1 files changed, 11 insertions, 7 deletions
diff --git a/spec/ruby/core/range/first_spec.rb b/spec/ruby/core/range/first_spec.rb
index 7cd3781d34..54bd73a4e8 100644
--- a/spec/ruby/core/range/first_spec.rb
+++ b/spec/ruby/core/range/first_spec.rb
@@ -1,8 +1,8 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../shared/begin', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'shared/begin'
 
 describe "Range#first" do
-  it_behaves_like(:range_begin, :first)
+  it_behaves_like :range_begin, :first
 
   it "returns the specified number of elements from the beginning" do
     (0..2).first(2).should == [0, 1]
@@ -21,7 +21,7 @@ describe "Range#first" do
   end
 
   it "raises an ArgumentError when count is negative" do
-    lambda { (0..2).first(-1) }.should raise_error(ArgumentError)
+    -> { (0..2).first(-1) }.should.raise(ArgumentError)
   end
 
   it "calls #to_int to convert the argument" do
@@ -32,7 +32,7 @@ describe "Range#first" do
   it "raises a TypeError if #to_int does not return an Integer" do
     obj = mock("to_int")
     obj.should_receive(:to_int).and_return("1")
-    lambda { (2..3).first(obj) }.should raise_error(TypeError)
+    -> { (2..3).first(obj) }.should.raise(TypeError)
   end
 
   it "truncates the value when passed a Float" do
@@ -40,10 +40,14 @@ describe "Range#first" do
   end
 
   it "raises a TypeError when passed nil" do
-    lambda { (2..3).first(nil) }.should raise_error(TypeError)
+    -> { (2..3).first(nil) }.should.raise(TypeError)
   end
 
   it "raises a TypeError when passed a String" do
-    lambda { (2..3).first("1") }.should raise_error(TypeError)
+    -> { (2..3).first("1") }.should.raise(TypeError)
+  end
+
+  it "raises a RangeError when called on an beginless range" do
+    -> { (..1).first }.should.raise(RangeError)
   end
 end