1 files changed, 14 insertions, 33 deletions
diff --git a/spec/ruby/core/io/close_read_spec.rb b/spec/ruby/core/io/close_read_spec.rb
index b5aba57795..c505289d72 100644
--- a/spec/ruby/core/io/close_read_spec.rb
+++ b/spec/ruby/core/io/close_read_spec.rb
@@ -1,10 +1,11 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "IO#close_read" do
 
   before :each do
-    @io = IO.popen 'cat', "r+"
+    cmd = platform_is(:windows) ? 'rem' : 'cat'
+    @io = IO.popen cmd, "r+"
     @path = tmp('io.close.txt')
   end
 
@@ -16,36 +17,26 @@ describe "IO#close_read" do
   it "closes the read end of a duplex I/O stream" do
     @io.close_read
 
-    lambda { @io.read }.should raise_error(IOError)
+    -> { @io.read }.should.raise(IOError)
   end
 
-  ruby_version_is ''...'2.3' do
-    it "raises an IOError on subsequent invocations" do
-      @io.close_read
-
-      lambda { @io.close_read }.should raise_error(IOError)
-    end
-  end
-
-  ruby_version_is '2.3' do
-    it "does nothing on subsequent invocations" do
-      @io.close_read
+  it "does nothing on subsequent invocations" do
+    @io.close_read
 
-      @io.close_read.should be_nil
-    end
+    @io.close_read.should == nil
   end
 
   it "allows subsequent invocation of close" do
     @io.close_read
 
-    lambda { @io.close }.should_not raise_error
+    -> { @io.close }.should_not.raise
   end
 
   it "raises an IOError if the stream is writable and not duplexed" do
     io = File.open @path, 'w'
 
     begin
-      lambda { io.close_read }.should raise_error(IOError)
+      -> { io.close_read }.should.raise(IOError)
     ensure
       io.close unless io.closed?
     end
@@ -59,22 +50,12 @@ describe "IO#close_read" do
 
     io.close_read
 
-    io.closed?.should == true
+    io.should.closed?
   end
 
-  ruby_version_is ''...'2.3' do
-    it "raises IOError on closed stream" do
-      @io.close
+  it "does nothing on closed stream" do
+    @io.close
 
-      lambda { @io.close_read }.should raise_error(IOError)
-    end
-  end
-
-  ruby_version_is '2.3' do
-    it "does nothing on closed stream" do
-      @io.close
-
-      @io.close_read.should be_nil
-    end
+    @io.close_read.should == nil
   end
 end