Deducation and instantiation of block types.

llvm-svn: 73232

1 files changed, 34 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/temp_class_spec_blocks.cpp b/clang/test/SemaTemplate/temp_class_spec_blocks.cpp
new file mode 100644
index 00000000000..920d9c8b0cb
--- /dev/null
+++ b/clang/test/SemaTemplate/temp_class_spec_blocks.cpp
@@ -0,0 +1,34 @@
+// RUN: clang-cc -fsyntax-only -verify %s -fblocks
+template<typename T>
+struct is_unary_block {
+  static const bool value = false;
+};
+
+template<typename T, typename U>
+struct is_unary_block<T (^)(U)> {
+  static const bool value = true;
+};
+
+int is_unary_block0[is_unary_block<int>::value ? -1 : 1];
+int is_unary_block1[is_unary_block<int (^)()>::value ? -1 : 1];
+int is_unary_block2[is_unary_block<int (^)(int, bool)>::value ? -1 : 1];
+int is_unary_block3[is_unary_block<int (^)(bool)>::value ? 1 : -1];
+int is_unary_block4[is_unary_block<int (^)(int)>::value ? 1 : -1];
+
+template<typename T>
+struct is_unary_block_with_same_return_type_as_argument_type {
+  static const bool value = false;
+};
+
+template<typename T>
+struct is_unary_block_with_same_return_type_as_argument_type<T (^)(T)> {
+  static const bool value = true;
+};
+
+int is_unary_block5[is_unary_block_with_same_return_type_as_argument_type<int>::value ? -1 : 1];
+int is_unary_block6[is_unary_block_with_same_return_type_as_argument_type<int (^)()>::value ? -1 : 1];
+int is_unary_block7[is_unary_block_with_same_return_type_as_argument_type<int (^)(int, bool)>::value ? -1 : 1];
+int is_unary_block8[is_unary_block_with_same_return_type_as_argument_type<int (^)(bool)>::value ? -1 : 1];
+int is_unary_block9[is_unary_block_with_same_return_type_as_argument_type<int (^)(int)>::value ? 1 : -1];
+int is_unary_block10[is_unary_block_with_same_return_type_as_argument_type<int (^)(int, ...)>::value ? -1 : 1];
+int is_unary_block11[is_unary_block_with_same_return_type_as_argument_type<int (^ const)(int)>::value ? -1 : 1];