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add tests from #100

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This commit is contained in:
Antony Polukhin
2022-09-01 14:20:47 +03:00
parent 73753b3d9e
commit bab78044e4
1 changed files with 13 additions and 0 deletions
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13
test/recursive_variant_test.cpp
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@@ -355,10 +355,23 @@ void test_recursive_variant_over()
BOOST_TEST(result5 == "( 3.5 ( 3 5 ( 3 5 ) 7 ) 17.25 ) ");
}
void test_recursive_variant_from_variant()
{
// See https://github.com/boostorg/variant/issues/100
struct Nil {};
typedef boost::variant<Nil, double> Atom;
typedef boost::variant<Nil, boost::recursive_wrapper<Atom>> Variant;
BOOST_STATIC_ASSERT(!boost::is_constructible<Variant, Atom>::value);
BOOST_STATIC_ASSERT(boost::is_constructible<boost::variant<Nil, Atom>, Atom>::value);
}
int main()
{
test_recursive_variant();
test_recursive_variant_over();
test_recursive_variant_from_variant();
return boost::report_errors();
}