1 files changed, 36 insertions, 0 deletions
diff --git a/tests/pp/21.c b/tests/pp/21.c
new file mode 100644
index 0000000..1316226
--- /dev/null
+++ b/tests/pp/21.c
@@ -0,0 +1,36 @@
+/* accept 'defined' as result of substitution */
+
+----- 1 ------
+#define AAA 2
+#define BBB
+#define CCC (defined ( AAA ) && AAA > 1 && !defined BBB)
+#if !CCC
+OK
+#else
+NOT OK
+#endif
+
+----- 2 ------
+#undef BBB
+#if CCC
+OK
+#else
+NOT OK
+#endif
+
+----- 3 ------
+#define DEFINED defined
+#define DDD (DEFINED ( AAA ) && AAA > 1 && !DEFINED BBB)
+#if (DDD)
+OK
+#else
+NOT OK
+#endif
+
+----- 4 ------
+#undef AAA
+#if !(DDD)
+OK
+#else
+NOT OK
+#endif