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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
34 lines
1.2 KiB
Ruby
34 lines
1.2 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require 'set'
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describe "Set#superset?" do
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before :each do
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@set = Set[1, 2, 3, 4]
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end
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it "returns true if passed a Set that equals self or self is a proper superset of" do
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@set.superset?(@set).should be_true
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Set[].superset?(Set[]).should be_true
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@set.superset?(Set[]).should be_true
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Set[1, 2, 3].superset?(Set[]).should be_true
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Set["a", :b, ?c].superset?(Set[]).should be_true
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@set.superset?(Set[1, 2, 3]).should be_true
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@set.superset?(Set[1, 3]).should be_true
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@set.superset?(Set[1, 2]).should be_true
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@set.superset?(Set[1]).should be_true
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@set.superset?(Set[5]).should be_false
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@set.superset?(Set[1, 5]).should be_false
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@set.superset?(Set[nil]).should be_false
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@set.superset?(Set["test"]).should be_false
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end
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it "raises an ArgumentError when passed a non-Set" do
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lambda { Set[].superset?([]) }.should raise_error(ArgumentError)
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lambda { Set[].superset?(1) }.should raise_error(ArgumentError)
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lambda { Set[].superset?("test") }.should raise_error(ArgumentError)
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lambda { Set[].superset?(Object.new) }.should raise_error(ArgumentError)
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end
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end
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