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| author | dmitrykobets-msft <89153909+dmitrykobets-msft@users.noreply.github.com> | 2022-03-22 23:20:54 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-03-22 23:20:54 +0300 |
| commit | 383723676cd548d615159701ac3d050f8dd1e128 (patch) | |
| tree | ab9ed33ee235acf25b15d24a5978f8b8dc55a34a /tests/span_tests.cpp | |
| parent | f22f524aa2d5e5ad334bcf88c69ffdb5636deed9 (diff) | |
Make gsl::span's iterators use the contiguous_iterator concept (#1035)
Resolves #1016
Co-authored-by: Casey Carter <Casey@Carter.net>
Diffstat (limited to 'tests/span_tests.cpp')
| -rw-r--r-- | tests/span_tests.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/span_tests.cpp b/tests/span_tests.cpp index 33ccf56..41ac3ae 100644 --- a/tests/span_tests.cpp +++ b/tests/span_tests.cpp @@ -40,6 +40,9 @@ #endif // __has_include(<string_view>) #endif // __has_include #endif // (defined(__cpp_deduction_guides) && (__cpp_deduction_guides >= 201611L)) +#if defined(__cplusplus) && __cplusplus >= 202002L +#include <span> +#endif // __cplusplus >= 202002L #include "deathTestCommon.h" @@ -1297,3 +1300,20 @@ TEST(span_test, front_back) EXPECT_DEATH(s2.front(), expected); EXPECT_DEATH(s2.back(), expected); } + +#if defined(FORCE_STD_SPAN_TESTS) || defined(__cpp_lib_span) && __cpp_lib_span >= 202002L +TEST(span_test, std_span) +{ + // make sure std::span can be constructed from gsl::span + int arr[5] = {1, 2, 3, 4, 5}; + gsl::span<int> gsl_span{arr}; +#if defined(__cpp_lib_ranges) || (defined(_MSVC_STL_VERSION) && defined(__cpp_lib_concepts)) + EXPECT_TRUE(std::to_address(gsl_span.begin()) == gsl_span.data()); + EXPECT_TRUE(std::to_address(gsl_span.end()) == gsl_span.data() + gsl_span.size()); +#endif // __cpp_lib_ranges + + std::span<int> std_span = gsl_span; + EXPECT_TRUE(std_span.data() == gsl_span.data()); + EXPECT_TRUE(std_span.size() == gsl_span.size()); +} +#endif // defined(FORCE_STD_SPAN_TESTS) || defined(__cpp_lib_span) && __cpp_lib_span >= 202002L |