a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
445 lines
19 KiB
C++
445 lines
19 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <string_view>
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// constexpr int compare(size_type pos1, size_type n1, const charT* s) const;
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#include <experimental/string_view>
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#include <cassert>
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#include "constexpr_char_traits.hpp"
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int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
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template<typename CharT>
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void test1 ( std::experimental::basic_string_view<CharT> sv1,
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size_t pos1, size_t n1, const CharT *s, int expected ) {
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try {
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assert(sign(sv1.compare(pos1, n1, s)) == sign(expected));
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assert(pos1 <= sv1.size());
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}
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catch (const std::out_of_range&) { assert(pos1 > sv1.size()); }
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}
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template<typename CharT>
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void
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test( const CharT *s1, size_t pos1, size_t n1, const CharT *s2, int expected)
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{
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typedef std::experimental::basic_string_view<CharT> string_view_t;
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string_view_t sv1 ( s1 );
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test1 ( sv1, pos1, n1, s2, expected );
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}
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void test0()
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{
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test("", 0, 0, "", 0);
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test("", 0, 0, "abcde", -5);
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test("", 0, 0, "abcdefghij", -10);
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test("", 0, 0, "abcdefghijklmnopqrst", -20);
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test("", 0, 1, "", 0);
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test("", 0, 1, "abcde", -5);
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test("", 0, 1, "abcdefghij", -10);
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test("", 0, 1, "abcdefghijklmnopqrst", -20);
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test("", 1, 0, "", 0);
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test("", 1, 0, "abcde", 0);
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test("", 1, 0, "abcdefghij", 0);
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test("", 1, 0, "abcdefghijklmnopqrst", 0);
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test("abcde", 0, 0, "", 0);
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test("abcde", 0, 0, "abcde", -5);
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test("abcde", 0, 0, "abcdefghij", -10);
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test("abcde", 0, 0, "abcdefghijklmnopqrst", -20);
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test("abcde", 0, 1, "", 1);
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test("abcde", 0, 1, "abcde", -4);
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test("abcde", 0, 1, "abcdefghij", -9);
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test("abcde", 0, 1, "abcdefghijklmnopqrst", -19);
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test("abcde", 0, 2, "", 2);
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test("abcde", 0, 2, "abcde", -3);
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test("abcde", 0, 2, "abcdefghij", -8);
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test("abcde", 0, 2, "abcdefghijklmnopqrst", -18);
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test("abcde", 0, 4, "", 4);
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test("abcde", 0, 4, "abcde", -1);
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test("abcde", 0, 4, "abcdefghij", -6);
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test("abcde", 0, 4, "abcdefghijklmnopqrst", -16);
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test("abcde", 0, 5, "", 5);
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test("abcde", 0, 5, "abcde", 0);
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test("abcde", 0, 5, "abcdefghij", -5);
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test("abcde", 0, 5, "abcdefghijklmnopqrst", -15);
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test("abcde", 0, 6, "", 5);
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test("abcde", 0, 6, "abcde", 0);
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test("abcde", 0, 6, "abcdefghij", -5);
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test("abcde", 0, 6, "abcdefghijklmnopqrst", -15);
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test("abcde", 1, 0, "", 0);
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test("abcde", 1, 0, "abcde", -5);
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test("abcde", 1, 0, "abcdefghij", -10);
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test("abcde", 1, 0, "abcdefghijklmnopqrst", -20);
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test("abcde", 1, 1, "", 1);
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test("abcde", 1, 1, "abcde", 1);
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test("abcde", 1, 1, "abcdefghij", 1);
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test("abcde", 1, 1, "abcdefghijklmnopqrst", 1);
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test("abcde", 1, 2, "", 2);
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test("abcde", 1, 2, "abcde", 1);
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test("abcde", 1, 2, "abcdefghij", 1);
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test("abcde", 1, 2, "abcdefghijklmnopqrst", 1);
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test("abcde", 1, 3, "", 3);
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test("abcde", 1, 3, "abcde", 1);
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test("abcde", 1, 3, "abcdefghij", 1);
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test("abcde", 1, 3, "abcdefghijklmnopqrst", 1);
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test("abcde", 1, 4, "", 4);
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test("abcde", 1, 4, "abcde", 1);
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test("abcde", 1, 4, "abcdefghij", 1);
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test("abcde", 1, 4, "abcdefghijklmnopqrst", 1);
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test("abcde", 1, 5, "", 4);
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test("abcde", 1, 5, "abcde", 1);
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test("abcde", 1, 5, "abcdefghij", 1);
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test("abcde", 1, 5, "abcdefghijklmnopqrst", 1);
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test("abcde", 2, 0, "", 0);
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test("abcde", 2, 0, "abcde", -5);
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test("abcde", 2, 0, "abcdefghij", -10);
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test("abcde", 2, 0, "abcdefghijklmnopqrst", -20);
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test("abcde", 2, 1, "", 1);
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test("abcde", 2, 1, "abcde", 2);
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test("abcde", 2, 1, "abcdefghij", 2);
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test("abcde", 2, 1, "abcdefghijklmnopqrst", 2);
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test("abcde", 2, 2, "", 2);
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test("abcde", 2, 2, "abcde", 2);
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test("abcde", 2, 2, "abcdefghij", 2);
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test("abcde", 2, 2, "abcdefghijklmnopqrst", 2);
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test("abcde", 2, 3, "", 3);
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test("abcde", 2, 3, "abcde", 2);
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test("abcde", 2, 3, "abcdefghij", 2);
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test("abcde", 2, 3, "abcdefghijklmnopqrst", 2);
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test("abcde", 2, 4, "", 3);
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test("abcde", 2, 4, "abcde", 2);
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test("abcde", 2, 4, "abcdefghij", 2);
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test("abcde", 2, 4, "abcdefghijklmnopqrst", 2);
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test("abcde", 4, 0, "", 0);
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test("abcde", 4, 0, "abcde", -5);
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test("abcde", 4, 0, "abcdefghij", -10);
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test("abcde", 4, 0, "abcdefghijklmnopqrst", -20);
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test("abcde", 4, 1, "", 1);
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test("abcde", 4, 1, "abcde", 4);
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test("abcde", 4, 1, "abcdefghij", 4);
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test("abcde", 4, 1, "abcdefghijklmnopqrst", 4);
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test("abcde", 4, 2, "", 1);
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test("abcde", 4, 2, "abcde", 4);
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test("abcde", 4, 2, "abcdefghij", 4);
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test("abcde", 4, 2, "abcdefghijklmnopqrst", 4);
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test("abcde", 5, 0, "", 0);
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test("abcde", 5, 0, "abcde", -5);
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test("abcde", 5, 0, "abcdefghij", -10);
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test("abcde", 5, 0, "abcdefghijklmnopqrst", -20);
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test("abcde", 5, 1, "", 0);
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test("abcde", 5, 1, "abcde", -5);
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test("abcde", 5, 1, "abcdefghij", -10);
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test("abcde", 5, 1, "abcdefghijklmnopqrst", -20);
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}
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void test1()
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{
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test("abcde", 6, 0, "", 0);
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test("abcde", 6, 0, "abcde", 0);
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test("abcde", 6, 0, "abcdefghij", 0);
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test("abcde", 6, 0, "abcdefghijklmnopqrst", 0);
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test("abcdefghij", 0, 0, "", 0);
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test("abcdefghij", 0, 0, "abcde", -5);
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test("abcdefghij", 0, 0, "abcdefghij", -10);
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test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", -20);
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test("abcdefghij", 0, 1, "", 1);
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test("abcdefghij", 0, 1, "abcde", -4);
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test("abcdefghij", 0, 1, "abcdefghij", -9);
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test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", -19);
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test("abcdefghij", 0, 5, "", 5);
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test("abcdefghij", 0, 5, "abcde", 0);
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test("abcdefghij", 0, 5, "abcdefghij", -5);
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test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", -15);
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test("abcdefghij", 0, 9, "", 9);
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test("abcdefghij", 0, 9, "abcde", 4);
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test("abcdefghij", 0, 9, "abcdefghij", -1);
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test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", -11);
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test("abcdefghij", 0, 10, "", 10);
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test("abcdefghij", 0, 10, "abcde", 5);
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test("abcdefghij", 0, 10, "abcdefghij", 0);
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test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", -10);
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test("abcdefghij", 0, 11, "", 10);
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test("abcdefghij", 0, 11, "abcde", 5);
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test("abcdefghij", 0, 11, "abcdefghij", 0);
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test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", -10);
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test("abcdefghij", 1, 0, "", 0);
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test("abcdefghij", 1, 0, "abcde", -5);
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test("abcdefghij", 1, 0, "abcdefghij", -10);
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test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", -20);
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test("abcdefghij", 1, 1, "", 1);
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test("abcdefghij", 1, 1, "abcde", 1);
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test("abcdefghij", 1, 1, "abcdefghij", 1);
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test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1);
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test("abcdefghij", 1, 4, "", 4);
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test("abcdefghij", 1, 4, "abcde", 1);
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test("abcdefghij", 1, 4, "abcdefghij", 1);
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test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1);
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test("abcdefghij", 1, 8, "", 8);
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test("abcdefghij", 1, 8, "abcde", 1);
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test("abcdefghij", 1, 8, "abcdefghij", 1);
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test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1);
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test("abcdefghij", 1, 9, "", 9);
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test("abcdefghij", 1, 9, "abcde", 1);
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test("abcdefghij", 1, 9, "abcdefghij", 1);
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test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1);
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test("abcdefghij", 1, 10, "", 9);
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test("abcdefghij", 1, 10, "abcde", 1);
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test("abcdefghij", 1, 10, "abcdefghij", 1);
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test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1);
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test("abcdefghij", 5, 0, "", 0);
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test("abcdefghij", 5, 0, "abcde", -5);
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test("abcdefghij", 5, 0, "abcdefghij", -10);
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test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", -20);
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test("abcdefghij", 5, 1, "", 1);
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test("abcdefghij", 5, 1, "abcde", 5);
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test("abcdefghij", 5, 1, "abcdefghij", 5);
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test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 5);
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test("abcdefghij", 5, 2, "", 2);
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test("abcdefghij", 5, 2, "abcde", 5);
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test("abcdefghij", 5, 2, "abcdefghij", 5);
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test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 5);
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test("abcdefghij", 5, 4, "", 4);
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test("abcdefghij", 5, 4, "abcde", 5);
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test("abcdefghij", 5, 4, "abcdefghij", 5);
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test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 5);
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test("abcdefghij", 5, 5, "", 5);
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test("abcdefghij", 5, 5, "abcde", 5);
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test("abcdefghij", 5, 5, "abcdefghij", 5);
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test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 5);
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test("abcdefghij", 5, 6, "", 5);
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test("abcdefghij", 5, 6, "abcde", 5);
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test("abcdefghij", 5, 6, "abcdefghij", 5);
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test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 5);
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test("abcdefghij", 9, 0, "", 0);
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test("abcdefghij", 9, 0, "abcde", -5);
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test("abcdefghij", 9, 0, "abcdefghij", -10);
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test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", -20);
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test("abcdefghij", 9, 1, "", 1);
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test("abcdefghij", 9, 1, "abcde", 9);
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test("abcdefghij", 9, 1, "abcdefghij", 9);
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test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 9);
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test("abcdefghij", 9, 2, "", 1);
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test("abcdefghij", 9, 2, "abcde", 9);
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test("abcdefghij", 9, 2, "abcdefghij", 9);
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test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 9);
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test("abcdefghij", 10, 0, "", 0);
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test("abcdefghij", 10, 0, "abcde", -5);
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test("abcdefghij", 10, 0, "abcdefghij", -10);
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test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", -20);
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test("abcdefghij", 10, 1, "", 0);
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test("abcdefghij", 10, 1, "abcde", -5);
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test("abcdefghij", 10, 1, "abcdefghij", -10);
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test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", -20);
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test("abcdefghij", 11, 0, "", 0);
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test("abcdefghij", 11, 0, "abcde", 0);
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test("abcdefghij", 11, 0, "abcdefghij", 0);
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test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0);
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}
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void test2()
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{
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test("abcdefghijklmnopqrst", 0, 0, "", 0);
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test("abcdefghijklmnopqrst", 0, 0, "abcde", -5);
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test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", -10);
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test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", -20);
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test("abcdefghijklmnopqrst", 0, 1, "", 1);
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test("abcdefghijklmnopqrst", 0, 1, "abcde", -4);
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test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", -9);
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test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", -19);
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test("abcdefghijklmnopqrst", 0, 10, "", 10);
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test("abcdefghijklmnopqrst", 0, 10, "abcde", 5);
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test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0);
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test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", -10);
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test("abcdefghijklmnopqrst", 0, 19, "", 19);
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test("abcdefghijklmnopqrst", 0, 19, "abcde", 14);
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test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9);
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test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", -1);
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test("abcdefghijklmnopqrst", 0, 20, "", 20);
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test("abcdefghijklmnopqrst", 0, 20, "abcde", 15);
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test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10);
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test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0);
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test("abcdefghijklmnopqrst", 0, 21, "", 20);
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test("abcdefghijklmnopqrst", 0, 21, "abcde", 15);
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test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10);
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test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0);
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test("abcdefghijklmnopqrst", 1, 0, "", 0);
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test("abcdefghijklmnopqrst", 1, 0, "abcde", -5);
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test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", -10);
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test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", -20);
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test("abcdefghijklmnopqrst", 1, 1, "", 1);
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test("abcdefghijklmnopqrst", 1, 1, "abcde", 1);
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test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1);
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test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1);
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test("abcdefghijklmnopqrst", 1, 9, "", 9);
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test("abcdefghijklmnopqrst", 1, 9, "abcde", 1);
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test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1);
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test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1);
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test("abcdefghijklmnopqrst", 1, 18, "", 18);
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test("abcdefghijklmnopqrst", 1, 18, "abcde", 1);
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test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1);
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test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1);
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test("abcdefghijklmnopqrst", 1, 19, "", 19);
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test("abcdefghijklmnopqrst", 1, 19, "abcde", 1);
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test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1);
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test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1);
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test("abcdefghijklmnopqrst", 1, 20, "", 19);
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test("abcdefghijklmnopqrst", 1, 20, "abcde", 1);
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test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1);
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test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1);
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test("abcdefghijklmnopqrst", 10, 0, "", 0);
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test("abcdefghijklmnopqrst", 10, 0, "abcde", -5);
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test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", -10);
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test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", -20);
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test("abcdefghijklmnopqrst", 10, 1, "", 1);
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test("abcdefghijklmnopqrst", 10, 1, "abcde", 10);
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test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10);
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test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10);
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test("abcdefghijklmnopqrst", 10, 5, "", 5);
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test("abcdefghijklmnopqrst", 10, 5, "abcde", 10);
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test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10);
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test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10);
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test("abcdefghijklmnopqrst", 10, 9, "", 9);
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test("abcdefghijklmnopqrst", 10, 9, "abcde", 10);
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test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10);
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test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10);
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test("abcdefghijklmnopqrst", 10, 10, "", 10);
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test("abcdefghijklmnopqrst", 10, 10, "abcde", 10);
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test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10);
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test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10);
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test("abcdefghijklmnopqrst", 10, 11, "", 10);
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test("abcdefghijklmnopqrst", 10, 11, "abcde", 10);
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test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10);
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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
|
|
}
|