diff --git a/Testing/nsset.m b/Testing/nsset.m
new file mode 100644
index 000000000..75757e72e
--- /dev/null
+++ b/Testing/nsset.m
@@ -0,0 +1,28 @@
+#include <Foundation/NSSet.h>
+#include <Foundation/NSArray.h>
+#include <Foundation/NSString.h>
+
+int
+main ()
+{
+  id a, s1, s2;
+  id enumerator;
+
+  a = [NSArray arrayWithObjects:
+	       @"vache", @"poisson", @"cheval", @"poulet", nil];
+
+  s1 = [NSSet setWithArray:a];
+
+  assert ([s1 member:@"vache"]);
+  assert ([s1 containsObject:@"cheval"]);
+  assert ([s1 count] == 4);
+
+  enumerator = [s1 objectEnumerator];
+  while ([[enumerator nextObject] description]);
+
+  s2 = [s1 mutableCopy];
+  assert ([s1 isEqual:s2]);
+
+  printf("Test passed\n");
+  exit (0);
+}