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require File.expand_path('../../../../spec_helper', __FILE__)
require File.expand_path('../../fixtures/classes', __FILE__)
describe "Delegator when frozen" do
before :all do
@array = [42, :hello]
@delegate = DelegateSpecs::Delegator.new(@array)
@delegate.freeze
end
it "is still readable" do
@delegate.should == [42, :hello]
@delegate.include?("bar").should be_false
end
it "is frozen" do
@delegate.frozen?.should be_true
end
it "is not writeable" do
lambda{ @delegate[0] += 2 }.should raise_error( RuntimeError )
end
it "creates a frozen clone" do
@delegate.clone.frozen?.should be_true
end
it "creates an unfrozen dup" do
@delegate.dup.frozen?.should be_false
end
it "causes mutative calls to raise RuntimeError" do
lambda{ @delegate.__setobj__("hola!") }.should raise_error( RuntimeError )
end
it "returns false if only the delegated object is frozen" do
DelegateSpecs::Delegator.new([1,2,3].freeze).frozen?.should be_false
end
end
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