From ec2b103c267a06a66e926f62cd96767b280f5cf5 Mon Sep 17 00:00:00 2001
From: Ed Schouten <ed@FreeBSD.org>
Date: Tue, 2 Jun 2009 17:58:47 +0000
Subject: Import Clang, at r72732.

---
 test/Parser/cxx-template-decl.cpp | 82 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 test/Parser/cxx-template-decl.cpp

(limited to 'test/Parser/cxx-template-decl.cpp')

diff --git a/test/Parser/cxx-template-decl.cpp b/test/Parser/cxx-template-decl.cpp
new file mode 100644
index 0000000000000..ae5d8f9e0cce5
--- /dev/null
+++ b/test/Parser/cxx-template-decl.cpp
@@ -0,0 +1,82 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+// Errors
+export class foo { };   // expected-error {{expected template}}
+template  x;            // expected-error {{C++ requires a type specifier for all declarations}}
+export template x;      // expected-error {{expected '<' after 'template'}} \
+                        // expected-note {{exported templates are unsupported}} \
+// expected-error {{C++ requires a type specifier for all declarations}}
+// See Sema::ParsedFreeStandingDeclSpec about the double diagnostic. This is
+// because ParseNonTypeTemplateParameter starts parsing a DeclSpec.
+template < ;            // expected-error {{parse error}} expected-error {{declaration does not declare anything}}
+template <template X> struct Err1; // expected-error {{expected '<' after 'template'}}
+template <template <typename> > struct Err2;       // expected-error {{expected 'class' before '>'}}
+template <template <typename> Foo> struct Err3;    // expected-error {{expected 'class' before 'Foo'}}
+
+// Template function declarations
+template <typename T> void foo();
+template <typename T, typename U> void foo();
+
+// Template function definitions.
+template <typename T> void foo() { }
+
+// Template class (forward) declarations
+template <typename T> struct A;
+template <typename T, typename U> struct b;
+template <typename> struct C;
+template <typename, typename> struct D;
+
+// Forward declarations with default parameters?
+template <typename T = int> class X1;
+template <typename = int> class X2;
+
+// Forward declarations w/template template parameters
+template <template <typename> class T> class TTP1;
+template <template <typename> class> class TTP2;
+template <template <typename> class T = foo> class TTP3; // FIXME:expected-error{{template argument for template template parameter must be a template}}
+template <template <typename> class = foo> class TTP3; // FIXME:expected-error{{template argument for template template parameter must be a template}}
+template <template <typename X, typename Y> class T> class TTP5;
+
+// Forward declararations with non-type params
+template <int> class NTP0;
+template <int N> class NTP1;
+template <int N = 5> class NTP2;
+template <int = 10> class NTP3;
+template <unsigned int N = 12u> class NTP4; 
+template <unsigned int = 12u> class NTP5;
+template <unsigned = 15u> class NTP6;
+template <typename T, T Obj> class NTP7;
+
+// Template class declarations
+template <typename T> struct A { };
+template <typename T, typename U> struct B { };
+
+// Template parameter shadowing
+template<typename T, // expected-note{{template parameter is declared here}}
+	 typename T> // expected-error{{declaration of 'T' shadows template parameter}}
+  void shadow1();
+
+template<typename T> // expected-note{{template parameter is declared here}}
+void shadow2(int T); // expected-error{{declaration of 'T' shadows template parameter}}
+
+template<typename T> // expected-note{{template parameter is declared here}}
+class T { // expected-error{{declaration of 'T' shadows template parameter}}
+};
+
+template<int Size> // expected-note{{template parameter is declared here}}
+void shadow3(int Size); // expected-error{{declaration of 'Size' shadows template parameter}}
+
+// Non-type template parameters in scope
+template<int Size> 
+void f(int& i) {
+  i = Size;
+  Size = i; // expected-error{{expression is not assignable}}
+}
+
+template<typename T>
+const T& min(const T&, const T&);
+
+void f2() {
+  int x;
+  A< typeof(x>1) > a;
+}
-- 
cgit v1.2.3