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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Module#<" do
it "returns true if self is a subclass of or includes the given module" do
(ModuleSpecs::Child < ModuleSpecs::Parent).should == true
(ModuleSpecs::Child < ModuleSpecs::Basic).should == true
(ModuleSpecs::Child < ModuleSpecs::Super).should == true
(ModuleSpecs::Super < ModuleSpecs::Basic).should == true
end
it "returns false if self is a superclass of or included by the given module" do
(ModuleSpecs::Parent < ModuleSpecs::Child).should be_false
(ModuleSpecs::Basic < ModuleSpecs::Child).should be_false
(ModuleSpecs::Super < ModuleSpecs::Child).should be_false
(ModuleSpecs::Basic < ModuleSpecs::Super).should be_false
end
it "returns false if self is the same as the given module" do
(ModuleSpecs::Child < ModuleSpecs::Child).should == false
(ModuleSpecs::Parent < ModuleSpecs::Parent).should == false
(ModuleSpecs::Basic < ModuleSpecs::Basic).should == false
(ModuleSpecs::Super < ModuleSpecs::Super).should == false
end
it "returns nil if self is not related to the given module" do
(ModuleSpecs::Parent < ModuleSpecs::Basic).should == nil
(ModuleSpecs::Parent < ModuleSpecs::Super).should == nil
(ModuleSpecs::Basic < ModuleSpecs::Parent).should == nil
(ModuleSpecs::Super < ModuleSpecs::Parent).should == nil
end
it "raises a TypeError if the argument is not a class/module" do
lambda { ModuleSpecs::Parent < mock('x') }.should raise_error(TypeError)
end
end
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