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more tests

From-SVN: r22073

gcc/testsuite/g++.old-deja/g++.benjamin/tem04.C

+// Build don't link:
+// 980827 bkoz
+// template parameter redeclaration bugs, part two:
+// template template params and expanded template non-type parms
+
+// 14.1 Template parameters
+// p 13
+// The scope of a template-parameter extens from its point of
+// declartion until the end of its template. In particular, a
+// template-parameter can be used in the declaration of subsequent
+// template-parameters and their default arguments. 
+
+// 14.6.1 Locally declared names
+// p 4
+// A template-parameter shall not be redeclared within its scope
+// (including nested scopes). A template-parameter shall not have the
+// same name as the template name.
+
+// 14 
+// declared friend template (v3, template type parameters)
+template <class T4>// ERROR - .*
+class Xfourteen {
+protected:
+  T4 value;
+public:
+  Xfourteen(T4 init): value(init) {}
+  template <template <typename T4> class T5> 
+  friend bool isequal (Xfourteen<int>& lhs, Xfourteen<int>& rhs);// ERROR - .*
+};
+
+
+// 15
+// nested template class (v3, template type parameters)
+template <class T6>// ERROR - .*
+class Xfifteen {
+protected:
+  T6 value;
+public:
+  Xfifteen(T6 init): value(init) {}
+
+  template <template <typename T6> class T7> class nested {// ERROR - .*
+    int value;
+  public:
+    nested(): value( int(0)) {}
+  };
+};
+
+
+// 16
+// member templates (v3, template type parameters)
+template <class T8>// ERROR - .*
+class Xsixteen {
+protected:
+  T8 value;
+public:
+  Xsixteen(T8 init): value(init) {}
+
+  template <template <typename T8> class T9> int comp_ge(int test) {// ERROR - .*
+    int local_value;
+    if (local_value > value) 
+      return local_value;
+    else
+      return value;
+  }
+};
+
+
+// 17
+// declared friend template (v4, template type parameters on the class)
+template <typename T9> class tem_base {
+public:
+  T9 value;
+};
+
+template <typename T10, template <typename T12> class C10>// ERROR - .*
+class Xseventeen {
+protected:
+  C10<T10> value;
+public:
+  Xseventeen(){}
+  template <typename T12> // ok??
+  friend bool isequal (Xseventeen<T10, tem_base>& lhs, 
+		       Xseventeen<T10, tem_base>& rhs);
+};
+
+//template class Xseventeen<int, tem_base>;
+
+
+// 18
+// more template template redecl tests
+template <typename T14, template <typename T15> class C12>// ERROR - .*
+class Xeighteen {
+protected:
+  C12<T14> value;
+  int C12; // ERROR - .*
+};
+
+
+// 19
+// more template template redecl tests
+template <typename T16, template <typename T17> class C14>// ERROR - .*
+class Xnineteen{
+protected:
+  C14<T16> value;
+  template <class C14> class nested {// ERROR - .*
+    T16 value;
+  public:
+    nested(): value( T16(0)) {}
+  };
+};
+
+
+// 20
+// local names (14.6.1 p 4) part two, variable names as template param
+template <class T17, int i> class Xtwenty {
+  void f(){
+    T17 my_type; //ok
+    for (int j = 0; j < 5; ++l)
+      {
+	T17 my_type; //ok
+	++my_type;
+      }
+  }
+};
+
+
+// 14.1 Template parameters
+// p 4
+// A non-type templat- parameter shall have one of the following
+// (optionally cv-qualified) types:
+//   integral or enumeration type
+//   pointer to object or pointer to function
+//   referenct to object or referece to function
+//   pointer to member
+
+// 21 
+// non-type template parameters v1: enum
+enum my_enum {my_A = 45, my_B, my_C};
+
+template <my_enum T18> class Xtwentyone {// ERROR - .*
+  float T18; // ERROR - .*
+};
+
+
+// 22
+// non-type template parameters v1: pointer to object
+struct base {
+  int	gcount;
+  int ret_gcount() {return gcount;}
+};
+
+template <class T20, base* b> class Xtwentytwo {// ERROR - .*
+  float b; // ERROR - .*
+};
+
+
+// 23
+// non-type template parameters v2: reference to object
+template <class T20, base& b2> class Xtwentythree {// ERROR - .*
+  float b2; // ERROR - .*
+};
+
+
+// 24
+// non-type template parameters v3: pointer to member
+template <class T20, int base::* b3> class Xtwentyfour {// ERROR - .*
+  float b3; // ERROR - .*
+};
+
+
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