test more cpp behavior

1 files changed, 18 insertions, 0 deletions

diff --git a/test/pp.c b/test/pp.c
index 51cf70f..85b4cba 100644
--- a/test/pp.c
+++ b/test/pp.c
@@ -3,6 +3,8 @@
 #include "pp.h"
 #include <stddef.h>
 #include <stdio.h>
+#include <assert.h>
+#include <limits.h>
 //
 #define CATl(a) a##bar
 #define CATr(a) foo##a
@@ -15,6 +17,12 @@
 #define join(c, d) in_between(c hash_hash d)
 char p[] = join(x, y); // equivalent to   char p[] = "x ## y";
 
+#define PUTS p\
+u\
+t\
+s
+
+
 int
 main(void)
 {
@@ -30,5 +38,15 @@ main(void)
    printf("%s "
          "%s %g\n", str(Foo,5), xstr(Foo), CAT(1.5,e3f) + CAT(7,)-CAT(,1));
    printf("join: \"%s\"\n", p);
+
+   PUT\
+S\
+("Output ends here\\
+0Not printed" /* After line splicing, the remaining backslash
+               * escapes the 0, ending the string early.
+               */
+);
+
+
    CAT(ret,urn) 0;
 }