format: Handle #import as include directive too.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170914 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index a08f7c6..b33206b 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -617,6 +617,12 @@
   EXPECT_EQ("#include \"a/b/string\"\n", format("#include \"a/b/string\"\n"));
   EXPECT_EQ("#include \"string.h\"\n", format("#include \"string.h\"\n"));
   EXPECT_EQ("#include \"string.h\"\n", format("#include \"string.h\"\n"));
+
+  EXPECT_EQ("#import <string>\n", format("#import <string>\n"));
+  EXPECT_EQ("#import <a/b/c.h>\n", format("#import <a/b/c.h>\n"));
+  EXPECT_EQ("#import \"a/b/string\"\n", format("#import \"a/b/string\"\n"));
+  EXPECT_EQ("#import \"string.h\"\n", format("#import \"string.h\"\n"));
+  EXPECT_EQ("#import \"string.h\"\n", format("#import \"string.h\"\n"));
 }