diff options
Diffstat (limited to 'test/SemaTemplate/undefined-template.cpp')
| -rw-r--r-- | test/SemaTemplate/undefined-template.cpp | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/test/SemaTemplate/undefined-template.cpp b/test/SemaTemplate/undefined-template.cpp new file mode 100644 index 000000000000..a03d0b7cff62 --- /dev/null +++ b/test/SemaTemplate/undefined-template.cpp @@ -0,0 +1,139 @@ +// RUN: %clang_cc1 -fsyntax-only -verify -std=c++14 -Wundefined-func-template %s + +template <class T> struct C1 { + static char s_var_1; // expected-note{{forward declaration of template entity is here}} + static char s_var_2; // expected-note{{forward declaration of template entity is here}} + static void s_func_1(); // expected-note{{forward declaration of template entity is here}} + static void s_func_2(); // expected-note{{forward declaration of template entity is here}} + void meth_1(); // expected-note2{{forward declaration of template entity is here}} + void meth_2(); + template <class T1> static char s_tvar_2; // expected-note{{forward declaration of template entity is here}} + template <class T1> static void s_tfunc_2(); // expected-note{{forward declaration of template entity is here}} + template<typename T1> struct C2 { + static char s_var_2; // expected-note{{forward declaration of template entity is here}} + static void s_func_2(); // expected-note{{forward declaration of template entity is here}} + void meth_2(); // expected-note{{forward declaration of template entity is here}} + template <class T2> static char s_tvar_2; // expected-note{{forward declaration of template entity is here}} + template <class T2> void tmeth_2(); // expected-note{{forward declaration of template entity is here}} + }; +}; + +extern template char C1<int>::s_var_2; +extern template void C1<int>::s_func_2(); +extern template void C1<int>::meth_2(); +extern template char C1<int>::s_tvar_2<char>; +extern template void C1<int>::s_tfunc_2<char>(); +extern template void C1<int>::C2<long>::s_var_2; +extern template void C1<int>::C2<long>::s_func_2(); +extern template void C1<int>::C2<long>::meth_2(); +extern template char C1<int>::C2<long>::s_tvar_2<char>; +extern template void C1<int>::C2<long>::tmeth_2<char>(); + +char func_01() { + return C1<int>::s_var_2; +} + +char func_02() { + return C1<int>::s_var_1; // expected-warning{{instantiation of variable 'C1<int>::s_var_1' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::s_var_1' is explicitly instantiated in another translation unit}} +} + +char func_03() { + return C1<char>::s_var_2; // expected-warning{{instantiation of variable 'C1<char>::s_var_2' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<char>::s_var_2' is explicitly instantiated in another translation unit}} +} + +void func_04() { + C1<int>::s_func_1(); // expected-warning{{instantiation of function 'C1<int>::s_func_1' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::s_func_1' is explicitly instantiated in another translation unit}} +} + +void func_05() { + C1<int>::s_func_2(); +} + +void func_06() { + C1<char>::s_func_2(); // expected-warning{{instantiation of function 'C1<char>::s_func_2' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<char>::s_func_2' is explicitly instantiated in another translation unit}} +} + +void func_07(C1<int> *x) { + x->meth_1(); // expected-warning{{instantiation of function 'C1<int>::meth_1' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::meth_1' is explicitly instantiated in another translation unit}} +} + +void func_08(C1<int> *x) { + x->meth_2(); +} + +void func_09(C1<char> *x) { + x->meth_1(); // expected-warning{{instantiation of function 'C1<char>::meth_1' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<char>::meth_1' is explicitly instantiated in another translation unit}} +} + +char func_10() { + return C1<int>::s_tvar_2<char>; +} + +char func_11() { + return C1<int>::s_tvar_2<long>; // expected-warning{{instantiation of variable 'C1<int>::s_tvar_2<long>' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::s_tvar_2<long>' is explicitly instantiated in another translation unit}} +} + +void func_12() { + C1<int>::s_tfunc_2<char>(); +} + +void func_13() { + C1<int>::s_tfunc_2<long>(); // expected-warning{{instantiation of function 'C1<int>::s_tfunc_2<long>' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::s_tfunc_2<long>' is explicitly instantiated in another translation unit}} +} + +char func_14() { + return C1<int>::C2<long>::s_var_2; +} + +char func_15() { + return C1<int>::C2<char>::s_var_2; //expected-warning {{instantiation of variable 'C1<int>::C2<char>::s_var_2' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::C2<char>::s_var_2' is explicitly instantiated in another translation unit}} +} + +void func_16() { + C1<int>::C2<long>::s_func_2(); +} + +void func_17() { + C1<int>::C2<char>::s_func_2(); // expected-warning{{instantiation of function 'C1<int>::C2<char>::s_func_2' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::C2<char>::s_func_2' is explicitly instantiated in another translation unit}} +} + +void func_18(C1<int>::C2<long> *x) { + x->meth_2(); +} + +void func_19(C1<int>::C2<char> *x) { + x->meth_2(); // expected-warning{{instantiation of function 'C1<int>::C2<char>::meth_2' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::C2<char>::meth_2' is explicitly instantiated in another translation unit}} +} + +char func_20() { + return C1<int>::C2<long>::s_tvar_2<char>; +} + +char func_21() { + return C1<int>::C2<long>::s_tvar_2<long>; // expected-warning{{instantiation of variable 'C1<int>::C2<long>::s_tvar_2<long>' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::C2<long>::s_tvar_2<long>' is explicitly instantiated in another translation unit}} +} + +void func_22(C1<int>::C2<long> *x) { + x->tmeth_2<char>(); +} + +void func_23(C1<int>::C2<long> *x) { + x->tmeth_2<int>(); // expected-warning{{instantiation of function 'C1<int>::C2<long>::tmeth_2<int>' required here, but no definition is available}} + // expected-note@-1{{add an explicit instantiation declaration to suppress this warning if 'C1<int>::C2<long>::tmeth_2<int>' is explicitly instantiated in another translation unit}} +} + +int main() { + return 0; +} |