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31 lines
1.1 KiB
Ruby
31 lines
1.1 KiB
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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describe "Singleton.instance" do
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it "returns an instance of the singleton class" do
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SingletonSpecs::MyClass.instance.should be_kind_of(SingletonSpecs::MyClass)
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end
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it "returns the same instance for multiple calls to instance" do
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SingletonSpecs::MyClass.instance.should equal(SingletonSpecs::MyClass.instance)
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end
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it "returns an instance of the singleton's subclasses" do
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SingletonSpecs::MyClassChild.instance.should be_kind_of(SingletonSpecs::MyClassChild)
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end
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it "returns the same instance for multiple class to instance on subclasses" do
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SingletonSpecs::MyClassChild.instance.should equal(SingletonSpecs::MyClassChild.instance)
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end
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it "returns an instance of the singleton's clone" do
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klone = SingletonSpecs::MyClassChild.clone
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klone.instance.should be_kind_of(klone)
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end
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it "returns the same instance for multiple class to instance on clones" do
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klone = SingletonSpecs::MyClassChild.clone
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klone.instance.should equal(klone.instance)
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end
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end
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