Add voidType() matcher.

Summary: Add voidType() matcher.

Reviewers: klimek

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D6656

llvm-svn: 224250
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index 1304d64..d2e9ee1 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -3857,6 +3857,11 @@
   EXPECT_TRUE(matches("struct S {};", qualType().bind("loc")));
 }
 
+TEST(TypeMatching, MatchesVoid) {
+  EXPECT_TRUE(
+      matches("struct S { void func(); };", methodDecl(returns(voidType()))));
+}
+
 TEST(TypeMatching, MatchesArrayTypes) {
   EXPECT_TRUE(matches("int a[] = {2,3};", arrayType()));
   EXPECT_TRUE(matches("int a[42];", arrayType()));