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Diffstat (limited to 'test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp')
| -rw-r--r-- | test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp b/test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp new file mode 100644 index 000000000000..387e834f4998 --- /dev/null +++ b/test/std/strings/string.view/string.view.find/find_string_view_size.pass.cpp @@ -0,0 +1,165 @@ +//===----------------------------------------------------------------------===// +// +// 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 size_type find(const basic_string_view& str, size_type pos = 0) const; + +#include <string_view> +#include <cassert> + +#include "test_macros.h" +#include "constexpr_char_traits.hpp" + +template <class S> +void +test(const S& s, const S& str, typename S::size_type pos, typename S::size_type x) +{ + assert(s.find(str, pos) == x); + if (x != S::npos) + assert(pos <= x && x + str.size() <= s.size()); +} + +template <class S> +void +test(const S& s, const S& str, typename S::size_type x) +{ + assert(s.find(str) == x); + if (x != S::npos) + assert(0 <= x && x + str.size() <= s.size()); +} + +template <class S> +void test0() +{ + test(S(""), S(""), 0, 0); + test(S(""), S("abcde"), 0, S::npos); + test(S(""), S("abcdeabcde"), 0, S::npos); + test(S(""), S("abcdeabcdeabcdeabcde"), 0, S::npos); + test(S(""), S(""), 1, S::npos); + test(S(""), S("abcde"), 1, S::npos); + test(S(""), S("abcdeabcde"), 1, S::npos); + test(S(""), S("abcdeabcdeabcdeabcde"), 1, S::npos); + test(S("abcde"), S(""), 0, 0); + test(S("abcde"), S("abcde"), 0, 0); + test(S("abcde"), S("abcdeabcde"), 0, S::npos); + test(S("abcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos); + test(S("abcde"), S(""), 1, 1); + test(S("abcde"), S("abcde"), 1, S::npos); + test(S("abcde"), S("abcdeabcde"), 1, S::npos); + test(S("abcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos); + test(S("abcde"), S(""), 2, 2); + test(S("abcde"), S("abcde"), 2, S::npos); + test(S("abcde"), S("abcdeabcde"), 2, S::npos); + test(S("abcde"), S("abcdeabcdeabcdeabcde"), 2, S::npos); + test(S("abcde"), S(""), 4, 4); + test(S("abcde"), S("abcde"), 4, S::npos); + test(S("abcde"), S("abcdeabcde"), 4, S::npos); + test(S("abcde"), S("abcdeabcdeabcdeabcde"), 4, S::npos); + test(S("abcde"), S(""), 5, 5); + test(S("abcde"), S("abcde"), 5, S::npos); + test(S("abcde"), S("abcdeabcde"), 5, S::npos); + test(S("abcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos); + test(S("abcde"), S(""), 6, S::npos); + test(S("abcde"), S("abcde"), 6, S::npos); + test(S("abcde"), S("abcdeabcde"), 6, S::npos); + test(S("abcde"), S("abcdeabcdeabcdeabcde"), 6, S::npos); + test(S("abcdeabcde"), S(""), 0, 0); + test(S("abcdeabcde"), S("abcde"), 0, 0); + test(S("abcdeabcde"), S("abcdeabcde"), 0, 0); + test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, S::npos); + test(S("abcdeabcde"), S(""), 1, 1); + test(S("abcdeabcde"), S("abcde"), 1, 5); + test(S("abcdeabcde"), S("abcdeabcde"), 1, S::npos); + test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos); + test(S("abcdeabcde"), S(""), 5, 5); + test(S("abcdeabcde"), S("abcde"), 5, 5); + test(S("abcdeabcde"), S("abcdeabcde"), 5, S::npos); + test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 5, S::npos); + test(S("abcdeabcde"), S(""), 9, 9); + test(S("abcdeabcde"), S("abcde"), 9, S::npos); + test(S("abcdeabcde"), S("abcdeabcde"), 9, S::npos); + test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 9, S::npos); + test(S("abcdeabcde"), S(""), 10, 10); + test(S("abcdeabcde"), S("abcde"), 10, S::npos); + test(S("abcdeabcde"), S("abcdeabcde"), 10, S::npos); + test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos); + test(S("abcdeabcde"), S(""), 11, S::npos); + test(S("abcdeabcde"), S("abcde"), 11, S::npos); + test(S("abcdeabcde"), S("abcdeabcde"), 11, S::npos); + test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), 11, S::npos); + test(S("abcdeabcdeabcdeabcde"), S(""), 0, 0); + test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0, 0); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0, 0); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0, 0); + test(S("abcdeabcdeabcdeabcde"), S(""), 1, 1); + test(S("abcdeabcdeabcdeabcde"), S("abcde"), 1, 5); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 1, 5); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 1, S::npos); + test(S("abcdeabcdeabcdeabcde"), S(""), 10, 10); + test(S("abcdeabcdeabcdeabcde"), S("abcde"), 10, 10); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 10, 10); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 10, S::npos); + test(S("abcdeabcdeabcdeabcde"), S(""), 19, 19); + test(S("abcdeabcdeabcdeabcde"), S("abcde"), 19, S::npos); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 19, S::npos); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 19, S::npos); + test(S("abcdeabcdeabcdeabcde"), S(""), 20, 20); + test(S("abcdeabcdeabcdeabcde"), S("abcde"), 20, S::npos); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 20, S::npos); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 20, S::npos); + test(S("abcdeabcdeabcdeabcde"), S(""), 21, S::npos); + test(S("abcdeabcdeabcdeabcde"), S("abcde"), 21, S::npos); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 21, S::npos); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 21, S::npos); +} + +template <class S> +void test1() +{ + test(S(""), S(""), 0); + test(S(""), S("abcde"), S::npos); + test(S(""), S("abcdeabcde"), S::npos); + test(S(""), S("abcdeabcdeabcdeabcde"), S::npos); + test(S("abcde"), S(""), 0); + test(S("abcde"), S("abcde"), 0); + test(S("abcde"), S("abcdeabcde"), S::npos); + test(S("abcde"), S("abcdeabcdeabcdeabcde"), S::npos); + test(S("abcdeabcde"), S(""), 0); + test(S("abcdeabcde"), S("abcde"), 0); + test(S("abcdeabcde"), S("abcdeabcde"), 0); + test(S("abcdeabcde"), S("abcdeabcdeabcdeabcde"), S::npos); + test(S("abcdeabcdeabcdeabcde"), S(""), 0); + test(S("abcdeabcdeabcdeabcde"), S("abcde"), 0); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcde"), 0); + test(S("abcdeabcdeabcdeabcde"), S("abcdeabcdeabcdeabcde"), 0); +} + +int main() +{ + { + typedef std::string_view S; + test0<S>(); + test1<S>(); + } + +#if TEST_STD_VER > 11 + { + typedef std::basic_string_view<char, constexpr_char_traits<char>> SV; + constexpr SV sv1; + constexpr SV sv2 { "abcde", 5 }; + + static_assert (sv1.find(sv1) == 0, "" ); + static_assert (sv1.find(sv2) == SV::npos, "" ); + static_assert (sv2.find(sv1) == 0, "" ); + static_assert (sv2.find(sv2) == 0, "" ); + static_assert (sv2.find(sv2, 1 ) == SV::npos, "" ); + } +#endif +} |