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| author | Jacques Lucke <jacques@blender.org> | 2021-03-17 17:26:17 +0300 |
|---|---|---|
| committer | Jacques Lucke <jacques@blender.org> | 2021-03-17 17:27:31 +0300 |
| commit | bf620020f135eab149b6327b79de8b378d99be7e (patch) | |
| tree | 9b1fe60a60faa277e3abbd4a95d729b1cf29723c /source/blender/blenlib/tests | |
| parent | 256da1c4b97224bc93b4d685896fabc9399639c5 (diff) | |
BLI: improve implicit conversions of spans
Some conversions that should work did not work before.
For example, `MutableSpan<int *> -> MutableSpan<const int *>`.
Diffstat (limited to 'source/blender/blenlib/tests')
| -rw-r--r-- | source/blender/blenlib/tests/BLI_span_test.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/source/blender/blenlib/tests/BLI_span_test.cc b/source/blender/blenlib/tests/BLI_span_test.cc index 002c97b0c7d..f611529b47e 100644 --- a/source/blender/blenlib/tests/BLI_span_test.cc +++ b/source/blender/blenlib/tests/BLI_span_test.cc @@ -392,4 +392,16 @@ TEST(span, Constexpr) EXPECT_EQ(span.slice(1, 2).size(), 2); } +TEST(span, ImplicitConversions) +{ + BLI_STATIC_ASSERT((std::is_convertible_v<MutableSpan<int>, Span<int>>), ""); + BLI_STATIC_ASSERT((std::is_convertible_v<Span<int *>, Span<const int *>>), ""); + BLI_STATIC_ASSERT((std::is_convertible_v<MutableSpan<int *>, Span<int *>>), ""); + BLI_STATIC_ASSERT((std::is_convertible_v<MutableSpan<int *>, Span<const int *>>), ""); + BLI_STATIC_ASSERT((std::is_convertible_v<MutableSpan<int *>, MutableSpan<const int *>>), ""); + BLI_STATIC_ASSERT((!std::is_convertible_v<MutableSpan<const int *>, MutableSpan<int *>>), ""); + BLI_STATIC_ASSERT((!std::is_convertible_v<Span<const int *>, Span<int *>>), ""); + BLI_STATIC_ASSERT((!std::is_convertible_v<Span<int *>, MutableSpan<const int *>>), ""); +} + } // namespace blender::tests |