefghij", 1, 0, "abcde", -5); + test("abcdefghij", 1, 0, "abcdefghij", -10); + test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghij", 1, 1, "", 1); + test("abcdefghij", 1, 1, "abcde", 1); + test("abcdefghij", 1, 1, "abcdefghij", 1); + test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1); + test("abcdefghij", 1, 4, "", 4); + test("abcdefghij", 1, 4, "abcde", 1); + test("abcdefghij", 1, 4, "abcdefghij", 1); + test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1); + test("abcdefghij", 1, 8, "", 8); + test("abcdefghij", 1, 8, "abcde", 1); + test("abcdefghij", 1, 8, "abcdefghij", 1); + test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1); + test("abcdefghij", 1, 9, "", 9); + test("abcdefghij", 1, 9, "abcde", 1); + test("abcdefghij", 1, 9, "abcdefghij", 1); + test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1); + test("abcdefghij", 1, 10, "", 9); + test("abcdefghij", 1, 10, "abcde", 1); + test("abcdefghij", 1, 10, "abcdefghij", 1); + test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1); + test("abcdefghij", 5, 0, "", 0); + test("abcdefghij", 5, 0, "abcde", -5); + test("abcdefghij", 5, 0, "abcdefghij", -10); + test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghij", 5, 1, "", 1); + test("abcdefghij", 5, 1, "abcde", 5); + test("abcdefghij", 5, 1, "abcdefghij", 5); + test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 5); + test("abcdefghij", 5, 2, "", 2); + test("abcdefghij", 5, 2, "abcde", 5); + test("abcdefghij", 5, 2, "abcdefghij", 5); + test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 5); + test("abcdefghij", 5, 4, "", 4); + test("abcdefghij", 5, 4, "abcde", 5); + test("abcdefghij", 5, 4, "abcdefghij", 5); + test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 5); + test("abcdefghij", 5, 5, "", 5); + test("abcdefghij", 5, 5, "abcde", 5); + test("abcdefghij", 5, 5, "abcdefghij", 5); + test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 5); + test("abcdefghij", 5, 6, "", 5); + test("abcdefghij", 5, 6, "abcde", 5); + test("abcdefghij", 5, 6, "abcdefghij", 5); + test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 5); + test("abcdefghij", 9, 0, "", 0); + test("abcdefghij", 9, 0, "abcde", -5); + test("abcdefghij", 9, 0, "abcdefghij", -10); + test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghij", 9, 1, "", 1); + test("abcdefghij", 9, 1, "abcde", 9); + test("abcdefghij", 9, 1, "abcdefghij", 9); + test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 9); + test("abcdefghij", 9, 2, "", 1); + test("abcdefghij", 9, 2, "abcde", 9); + test("abcdefghij", 9, 2, "abcdefghij", 9); + test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 9); + test("abcdefghij", 10, 0, "", 0); + test("abcdefghij", 10, 0, "abcde", -5); + test("abcdefghij", 10, 0, "abcdefghij", -10); + test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghij", 10, 1, "", 0); + test("abcdefghij", 10, 1, "abcde", -5); + test("abcdefghij", 10, 1, "abcdefghij", -10); + test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", -20); + test("abcdefghij", 11, 0, "", 0); + test("abcdefghij", 11, 0, "abcde", 0); + test("abcdefghij", 11, 0, "abcdefghij", 0); + test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0); +} + +void test2() +{ + test("abcdefghijklmnopqrst", 0, 0, "", 0); + test("abcdefghijklmnopqrst", 0, 0, "abcde", -5); + test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", -10); + test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghijklmnopqrst", 0, 1, "", 1); + test("abcdefghijklmnopqrst", 0, 1, "abcde", -4); + test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", -9); + test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", -19); + test("abcdefghijklmnopqrst", 0, 10, "", 10); + test("abcdefghijklmnopqrst", 0, 10, "abcde", 5); + test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0); + test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", -10); + test("abcdefghijklmnopqrst", 0, 19, "", 19); + test("abcdefghijklmnopqrst", 0, 19, "abcde", 14); + test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9); + test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", -1); + test("abcdefghijklmnopqrst", 0, 20, "", 20); + test("abcdefghijklmnopqrst", 0, 20, "abcde", 15); + test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10); + test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0); + test("abcdefghijklmnopqrst", 0, 21, "", 20); + test("abcdefghijklmnopqrst", 0, 21, "abcde", 15); + test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10); + test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0); + test("abcdefghijklmnopqrst", 1, 0, "", 0); + test("abcdefghijklmnopqrst", 1, 0, "abcde", -5); + test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", -10); + test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghijklmnopqrst", 1, 1, "", 1); + test("abcdefghijklmnopqrst", 1, 1, "abcde", 1); + test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1); + test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1); + test("abcdefghijklmnopqrst", 1, 9, "", 9); + test("abcdefghijklmnopqrst", 1, 9, "abcde", 1); + test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1); + test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1); + test("abcdefghijklmnopqrst", 1, 18, "", 18); + test("abcdefghijklmnopqrst", 1, 18, "abcde", 1); + test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1); + test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1); + test("abcdefghijklmnopqrst", 1, 19, "", 19); + test("abcdefghijklmnopqrst", 1, 19, "abcde", 1); + test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1); + test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1); + test("abcdefghijklmnopqrst", 1, 20, "", 19); + test("abcdefghijklmnopqrst", 1, 20, "abcde", 1); + test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1); + test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1); + test("abcdefghijklmnopqrst", 10, 0, "", 0); + test("abcdefghijklmnopqrst", 10, 0, "abcde", -5); + test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", -10); + test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghijklmnopqrst", 10, 1, "", 1); + test("abcdefghijklmnopqrst", 10, 1, "abcde", 10); + test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10); + test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10); + test("abcdefghijklmnopqrst", 10, 5, "", 5); + test("abcdefghijklmnopqrst", 10, 5, "abcde", 10); + test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10); + test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10); + test("abcdefghijklmnopqrst", 10, 9, "", 9); + test("abcdefghijklmnopqrst", 10, 9, "abcde", 10); + test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10); + test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10); + test("abcdefghijklmnopqrst", 10, 10, "", 10); + test("abcdefghijklmnopqrst", 10, 10, "abcde", 10); + test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10); + test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10); + test("abcdefghijklmnopqrst", 10, 11, "", 10); + test("abcdefghijklmnopqrst", 10, 11, "abcde", 10); + test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10); + test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10); + test("abcdefghijklmnopqrst", 19, 0, "", 0); + test("abcdefghijklmnopqrst", 19, 0, "abcde", -5); + test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", -10); + test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghijklmnopqrst", 19, 1, "", 1); + test("abcdefghijklmnopqrst", 19, 1, "abcde", 19); + test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 19); + test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19); + test("abcdefghijklmnopqrst", 19, 2, "", 1); + test("abcdefghijklmnopqrst", 19, 2, "abcde", 19); + test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 19); + test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19); + test("abcdefghijklmnopqrst", 20, 0, "", 0); + test("abcdefghijklmnopqrst", 20, 0, "abcde", -5); + test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", -10); + test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", -20); + test("abcdefghijklmnopqrst", 20, 1, "", 0); + test("abcdefghijklmnopqrst", 20, 1, "abcde", -5); + test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", -10); + test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", -20); + test("abcdefghijklmnopqrst", 21, 0, "", 0); + test("abcdefghijklmnopqrst", 21, 0, "abcde", 0); + test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0); + test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0); +} + + +int main() +{ + test0(); + test1(); + test2(); + + { + test("", 0, 0, "", 0); + test("", 0, 0, "abcde", -5); + test("", 0, 0, "abcdefghij", -10); + test("", 0, 0, "abcdefghijklmnopqrst", -20); + test("abcde", 0, 2, "", 5); + test("abcde", 0, 6,"abcde", 0); + test("abcde", 0, 6, "abcdefghij", -5); + test("abcde", 0, 6, "abcdefghijklmnopqrst", -15); + test("abcdefghij", 3, 3, "", 10); + test("abcdefghij", 3, 3,"abcde", 5); + test("abcdefghij", 3, 3, "def", 0); + test("abcdefghij", 0, 4, "abcdefghijklmnopqrst", -10); + test("abcdefghijklmnopqrst", 5, 5, "", 20); + test("abcdefghijklmnopqrst", 0, 8, "abcde", 15); + test("abcdefghijklmnopqrst", 0, 12, "abcdefghij", 10); + test("abcdefghijklmnopqrst", 0, -1, "abcdefghijklmnopqrst", 0); + } + + { + test(L"", 0, 0, L"", 0); + test(L"", 0, 0, L"abcde", -5); + test(L"", 0, 0, L"abcdefghij", -10); + test(L"", 0, 0, L"abcdefghijklmnopqrst", -20); + test(L"abcde", 0, 2, L"", 5); + test(L"abcde", 0, 6, L"abcde", 0); + test(L"abcde", 0, 6, L"abcdefghij", -5); + test(L"abcde", 0, 6, L"abcdefghijklmnopqrst", -15); + test(L"abcdefghij", 3, 3, L"", 10); + test(L"abcdefghij", 3, 3, L"abcde", 5); + test(L"abcdefghij", 3, 3, L"def", 0); + test(L"abcdefghij", 0, 4, L"abcdefghijklmnopqrst", -10); + test(L"abcdefghijklmnopqrst", 5, 5, L"", 20); + test(L"abcdefghijklmnopqrst", 0, 8, L"abcde", 15); + test(L"abcdefghijklmnopqrst", 0, 12, L"abcdefghij", 10); + test(L"abcdefghijklmnopqrst", 0, -1, L"abcdefghijklmnopqrst", 0); + } + +#if __cplusplus >= 201103L + { + test(U"", 0, 0, U"", 0); + test(U"", 0, 0, U"abcde", -5); + test(U"", 0, 0, U"abcdefghij", -10); + test(U"", 0, 0, U"abcdefghijklmnopqrst", -20); + test(U"abcde", 0, 2, U"", 5); + test(U"abcde", 0, 6, U"abcde", 0); + test(U"abcde", 0, 6, U"abcdefghij", -5); + test(U"abcde", 0, 6, U"abcdefghijklmnopqrst", -15); + test(U"abcdefghij", 3, 3, U"", 10); + test(U"abcdefghij", 3, 3, U"abcde", 5); + test(U"abcdefghij", 3, 3, U"def", 0); + test(U"abcdefghij", 0, 4, U"abcdefghijklmnopqrst", -10); + test(U"abcdefghijklmnopqrst", 5, 5, U"", 20); + test(U"abcdefghijklmnopqrst", 0, 8, U"abcde", 15); + test(U"abcdefghijklmnopqrst", 0, 12, U"abcdefghij", 10); + test(U"abcdefghijklmnopqrst", 0, -1, U"abcdefghijklmnopqrst", 0); + } + + { + test(u"", 0, 0, u"", 0); + test(u"", 0, 0, u"abcde", -5); + test(u"", 0, 0, u"abcdefghij", -10); + test(u"", 0, 0, u"abcdefghijklmnopqrst", -20); + test(u"abcde", 0, 2, u"", 5); + test(u"abcde", 0, 6, u"abcde", 0); + test(u"abcde", 0, 6, u"abcdefghij", -5); + test(u"abcde", 0, 6, u"abcdefghijklmnopqrst", -15); + test(u"abcdefghij", 3, 3, u"", 10); + test(u"abcdefghij", 3, 3, u"abcde", 5); + test(u"abcdefghij", 3, 3, u"def", 0); + test(u"abcdefghij", 0, 4, u"abcdefghijklmnopqrst", -10); + test(u"abcdefghijklmnopqrst", 5, 5, u"", 20); + test(u"abcdefghijklmnopqrst", 0, 8, u"abcde", 15); + test(u"abcdefghijklmnopqrst", 0, 12, u"abcdefghij", 10); + test(u"abcdefghijklmnopqrst", 0, -1, u"abcdefghijklmnopqrst", 0); + } +#endif + +#if _LIBCPP_STD_VER > 11 + { + typedef std::experimental::basic_string_view<char, constexpr_char_traits<char>> SV; + constexpr SV sv1; + constexpr SV sv2 { "abcde", 5 }; + static_assert ( sv1.compare(0, 0, "") == 0, "" ); + static_assert ( sv1.compare(0, 0, "abcde") == -1, "" ); + static_assert ( sv2.compare(0, 2, "") == 1, "" ); + static_assert ( sv2.compare(0, 6, "abcde") == 0, "" ); + } +#endif +} |
