[libcxx-commits] [libcxx] r360911 - Improve the test coverage for std::is_base_of
Marshall Clow via libcxx-commits
libcxx-commits at lists.llvm.org
Thu May 16 08:56:26 PDT 2019
Author: marshall
Date: Thu May 16 08:56:26 2019
New Revision: 360911
URL: http://llvm.org/viewvc/llvm-project?rev=360911&view=rev
Log:
Improve the test coverage for std::is_base_of
Modified:
libcxx/trunk/test/std/utilities/meta/meta.rel/is_base_of.pass.cpp
Modified: libcxx/trunk/test/std/utilities/meta/meta.rel/is_base_of.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/utilities/meta/meta.rel/is_base_of.pass.cpp?rev=360911&r1=360910&r2=360911&view=diff
==============================================================================
--- libcxx/trunk/test/std/utilities/meta/meta.rel/is_base_of.pass.cpp (original)
+++ libcxx/trunk/test/std/utilities/meta/meta.rel/is_base_of.pass.cpp Thu May 16 08:56:26 2019
@@ -39,6 +39,7 @@ struct B {};
struct B1 : B {};
struct B2 : B {};
struct D : private B1, private B2 {};
+struct I0; // incomplete
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<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;
}
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