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/dir/mkdir_spec.rb

@@ -0,0 +1,85 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/common', __FILE__)
+
+describe "Dir.mkdir" do
+  before :all do
+    DirSpecs.create_mock_dirs
+  end
+
+  after :all do
+    DirSpecs.delete_mock_dirs
+  end
+
+  it "creates the named directory with the given permissions" do
+    DirSpecs.clear_dirs
+
+    begin
+      File.exist?('nonexisting').should == false
+      Dir.mkdir 'nonexisting'
+      File.exist?('nonexisting').should == true
+      platform_is_not :windows do
+        Dir.mkdir 'default_perms'
+        a = File.stat('default_perms').mode
+        Dir.mkdir 'reduced', (a - 1)
+        File.stat('reduced').mode.should_not == a
+      end
+      platform_is :windows do
+        Dir.mkdir 'default_perms', 0666
+        a = File.stat('default_perms').mode
+        Dir.mkdir 'reduced', 0444
+        File.stat('reduced').mode.should_not == a
+      end
+
+      Dir.mkdir('always_returns_0').should == 0
+      platform_is_not(:windows) do
+        File.chmod(0777, "nonexisting","default_perms","reduced","always_returns_0")
+      end
+      platform_is_not(:windows) do
+        File.chmod(0644, "nonexisting","default_perms","reduced","always_returns_0")
+      end
+    ensure
+      DirSpecs.clear_dirs
+    end
+  end
+
+  it "calls #to_path on non-String arguments" do
+    DirSpecs.clear_dirs
+    p = mock('path')
+    p.should_receive(:to_path).and_return('nonexisting')
+    Dir.mkdir(p)
+    DirSpecs.clear_dirs
+  end
+
+  it "raises a SystemCallError if any of the directories in the path before the last does not exist" do
+    lambda { Dir.mkdir "#{DirSpecs.nonexistent}/subdir" }.should raise_error(SystemCallError)
+  end
+
+  it "raises Errno::EEXIST if the specified directory already exists" do
+    lambda { Dir.mkdir("#{DirSpecs.mock_dir}/dir") }.should raise_error(Errno::EEXIST)
+  end
+
+  it "raises Errno::EEXIST if the argument points to the existing file" do
+    lambda { Dir.mkdir("#{DirSpecs.mock_dir}/file_one.ext") }.should raise_error(Errno::EEXIST)
+  end
+end
+
+# The permissions flag are not supported on Windows as stated in documentation:
+# The permissions may be modified by the value of File.umask, and are ignored on NT.
+platform_is_not :windows do
+  describe "Dir.mkdir" do
+    before :each do
+      @dir = tmp "noperms"
+    end
+
+    after :each do
+      File.chmod 0777, @dir
+      rm_r @dir
+    end
+
+    it "raises a SystemCallError when lacking adequate permissions in the parent dir" do
+      Dir.mkdir @dir, 0000
+
+      lambda { Dir.mkdir "#{@dir}/subdir" }.should raise_error(SystemCallError)
+    end
+  end
+end