new testcase

llvm-svn: 38798

1 files changed, 26 insertions, 0 deletions

diff --git a/clang/test/Preprocessor/stringize_misc.c b/clang/test/Preprocessor/stringize_misc.c
new file mode 100644
index 00000000000..b8e4480ef83
--- /dev/null
+++ b/clang/test/Preprocessor/stringize_misc.c
@@ -0,0 +1,26 @@
+// RUN: clang -E %s | grep -F '"f(1, 2)" "g((x=y++, y))"' &&
+// RUN: clang -E %s | grep -F '"{a=1" "b=2;}"' &&
+// RUN: clang -E %s | grep -F '"<" "["' &&
+// RUN: clang -E %s | grep -F '"(,)" "(...)"' &&
+// RUN: clang -E %s | grep -F '{a=1 c=3; b=2;}' &&
+// RUN: clang -E %s | grep -F '"a COMMA b" "(a, b)"'
+
+#define M(x, y) #x #y
+
+M( f(1, 2), g((x=y++, y))) 
+M( {a=1 , b=2;} ) /* A semicolon is not a comma */ 
+M( <, [ ) /* Passes the arguments < and [ */ 
+M( (,), (...) ) /* Passes the arguments (,) and (...) */ 
+
+#define START_END(start, end) start c=3; end 
+
+START_END( {a=1 , b=2;} ) /* braces are not parentheses */ 
+
+/* 
+ * To pass a comma token as an argument it is 
+ * necessary to write: 
+ */ 
+#define COMMA , 
+ 
+M(a COMMA b, (a, b)) 
+