From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 clang/test/SemaTemplate/metafun-apply.cpp | 40 +++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 clang/test/SemaTemplate/metafun-apply.cpp

(limited to 'clang/test/SemaTemplate/metafun-apply.cpp')

diff --git a/clang/test/SemaTemplate/metafun-apply.cpp b/clang/test/SemaTemplate/metafun-apply.cpp
new file mode 100644
index 0000000..3a7408e
--- /dev/null
+++ b/clang/test/SemaTemplate/metafun-apply.cpp
@@ -0,0 +1,40 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+struct add_pointer {
+  template<typename T>
+  struct apply {
+    typedef T* type;
+  };
+};
+
+struct add_reference {
+  template<typename T>
+  struct apply {
+    typedef T& type; // expected-error{{cannot form a reference to 'void'}}
+  };
+};
+
+struct bogus {
+  struct apply {
+    typedef int type;
+  };
+};
+
+template<typename MetaFun, typename T>
+struct apply1 {
+  typedef typename MetaFun::template apply<T>::type type; // expected-note{{in instantiation of template class 'add_reference::apply<void>' requested here}} \
+  // expected-error{{'apply' following the 'template' keyword does not refer to a template}}
+};
+
+int i;
+apply1<add_pointer, int>::type ip = &i;
+apply1<add_reference, int>::type ir = i;
+apply1<add_reference, float>::type fr = i; // expected-error{{non-const lvalue reference to type 'float' cannot bind to a value of unrelated type 'int'}}
+
+void test() {
+  apply1<add_reference, void>::type t; // expected-note{{in instantiation of template class 'apply1<add_reference, void>' requested here}}
+
+  apply1<bogus, int>::type t2; // expected-note{{in instantiation of template class 'apply1<bogus, int>' requested here}}
+}
+
+
-- 
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