1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerable/first_spec.rb b/spec/ruby/core/enumerable/first_spec.rb
new file mode 100644
index 0000000000..592dff1ebc
--- /dev/null
+++ b/spec/ruby/core/enumerable/first_spec.rb
@@ -0,0 +1,28 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/take'
+
+describe "Enumerable#first" do
+  it "returns the first element" do
+    EnumerableSpecs::Numerous.new.first.should == 2
+    EnumerableSpecs::Empty.new.first.should == nil
+  end
+
+  it "returns nil if self is empty" do
+    EnumerableSpecs::Empty.new.first.should == nil
+  end
+
+  it 'returns a gathered array from yield parameters' do
+    EnumerableSpecs::YieldsMulti.new.to_enum.first.should == [1, 2]
+    EnumerableSpecs::YieldsMixed2.new.to_enum.first.should == nil
+  end
+
+  it "raises a RangeError when passed a Bignum" do
+    enum = EnumerableSpecs::Empty.new
+    -> { enum.first(bignum_value) }.should.raise(RangeError)
+  end
+
+  describe "when passed an argument" do
+    it_behaves_like :enumerable_take, :first
+  end
+end