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}}
+};