Adding tests since when I was asked whether this works I wasn't
100% sure.

llvm-svn: 169725
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index 8beff0f..4fad544 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -80,6 +80,13 @@
   EXPECT_TRUE(matches("int aFOObBARc;", Abc));
   EXPECT_TRUE(notMatches("int cab;", Abc));
   EXPECT_TRUE(matches("int cabc;", Abc));
+
+  DeclarationMatcher StartsWithK = namedDecl(matchesName(":k[^:]*$"));
+  EXPECT_TRUE(matches("int k;", StartsWithK));
+  EXPECT_TRUE(matches("int kAbc;", StartsWithK));
+  EXPECT_TRUE(matches("namespace x { int kTest; }", StartsWithK));
+  EXPECT_TRUE(matches("class C { int k; };", StartsWithK));
+  EXPECT_TRUE(notMatches("class C { int ckc; };", StartsWithK));
 }
 
 TEST(DeclarationMatcher, MatchClass) {