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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Struct" do
it "includes Enumerable" do
Struct.include?(Enumerable).should == true
end
end
describe "Struct anonymous class instance methods" do
it "includes Enumerable" do
StructClasses::Car.include?(Enumerable).should == true
end
it "reader method should be a synonym for []" do
klass = Struct.new(:clock, :radio)
alarm = klass.new(true)
alarm.clock.should == alarm[:clock]
alarm.radio.should == alarm['radio']
end
it "reader method should not interfere with undefined methods" do
car = StructClasses::Car.new('Ford', 'Ranger')
lambda { car.something_weird }.should raise_error(NoMethodError)
end
it "writer method be a synonym for []=" do
car = StructClasses::Car.new('Ford', 'Ranger')
car.model.should == 'Ranger'
car.model = 'F150'
car.model.should == 'F150'
car[:model].should == 'F150'
car['model'].should == 'F150'
car[1].should == 'F150'
end
end
describe "Struct subclasses" do
it "can be subclassed" do
compact = Class.new StructClasses::Car
compact.new.class.should == compact
end
end
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