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author | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
commit | f27e5a09a0d815b8a4814152954ff87dadfdefc0 (patch) | |
tree | ce7d964cbb5e39695b71481698f10cb099c23d4a /test/SemaCXX/default2.cpp | |
download | FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.zip FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.tar.gz |
Import Clang, at r72732.
Diffstat (limited to 'test/SemaCXX/default2.cpp')
-rw-r--r-- | test/SemaCXX/default2.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/test/SemaCXX/default2.cpp b/test/SemaCXX/default2.cpp new file mode 100644 index 0000000..f99e454 --- /dev/null +++ b/test/SemaCXX/default2.cpp @@ -0,0 +1,123 @@ +// RUN: clang-cc -fsyntax-only -verify %s + +void f(int i, int j, int k = 3); +void f(int i, int j, int k); +void f(int i, int j = 2, int k); +void f(int i, int j, int k); +void f(int i = 1, int j, int k); +void f(int i, int j, int k); + +void i() +{ + f(); + f(0); + f(0, 1); + f(0, 1, 2); +} + + +int f1(int i, int i, int j) { // expected-error {{redefinition of parameter 'i'}} + i = 17; + return j; +} + +int x; +void g(int x, int y = x); // expected-error {{default argument references parameter 'x'}} + +void h() +{ + int i; + extern void h2(int x = sizeof(i)); // expected-error {{default argument references local variable 'i' of enclosing function}} +} + +void g2(int x, int y, int z = x + y); // expected-error {{default argument references parameter 'x'}} expected-error {{default argument references parameter 'y'}} + +void nondecl(int (*f)(int x = 5)) // {expected-error {{default arguments can only be specified}}} +{ + void (*f2)(int = 17) // {expected-error {{default arguments can only be specified}}} + = (void (*)(int = 42))f; // {expected-error {{default arguments can only be specified}}} +} + +class X { + void f(X* x = this); // expected-error{{invalid use of 'this' outside of a nonstatic member function}} + + void g() { + int f(X* x = this); // expected-error{{default argument references 'this'}} + } +}; + +// C++ [dcl.fct.default]p6 +class C { + static int x; + void f(int i = 3); // expected-note{{previous definition is here}} + void g(int i, int j = x); + + void h(); +}; +void C::f(int i = 3) // expected-error{{redefinition of default argument}} +{ } + +void C::g(int i = 88, int j) {} + +void C::h() { + g(); // okay +} + +// C++ [dcl.fct.default]p9 +struct Y { + int a; + int mem1(int i = a); // expected-error{{invalid use of nonstatic data member 'a'}} + int mem2(int i = b); // OK; use Y::b + int mem3(int i); + int mem4(int i); + + struct Nested { + int mem5(int i = b, // OK; use Y::b + int j = c, // OK; use Y::Nested::c + int k = j, // expected-error{{default argument references parameter 'j'}} + int l = a, // expected-error{{invalid use of nonstatic data member 'a'}} + Nested* self = this, // expected-error{{invalid use of 'this' outside of a nonstatic member function}} + int m); // expected-error{{missing default argument on parameter 'm'}} + static int c; + }; + + static int b; + + int (*f)(int = 17); // expected-error{{default arguments can only be specified for parameters in a function declaration}} + + void mem8(int (*fp)(int) = (int (*)(int = 17))0); // expected-error{{default arguments can only be specified for parameters in a function declaration}} +}; + +int Y::mem3(int i = b) { return i; } // OK; use X::b + +int Y::mem4(int i = a) // expected-error{{invalid use of nonstatic data member 'a'}} +{ return i; } + + +// Try to verify that default arguments interact properly with copy +// constructors. +class Z { +public: + Z(Z&, int i = 17); // expected-note 2 {{candidate function}} + + void f(Z& z) { + Z z2; // expected-error{{no matching constructor for initialization}} + Z z3(z); + } + + void test_Z(const Z& z) { + Z z2(z); // expected-error{{no matching constructor for initialization of 'z2'}} + } +}; + +void test_Z(const Z& z) { + Z z2(z); // expected-error{{no matching constructor for initialization of 'z2'}} +} + +struct ZZ { + void f(ZZ z = g()); // expected-error{{no matching constructor for initialization}} + + static ZZ g(int = 17); + + ZZ(ZZ&, int = 17); // expected-note{{candidate function}} +}; |