1 files changed, 27 insertions, 0 deletions
diff --git a/test/t/nil.rb b/test/t/nil.rb
new file mode 100644
index 000000000..9a4855a62
--- /dev/null
+++ b/test/t/nil.rb
@@ -0,0 +1,27 @@
+##
+# NilClass ISO Test
+
+assert('NilClass', '15.2.4') do
+  NilClass.class == Class
+end
+
+assert('NilClass#&', '15.2.4.3.1') do
+  not NilClass.new.& and not NilClass.new.&(nil)
+end
+
+assert('NilClass#^', '15.2.4.3.2') do
+  NilClass.new.^(true) and not NilClass.new.^(false)
+end
+
+assert('NilClass#|', '15.2.4.3.3') do
+  NilClass.new.|(true) and not NilClass.new.|(false)
+end
+
+assert('NilClass#nil?', '15.2.4.3.4') do
+  NilClass.new.nil?
+end
+
+assert('NilClass#to_s', '15.2.4.3.5') do
+  NilClass.new.to_s == ''
+end
+