diff options
Diffstat (limited to 'clang/test/SemaCXX/cxx0x-defaulted-functions.cpp')
-rw-r--r-- | clang/test/SemaCXX/cxx0x-defaulted-functions.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/cxx0x-defaulted-functions.cpp b/clang/test/SemaCXX/cxx0x-defaulted-functions.cpp new file mode 100644 index 0000000..2e4107c --- /dev/null +++ b/clang/test/SemaCXX/cxx0x-defaulted-functions.cpp @@ -0,0 +1,53 @@ +// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s + +void fn() = default; // expected-error {{only special member}} +struct foo { + void fn() = default; // expected-error {{only special member}} + + foo() = default; + foo(const foo&) = default; + foo(foo&) = default; + foo& operator = (const foo&) = default; + foo& operator = (foo&) = default; + ~foo() = default; +}; + +struct bar { + bar(); + bar(const bar&); + bar(bar&); + bar& operator = (const bar&); + bar& operator = (bar&); + ~bar(); +}; + +bar::bar() = default; +bar::bar(const bar&) = default; +bar::bar(bar&) = default; +bar& bar::operator = (const bar&) = default; +bar& bar::operator = (bar&) = default; +bar::~bar() = default; + +static_assert(__is_trivial(foo), "foo should be trivial"); + +static_assert(!__has_trivial_destructor(bar), "bar's destructor isn't trivial"); +static_assert(!__has_trivial_constructor(bar), + "bar's default constructor isn't trivial"); +static_assert(!__has_trivial_copy(bar), "bar has no trivial copy"); +static_assert(!__has_trivial_assign(bar), "bar has no trivial assign"); + +void tester() { + foo f, g(f); + bar b, c(b); + f = g; + b = c; +} + +template<typename T> struct S : T { + constexpr S() = default; + constexpr S(const S&) = default; + constexpr S(S&&) = default; +}; +struct lit { constexpr lit() {} }; +S<lit> s_lit; // ok +S<bar> s_bar; // ok |