mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
35 lines
1.2 KiB
Ruby
35 lines
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
|