1*89a1d03eSRichard // RUN: %check_clang_tidy %s bugprone-easily-swappable-parameters %t --
2*89a1d03eSRichard 
3*89a1d03eSRichard // Test that all of the default entries in the IgnoredParameterTypeSuffixes
4*89a1d03eSRichard // option are indeed ignored.
5*89a1d03eSRichard 
6*89a1d03eSRichard struct A {};
7*89a1d03eSRichard 
8*89a1d03eSRichard namespace IgnoredTypes {
9*89a1d03eSRichard using Bool = A;
10*89a1d03eSRichard using _Bool = A;
11*89a1d03eSRichard using it = A;
12*89a1d03eSRichard using It = A;
13*89a1d03eSRichard using iterator = A;
14*89a1d03eSRichard using Iterator = A;
15*89a1d03eSRichard using inputit = A;
16*89a1d03eSRichard using InputIt = A;
17*89a1d03eSRichard using forwardit = A;
18*89a1d03eSRichard using ForwardIt = A;
19*89a1d03eSRichard using bidirit = A;
20*89a1d03eSRichard using BidirIt = A;
21*89a1d03eSRichard using constiterator = A;
22*89a1d03eSRichard using const_iterator = A;
23*89a1d03eSRichard using Const_Iterator = A;
24*89a1d03eSRichard using Constiterator = A;
25*89a1d03eSRichard using ConstIterator = A;
26*89a1d03eSRichard using RandomIt = A;
27*89a1d03eSRichard using randomit = A;
28*89a1d03eSRichard using random_iterator = A;
29*89a1d03eSRichard using ReverseIt = A;
30*89a1d03eSRichard using reverse_iterator = A;
31*89a1d03eSRichard using reverse_const_iterator = A;
32*89a1d03eSRichard using ConstReverseIterator = A;
33*89a1d03eSRichard using Const_Reverse_Iterator = A;
34*89a1d03eSRichard using const_reverse_iterator = A;
35*89a1d03eSRichard using Constreverseiterator = A;
36*89a1d03eSRichard using constreverseiterator = A;
37*89a1d03eSRichard } // namespace IgnoredTypes
38*89a1d03eSRichard 
39*89a1d03eSRichard // The types used here all have a suffix that is present in the default value of
40*89a1d03eSRichard // IgnoredParameterTypeSuffixes, and should therefore be ignored:
f1(bool Foo,bool Bar)41*89a1d03eSRichard void f1(bool Foo, bool Bar) {}
f2(IgnoredTypes::Bool Foo,IgnoredTypes::Bool Bar)42*89a1d03eSRichard void f2(IgnoredTypes::Bool Foo, IgnoredTypes::Bool Bar) {}
f3(IgnoredTypes::_Bool Foo,IgnoredTypes::_Bool Bar)43*89a1d03eSRichard void f3(IgnoredTypes::_Bool Foo, IgnoredTypes::_Bool Bar) {}
f4(IgnoredTypes::it Foo,IgnoredTypes::it Bar)44*89a1d03eSRichard void f4(IgnoredTypes::it Foo, IgnoredTypes::it Bar) {}
f5(IgnoredTypes::It Foo,IgnoredTypes::It Bar)45*89a1d03eSRichard void f5(IgnoredTypes::It Foo, IgnoredTypes::It Bar) {}
f6(IgnoredTypes::iterator Foo,IgnoredTypes::iterator Bar)46*89a1d03eSRichard void f6(IgnoredTypes::iterator Foo, IgnoredTypes::iterator Bar) {}
f7(IgnoredTypes::Iterator Foo,IgnoredTypes::Iterator Bar)47*89a1d03eSRichard void f7(IgnoredTypes::Iterator Foo, IgnoredTypes::Iterator Bar) {}
f8(IgnoredTypes::inputit Foo,IgnoredTypes::inputit Bar)48*89a1d03eSRichard void f8(IgnoredTypes::inputit Foo, IgnoredTypes::inputit Bar) {}
f9(IgnoredTypes::InputIt Foo,IgnoredTypes::InputIt Bar)49*89a1d03eSRichard void f9(IgnoredTypes::InputIt Foo, IgnoredTypes::InputIt Bar) {}
f10(IgnoredTypes::forwardit Foo,IgnoredTypes::forwardit Bar)50*89a1d03eSRichard void f10(IgnoredTypes::forwardit Foo, IgnoredTypes::forwardit Bar) {}
f11(IgnoredTypes::ForwardIt Foo,IgnoredTypes::ForwardIt Bar)51*89a1d03eSRichard void f11(IgnoredTypes::ForwardIt Foo, IgnoredTypes::ForwardIt Bar) {}
f12(IgnoredTypes::bidirit Foo,IgnoredTypes::bidirit Bar)52*89a1d03eSRichard void f12(IgnoredTypes::bidirit Foo, IgnoredTypes::bidirit Bar) {}
f13(IgnoredTypes::BidirIt Foo,IgnoredTypes::BidirIt Bar)53*89a1d03eSRichard void f13(IgnoredTypes::BidirIt Foo, IgnoredTypes::BidirIt Bar) {}
f14(IgnoredTypes::constiterator Foo,IgnoredTypes::constiterator Bar)54*89a1d03eSRichard void f14(IgnoredTypes::constiterator Foo, IgnoredTypes::constiterator Bar) {}
f15(IgnoredTypes::const_iterator Foo,IgnoredTypes::const_iterator Bar)55*89a1d03eSRichard void f15(IgnoredTypes::const_iterator Foo, IgnoredTypes::const_iterator Bar) {}
f16(IgnoredTypes::Const_Iterator Foo,IgnoredTypes::Const_Iterator Bar)56*89a1d03eSRichard void f16(IgnoredTypes::Const_Iterator Foo, IgnoredTypes::Const_Iterator Bar) {}
f17(IgnoredTypes::Constiterator Foo,IgnoredTypes::Constiterator Bar)57*89a1d03eSRichard void f17(IgnoredTypes::Constiterator Foo, IgnoredTypes::Constiterator Bar) {}
f18(IgnoredTypes::ConstIterator Foo,IgnoredTypes::ConstIterator Bar)58*89a1d03eSRichard void f18(IgnoredTypes::ConstIterator Foo, IgnoredTypes::ConstIterator Bar) {}
f19(IgnoredTypes::RandomIt Foo,IgnoredTypes::RandomIt Bar)59*89a1d03eSRichard void f19(IgnoredTypes::RandomIt Foo, IgnoredTypes::RandomIt Bar) {}
f20(IgnoredTypes::randomit Foo,IgnoredTypes::randomit Bar)60*89a1d03eSRichard void f20(IgnoredTypes::randomit Foo, IgnoredTypes::randomit Bar) {}
f21(IgnoredTypes::random_iterator Foo,IgnoredTypes::random_iterator Bar)61*89a1d03eSRichard void f21(IgnoredTypes::random_iterator Foo, IgnoredTypes::random_iterator Bar) {}
f22(IgnoredTypes::ReverseIt Foo,IgnoredTypes::ReverseIt Bar)62*89a1d03eSRichard void f22(IgnoredTypes::ReverseIt Foo, IgnoredTypes::ReverseIt Bar) {}
f23(IgnoredTypes::reverse_iterator Foo,IgnoredTypes::reverse_iterator Bar)63*89a1d03eSRichard void f23(IgnoredTypes::reverse_iterator Foo, IgnoredTypes::reverse_iterator Bar) {}
f24(IgnoredTypes::reverse_const_iterator Foo,IgnoredTypes::reverse_const_iterator Bar)64*89a1d03eSRichard void f24(IgnoredTypes::reverse_const_iterator Foo, IgnoredTypes::reverse_const_iterator Bar) {}
f25(IgnoredTypes::ConstReverseIterator Foo,IgnoredTypes::ConstReverseIterator Bar)65*89a1d03eSRichard void f25(IgnoredTypes::ConstReverseIterator Foo, IgnoredTypes::ConstReverseIterator Bar) {}
f26(IgnoredTypes::Const_Reverse_Iterator Foo,IgnoredTypes::Const_Reverse_Iterator Bar)66*89a1d03eSRichard void f26(IgnoredTypes::Const_Reverse_Iterator Foo, IgnoredTypes::Const_Reverse_Iterator Bar) {}
f27(IgnoredTypes::const_reverse_iterator Foo,IgnoredTypes::const_reverse_iterator Bar)67*89a1d03eSRichard void f27(IgnoredTypes::const_reverse_iterator Foo, IgnoredTypes::const_reverse_iterator Bar) {}
f28(IgnoredTypes::Constreverseiterator Foo,IgnoredTypes::Constreverseiterator Bar)68*89a1d03eSRichard void f28(IgnoredTypes::Constreverseiterator Foo, IgnoredTypes::Constreverseiterator Bar) {}
f29(IgnoredTypes::constreverseiterator Foo,IgnoredTypes::constreverseiterator Bar)69*89a1d03eSRichard void f29(IgnoredTypes::constreverseiterator Foo, IgnoredTypes::constreverseiterator Bar) {}
70*89a1d03eSRichard 
71*89a1d03eSRichard // This suffix of this type is not present in IgnoredParameterTypeSuffixes'
72*89a1d03eSRichard // default value, therefore, a warning _should_ be generated.
73*89a1d03eSRichard using ShouldNotBeIgnored = A;
f30(ShouldNotBeIgnored Foo,ShouldNotBeIgnored Bar)74*89a1d03eSRichard void f30(ShouldNotBeIgnored Foo, ShouldNotBeIgnored Bar) {}
75*89a1d03eSRichard // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: 2 adjacent parameters of 'f30' of similar type ('ShouldNotBeIgnored') are easily swapped by mistake [bugprone-easily-swappable-parameters]
76*89a1d03eSRichard // CHECK-MESSAGES: :[[@LINE-2]]:29: note: the first parameter in the range is 'Foo'
77*89a1d03eSRichard // CHECK-MESSAGES: :[[@LINE-3]]:53: note: the last parameter in the range is 'Bar'
78