Formatter: Add test for default arguments.

llvm-svn: 174816
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index a8c327a..8d72df2 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -1687,6 +1687,8 @@
   verifyFormat("void f(SmallVector<int>) {}");
   verifyFormat("void f(SmallVector<int>);");
   verifyFormat("void f(SmallVector<int>) = 0;");
+  verifyFormat("void f(int i = (kValue) * kMask) {}");
+  verifyFormat("void f(int i = (kA * kB) & kMask) {}");
 }
 
 TEST_F(FormatTest, FormatsFunctionTypes) {