new testcase for paste avoidance

llvm-svn: 38765
2006-07-28 06:54:07 +00:00 · 2006-07-28 06:54:07 +00:00 · 341c9a1615
parent 24fad1a82f
commit 341c9a1615
1 changed files with 12 additions and 0 deletions
--- a/clang/test/Preprocessor/output_paste_avoid.c
+++ b/clang/test/Preprocessor/output_paste_avoid.c
@ -0,0 +1,12 @@
+// RUN: clang -E %s | grep '+ + - - + + = = =' &&
+// RUN: clang -E %s | not grep -F '...'
+
+// This should print as ".. ." to avoid turning into ...
+#define y(a) ..a
+y(.)
+
+#define PLUS +
+#define EMPTY
+#define f(x) =x=
+PLUS -EMPTY- PLUS+ f(=)
+