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ruby--ruby/spec/ruby/core/module/comparison_spec.rb
eregon 75334db3c6 Update to ruby/spec@6cf8ebe
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67030 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-02-07 16:35:33 +00:00

36 lines
1.5 KiB
Ruby

require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Module#<=>" do
it "returns -1 if self is a subclass of or includes the given module" do
(ModuleSpecs::Child <=> ModuleSpecs::Parent).should == -1
(ModuleSpecs::Child <=> ModuleSpecs::Basic).should == -1
(ModuleSpecs::Child <=> ModuleSpecs::Super).should == -1
(ModuleSpecs::Super <=> ModuleSpecs::Basic).should == -1
end
it "returns 0 if self is the same as the given module" do
(ModuleSpecs::Child <=> ModuleSpecs::Child).should == 0
(ModuleSpecs::Parent <=> ModuleSpecs::Parent).should == 0
(ModuleSpecs::Basic <=> ModuleSpecs::Basic).should == 0
(ModuleSpecs::Super <=> ModuleSpecs::Super).should == 0
end
it "returns +1 if self is a superclass of or included by the given module" do
(ModuleSpecs::Parent <=> ModuleSpecs::Child).should == +1
(ModuleSpecs::Basic <=> ModuleSpecs::Child).should == +1
(ModuleSpecs::Super <=> ModuleSpecs::Child).should == +1
(ModuleSpecs::Basic <=> ModuleSpecs::Super).should == +1
end
it "returns nil if self and the given module are not related" 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 "returns nil if the argument is not a class/module" do
(ModuleSpecs::Parent <=> mock('x')).should == nil
end
end