50 lines
2.2 KiB
C++
50 lines
2.2 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11 -triple=x86_64-linux-gnu
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int f(); // expected-note {{declared here}}
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static_assert(f(), "f"); // expected-error {{static_assert expression is not an integral constant expression}} expected-note {{non-constexpr function 'f' cannot be used in a constant expression}}
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static_assert(true, "true is not false");
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static_assert(false, "false is false"); // expected-error {{static_assert failed "false is false"}}
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void g() {
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static_assert(false, "false is false"); // expected-error {{static_assert failed "false is false"}}
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}
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class C {
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static_assert(false, "false is false"); // expected-error {{static_assert failed "false is false"}}
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};
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template<int N> struct T {
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static_assert(N == 2, "N is not 2!"); // expected-error {{static_assert failed "N is not 2!"}}
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};
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T<1> t1; // expected-note {{in instantiation of template class 'T<1>' requested here}}
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T<2> t2;
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template<typename T> struct S {
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static_assert(sizeof(T) > sizeof(char), "Type not big enough!"); // expected-error {{static_assert failed "Type not big enough!"}}
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};
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S<char> s1; // expected-note {{in instantiation of template class 'S<char>' requested here}}
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S<int> s2;
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static_assert(false, L"\xFFFFFFFF"); // expected-error {{static_assert failed L"\xFFFFFFFF"}}
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static_assert(false, u"\U000317FF"); // expected-error {{static_assert failed u"\U000317FF"}}
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// FIXME: render this as u8"\u03A9"
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static_assert(false, u8"Ω"); // expected-error {{static_assert failed u8"\316\251"}}
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static_assert(false, L"\u1234"); // expected-error {{static_assert failed L"\x1234"}}
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static_assert(false, L"\x1ff" "0\x123" "fx\xfffff" "goop"); // expected-error {{static_assert failed L"\x1FF""0\x123""fx\xFFFFFgoop"}}
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template<typename T> struct AlwaysFails {
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// Only give one error here.
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static_assert(false, ""); // expected-error {{static_assert failed}}
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};
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AlwaysFails<int> alwaysFails;
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template<typename T> struct StaticAssertProtected {
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static_assert(__is_literal(T), ""); // expected-error {{static_assert failed}}
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static constexpr T t = {}; // no error here
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};
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struct X { ~X(); };
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StaticAssertProtected<int> sap1;
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StaticAssertProtected<X> sap2; // expected-note {{instantiation}}
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