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Contents
require File.expand_path('../../../../spec_helper', __FILE__)
require 'set'
describe "SortedSet#subset?" do
before(:each) do
@set = SortedSet[1, 2, 3, 4]
end
it "returns true if passed a SortedSet that is equal to self or self is a subset of" do
@set.subset?(@set).should be_true
SortedSet[].subset?(SortedSet[]).should be_true
SortedSet[].subset?(@set).should be_true
SortedSet[].subset?(SortedSet[1, 2, 3]).should be_true
SortedSet[].subset?(SortedSet["a", "b", "c"]).should be_true
SortedSet[1, 2, 3].subset?(@set).should be_true
SortedSet[1, 3].subset?(@set).should be_true
SortedSet[1, 2].subset?(@set).should be_true
SortedSet[1].subset?(@set).should be_true
SortedSet[5].subset?(@set).should be_false
SortedSet[1, 5].subset?(@set).should be_false
SortedSet["test"].subset?(@set).should be_false
end
it "raises an ArgumentError when passed a non-SortedSet" do
lambda { SortedSet[].subset?([]) }.should raise_error(ArgumentError)
lambda { SortedSet[].subset?(1) }.should raise_error(ArgumentError)
lambda { SortedSet[].subset?("test") }.should raise_error(ArgumentError)
lambda { SortedSet[].subset?(Object.new) }.should raise_error(ArgumentError)
end
end
Version data entries
52 entries across 52 versions & 2 rubygems