diff options
Diffstat (limited to 'libcxx/test/std/containers/views/span.cons/ptr_ptr.fail.cpp')
| -rw-r--r-- | libcxx/test/std/containers/views/span.cons/ptr_ptr.fail.cpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libcxx/test/std/containers/views/span.cons/ptr_ptr.fail.cpp b/libcxx/test/std/containers/views/span.cons/ptr_ptr.fail.cpp new file mode 100644 index 00000000000..a55f0592a08 --- /dev/null +++ b/libcxx/test/std/containers/views/span.cons/ptr_ptr.fail.cpp @@ -0,0 +1,63 @@ +// -*- C++ -*- +//===------------------------------ span ---------------------------------===// +// +// 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. +// +//===---------------------------------------------------------------------===// +// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 + +// <span> + +// constexpr span(pointer first, pointer last); +// Requires: [first, last) shall be a valid range. +// If extent is not equal to dynamic_extent, then last - first shall be equal to extent. +// + +#include <span> +#include <cassert> +#include <string> + +#include "test_macros.h" + + + int arr[] = {1,2,3}; +const int carr[] = {4,5,6}; + volatile int varr[] = {7,8,9}; +const volatile int cvarr[] = {1,3,5}; + +int main () +{ +// We can't check that the size doesn't match - because that's a runtime property +// std::span<int, 2> s1(arr, arr + 3); + +// Type wrong + { + std::span<float> s1(arr, arr + 3); // expected-error {{no matching constructor for initialization of 'std::span<float>'}} + std::span<float, 3> s2(arr, arr + 3); // expected-error {{no matching constructor for initialization of 'std::span<float, 3>'}} + } + +// CV wrong (dynamically sized) + { + std::span< int> s1{ carr, carr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<int>'}} + std::span< int> s2{ varr, varr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<int>'}} + std::span< int> s3{cvarr, cvarr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<int>'}} + std::span<const int> s4{ varr, varr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<const int>'}} + std::span<const int> s5{cvarr, cvarr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<const int>'}} + std::span< volatile int> s6{ carr, carr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<volatile int>'}} + std::span< volatile int> s7{cvarr, cvarr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<volatile int>'}} + } + +// CV wrong (statically sized) + { + std::span< int,3> s1{ carr, carr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<int, 3>'}} + std::span< int,3> s2{ varr, varr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<int, 3>'}} + std::span< int,3> s3{cvarr, cvarr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<int, 3>'}} + std::span<const int,3> s4{ varr, varr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<const int, 3>'}} + std::span<const int,3> s5{cvarr, cvarr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<const int, 3>'}} + std::span< volatile int,3> s6{ carr, carr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<volatile int, 3>'}} + std::span< volatile int,3> s7{cvarr, cvarr + 3}; // expected-error {{no matching constructor for initialization of 'std::span<volatile int, 3>'}} + } +} |

