* gcc.dg/cpp/19960224-2.c, 20000625-2.c, cxxcom2.c, directiv.c,

	endif.c, if-4.c, if-5.c, if-mop.c, macsyntx.c, paste2.c, paste6.c,
	paste8.c, redef2.c, strify2.c, strp1.c, tr-warn1.c, tr-warn3.c,
	tr-warn6.c, undef1.c, undef2.c, widestr1.c: Update tests for
	new diagnostic messages.

	* gcc.dg/cpp/macro3.c: New tests.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37099 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 47 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/cpp/macro3.c b/gcc/testsuite/gcc.dg/cpp/macro3.c
new file mode 100644
index 00000000000..b7adaea6c68
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/macro3.c
@@ -0,0 +1,47 @@
+/* { dg-do run } */
+/* { dg-options "-std=c99" } */
+
+/* First two tests sourced from a bug report of Thomas Pornin.
+   Varargs test source Jamie Lokier.
+   All adapted for the testsuite by Neil Booth, Oct 2000.  */
+
+int c(int x)
+{
+  return x;
+}
+
+int a(int x)
+{
+  return x;
+}
+
+/* Tests various macro abuse is correctly expanded.  */
+#define c(x) d
+#define d(x) c(2)
+
+/* Every GCC <= 2.96 appears to fail this.  */
+#define a(x) b(
+#define b(x) a(
+
+#define apply(...)   apply2 (__VA_ARGS__)  
+#define half(x)      ((x) / 2)
+#define apply2(f,x)  f (x)
+
+extern void abort (void);
+extern void exit (int);
+
+int main()
+{
+  /* Expands to c(2).  */
+  if (c(c)(c) != 2)
+    abort ();
+
+  /* Expands to a(2).  */
+  if (a(a)x)2) != 2)
+    abort ();
+
+  if (apply (half, 200) != 100)
+    abort ();
+
+  exit (0);
+}