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Add some more partial-ordering tests, including one that changes with 

the proposed resolution to core isue 692. I'm not certain which way
we'll go on this one.

llvm-svn: 123331
This commit is contained in:
Douglas Gregor 2011-01-12 22:04:05 +00:00
parent 58b6f4d832
commit ab2ecacee1
1 changed files with 33 additions and 0 deletions
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33
clang/test/CXX/temp/temp.decls/temp.variadic/partial-ordering.cpp
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@ -28,3 +28,36 @@ int check1[X1<tuple<int>>::value == 2? 1 : -1];
int check2[X1<tuple<int, int>>::value == 1? 1 : -1];
int check3[X1<tuple<int, int&>>::value == 2? 1 : -1];
int check4[X1<tuple<int&, int&>>::value == 3? 1 : -1];
// Partial ordering of function templates.
template<typename T1, typename T2, typename ...Rest>
int &f0(T1, T2, Rest...); // expected-note{{candidate function [with T1 = int, T2 = double, Rest = <>]}}
template<typename T1, typename T2>
float &f0(T1, T2); // expected-note{{candidate function [with T1 = int, T2 = double]}}
// FIXME: this is currently ambiguous, based on the proposed resolution
// to core issue 692.
void test_f0() {
int &ir1 = f0(1, 2.0, 'a');
float &fr1 = f0(1, 2.0); // expected-error{{call to 'f0' is ambiguous}}
}
template<typename T1, typename T2, typename ...Rest>
int &f1(T1, T2, Rest...);
template<typename T1, typename T2>
float &f1(T1, T2, ...);
void test_f1() {
int &ir1 = f1(1, 2.0, 'a');
}
template<typename T1, typename T2, typename ...Rest>
int &f2(T1, T2, Rest...);
float &f2(...);
void test_f2() {
int &ir1 = f2(1, 2.0, 'a');
}