5 files changed, 70 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index df3fa02f844..b3742503184 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2002-07-24  Neil Booth  <neil@daikokuya.co.uk>
+
+	* gcc.dg/cpp/trad/Wunused.c, gcc.dg/cpp/trad/Wunused.h,
+	gcc.dg/cpp/Wunused.c, gcc.dg/cpp/Wunused.h: New tests.
+
 2002-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* gcc.c-torture/execute/va-arg-15.x, va-arg-16.x, va-arg-17.x:
diff --git a/gcc/testsuite/gcc.dg/cpp/Wunused.c b/gcc/testsuite/gcc.dg/cpp/Wunused.c
new file mode 100644
index 00000000000..f134f55a159
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/Wunused.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+/* { dg-options -Wunused-macros } */
+
+/* Test everything related to -Wunused-macros.
+
+   Source: Neil Booth, 23 Jul 2002.  */
+
+#include "Wunused.h"
+
+#define used1			/* { dg-bogus "used" } */
+#define used2			/* { dg-bogus "used" } */
+#define used3			/* { dg-bogus "used" } */
+#define used4 used4		/* { dg-bogus "used" } */
+
+#define unused5			/* { dg-warning "used" } */
+#define unused6			/* { dg-warning "used" } */
+#define unused7()		/* { dg-warning "used" } */
+
+#if defined used1
+#endif
+#ifdef used2
+#endif
+#ifndef used3
+#endif
+used4
+
+unused7
+#undef unused5
+#define unused6
+unused6
diff --git a/gcc/testsuite/gcc.dg/cpp/Wunused.h b/gcc/testsuite/gcc.dg/cpp/Wunused.h
new file mode 100644
index 00000000000..8b54412bdd4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/Wunused.h
@@ -0,0 +1 @@
+#define unused_but_ok
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/Wunused.c b/gcc/testsuite/gcc.dg/cpp/trad/Wunused.c
new file mode 100644
index 00000000000..fd81a27ecc7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/trad/Wunused.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+/* { dg-options "-Wunused-macros -traditional-cpp" } */
+
+/* Test everything related to -Wunused-macros.
+
+   Source: Neil Booth, 23 Jul 2002.  */
+
+#include "Wunused.h"
+
+#define used1			/* { dg-bogus "used" } */
+#define used2			/* { dg-bogus "used" } */
+#define used3			/* { dg-bogus "used" } */
+#define used4 something		/* { dg-bogus "used" } */
+
+#define unused5			/* { dg-warning "used" } */
+#define unused6			/* { dg-warning "used" } */
+#define unused7()		/* { dg-warning "used" } */
+
+#if defined used1
+#endif
+#ifdef used2
+#endif
+#ifndef used3
+#endif
+used4
+
+#undef unused5
+#define unused6
+unused6
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/Wunused.h b/gcc/testsuite/gcc.dg/cpp/trad/Wunused.h
new file mode 100644
index 00000000000..8b54412bdd4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/trad/Wunused.h
@@ -0,0 +1 @@
+#define unused_but_ok