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37 lines
1.6 KiB
Ruby
37 lines
1.6 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 "Module#<" do
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it "returns true if self is a subclass of or includes the given module" do
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(ModuleSpecs::Child < ModuleSpecs::Parent).should == true
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(ModuleSpecs::Child < ModuleSpecs::Basic).should == true
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(ModuleSpecs::Child < ModuleSpecs::Super).should == true
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(ModuleSpecs::Super < ModuleSpecs::Basic).should == true
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end
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it "returns false if self is a superclass of or included by the given module" do
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(ModuleSpecs::Parent < ModuleSpecs::Child).should be_false
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(ModuleSpecs::Basic < ModuleSpecs::Child).should be_false
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(ModuleSpecs::Super < ModuleSpecs::Child).should be_false
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(ModuleSpecs::Basic < ModuleSpecs::Super).should be_false
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end
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it "returns false if self is the same as the given module" do
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(ModuleSpecs::Child < ModuleSpecs::Child).should == false
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(ModuleSpecs::Parent < ModuleSpecs::Parent).should == false
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(ModuleSpecs::Basic < ModuleSpecs::Basic).should == false
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(ModuleSpecs::Super < ModuleSpecs::Super).should == false
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end
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it "returns nil if self is not related to the given module" do
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(ModuleSpecs::Parent < ModuleSpecs::Basic).should == nil
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(ModuleSpecs::Parent < ModuleSpecs::Super).should == nil
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(ModuleSpecs::Basic < ModuleSpecs::Parent).should == nil
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(ModuleSpecs::Super < ModuleSpecs::Parent).should == nil
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end
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it "raises a TypeError if the argument is not a class/module" do
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lambda { ModuleSpecs::Parent < mock('x') }.should raise_error(TypeError)
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end
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end
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