Add in-tree mspec and ruby/spec

* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 216 insertions, 0 deletions

diff --git a/spec/rubyspec/library/find/find_spec.rb b/spec/rubyspec/library/find/find_spec.rb
new file mode 100644
index 0000000000..14c9e2926e
--- /dev/null
+++ b/spec/rubyspec/library/find/find_spec.rb
@@ -0,0 +1,30 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/common', __FILE__)
+require 'find'
+
+describe "Find.find" do
+  before :each do
+    FindDirSpecs.create_mock_dirs
+  end
+
+  after :each do
+    FindDirSpecs.delete_mock_dirs
+  end
+
+  describe "when called without a block" do
+    it "returns an Enumerator" do
+      Find.find(FindDirSpecs.mock_dir).should be_an_instance_of(Enumerator)
+      Find.find(FindDirSpecs.mock_dir).to_a.sort.should == FindDirSpecs.expected_paths
+    end
+  end
+
+  it "should recursively yield every file in the directory" do
+    a = []
+
+    Find.find(FindDirSpecs.mock_dir) do |file|
+      a << file
+    end
+
+    a.sort.should == FindDirSpecs.expected_paths
+  end
+end
diff --git a/spec/rubyspec/library/find/fixtures/common.rb b/spec/rubyspec/library/find/fixtures/common.rb
new file mode 100644
index 0000000000..14a7edb09a
--- /dev/null
+++ b/spec/rubyspec/library/find/fixtures/common.rb
@@ -0,0 +1,174 @@
+module FindDirSpecs
+  def self.mock_dir(dirs = ['find_specs_mock'])
+    @mock_dir ||= tmp("")
+    File.join @mock_dir, dirs
+  end
+
+  # The names of the fixture directories and files used by
+  # various Find specs.
+  def self.mock_dir_files
+    unless @mock_dir_files
+      @mock_dir_files = %w[
+        .dotfile
+        .dotsubdir/.dotfile
+        .dotsubdir/nondotfile
+
+        deeply/.dotfile
+        deeply/nested/.dotfile.ext
+        deeply/nested/directory/structure/.ext
+        deeply/nested/directory/structure/bar
+        deeply/nested/directory/structure/baz
+        deeply/nested/directory/structure/file_one
+        deeply/nested/directory/structure/file_one.ext
+        deeply/nested/directory/structure/foo
+        deeply/nondotfile
+
+        file_one.ext
+        file_two.ext
+
+        dir_filename_ordering
+        dir/filename_ordering
+
+        nondotfile
+
+        subdir_one/.dotfile
+        subdir_one/nondotfile
+        subdir_two/nondotfile
+        subdir_two/nondotfile.ext
+
+        brace/a
+        brace/a.js
+        brace/a.erb
+        brace/a.js.rjs
+        brace/a.html.erb
+
+        special/+
+
+        special/^
+        special/$
+
+        special/(
+        special/)
+        special/[
+        special/]
+        special/{
+        special/}
+
+        special/test{1}/file[1]
+      ]
+
+      platform_is_not :windows do
+        @mock_dir_files += %w[
+          special/*
+          special/?
+
+          special/|
+        ]
+      end
+    end
+
+    @mock_dir_files
+  end
+
+  def self.create_mock_dirs
+    umask = File.umask 0
+    mock_dir_files.each do |name|
+      file = File.join mock_dir, name
+      mkdir_p File.dirname(file)
+      touch file
+    end
+    File.umask umask
+  end
+
+  def self.delete_mock_dirs
+    rm_r mock_dir
+  end
+
+  def self.expected_paths
+    unless @expected_paths
+      @expected_paths = %w[
+        .dotfile
+
+        .dotsubdir
+        .dotsubdir/.dotfile
+        .dotsubdir/nondotfile
+
+        deeply
+        deeply/.dotfile
+
+        deeply/nested
+        deeply/nested/.dotfile.ext
+
+        deeply/nested/directory
+
+        deeply/nested/directory/structure
+        deeply/nested/directory/structure/.ext
+        deeply/nested/directory/structure/bar
+        deeply/nested/directory/structure/baz
+        deeply/nested/directory/structure/file_one
+        deeply/nested/directory/structure/file_one.ext
+        deeply/nested/directory/structure/foo
+        deeply/nondotfile
+
+        file_one.ext
+        file_two.ext
+
+        dir_filename_ordering
+
+        dir
+        dir/filename_ordering
+
+        nondotfile
+
+        subdir_one
+        subdir_one/.dotfile
+        subdir_one/nondotfile
+
+        subdir_two
+        subdir_two/nondotfile
+        subdir_two/nondotfile.ext
+
+        brace
+        brace/a
+        brace/a.js
+        brace/a.erb
+        brace/a.js.rjs
+        brace/a.html.erb
+
+        special
+        special/+
+
+        special/^
+        special/$
+
+        special/(
+        special/)
+        special/[
+        special/]
+        special/{
+        special/}
+
+        special/test{1}
+        special/test{1}/file[1]
+      ]
+
+      platform_is_not :windows do
+        @expected_paths += %w[
+          special/*
+          special/?
+
+          special/|
+        ]
+      end
+
+      @expected_paths.map! do |file|
+        File.join(mock_dir, file)
+      end
+
+      @expected_paths << mock_dir
+      @expected_paths.sort!
+    end
+
+    @expected_paths
+  end
+end
diff --git a/spec/rubyspec/library/find/prune_spec.rb b/spec/rubyspec/library/find/prune_spec.rb
new file mode 100644
index 0000000000..1aef7d3d23
--- /dev/null
+++ b/spec/rubyspec/library/find/prune_spec.rb
@@ -0,0 +1,12 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'find'
+
+describe "Find.prune" do
+  it "should throw :prune" do
+    msg = catch(:prune) do
+      Find.prune
+    end
+
+    msg.should == nil
+  end
+end