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require File.expand_path('../../../../spec_helper', __FILE__)
require 'set'
describe "SortedSet#delete_if" do
before(:each) do
@set = SortedSet["one", "two", "three"]
end
ruby_bug "http://redmine.ruby-lang.org/projects/ruby-18/issues/show?id=115", "1.8.7.7" do
it "yields each Object in self in sorted order" do
ret = []
@set.delete_if { |x| ret << x }
ret.should == ["one", "two", "three"].sort
end
end
it "deletes every element from self for which the passed block returns true" do
@set.delete_if { |x| x.size == 3 }
@set.size.should eql(1)
@set.should_not include("one")
@set.should_not include("two")
@set.should include("three")
end
it "returns self" do
@set.delete_if { |x| x }.should equal(@set)
end
ruby_version_is "" ... "1.8.8" do
it "raises a LocalJumpError when passed no block" do
lambda { @set.delete_if }.should raise_error(LocalJumpError)
end
end
ruby_version_is "1.8.8" do
it "returns an Enumerator when passed no block" do
enum = @set.delete_if
enum.should be_an_instance_of(enumerator_class)
enum.each { |x| x.size == 3 }
@set.should_not include("one")
@set.should_not include("two")
@set.should include("three")
end
end
end
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