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Contents
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
Version data entries
52 entries across 52 versions & 2 rubygems