2018-03-04 10:09:32 -05:00
|
|
|
require_relative '../../spec_helper'
|
2019-01-20 15:38:57 -05:00
|
|
|
require_relative 'fixtures/set_like'
|
2017-05-07 08:04:49 -04:00
|
|
|
require 'set'
|
|
|
|
|
|
|
|
describe "Set#proper_superset?" do
|
|
|
|
before :each do
|
|
|
|
@set = Set[1, 2, 3, 4]
|
|
|
|
end
|
|
|
|
|
|
|
|
it "returns true if passed a Set that self is a proper superset of" do
|
|
|
|
@set.proper_superset?(Set[]).should be_true
|
|
|
|
Set[1, 2, 3].proper_superset?(Set[]).should be_true
|
|
|
|
Set["a", :b, ?c].proper_superset?(Set[]).should be_true
|
|
|
|
|
|
|
|
@set.proper_superset?(Set[1, 2, 3]).should be_true
|
|
|
|
@set.proper_superset?(Set[1, 3]).should be_true
|
|
|
|
@set.proper_superset?(Set[1, 2]).should be_true
|
|
|
|
@set.proper_superset?(Set[1]).should be_true
|
|
|
|
|
|
|
|
@set.proper_superset?(Set[5]).should be_false
|
|
|
|
@set.proper_superset?(Set[1, 5]).should be_false
|
|
|
|
@set.proper_superset?(Set[nil]).should be_false
|
|
|
|
@set.proper_superset?(Set["test"]).should be_false
|
|
|
|
|
|
|
|
@set.proper_superset?(@set).should be_false
|
|
|
|
Set[].proper_superset?(Set[]).should be_false
|
|
|
|
end
|
|
|
|
|
|
|
|
it "raises an ArgumentError when passed a non-Set" do
|
2019-07-27 06:40:09 -04:00
|
|
|
-> { Set[].proper_superset?([]) }.should raise_error(ArgumentError)
|
|
|
|
-> { Set[].proper_superset?(1) }.should raise_error(ArgumentError)
|
|
|
|
-> { Set[].proper_superset?("test") }.should raise_error(ArgumentError)
|
|
|
|
-> { Set[].proper_superset?(Object.new) }.should raise_error(ArgumentError)
|
2017-05-07 08:04:49 -04:00
|
|
|
end
|
2019-01-20 15:38:57 -05:00
|
|
|
|
|
|
|
context "when comparing to a Set-like object" do
|
|
|
|
it "returns true if passed a Set-like object that self is a proper superset of" do
|
|
|
|
Set[1, 2, 3, 4].proper_superset?(SetSpecs::SetLike.new([1, 2, 3])).should be_true
|
|
|
|
end
|
|
|
|
end
|
2017-05-07 08:04:49 -04:00
|
|
|
end
|