1 files changed, 23 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerable/chain_spec.rb b/spec/ruby/core/enumerable/chain_spec.rb
new file mode 100644
index 0000000000..a0597e46a1
--- /dev/null
+++ b/spec/ruby/core/enumerable/chain_spec.rb
@@ -0,0 +1,23 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Enumerable#chain" do
+  before :each do
+    ScratchPad.record []
+  end
+
+  it "returns a chain of self and provided enumerables" do
+    one = EnumerableSpecs::Numerous.new(1)
+    two = EnumerableSpecs::Numerous.new(2, 3)
+    three = EnumerableSpecs::Numerous.new(4, 5, 6)
+
+    chain = one.chain(two, three)
+
+    chain.each { |item| ScratchPad << item }
+    ScratchPad.recorded.should == [1, 2, 3, 4, 5, 6]
+  end
+
+  it "returns an Enumerator::Chain if given a block" do
+    EnumerableSpecs::Numerous.new.chain.should.instance_of?(Enumerator::Chain)
+  end
+end