Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/argf/close_spec.rb

@@ -0,0 +1,46 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "ARGF.close" do
+  before :each do
+    @file1_name = fixture __FILE__, "file1.txt"
+    @file2_name = fixture __FILE__, "file2.txt"
+  end
+
+  it "closes the current open stream" do
+    argf [@file1_name, @file2_name] do
+      io = @argf.to_io
+      @argf.close
+      io.closed?.should be_true
+    end
+  end
+
+  it "returns self" do
+    argf [@file1_name, @file2_name] do
+      @argf.close.should equal(@argf)
+    end
+  end
+
+  ruby_version_is ""..."2.3" do
+    it "raises an IOError if called on a closed stream" do
+      argf [@file1_name] do
+        lambda { @argf.close }.should_not raise_error
+        lambda { @argf.close }.should raise_error(IOError)
+      end
+    end
+  end
+
+  ruby_version_is "2.3" do
+    it "doesn't raise an IOError if called on a closed stream" do
+      argf [@file1_name] do
+        lambda { @argf.close }.should_not raise_error
+        lambda { @argf.close }.should_not raise_error
+      end
+    end
+  end
+end
+
+describe "ARGF.close" do
+  it "does not close STDIN" do
+    ruby_exe("ARGV.replace(['-']); ARGF.close; print ARGF.closed?").should == "false"
+  end
+end