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Versions: 52
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
describe "ObjectSpace.each_object" do
it "calls the block once for each living, non-immediate object in the Ruby process" do
class ObjectSpaceSpecEachObject; end
new_obj = ObjectSpaceSpecEachObject.new
yields = 0
count = ObjectSpace.each_object(ObjectSpaceSpecEachObject) do |obj|
obj.should == new_obj
yields += 1
end
count.should == 1
yields.should == 1
# this is needed to prevent the new_obj from being GC'd too early
new_obj.should_not == nil
end
it "calls the block once for each class, module in the Ruby process" do
class ObjectSpaceSpecEachClass; end
module ObjectSpaceSpecEachModule; end
[ObjectSpaceSpecEachClass, ObjectSpaceSpecEachModule].each do |k|
yields = 0
got_it = false
count = ObjectSpace.each_object(k.class) do |obj|
got_it = true if obj == k
yields += 1
end
got_it.should == true
count.should == yields
end
end
ruby_version_is '1.8.7' do
it "returns an enumerator if not given a block" do
class ObjectSpaceSpecEachOtherObject; end
new_obj = ObjectSpaceSpecEachOtherObject.new
counter = ObjectSpace.each_object(ObjectSpaceSpecEachOtherObject)
counter.should be_an_instance_of(enumerator_class)
counter.each{}.should == 1
# this is needed to prevent the new_obj from being GC'd too early
new_obj.should_not == nil
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems