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/io/rewind_spec.rb

@@ -0,0 +1,38 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "IO#rewind" do
+  before :each do
+    @io = IOSpecs.io_fixture "lines.txt"
+  end
+
+  after :each do
+    @io.close unless @io.closed?
+  end
+
+  it "positions the instance to the beginning of input" do
+    @io.readline.should == "Voici la ligne une.\n"
+    @io.readline.should == "Qui è la linea due.\n"
+    @io.rewind
+    @io.readline.should == "Voici la ligne une.\n"
+  end
+
+  it "positions the instance to the beginning of input and clears EOF" do
+    value = @io.read
+    @io.rewind
+    @io.eof?.should == false
+    value.should == @io.read
+  end
+
+  it "sets lineno to 0" do
+    @io.readline.should == "Voici la ligne une.\n"
+    @io.lineno.should == 1
+    @io.rewind
+    @io.lineno.should == 0
+  end
+
+  it "raises IOError on closed stream" do
+    lambda { IOSpecs.closed_io.rewind }.should raise_error(IOError)
+  end
+end