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Add in-tree mspec and ruby/spec

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* 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
This commit is contained in:
eregon 2017-05-07 12:04:49 +00:00
parent ed7d803500
commit 95e8c48dd3
4645 changed files with 230678 additions and 4 deletions
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30
spec/rubyspec/library/singleton/instance_spec.rb Normal file
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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Singleton.instance" do
it "returns an instance of the singleton class" do
SingletonSpecs::MyClass.instance.should be_kind_of(SingletonSpecs::MyClass)
end
it "returns the same instance for multiple calls to instance" do
SingletonSpecs::MyClass.instance.should equal(SingletonSpecs::MyClass.instance)
end
it "returns an instance of the singleton's subclasses" do
SingletonSpecs::MyClassChild.instance.should be_kind_of(SingletonSpecs::MyClassChild)
end
it "returns the same instance for multiple class to instance on subclasses" do
SingletonSpecs::MyClassChild.instance.should equal(SingletonSpecs::MyClassChild.instance)
end
it "returns an instance of the singleton's clone" do
klone = SingletonSpecs::MyClassChild.clone
klone.instance.should be_kind_of(klone)
end
it "returns the same instance for multiple class to instance on clones" do
klone = SingletonSpecs::MyClassChild.clone
klone.instance.should equal(klone.instance)
end
end