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Diffstat (limited to 'clang/test/SemaCXX/member-init.cpp')
-rw-r--r-- | clang/test/SemaCXX/member-init.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/member-init.cpp b/clang/test/SemaCXX/member-init.cpp new file mode 100644 index 0000000..c93c85b --- /dev/null +++ b/clang/test/SemaCXX/member-init.cpp @@ -0,0 +1,75 @@ +// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -std=c++11 -Wall %s + +struct Bitfield { + int n : 3 = 7; // expected-error {{bitfield member cannot have an in-class initializer}} +}; + +int a; +class NoWarning { + int &n = a; +public: + int &GetN() { return n; } +}; + +bool b(); +int k; +struct Recurse { + int &n = b() ? Recurse().n : k; // ok +}; + +struct UnknownBound { + int as[] = { 1, 2, 3 }; // expected-error {{array bound cannot be deduced from an in-class initializer}} + int bs[4] = { 4, 5, 6, 7 }; + int cs[] = { 8, 9, 10 }; // expected-error {{array bound cannot be deduced from an in-class initializer}} +}; + +template<int n> struct T { static const int B; }; +template<> struct T<2> { template<int C, int D> using B = int; }; +const int C = 0, D = 0; +struct S { + int as[] = { decltype(x)::B<C, D>(0) }; // expected-error {{array bound cannot be deduced from an in-class initializer}} + T<sizeof(as) / sizeof(int)> x; // expected-error {{requires a type specifier}} + // test that we handle invalid array bound deductions without crashing when the declarator name is itself invalid + operator int[](){}; // expected-error {{'operator int' cannot be the name of a variable or data member}} \ + // expected-error {{array bound cannot be deduced from an in-class initializer}} +}; + +struct ThrowCtor { ThrowCtor(int) noexcept(false); }; +struct NoThrowCtor { NoThrowCtor(int) noexcept(true); }; + +struct Throw { ThrowCtor tc = 42; }; +struct NoThrow { NoThrowCtor tc = 42; }; + +static_assert(!noexcept(Throw()), "incorrect exception specification"); +static_assert(noexcept(NoThrow()), "incorrect exception specification"); + +struct CheckExcSpec { + CheckExcSpec() noexcept(true) = default; + int n = 0; +}; +struct CheckExcSpecFail { + CheckExcSpecFail() noexcept(true) = default; // expected-error {{exception specification of explicitly defaulted default constructor does not match the calculated one}} + ThrowCtor tc = 123; +}; + +struct TypedefInit { + typedef int A = 0; // expected-error {{illegal initializer}} +}; + +// PR10578 / <rdar://problem/9877267> +namespace PR10578 { + template<typename T> + struct X { + X() { + T* x = 1; // expected-error{{cannot initialize a variable of type 'int *' with an rvalue of type 'int'}} + } + }; + + struct Y : X<int> { + Y(); + }; + + Y::Y() try { // expected-note{{in instantiation of member function 'PR10578::X<int>::X' requested here}} + } catch(...) { + } +} |