xref: /llvm-project/clang/test/CXX/class/class.compare/class.eq/p3.cpp (revision ffe612922cb5aa2767c79d47a1b162811a08583f)
1cafc7416SRichard Smith // RUN: %clang_cc1 -std=c++2a -verify %s
2cafc7416SRichard Smith 
3cafc7416SRichard Smith struct A {
4e6e6e34bSRichard Smith   int a, b[3], c;
5cafc7416SRichard Smith   bool operator==(const A&) const = default;
6cafc7416SRichard Smith };
7cafc7416SRichard Smith 
8e6e6e34bSRichard Smith static_assert(A{1, 2, 3, 4, 5} == A{1, 2, 3, 4, 5});
9e6e6e34bSRichard Smith static_assert(A{1, 2, 3, 4, 5} == A{0, 2, 3, 4, 5}); // expected-error {{failed}}
10e6e6e34bSRichard Smith static_assert(A{1, 2, 3, 4, 5} == A{1, 0, 3, 4, 5}); // expected-error {{failed}}
11e6e6e34bSRichard Smith static_assert(A{1, 2, 3, 4, 5} == A{1, 2, 0, 4, 5}); // expected-error {{failed}}
12e6e6e34bSRichard Smith static_assert(A{1, 2, 3, 4, 5} == A{1, 2, 3, 0, 5}); // expected-error {{failed}}
13e6e6e34bSRichard Smith static_assert(A{1, 2, 3, 4, 5} == A{1, 2, 3, 4, 0}); // expected-error {{failed}}
14*ffe61292SRichard Smith 
15*ffe61292SRichard Smith struct B {
16*ffe61292SRichard Smith   int a, b[3], c;
17*ffe61292SRichard Smith   friend bool operator==(B, B) = default;
18*ffe61292SRichard Smith };
19*ffe61292SRichard Smith 
20*ffe61292SRichard Smith static_assert(B{1, 2, 3, 4, 5} == B{1, 2, 3, 4, 5});
21*ffe61292SRichard Smith static_assert(B{1, 2, 3, 4, 5} == B{0, 2, 3, 4, 5}); // expected-error {{failed}}
22*ffe61292SRichard Smith static_assert(B{1, 2, 3, 4, 5} == B{1, 0, 3, 4, 5}); // expected-error {{failed}}
23*ffe61292SRichard Smith static_assert(B{1, 2, 3, 4, 5} == B{1, 2, 0, 4, 5}); // expected-error {{failed}}
24*ffe61292SRichard Smith static_assert(B{1, 2, 3, 4, 5} == B{1, 2, 3, 0, 5}); // expected-error {{failed}}
25*ffe61292SRichard Smith static_assert(B{1, 2, 3, 4, 5} == B{1, 2, 3, 4, 0}); // expected-error {{failed}}
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