Add -rewrite-macros test case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57094 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Driver/rewrite-macros.c b/test/Driver/rewrite-macros.c
new file mode 100644 (file)
index 0000000..deb54f4
--- /dev/null
+++ b/test/Driver/rewrite-macros.c
@@ -0,0 +1,18 @@
+// RUN: clang -verify --rewrite-macros -o %t %s &&
+
+#define A(a,b) a ## b
+
+// RUN: grep '12 */\*A\*/ /\*(1,2)\*/' %t &&
+A(1,2)
+
+// RUN: grep '/\*_Pragma("mark")\*/' %t &&
+_Pragma("mark")
+
+// RUN: grep "//#warning eek" %t &&
+/* expected-warning {{#warning eek}} */ #warning eek
+
+// RUN: grep "//#pragma mark mark" %t &&
+#pragma mark mark
+
+// RUN: true
+