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ruby--ruby/spec/ruby/library/set/superset_spec.rb
eregon 1d15d5f080 Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-09-20 20:18:52 +00:00

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1.2 KiB
Ruby

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