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Improve the test coverage for std::is_base_of

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@360911 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2019-05-16 15:56:26 +00:00
parent 549cc3d6e1
commit 7cfbabcb84
1 changed files with 15 additions and 0 deletions
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15
test/std/utilities/meta/meta.rel/is_base_of.pass.cpp
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@@ -39,6 +39,7 @@ struct B {};
struct B1 : B {}; struct B1 : B {};
struct B2 : B {}; struct B2 : B {};
struct D : private B1, private B2 {}; struct D : private B1, private B2 {};
struct I0; // incomplete
int main(int, char**) int main(int, char**)
{ {
@@ -54,5 +55,19 @@ int main(int, char**)
test_is_not_base_of<B[3], D[3]>(); test_is_not_base_of<B[3], D[3]>();
test_is_not_base_of<int, int>(); test_is_not_base_of<int, int>();
// A scalar is never the base class of anything (including incomplete types)
test_is_not_base_of<int, B>();
test_is_not_base_of<int, B1>();
test_is_not_base_of<int, B2>();
test_is_not_base_of<int, D>();
test_is_not_base_of<int, I0>();
// A scalar never has base classes (including incomplete types)
test_is_not_base_of<B, int>();
test_is_not_base_of<B1, int>();
test_is_not_base_of<B2, int>();
test_is_not_base_of<D, int>();
test_is_not_base_of<I0, int>();
return 0; return 0;
} }